using System.Collections.Generic;

using SabreTools.Core;
using SabreTools.DatItems;

namespace SabreTools.DatTools
{
    /// <summary>
    /// Replace fields in DatItems
    /// </summary>
    public static class Replacer
    {
        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="datItem">DatItem to replace fields in</param>
        /// <param name="repDatItem">DatItem to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        public static void ReplaceFields(DatItem datItem, DatItem repDatItem, List<DatItemField> datItemFields)
        {
            if (datItem == null || repDatItem == null || datItemFields == null)
                return;

            #region Common

            if (datItem.ItemType != repDatItem.ItemType)
                return;

            if (datItemFields.Contains(DatItemField.Name))
                datItem.SetName(repDatItem.GetName());

            #endregion

            #region Item-Specific

            if (datItem is Adjuster) ReplaceFields(datItem as Adjuster, repDatItem as Adjuster, datItemFields);
            else if (datItem is Analog) ReplaceFields(datItem as Analog, repDatItem as Analog, datItemFields);
            else if (datItem is BiosSet) ReplaceFields(datItem as BiosSet, repDatItem as BiosSet, datItemFields);
            else if (datItem is Chip) ReplaceFields(datItem as Chip, repDatItem as Chip, datItemFields);
            else if (datItem is Condition) ReplaceFields(datItem as Condition, repDatItem as Condition, datItemFields);
            else if (datItem is Configuration) ReplaceFields(datItem as Configuration, repDatItem as Configuration, datItemFields);
            else if (datItem is Control) ReplaceFields(datItem as Control, repDatItem as Control, datItemFields);
            else if (datItem is DataArea) ReplaceFields(datItem as DataArea, repDatItem as DataArea, datItemFields);
            else if (datItem is Device) ReplaceFields(datItem as Device, repDatItem as Device, datItemFields);
            else if (datItem is DipSwitch) ReplaceFields(datItem as DipSwitch, repDatItem as DipSwitch, datItemFields);
            else if (datItem is Disk) ReplaceFields(datItem as Disk, repDatItem as Disk, datItemFields);
            else if (datItem is DiskArea) ReplaceFields(datItem as DiskArea, repDatItem as DiskArea, datItemFields);
            else if (datItem is Display) ReplaceFields(datItem as Display, repDatItem as Display, datItemFields);
            else if (datItem is Driver) ReplaceFields(datItem as Driver, repDatItem as Driver, datItemFields);
            else if (datItem is Extension) ReplaceFields(datItem as Extension, repDatItem as Extension, datItemFields);
            else if (datItem is Feature) ReplaceFields(datItem as Feature, repDatItem as Feature, datItemFields);
            else if (datItem is Info) ReplaceFields(datItem as Info, repDatItem as Info, datItemFields);
            else if (datItem is Input) ReplaceFields(datItem as Input, repDatItem as Input, datItemFields);
            else if (datItem is Instance) ReplaceFields(datItem as Instance, repDatItem as Instance, datItemFields);
            else if (datItem is Location) ReplaceFields(datItem as Location, repDatItem as Location, datItemFields);
            else if (datItem is Media) ReplaceFields(datItem as Media, repDatItem as Media, datItemFields);
            else if (datItem is Part) ReplaceFields(datItem as Part, repDatItem as Part, datItemFields);
            else if (datItem is PartFeature) ReplaceFields(datItem as PartFeature, repDatItem as PartFeature, datItemFields);
            else if (datItem is Port) ReplaceFields(datItem as Port, repDatItem as Port, datItemFields);
            else if (datItem is RamOption) ReplaceFields(datItem as RamOption, repDatItem as RamOption, datItemFields);
            else if (datItem is Release) ReplaceFields(datItem as Release, repDatItem as Release, datItemFields);
            else if (datItem is Rom) ReplaceFields(datItem as Rom, repDatItem as Rom, datItemFields);
            else if (datItem is Setting) ReplaceFields(datItem as Setting, repDatItem as Setting, datItemFields);
            else if (datItem is SharedFeature) ReplaceFields(datItem as SharedFeature, repDatItem as SharedFeature, datItemFields);
            else if (datItem is Slot) ReplaceFields(datItem as Slot, repDatItem as Slot, datItemFields);
            else if (datItem is SlotOption) ReplaceFields(datItem as SlotOption, repDatItem as SlotOption, datItemFields);
            else if (datItem is SoftwareList) ReplaceFields(datItem as SoftwareList, repDatItem as SoftwareList, datItemFields);
            else if (datItem is Sound) ReplaceFields(datItem as Sound, repDatItem as Sound, datItemFields);

