using System.Collections.Generic;
using BurnOutSharp.Matching;

namespace BurnOutSharp.ProtectionType
{
    public class ThreePLock : IContentCheck
    {
        /// <summary>
        /// Set of all ContentMatchSets for this protection
        /// </summary>
        private static readonly List<ContentMatchSet> contentMatchers = new List<ContentMatchSet>
        {
            new ContentMatchSet(new List<byte?[]>
            {
                // .ldr
                new byte?[] { 0x2E, 0x6C, 0x64, 0x72 },

                // .ldt
                new byte?[] { 0x2E, 0x6C, 0x64, 0x74 },
            }, "3PLock"),

            // This produced false positives in some DirectX 9.0c installer files
            // "Y" + (char)0xC3 + "U" + (char)0x8B + (char)0xEC + (char)0x83 + (char)0xEC + "0SVW"
            // new ContentMatchSet(new byte?[]
            // {
            //     0x59, 0xC3, 0x55, 0x8B, 0xEC, 0x83, 0xEC, 0x30,
            //     0x53, 0x56, 0x57
            // }, "3PLock"),
        };

        /// <inheritdoc/>
        public string CheckContents(string file, byte[] fileContent, bool includePosition = false)
        {
            return MatchUtil.GetFirstMatch(file, fileContent, contentMatchers, includePosition);
        }
    }
}