using System;
using System.Collections.Generic;

using System.Text;
using System.Threading.Tasks;
using TechnologyAssembler.Core.IO;

namespace HashCalculator.GUI
{
    internal enum InputEntryType
    {
        Text,
        BigFile,
        ManifestFile,
        XmlFile,
        BinaryFile,
        Path,
    }

    internal sealed class InputEntry
    {
        public static IReadOnlyDictionary<InputEntryType, string> Descriptions = new Dictionary<InputEntryType, string> 
        {
            { InputEntryType.BigFile, "可以尝试读取这个 big 文件里的 manifest 文件" },
            { InputEntryType.BinaryFile, "可以计算这个文件的哈希值" },
            { InputEntryType.ManifestFile, "可以尝试读取这个 manifest 文件，显示各个素材的哈希值" },
            { InputEntryType.XmlFile, "可以尝试读取这个XML，显示 XML 里定义的各个素材的哈希值" },
            { InputEntryType.Path, string.Empty },
        };

        public InputEntryType Type { get; }
        public string Value { get; }
        public string Text { get; }
        public string Details
        {
            get 
            {
                if(Type == InputEntryType.Text)
                {
                    var hash = SageHash.CalculateLowercaseHash(Value);
                    var binaryHash = SageHash.CalculateBinaryHash(Value);
                    return hash == binaryHash 
                        ? $"这段文字的哈希值：{hash:x8} ({hash})"
                        : $"这段文字的哈希值：{hash:x8}；大小写敏感哈希值 {binaryHash:x8}";
                }
                return Descriptions[Type];
            }
        }
        public bool IsValid => Type != InputEntryType.Text && Type != InputEntryType.Path;

        public InputEntry(InputEntryType type, string text, string value)
        {
            Type = type;
            Text = text;
            Value = value;
        }

        public override string ToString()
        {
            return Text;
        }
    }
}