            #endregion
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="machine">Machine to replace fields in</param>
        /// <param name="repMachine">Machine to pull new information from</param>
        /// <param name="machineFields">List of fields representing what should be updated</param>
        /// <param name="onlySame">True if descriptions should only be replaced if the game name is the same, false otherwise</param>
        public static void ReplaceFields(Machine machine, Machine repMachine, List<MachineField> machineFields, bool onlySame)
        {
            #region Common

            if (machineFields.Contains(MachineField.Name))
                machine.Name = repMachine.Name;

            if (machineFields.Contains(MachineField.Comment))
                machine.Comment = repMachine.Comment;

            if (machineFields.Contains(MachineField.Description))
            {
                if (!onlySame || (onlySame && machine.Name == machine.Description))
                    machine.Description = repMachine.Description;
            }

            if (machineFields.Contains(MachineField.Year))
                machine.Year = repMachine.Year;

            if (machineFields.Contains(MachineField.Manufacturer))
                machine.Manufacturer = repMachine.Manufacturer;

            if (machineFields.Contains(MachineField.Publisher))
                machine.Publisher = repMachine.Publisher;

            if (machineFields.Contains(MachineField.Category))
                machine.Category = repMachine.Category;

            if (machineFields.Contains(MachineField.RomOf))
                machine.RomOf = repMachine.RomOf;

            if (machineFields.Contains(MachineField.CloneOf))
                machine.CloneOf = repMachine.CloneOf;

            if (machineFields.Contains(MachineField.SampleOf))
                machine.SampleOf = repMachine.SampleOf;

            if (machineFields.Contains(MachineField.Type))
                machine.MachineType = repMachine.MachineType;

            #endregion

            #region AttractMode

            if (machineFields.Contains(MachineField.Players))
                machine.Players = repMachine.Players;

            if (machineFields.Contains(MachineField.Rotation))
                machine.Rotation = repMachine.Rotation;

            if (machineFields.Contains(MachineField.Control))
                machine.Control = repMachine.Control;

            if (machineFields.Contains(MachineField.Status))
                machine.Status = repMachine.Status;

            if (machineFields.Contains(MachineField.DisplayCount))
                machine.DisplayCount = repMachine.DisplayCount;

            if (machineFields.Contains(MachineField.DisplayType))
                machine.DisplayType = repMachine.DisplayType;

            if (machineFields.Contains(MachineField.Buttons))
                machine.Buttons = repMachine.Buttons;

            #endregion

            #region ListXML

            if (machineFields.Contains(MachineField.History))
                machine.History = repMachine.History;

            if (machineFields.Contains(MachineField.SourceFile))
                machine.SourceFile = repMachine.SourceFile;

            if (machineFields.Contains(MachineField.Runnable))
                machine.Runnable = repMachine.Runnable;

            #endregion

            #region Logiqx

            if (machineFields.Contains(MachineField.Board))
                machine.Board = repMachine.Board;

            if (machineFields.Contains(MachineField.RebuildTo))
                machine.RebuildTo = repMachine.RebuildTo;

