// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename       : MINIX.cs
// Author(s)      : Natalia Portillo <claunia@claunia.com>
//
// Component      : DiscImageChef unit testing.
//
// --[ License ] --------------------------------------------------------------
//
//     This program is free software: you can redistribute it and/or modify
//     it under the terms of the GNU General Public License as
//     published by the Free Software Foundation, either version 3 of the
//     License, or (at your option) any later version.
//
//     This program is distributed in the hope that it will be useful,
//     but WITHOUT ANY WARRANTY; without even the implied warranty of
//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//     GNU General Public License for more details.
//
//     You should have received a copy of the GNU General Public License
//     along with this program.  If not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2019 Natalia Portillo
// ****************************************************************************/

using System.Collections.Generic;
using System.IO;
using Aaru.CommonTypes;
using Aaru.CommonTypes.Interfaces;
using Aaru.DiscImages;
using Aaru.Filesystems;
using Aaru.Filters;
using NUnit.Framework;

namespace Aaru.Tests.Filesystems
{
    [TestFixture]
    public class MinixV1
    {
        readonly string[] testfiles =
        {
            "minix_3.1.2a_dsdd.img.lz", "minix_3.1.2a_dshd.img.lz", "minix_3.1.2a_mf2dd.img.lz",
            "minix_3.1.2a_mf2hd.img.lz"
        };

        readonly MediaType[] mediatypes =
        {
            MediaType.DOS_525_DS_DD_9, MediaType.DOS_525_HD, MediaType.DOS_35_DS_DD_9, MediaType.DOS_35_HD
        };

        readonly ulong[] sectors =
        {
            720, 2400, 1440, 2880
        };

        readonly uint[] sectorsize =
        {
            512, 512, 512, 512
        };

        readonly long[] clusters =
        {
            360, 1200, 720, 1440
        };

        readonly int[] clustersize =
        {
            1024, 1024, 1024, 1024
        };

        readonly string[] types =
        {
            "Minix 3 v1", "Minix 3 v1", "Minix 3 v1", "Minix 3 v1"
        };

        [Test]
        public void Test()
        {
            for(int i = 0; i < testfiles.Length; i++)
            {
                string  location = Path.Combine(Consts.TestFilesRoot, "filesystems", "minixv1", testfiles[i]);
                IFilter filter   = new LZip();
                filter.Open(location);
                IMediaImage image = new ZZZRawImage();
                Assert.AreEqual(true, image.Open(filter), testfiles[i]);
                Assert.AreEqual(mediatypes[i], image.Info.MediaType, testfiles[i]);
                Assert.AreEqual(sectors[i], image.Info.Sectors, testfiles[i]);
                Assert.AreEqual(sectorsize[i], image.Info.SectorSize, testfiles[i]);
                IFilesystem fs = new MinixFS();

                var wholePart = new Partition
                {
                    Name = "Whole device", Length = image.Info.Sectors,
                    Size = image.Info.Sectors * image.Info.SectorSize
                };

                Assert.AreEqual(true, fs.Identify(image, wholePart), testfiles[i]);
                fs.GetInformation(image, wholePart, out _, null);
                Assert.AreEqual(clusters[i], fs.XmlFsType.Clusters, testfiles[i]);
                Assert.AreEqual(clustersize[i], fs.XmlFsType.ClusterSize, testfiles[i]);
                Assert.AreEqual(types[i], fs.XmlFsType.Type, testfiles[i]);
            }
        }
    }

    [TestFixture]
    public class MinixV1Mbr
    {
        readonly string[] testfiles =
        {
            "linux.vdi.lz", "minix_3.1.2a.vdi.lz", "linux_4.19_minix1_flashdrive.vdi.lz"
        };

        readonly ulong[] sectors =
        {
            262144, 102400, 131072
        };

        readonly uint[] sectorsize =
        {
            512, 512, 512
        };

        readonly long[] clusters =
        {
            65535, 50399, 64512
        };

        readonly int[] clustersize =
        {
            1024, 1024, 1024
        };

        readonly string[] types =
        {
            "Minix v1", "Minix 3 v1", "Minix v1"
        };

        [Test]
        public void Test()
        {
            for(int i = 0; i < testfiles.Length; i++)
            {
                string  location = Path.Combine(Consts.TestFilesRoot, "filesystems", "minixv1_mbr", testfiles[i]);
                IFilter filter   = new LZip();
                filter.Open(location);
                IMediaImage image = new Vdi();
                Assert.AreEqual(true, image.Open(filter), testfiles[i]);
                Assert.AreEqual(sectors[i], image.Info.Sectors, testfiles[i]);
                Assert.AreEqual(sectorsize[i], image.Info.SectorSize, testfiles[i]);
                List<Partition> partitions = Core.Partitions.GetAll(image);
                IFilesystem     fs         = new MinixFS();
                int             part       = -1;

                for(int j = 0; j < partitions.Count; j++)
                    if(partitions[j].Type == "0x80" ||
                       partitions[j].Type == "0x81" ||
                       partitions[j].Type == "MINIX")
                    {
                        part = j;

