using Elisa.Common.Data.Tables;
using Serilog;
using System.Collections;
using System.Reflection;
using System.Text.Json;

namespace Elisa.Common.Data;

public enum LoadDataType
{
    CatchData,
    STC,
    Text
}

[AttributeUsage(AttributeTargets.Property)]
public class LoadDataAttribute(string fileName, LoadDataType dataType) : Attribute
{
    public LoadDataType DataType = dataType;
    public string FileName = fileName;
}

public static class Table
{
    #region CatchData

    [LoadData("gun_exp_info.json", LoadDataType.CatchData)]
    public static List<GunExpInfo> gun_exp_info { get; private set; } = null!;

    #endregion

    #region STC

    [LoadData("daily.json", LoadDataType.STC)]
    public static List<Daily> daily { get; private set; } = null!;

    [LoadData("equip.json", LoadDataType.STC)]
    public static List<Equip> equip { get; private set; } = null!;

    [LoadData("fairy.json", LoadDataType.STC)]
    public static List<Fairy> fairy { get; private set; } = null!;

    [LoadData("furniture.json", LoadDataType.STC)]
    public static List<Furniture> furniture { get; private set; } = null!;

    [LoadData("gift_item.json", LoadDataType.STC)]
    public static List<GiftItem> gift_item { get; private set; } = null!;

    [LoadData("gun.json", LoadDataType.STC)]
    public static List<Gun> gun { get; private set; } = null!;

    [LoadData("item.json", LoadDataType.STC)]
    public static List<Item> item { get; private set; } = null!;

    [LoadData("mission.json", LoadDataType.STC)]
    public static List<Mission> mission { get; private set; } = null!;

    [LoadData("present.json", LoadDataType.STC)]
    public static List<Present> present { get; private set; } = null!;

    [LoadData("prize.json", LoadDataType.STC)]
    public static List<Prize> prize { get; private set; } = null!;

    [LoadData("sangvis.json", LoadDataType.STC)]
    public static List<Sangvis> sangvis { get; private set; } = null!;

    [LoadData("skin.json", LoadDataType.STC)]
    public static List<Skin> skin { get; private set; } = null!;

    [LoadData("spot.json", LoadDataType.STC)]
    public static List<Spot> spot { get; private set; } = null!;

    [LoadData("squad.json", LoadDataType.STC)]
    public static List<Squad> squad { get; private set; } = null!;

    [LoadData("vehicle.json", LoadDataType.STC)]
    public static List<Vehicle> vehicle { get; private set; } = null!;

    [LoadData("vehicle_component.json", LoadDataType.STC)]
    public static List<VehicleComponent> vehicle_component { get; private set; } = null!;

    [LoadData("weekly.json", LoadDataType.STC)]
    public static List<Weekly> weekly { get; private set; } = null!;

    #endregion

    public static void Load()
    {
        int catchDataCount = 0;
        int stcCount = 0;
        int textCount = 0;

        foreach (PropertyInfo? prop in typeof(Table).GetProperties().Where(x => x.GetCustomAttribute<LoadDataAttribute>() is not null))
        {
            LoadDataAttribute attr = prop.GetCustomAttribute<LoadDataAttribute>()!;

            switch (attr.DataType)
            {
                case LoadDataType.CatchData:
                    object? obj = typeof(JSON).GetMethod(nameof(JSON.Load))!.MakeGenericMethod(typeof(object)).Invoke(null, [Path.Combine(GetPath(attr.DataType), attr.FileName), false]);
                    JsonProperty entry = ((JsonElement)obj).EnumerateObject().First();
                    object? value = JsonSerializer.Deserialize(entry.Value.GetRawText(), prop.PropertyType, new JsonSerializerOptions { PropertyNameCaseInsensitive = true });
                    prop.SetValue(null, value);
                    Log.Information($"Loaded {(prop.GetValue(null) as IList)?.Count} entries from {prop.Name} catchdata table");
                    catchDataCount++;
                    break;
                case LoadDataType.STC:
                    prop.SetValue(null, typeof(JSON).GetMethod(nameof(JSON.Load))!.MakeGenericMethod(prop.PropertyType).Invoke(null, [Path.Combine(GetPath(attr.DataType), attr.FileName), false]));
                    Log.Information($"Loaded {(prop.GetValue(null) as IList)?.Count} entries from {prop.Name} stc table");
                    stcCount++;
                    break;
                case LoadDataType.Text:
                    // TODO: textdata is just a flat list of key-value pairs that are looked up from stc
                    textCount++;
                    break;
            }
        }

        Log.Information($"Finished loading data tables ({catchDataCount} catchdata, {stcCount} stc, {textCount} text)");
    }

    public static string GetPath(LoadDataType type)
        => type switch
        {
            LoadDataType.CatchData => Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Resources/catchdata/"),
            LoadDataType.STC => Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Resources/stc/"),
            LoadDataType.Text => Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Resources/text/table")
        };
}

public abstract class Model
{
}