            #endregion

            #region Logiqx EmuArc

            if (machineFields.Contains(MachineField.TitleID))
                machine.TitleID = repMachine.TitleID;

            if (machineFields.Contains(MachineField.Developer))
                machine.Developer = repMachine.Developer;

            if (machineFields.Contains(MachineField.Genre))
                machine.Genre = repMachine.Genre;

            if (machineFields.Contains(MachineField.Subgenre))
                machine.Subgenre = repMachine.Subgenre;

            if (machineFields.Contains(MachineField.Ratings))
                machine.Ratings = repMachine.Ratings;

            if (machineFields.Contains(MachineField.Score))
                machine.Score = repMachine.Score;

            if (machineFields.Contains(MachineField.Enabled))
                machine.Enabled = repMachine.Enabled;

            if (machineFields.Contains(MachineField.CRC))
                machine.Crc = repMachine.Crc;

            if (machineFields.Contains(MachineField.RelatedTo))
                machine.RelatedTo = repMachine.RelatedTo;

            #endregion

            #region OpenMSX

            if (machineFields.Contains(MachineField.GenMSXID))
                machine.GenMSXID = repMachine.GenMSXID;

            if (machineFields.Contains(MachineField.System))
                machine.System = repMachine.System;

            if (machineFields.Contains(MachineField.Country))
                machine.Country = repMachine.Country;

            #endregion

            #region SoftwareList

            if (machineFields.Contains(MachineField.Supported))
                machine.Supported = repMachine.Supported;

            #endregion
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="adjuster">Adjuster to remove replace fields in</param>
        /// <param name="newItem">Adjuster to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(Adjuster adjuster, Adjuster newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.Default))
                adjuster.Default = newItem.Default;

            // Condition_* doesn't make sense here
            // since not every condition under the other item
            // can replace every condition under this item
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="analog">Analog to remove replace fields in</param>
        /// <param name="newItem">Analog to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(Analog analog, Analog newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.Analog_Mask))
                analog.Mask = newItem.Mask;
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="biosSet">BiosSet to remove replace fields in</param>
        /// <param name="newItem">BiosSet to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(BiosSet biosSet, BiosSet newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.Description))
                biosSet.Description = newItem.Description;

            if (datItemFields.Contains(DatItemField.Default))
                biosSet.Default = newItem.Default;
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="chip">Chip to remove replace fields in</param>
        /// <param name="newItem">Chip to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(Chip chip, Chip newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.Tag))
                chip.Tag = newItem.Tag;

            if (datItemFields.Contains(DatItemField.ChipType))
                chip.ChipType = newItem.ChipType;

            if (datItemFields.Contains(DatItemField.Clock))
                chip.Clock = newItem.Clock;
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="condition">Condition to remove replace fields in</param>
        /// <param name="newItem">Condition to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(Condition condition, Condition newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.Tag))
                condition.Tag = newItem.Tag;
            else if (datItemFields.Contains(DatItemField.Condition_Tag))
                condition.Tag = newItem.Tag;

            if (datItemFields.Contains(DatItemField.Mask))
                condition.Mask = newItem.Mask;
            else if (datItemFields.Contains(DatItemField.Condition_Mask))
                condition.Mask = newItem.Mask;

            if (datItemFields.Contains(DatItemField.Relation))
                condition.Relation = newItem.Relation;
            else if (datItemFields.Contains(DatItemField.Condition_Relation))
                condition.Relation = newItem.Relation;

            if (datItemFields.Contains(DatItemField.Value))
                condition.Value = newItem.Value;
            else if (datItemFields.Contains(DatItemField.Condition_Value))
                condition.Value = newItem.Value;
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="configuration">Configuration to remove replace fields in</param>
        /// <param name="newItem">Configuration to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(Configuration configuration, Configuration newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.Tag))
                configuration.Tag = newItem.Tag;

            if (datItemFields.Contains(DatItemField.Mask))
                configuration.Mask = newItem.Mask;

            // Condition_* doesn't make sense here
            // since not every condition under the other item
            // can replace every condition under this item