                        break;
                    }

                Assert.AreNotEqual(-1, part, $"Partition not found on {testfiles[i]}");
                Assert.AreEqual(true, fs.Identify(image, partitions[part]), testfiles[i]);
                fs.GetInformation(image, partitions[part], out _, null);
                Assert.AreEqual(clusters[i], fs.XmlFsType.Clusters, testfiles[i]);
                Assert.AreEqual(clustersize[i], fs.XmlFsType.ClusterSize, testfiles[i]);
                Assert.AreEqual(types[i], fs.XmlFsType.Type, testfiles[i]);
            }
        }
    }

    [TestFixture]
    public class MinixV2
    {
        readonly string[] testfiles =
        {
            "minix_3.1.2a_dsdd.img.lz", "minix_3.1.2a_dshd.img.lz", "minix_3.1.2a_mf2dd.img.lz",
            "minix_3.1.2a_mf2hd.img.lz"
        };

        readonly MediaType[] mediatypes =
        {
            MediaType.DOS_525_DS_DD_9, MediaType.DOS_525_HD, MediaType.DOS_35_DS_DD_9, MediaType.DOS_35_HD
        };

        readonly ulong[] sectors =
        {
            720, 2400, 1440, 2880
        };

        readonly uint[] sectorsize =
        {
            512, 512, 512, 512
        };

        readonly long[] clusters =
        {
            360, 1200, 720, 1440
        };

        readonly int[] clustersize =
        {
            1024, 1024, 1024, 1024
        };

        readonly string[] types =
        {
            "Minix 3 v2", "Minix 3 v2", "Minix 3 v2", "Minix 3 v2"
        };

        [Test]
        public void Test()
        {
            for(int i = 0; i < testfiles.Length; i++)
            {
                string  location = Path.Combine(Consts.TestFilesRoot, "filesystems", "minixv2", testfiles[i]);
                IFilter filter   = new LZip();
                filter.Open(location);
                IMediaImage image = new ZZZRawImage();
                Assert.AreEqual(true, image.Open(filter), testfiles[i]);
                Assert.AreEqual(mediatypes[i], image.Info.MediaType, testfiles[i]);
                Assert.AreEqual(sectors[i], image.Info.Sectors, testfiles[i]);
                Assert.AreEqual(sectorsize[i], image.Info.SectorSize, testfiles[i]);
                IFilesystem fs = new MinixFS();

                var wholePart = new Partition
                {
                    Name = "Whole device", Length = image.Info.Sectors,
                    Size = image.Info.Sectors * image.Info.SectorSize
                };

                Assert.AreEqual(true, fs.Identify(image, wholePart), testfiles[i]);
                fs.GetInformation(image, wholePart, out _, null);
                Assert.AreEqual(clusters[i], fs.XmlFsType.Clusters, testfiles[i]);
                Assert.AreEqual(clustersize[i], fs.XmlFsType.ClusterSize, testfiles[i]);
                Assert.AreEqual(types[i], fs.XmlFsType.Type, testfiles[i]);
            }
        }
    }

    [TestFixture]
    public class MinixV2Mbr
    {
        readonly string[] testfiles =
        {
            "minix_3.1.2a.vdi.lz", "linux_4.19_minix2_flashdrive.vdi.lz"
        };

        readonly ulong[] sectors =
        {
            1024000, 1024000
        };

        readonly uint[] sectorsize =
        {
            512, 512
        };

        readonly long[] clusters =
        {
            511055, 510976
        };

        readonly int[] clustersize =
        {
            1024, 1024
        };

        readonly string[] types =
        {
            "Minix 3 v2", "Minix v2"
        };

        [Test]
        public void Test()
        {
            for(int i = 0; i < testfiles.Length; i++)
            {
                string  location = Path.Combine(Consts.TestFilesRoot, "filesystems", "minixv2_mbr", testfiles[i]);
                IFilter filter   = new LZip();
                filter.Open(location);
                IMediaImage image = new Vdi();
                Assert.AreEqual(true, image.Open(filter), testfiles[i]);
                Assert.AreEqual(sectors[i], image.Info.Sectors, testfiles[i]);
                Assert.AreEqual(sectorsize[i], image.Info.SectorSize, testfiles[i]);
                List<Partition> partitions = Core.Partitions.GetAll(image);
                IFilesystem     fs         = new MinixFS();
                int             part       = -1;

                for(int j = 0; j < partitions.Count; j++)
                    if(partitions[j].Type == "0x81" ||
                       partitions[j].Type == "MINIX")
                    {
                        part = j;

