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//
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//
// 不得利用本项目从事危害国家安全、扰乱社会秩序、侵犯他人合法权益等法律法规禁止的活动！任何基于本项目二次开发而产生的一切法律纠纷和责任，我们不承担任何责任！

using AngleSharp.Common;

namespace Admin.NET.Core;

/// <summary>
/// 枚举转字典
/// </summary>
[JobDetail("job_EnumToDictJob", Description = "枚举转字典", GroupName = "default", Concurrent = false)]
[PeriodSeconds(1, TriggerId = "trigger_EnumToDictJob", Description = "枚举转字典", MaxNumberOfRuns = 1, RunOnStart = true)]
public class EnumToDictJob : IJob
{
    private readonly IServiceScopeFactory _scopeFactory;
    private const int OrderOffset = 10;
    private const string DefaultTagType = "info";

    public EnumToDictJob(IServiceScopeFactory scopeFactory)
    {
        _scopeFactory = scopeFactory;
    }

    public async Task ExecuteAsync(JobExecutingContext context, CancellationToken stoppingToken)
    {
        using var serviceScope = _scopeFactory.CreateScope();
        var sysEnumService = serviceScope.ServiceProvider.GetRequiredService<SysEnumService>();
        // 获取数据库连接
        var db = serviceScope.ServiceProvider.GetRequiredService<ISqlSugarClient>().CopyNew();

        // 获取枚举类型列表
        var enumTypeList = sysEnumService.GetEnumTypeList();
        var enumCodeList = enumTypeList.Select(u => u.TypeName);
        // 查询数据库中已存在的枚举类型代码
        var sysDictTypeList = await db.Queryable<SysDictType>()
                                      .Includes(d => d.Children)
                                      .Where(d => enumCodeList.Contains(d.Code))
                                      .ToListAsync(stoppingToken);
        // 更新的枚举转换字典
        var updatedEnumCodes = sysDictTypeList.Select(u => u.Code);
        var updatedEnumType = enumTypeList.Where(u => updatedEnumCodes.Contains(u.TypeName)).ToList();
        var sysDictTypeDict = sysDictTypeList.ToDictionary(u => u.Code, u => u);
        var (updatedDictTypes, updatedDictDatas) = GetUpdatedDicts(updatedEnumType, sysDictTypeDict);

        // 新增的枚举转换字典
        var newEnumType = enumTypeList.Where(u => !updatedEnumCodes.Contains(u.TypeName)).ToList();
        var (newDictTypes, newDictDatas) = GetNewSysDicts(newEnumType);

        // 执行数据库操作
        try
        {
            db.BeginTran();

            if (updatedDictTypes.Count > 0)
                await db.Updateable(updatedDictTypes).ExecuteCommandAsync(stoppingToken);

            if (updatedDictDatas.Count > 0)
                await db.Updateable(updatedDictDatas).ExecuteCommandAsync(stoppingToken);

            if (newDictTypes.Count > 0)
                await db.Insertable(newDictTypes).ExecuteCommandAsync(stoppingToken);

            if (newDictDatas.Count > 0)
                await db.Insertable(newDictDatas).ExecuteCommandAsync(stoppingToken);

            db.CommitTran();
        }
        catch (Exception error)
        {
            db.RollbackTran();
            Log.Error($"系统枚举转换字典操作错误：{error.Message}\n堆栈跟踪：{error.StackTrace}", error);
            throw;
        }
        var originColor = Console.ForegroundColor;
        Console.ForegroundColor = ConsoleColor.Green;
        Console.WriteLine($"【{DateTime.Now}】系统枚举转换字典");
        Console.ForegroundColor = originColor;
    }

    /// <summary>
    /// 获取需要新增的字典列表
    /// </summary>
    /// <param name="addEnumType"></param>
    /// <returns>
    /// 一个元组，包含以下元素：
    /// <list type="table">
    ///     <item><term>SysDictTypes</term><description>字典类型列表</description></item>
    ///     <item><term>SysDictDatas</term><description>字典数据列表</description></item>
    /// </list>
    /// </returns>
    private (List<SysDictType>, List<SysDictData>) GetNewSysDicts(List<EnumTypeOutput> addEnumType)
    {
        var newDictType = new List<SysDictType>();
        var newDictData = new List<SysDictData>();
        if (addEnumType.Count > 0)
        {
            // 新增字典类型
            newDictType = addEnumType.Select(u => new SysDictType
            {
                Id = YitIdHelper.NextId(),
                Code = u.TypeName,
                Name = u.TypeDescribe,
                Remark = u.TypeRemark,
                Status = StatusEnum.Enable
            }).ToList();

            // 新增字典数据
            newDictData = addEnumType.Join(newDictType, t1 => t1.TypeName, t2 => t2.Code, (t1, t2) => new
            {
                Data = t1.EnumEntities.Select(u => new SysDictData
                {
                    Id = YitIdHelper.NextId(),
                    DictTypeId = t2.Id,
                    Name = u.Describe,
                    Value = u.Value.ToString(),
                    Code = u.Name,
                    Remark = t2.Remark,
                    OrderNo = u.Value + OrderOffset,
                    TagType = u.Theme != "" ? u.Theme : DefaultTagType,
                }).ToList()
            }).SelectMany(x => x.Data).ToList();
        }
        return (newDictType, newDictData);
    }

    /// <summary>
    /// 获取需要更新的字典列表
    /// </summary>
    /// <param name="updatedEnumType"></param>
    /// <param name="sysDictTypeDict"></param>
    /// <returns>
    /// 一个元组，包含以下元素：
    /// <list type="table">
    ///     <item><term>SysDictTypes</term><description>字典类型列表</description>
    ///     </item>
    ///     <item><term>SysDictDatas</term><description>字典数据列表</description>
    ///     </item>
    /// </list>
    /// </returns>
    private (List<SysDictType>, List<SysDictData>) GetUpdatedDicts(List<EnumTypeOutput> updatedEnumType, Dictionary<string, SysDictType> sysDictTypeDict)
    {
        var updatedSysDictTypes = new List<SysDictType>();
        var updatedSysDictData = new List<SysDictData>();
        foreach (var e in updatedEnumType)
        {
            if (sysDictTypeDict.TryGetValue(e.TypeName, out var value))
            {
                var updatedDictType = value;
                updatedDictType.Name = e.TypeDescribe;
                updatedDictType.Remark = e.TypeRemark;
                updatedSysDictTypes.Add(updatedDictType);
                var updatedDictData = updatedDictType.Children.Where(u => u.DictTypeId == updatedDictType.Id).ToList();

                // 遍历需要更新的字典数据
                foreach (var dictData in updatedDictData)
                {
                    var enumData = e.EnumEntities.Where(u => dictData.Code == u.Name).FirstOrDefault();
                    if (enumData != null)
                    {
                        dictData.Value = enumData.Value.ToString();
                        dictData.OrderNo = enumData.Value + OrderOffset;
                        dictData.Name = enumData.Describe;
                        dictData.TagType = enumData.Theme != "" ? enumData.Theme : dictData.TagType != "" ? dictData.TagType : DefaultTagType;
                        updatedSysDictData.Add(dictData);
                    }
                }
            }
        }

        return (updatedSysDictTypes, updatedSysDictData);
    }
}