            // Location_* doesn't make sense here
            // since not every location under the other item
            // can replace every location under this item

            // Setting_* doesn't make sense here
            // since not every setting under the other item
            // can replace every setting under this item
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="control">Control to remove replace fields in</param>
        /// <param name="newItem">Control to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(Control control, Control newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.Control_Type))
                control.ControlType = newItem.ControlType;

            if (datItemFields.Contains(DatItemField.Control_Player))
                control.Player = newItem.Player;

            if (datItemFields.Contains(DatItemField.Control_Buttons))
                control.Buttons = newItem.Buttons;

            if (datItemFields.Contains(DatItemField.Control_RequiredButtons))
                control.RequiredButtons = newItem.RequiredButtons;

            if (datItemFields.Contains(DatItemField.Control_Minimum))
                control.Minimum = newItem.Minimum;

            if (datItemFields.Contains(DatItemField.Control_Maximum))
                control.Maximum = newItem.Maximum;

            if (datItemFields.Contains(DatItemField.Control_Sensitivity))
                control.Sensitivity = newItem.Sensitivity;

            if (datItemFields.Contains(DatItemField.Control_KeyDelta))
                control.KeyDelta = newItem.KeyDelta;

            if (datItemFields.Contains(DatItemField.Control_Reverse))
                control.Reverse = newItem.Reverse;

            if (datItemFields.Contains(DatItemField.Control_Ways))
                control.Ways = newItem.Ways;

            if (datItemFields.Contains(DatItemField.Control_Ways2))
                control.Ways2 = newItem.Ways2;

            if (datItemFields.Contains(DatItemField.Control_Ways3))
                control.Ways3 = newItem.Ways3;
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="dataArea">DataArea to remove replace fields in</param>
        /// <param name="newItem">DataArea to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(DataArea dataArea, DataArea newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.AreaName))
                dataArea.Name = newItem.Name;

            if (datItemFields.Contains(DatItemField.AreaSize))
                dataArea.Size = newItem.Size;

            if (datItemFields.Contains(DatItemField.AreaWidth))
                dataArea.Width = newItem.Width;

            if (datItemFields.Contains(DatItemField.AreaEndianness))
                dataArea.Endianness = newItem.Endianness;
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="device">Device to remove replace fields in</param>
        /// <param name="newItem">Device to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(Device device, Device newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.DeviceType))
                device.DeviceType = newItem.DeviceType;

            if (datItemFields.Contains(DatItemField.Tag))
                device.Tag = newItem.Tag;

            if (datItemFields.Contains(DatItemField.FixedImage))
                device.FixedImage = newItem.FixedImage;

            if (datItemFields.Contains(DatItemField.Mandatory))
                device.Mandatory = newItem.Mandatory;

            if (datItemFields.Contains(DatItemField.Interface))
                device.Interface = newItem.Interface;

            // Instance_* doesn't make sense here
            // since not every instance under the other item
            // can replace every instance under this item

            // Extension_* doesn't make sense here
            // since not every extension under the other item
            // can replace every extension under this item
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="dipSwitch">DipSwitch to remove replace fields in</param>
        /// <param name="newItem">DipSwitch to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(DipSwitch dipSwitch, DipSwitch newItem, List<DatItemField> datItemFields)
        {
            #region Common

            if (datItemFields.Contains(DatItemField.Tag))
                dipSwitch.Tag = newItem.Tag;

            if (datItemFields.Contains(DatItemField.Mask))
                dipSwitch.Mask = newItem.Mask;

            // Condition_* doesn't make sense here
            // since not every condition under the other item
            // can replace every condition under this item

            // Location_* doesn't make sense here
            // since not every location under the other item
            // can replace every location under this item

            // Setting_* doesn't make sense here
            // since not every value under the other item
            // can replace every value under this item