                        break;
                    }

                Assert.AreNotEqual(-1, part, $"Partition not found on {testfiles[i]}");
                Assert.AreEqual(true, fs.Identify(image, partitions[part]), testfiles[i]);
                fs.GetInformation(image, partitions[part], out _, null);
                Assert.AreEqual(clusters[i], fs.XmlFsType.Clusters, testfiles[i]);
                Assert.AreEqual(clustersize[i], fs.XmlFsType.ClusterSize, testfiles[i]);
                Assert.AreEqual(types[i], fs.XmlFsType.Type, testfiles[i]);
            }
        }
    }

    [TestFixture]
    public class MinixV3
    {
        readonly string[] testfiles =
        {
            "minix_3.1.2a_dsdd.img.lz", "minix_3.1.2a_dshd.img.lz", "minix_3.1.2a_mf2dd.img.lz",
            "minix_3.1.2a_mf2hd.img.lz"
        };

        readonly MediaType[] mediatypes =
        {
            MediaType.DOS_525_DS_DD_9, MediaType.DOS_525_HD, MediaType.DOS_35_DS_DD_9, MediaType.DOS_35_HD
        };

        readonly ulong[] sectors =
        {
            720, 2400, 1440, 2880
        };

        readonly uint[] sectorsize =
        {
            512, 512, 512, 512
        };

        readonly long[] clusters =
        {
            90, 300, 180, 360
        };

        readonly int[] clustersize =
        {
            4096, 4096, 4096, 4096
        };

        readonly string[] types =
        {
            "Minix v3", "Minix v3", "Minix v3", "Minix v3"
        };

        [Test]
        public void Test()
        {
            for(int i = 0; i < testfiles.Length; i++)
            {
                string  location = Path.Combine(Consts.TestFilesRoot, "filesystems", "minixv3", testfiles[i]);
                IFilter filter   = new LZip();
                filter.Open(location);
                IMediaImage image = new ZZZRawImage();
                Assert.AreEqual(true, image.Open(filter), testfiles[i]);
                Assert.AreEqual(mediatypes[i], image.Info.MediaType, testfiles[i]);
                Assert.AreEqual(sectors[i], image.Info.Sectors, testfiles[i]);
                Assert.AreEqual(sectorsize[i], image.Info.SectorSize, testfiles[i]);
                IFilesystem fs = new MinixFS();

                var wholePart = new Partition
                {
                    Name = "Whole device", Length = image.Info.Sectors,
                    Size = image.Info.Sectors * image.Info.SectorSize
                };

                Assert.AreEqual(true, fs.Identify(image, wholePart), testfiles[i]);
                fs.GetInformation(image, wholePart, out _, null);
                Assert.AreEqual(clusters[i], fs.XmlFsType.Clusters, testfiles[i]);
                Assert.AreEqual(clustersize[i], fs.XmlFsType.ClusterSize, testfiles[i]);
                Assert.AreEqual(types[i], fs.XmlFsType.Type, testfiles[i]);
            }
        }
    }

    [TestFixture]
    public class MinixV3Mbr
    {
        readonly string[] testfiles =
        {
            "minix_3.1.2a.vdi.lz", "linux_4.19_minix3_flashdrive.vdi.lz"
        };

        readonly ulong[] sectors =
        {
            4194304, 1024000
        };

        readonly uint[] sectorsize =
        {
            512, 512
        };

        readonly long[] clusters =
        {
            523151, 510976
        };

        readonly int[] clustersize =
        {
            4096, 1024
        };

        readonly string[] types =
        {
            "Minix v3", "Minix v3"
        };

        [Test]
        public void Test()
        {
            for(int i = 0; i < testfiles.Length; i++)
            {
                string  location = Path.Combine(Consts.TestFilesRoot, "filesystems", "minixv3_mbr", testfiles[i]);
                IFilter filter   = new LZip();
                filter.Open(location);
                IMediaImage image = new Vdi();
                Assert.AreEqual(true, image.Open(filter), testfiles[i]);
                Assert.AreEqual(sectors[i], image.Info.Sectors, testfiles[i]);
                Assert.AreEqual(sectorsize[i], image.Info.SectorSize, testfiles[i]);
                List<Partition> partitions = Core.Partitions.GetAll(image);
                IFilesystem     fs         = new MinixFS();
                int             part       = -1;

                for(int j = 0; j < partitions.Count; j++)
                    if(partitions[j].Type == "0x81" ||
                       partitions[j].Type == "MINIX")
                    {
                        part = j;

                        break;
                    }

                Assert.AreNotEqual(-1, part, $"Partition not found on {testfiles[i]}");
                Assert.AreEqual(true, fs.Identify(image, partitions[part]), testfiles[i]);
                fs.GetInformation(image, partitions[part], out _, null);
                Assert.AreEqual(clusters[i], fs.XmlFsType.Clusters, testfiles[i]);
                Assert.AreEqual(clustersize[i], fs.XmlFsType.ClusterSize, testfiles[i]);
                Assert.AreEqual(types[i], fs.XmlFsType.Type, testfiles[i]);
            }
        }
    }
}