            #endregion

            #region SoftwareList

            if (dipSwitch.PartSpecified && newItem.PartSpecified)
                ReplaceFields(dipSwitch.Part, newItem.Part, datItemFields);

            #endregion
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="disk">Disk to remove replace fields in</param>
        /// <param name="newItem">Disk to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(Disk disk, Disk newItem, List<DatItemField> datItemFields)
        {
            #region Common

            if (datItemFields.Contains(DatItemField.MD5))
            {
                if (string.IsNullOrEmpty(disk.MD5) && !string.IsNullOrEmpty(newItem.MD5))
                    disk.MD5 = newItem.MD5;
            }

            if (datItemFields.Contains(DatItemField.SHA1))
            {
                if (string.IsNullOrEmpty(disk.SHA1) && !string.IsNullOrEmpty(newItem.SHA1))
                    disk.SHA1 = newItem.SHA1;
            }

            if (datItemFields.Contains(DatItemField.Merge))
                disk.MergeTag = newItem.MergeTag;

            if (datItemFields.Contains(DatItemField.Region))
                disk.Region = newItem.Region;

            if (datItemFields.Contains(DatItemField.Index))
                disk.Index = newItem.Index;

            if (datItemFields.Contains(DatItemField.Writable))
                disk.Writable = newItem.Writable;

            if (datItemFields.Contains(DatItemField.Status))
                disk.ItemStatus = newItem.ItemStatus;

            if (datItemFields.Contains(DatItemField.Optional))
                disk.Optional = newItem.Optional;

            #endregion

            #region SoftwareList

            if (disk.DiskAreaSpecified && newItem.DiskAreaSpecified)
                ReplaceFields(disk.DiskArea, newItem.DiskArea, datItemFields);

            if (disk.PartSpecified && newItem.PartSpecified)
                ReplaceFields(disk.Part, newItem.Part, datItemFields);

            #endregion
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="diskArea">DiskArea to remove replace fields in</param>
        /// <param name="newItem">DiskArea to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(DiskArea diskArea, DiskArea newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.AreaName))
                diskArea.Name = newItem.Name;
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="display">Display to remove replace fields in</param>
        /// <param name="newItem">Display to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(Display display, Display newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.Tag))
                display.Tag = newItem.Tag;

            if (datItemFields.Contains(DatItemField.DisplayType))
                display.DisplayType = newItem.DisplayType;

            if (datItemFields.Contains(DatItemField.Rotate))
                display.Rotate = newItem.Rotate;

            if (datItemFields.Contains(DatItemField.FlipX))
                display.FlipX = newItem.FlipX;

            if (datItemFields.Contains(DatItemField.Width))
                display.Width = newItem.Width;

            if (datItemFields.Contains(DatItemField.Height))
                display.Height = newItem.Height;

            if (datItemFields.Contains(DatItemField.Refresh))
                display.Refresh = newItem.Refresh;

            if (datItemFields.Contains(DatItemField.PixClock))
                display.PixClock = newItem.PixClock;

            if (datItemFields.Contains(DatItemField.HTotal))
                display.HTotal = newItem.HTotal;

            if (datItemFields.Contains(DatItemField.HBEnd))
                display.HBEnd = newItem.HBEnd;

            if (datItemFields.Contains(DatItemField.HBStart))
                display.HBStart = newItem.HBStart;

            if (datItemFields.Contains(DatItemField.VTotal))
                display.VTotal = newItem.VTotal;

            if (datItemFields.Contains(DatItemField.VBEnd))
                display.VBEnd = newItem.VBEnd;

            if (datItemFields.Contains(DatItemField.VBStart))
                display.VBStart = newItem.VBStart;
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="driver">Driver to remove replace fields in</param>
        /// <param name="newItem">Driver to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(Driver driver, Driver newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.SupportStatus))
                driver.Status = newItem.Status;

            if (datItemFields.Contains(DatItemField.EmulationStatus))
                driver.Emulation = newItem.Emulation;

            if (datItemFields.Contains(DatItemField.CocktailStatus))
                driver.Cocktail = newItem.Cocktail;

            if (datItemFields.Contains(DatItemField.SaveStateStatus))
                driver.SaveState = newItem.SaveState;
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="extension">Extension to remove replace fields in</param>
        /// <param name="newItem">Extension to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(Extension extension, Extension newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.Extension_Name))
                extension.Name = newItem.Name;
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="feature">Feature to remove replace fields in</param>
        /// <param name="newItem">Feature to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(Feature feature, Feature newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.FeatureType))
                feature.Type = newItem.Type;

            if (datItemFields.Contains(DatItemField.FeatureStatus))
                feature.Status = newItem.Status;

            if (datItemFields.Contains(DatItemField.FeatureOverall))
                feature.Overall = newItem.Overall;
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="info">Info to remove replace fields in</param>
        /// <param name="newItem">Info to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(Info info, Info newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.Value))
                info.Value = newItem.Value;
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="input">Input to remove replace fields in</param>
        /// <param name="newItem">Input to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(Input input, Input newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.Service))
                input.Service = newItem.Service;

            if (datItemFields.Contains(DatItemField.Tilt))
                input.Tilt = newItem.Tilt;

            if (datItemFields.Contains(DatItemField.Players))
                input.Players = newItem.Players;

            if (datItemFields.Contains(DatItemField.Coins))
                input.Coins = newItem.Coins;

            // Control_* doesn't make sense here
            // since not every control under the other item
            // can replace every control under this item
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="instance">Instance to remove replace fields in</param>
        /// <param name="newItem">Instance to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(Instance instance, Instance newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.Instance_Name))
                instance.Name = newItem.Name;

            if (datItemFields.Contains(DatItemField.Instance_BriefName))
                instance.BriefName = newItem.BriefName;
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="location">Location to remove replace fields in</param>
        /// <param name="newItem">Location to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(Location location, Location newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.Location_Name))
                location.Name = newItem.Name;

            if (datItemFields.Contains(DatItemField.Location_Number))
                location.Number = newItem.Number;

            if (datItemFields.Contains(DatItemField.Location_Inverted))
                location.Inverted = newItem.Inverted;
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="media">Media to remove replace fields in</param>
        /// <param name="newItem">Media to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(Media media, Media newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.MD5))
            {
                if (string.IsNullOrEmpty(media.MD5) && !string.IsNullOrEmpty(newItem.MD5))
                    media.MD5 = newItem.MD5;
            }

            if (datItemFields.Contains(DatItemField.SHA1))
            {
                if (string.IsNullOrEmpty(media.SHA1) && !string.IsNullOrEmpty(newItem.SHA1))
                    media.SHA1 = newItem.SHA1;
            }

            if (datItemFields.Contains(DatItemField.SHA256))
            {
                if (string.IsNullOrEmpty(media.SHA256) && !string.IsNullOrEmpty(newItem.SHA256))
                    media.SHA256 = newItem.SHA256;
            }

            if (datItemFields.Contains(DatItemField.SpamSum))
            {
                if (string.IsNullOrEmpty(media.SpamSum) && !string.IsNullOrEmpty(newItem.SpamSum))
                    media.SpamSum = newItem.SpamSum;
            }
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="part">Part to remove replace fields in</param>
        /// <param name="newItem">Part to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(Part part, Part newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.Part_Name))
                part.Name = newItem.Name;

            if (datItemFields.Contains(DatItemField.Part_Interface))
                part.Interface = newItem.Interface;

            // Part_Feature_* doesn't make sense here
            // since not every part feature under the other item
            // can replace every part feature under this item
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="partFeature">PartFeature to remove replace fields in</param>
        /// <param name="newItem">PartFeature to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(PartFeature partFeature, PartFeature newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.Part_Feature_Name))
                partFeature.Name = newItem.Name;

            if (datItemFields.Contains(DatItemField.Part_Feature_Value))
                partFeature.Value = newItem.Value;
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="port">Port to remove replace fields in</param>
        /// <param name="newItem">Port to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(Port port, Port newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.Tag))
                port.Tag = newItem.Tag;

            // Analog_* doesn't make sense here
            // since not every analog under the other item
            // can replace every analog under this item
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="ramOption">RamOption to remove replace fields in</param>
        /// <param name="newItem">RamOption to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(RamOption ramOption, RamOption newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.Default))
                ramOption.Default = newItem.Default;

            if (datItemFields.Contains(DatItemField.Content))
                ramOption.Content = newItem.Content;
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="release">Release to remove replace fields in</param>
        /// <param name="newItem">Release to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(Release release, Release newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.Region))
                release.Region = newItem.Region;

            if (datItemFields.Contains(DatItemField.Language))
                release.Language = newItem.Language;

            if (datItemFields.Contains(DatItemField.Date))
                release.Date = newItem.Date;

            if (datItemFields.Contains(DatItemField.Default))
                release.Default = newItem.Default;
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="rom">Rom to remove replace fields in</param>
        /// <param name="newItem">Rom to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(Rom rom, Rom newItem, List<DatItemField> datItemFields)
        {
            #region Common

            if (datItemFields.Contains(DatItemField.Bios))
                rom.Bios = newItem.Bios;

            if (datItemFields.Contains(DatItemField.Size))
                rom.Size = newItem.Size;

            if (datItemFields.Contains(DatItemField.CRC))
            {
                if (string.IsNullOrEmpty(rom.CRC) && !string.IsNullOrEmpty(newItem.CRC))
                    rom.CRC = newItem.CRC;
            }

            if (datItemFields.Contains(DatItemField.MD5))
            {
                if (string.IsNullOrEmpty(rom.MD5) && !string.IsNullOrEmpty(newItem.MD5))
                    rom.MD5 = newItem.MD5;
            }

            if (datItemFields.Contains(DatItemField.SHA1))
            {
                if (string.IsNullOrEmpty(rom.SHA1) && !string.IsNullOrEmpty(newItem.SHA1))
                    rom.SHA1 = newItem.SHA1;
            }

            if (datItemFields.Contains(DatItemField.SHA256))
            {
                if (string.IsNullOrEmpty(rom.SHA256) && !string.IsNullOrEmpty(newItem.SHA256))
                    rom.SHA256 = newItem.SHA256;
            }

            if (datItemFields.Contains(DatItemField.SHA384))
            {
                if (string.IsNullOrEmpty(rom.SHA384) && !string.IsNullOrEmpty(newItem.SHA384))
                    rom.SHA384 = newItem.SHA384;
            }

            if (datItemFields.Contains(DatItemField.SHA512))
            {
                if (string.IsNullOrEmpty(rom.SHA512) && !string.IsNullOrEmpty(newItem.SHA512))
                    rom.SHA512 = newItem.SHA512;
            }

            if (datItemFields.Contains(DatItemField.SpamSum))
            {
                if (string.IsNullOrEmpty(rom.SpamSum) && !string.IsNullOrEmpty(newItem.SpamSum))
                    rom.SpamSum = newItem.SpamSum;
            }

            if (datItemFields.Contains(DatItemField.Merge))
                rom.MergeTag = newItem.MergeTag;

            if (datItemFields.Contains(DatItemField.Region))
                rom.Region = newItem.Region;

            if (datItemFields.Contains(DatItemField.Offset))
                rom.Offset = newItem.Offset;

            if (datItemFields.Contains(DatItemField.Date))
                rom.Date = newItem.Date;

            if (datItemFields.Contains(DatItemField.Status))
                rom.ItemStatus = newItem.ItemStatus;

            if (datItemFields.Contains(DatItemField.Optional))
                rom.Optional = newItem.Optional;

            if (datItemFields.Contains(DatItemField.Inverted))
                rom.Inverted = newItem.Inverted;

            #endregion

            #region AttractMode

            if (datItemFields.Contains(DatItemField.AltName))
                rom.AltName = newItem.AltName;

            if (datItemFields.Contains(DatItemField.AltTitle))
                rom.AltTitle = newItem.AltTitle;

            #endregion

            #region OpenMSX

            if (datItemFields.Contains(DatItemField.Original))
                rom.Original = newItem.Original;

            if (datItemFields.Contains(DatItemField.OpenMSXSubType))
                rom.OpenMSXSubType = newItem.OpenMSXSubType;

            if (datItemFields.Contains(DatItemField.OpenMSXType))
                rom.OpenMSXType = newItem.OpenMSXType;

            if (datItemFields.Contains(DatItemField.Remark))
                rom.Remark = newItem.Remark;

            if (datItemFields.Contains(DatItemField.Boot))
                rom.Boot = newItem.Boot;

            #endregion

            #region SoftwareList

            if (datItemFields.Contains(DatItemField.LoadFlag))
                rom.LoadFlag = newItem.LoadFlag;

            if (datItemFields.Contains(DatItemField.Value))
                rom.Value = newItem.Value;

            if (rom.DataAreaSpecified && newItem.DataAreaSpecified)
                ReplaceFields(rom.DataArea, newItem.DataArea, datItemFields);

            if (rom.PartSpecified && newItem.PartSpecified)
                ReplaceFields(rom.Part, newItem.Part, datItemFields);

            #endregion
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="setting">Setting to remove replace fields in</param>
        /// <param name="newItem">Setting to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(Setting setting, Setting newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.Setting_Name))
                setting.Name = newItem.Name;

            if (datItemFields.Contains(DatItemField.Setting_Value))
                setting.Value = newItem.Value;

            if (datItemFields.Contains(DatItemField.Setting_Default))
                setting.Default = newItem.Default;

            // Condition_* doesn't make sense here
            // since not every condition under the other item
            // can replace every condition under this item
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="sharedFeature">SharedFeature to remove replace fields in</param>
        /// <param name="newItem">SharedFeature to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(SharedFeature sharedFeature, SharedFeature newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.Value))
                sharedFeature.Value = newItem.Value;
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="slot">Slot to remove replace fields in</param>
        /// <param name="newItem">Slot to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(Slot slot, Slot newItem, List<DatItemField> datItemFields)
        {
            // SlotOption_* doesn't make sense here
            // since not every slot option under the other item
            // can replace every slot option under this item
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="slotOption">SlotOption to remove replace fields in</param>
        /// <param name="newItem">SlotOption to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(SlotOption slotOption, SlotOption newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.SlotOption_Name))
                slotOption.Name = newItem.Name;

            if (datItemFields.Contains(DatItemField.SlotOption_DeviceName))
                slotOption.DeviceName = newItem.DeviceName;

            if (datItemFields.Contains(DatItemField.SlotOption_Default))
                slotOption.Default = newItem.Default;
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="softwareList">SoftwareList to remove replace fields in</param>
        /// <param name="newItem">SoftwareList to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(SoftwareList softwareList, SoftwareList newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.SoftwareListStatus))
                softwareList.Status = newItem.Status;

            if (datItemFields.Contains(DatItemField.Filter))
                softwareList.Filter = newItem.Filter;
        }

        /// <summary>
        /// Replace fields with given values
        /// </summary>
        /// <param name="sound">Sound to remove replace fields in</param>
        /// <param name="newItem">Sound to pull new information from</param>
        /// <param name="datItemFields">List of fields representing what should be updated</param>
        private static void ReplaceFields(Sound sound, Sound newItem, List<DatItemField> datItemFields)
        {
            if (datItemFields.Contains(DatItemField.Channels))
                sound.Channels = newItem.Channels;
        }
    }
}