using Furion;
using Furion.DependencyInjection;
using Furion.TaskScheduler;
using Magic.Core.Entity;
using Magic.Core.Service;
using Microsoft.Extensions.DependencyInjection;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;

namespace Magic.Core.Job;

/// <summary>
/// 日志定时任务类
/// </summary>
public class LogJobWorker : ISpareTimeWorker
{
    // 日志暂存器，待写入
    private readonly List<SysLogEx> _sysLogExs = new();
    private readonly List<SysLogOp> _sysLogOps = new();
    private readonly List<SysLogVis> _sysLogViss = new();

    /// <summary>
    /// 定期删除异常日志
    /// </summary>
    /// <param name="timer"></param>
    /// <param name="count"></param>
    [SpareTime("@midnight", "LogExDeletionService", Description = "后台定期删除异常日志，配置项参数：{\"daysAgo\": 30}，不填默认为30",
               DoOnce = false, StartNow = true, ExecuteType = SpareTimeExecuteTypes.Serial)]
    public void DoDeleteLogEx(SpareTimer timer, long count)
    {
        // 判断是否有异常
        if (timer.Exception.Any())
        {
            // todo: 增加任务运行日志
        }

        // 默认值
        var daysAgo = 15;

        var sysCache = App.GetRequiredService<ISysCacheService>();

        // 获取写数据库容量阀值，新增定时任务时会将配置项写入缓存
        if (sysCache != null)
        {
            var parameters = sysCache.Get<Dictionary<string, string>>("LogDeletionService_Parameters");

            // 如果存在相关配置项
            if (parameters != null && parameters.ContainsKey("daysAgo") &&
                string.IsNullOrEmpty(parameters["daysAgo"]))
                daysAgo = int.Parse(parameters["daysAgo"]);
        }

        // 生成查询表达式
        Expression<Func<SysLogEx, bool>> expression = ex => ex.ExceptionTime < DateTime.Now.AddDays(-daysAgo);

        // 执行删除
        DoDeleteWork(expression);
    }

    /// <summary>
    /// 定期删除操作日志
    /// </summary>
    /// <param name="timer"></param>
    /// <param name="count"></param>
    [SpareTime("@midnight", "LogOpDeletionService", Description = "后台定期删除操作日志，配置项参数：{\"daysAgo\": 7}，不填默认为7",
               DoOnce = false, StartNow = true, ExecuteType = SpareTimeExecuteTypes.Serial)]
    public void DoDeleteLogOp(SpareTimer timer, long count)
    {
        // 判断是否有异常
        if (timer.Exception.Any())
        {
            // todo: 增加任务运行日志
        }

        // 默认值
        var daysAgo = 7;

        var sysCache = App.GetRequiredService<ISysCacheService>();

        // 获取写数据库容量阀值，新增定时任务时会将配置项写入缓存
        if (sysCache != null)
        {
            var parameters = sysCache.Get<Dictionary<string, string>>("LogOpDeletionService_Parameters");

            // 如果存在相关配置项
            if (parameters != null && parameters.ContainsKey("daysAgo") &&
                string.IsNullOrEmpty(parameters["daysAgo"]))
                daysAgo = int.Parse(parameters["daysAgo"]);
        }

        // 生成查询表达式
        Expression<Func<SysLogOp, bool>> expression = ex => ex.OpTime < DateTime.Now.AddDays(-daysAgo);

        // 执行删除
        DoDeleteWork(expression);
    }

    /// <summary>
    /// 定期删除访问日志
    /// </summary>
    /// <param name="timer"></param>
    /// <param name="count"></param>
    [SpareTime("@midnight", "LogVisDeletionService", Description = "后台定期删除访问日志，配置项参数：{\"daysAgo\": 15}，不填默认为15",
               DoOnce = false, StartNow = true, ExecuteType = SpareTimeExecuteTypes.Serial)]
    public void DoDeleteLogVis(SpareTimer timer, long count)
    {
        // 判断是否有异常
        if (timer.Exception.Any())
        {
            // todo: 增加任务运行日志
        }

        // 默认值
        var daysAgo = 15;

        var sysCache = App.GetRequiredService<ISysCacheService>();

        // 获取写数据库容量阀值，新增定时任务时会将配置项写入缓存
        if (sysCache != null)
        {
            var parameters = sysCache.Get<Dictionary<string, string>>("LogVisDeletionService_Parameters");

            // 如果存在相关配置项
            if (parameters != null && parameters.ContainsKey("daysAgo") &&
                string.IsNullOrEmpty(parameters["daysAgo"]))
                daysAgo = int.Parse(parameters["daysAgo"]);
        }

        // 生成查询表达式
        Expression<Func<SysLogVis, bool>> expression = ex => ex.VisTime < DateTime.Now.AddDays(-daysAgo);

        // 执行删除
        DoDeleteWork(expression);
    }

    /// <summary>
    /// 后台批量写错误日志
    /// </summary>
    /// <param name="timer"></param>
    /// <param name="count"></param>
    [SpareTime(10000, "LogExWritingService", Description = "后台批量写错误日志，配置项参数：{\"quantity\": 2}，不填默认为2",
               DoOnce = false, StartNow = true, ExecuteType = SpareTimeExecuteTypes.Serial)]
    public void DoLogEx(SpareTimer timer, long count)
    {
        Console.ForegroundColor = ConsoleColor.Yellow;
        Console.WriteLine($"DoLogEx: {DateTime.Now}");
        return;
        //DoWork(timer, count, "LogExWritingService_Parameters", _sysLogExs);
    }

    /// <summary>
    /// 后台批量写操作日志
    /// </summary>
    /// <param name="timer"></param>
    /// <param name="count"></param>
    [SpareTime(5000, "LogOpWritingService", Description = "后台批量写操作日志，配置项参数：{\"quantity\": 2}，不填默认为2",
               DoOnce = false, StartNow = true, ExecuteType = SpareTimeExecuteTypes.Serial)]
    public void DoLogOp(SpareTimer timer, long count)
    {
        Console.ForegroundColor = ConsoleColor.Green;
        Console.WriteLine($"DoLogOp: {DateTime.Now}");
        return;
        //DoWork(timer, count, "LogOpWritingService_Parameters", _sysLogOps);
    }

    /// <summary>
    /// 后台批量写访问日志
    /// </summary>
    /// <param name="timer"></param>
    /// <param name="count"></param>
    [SpareTime(8000, "LogVisWritingService", Description = "后台批量写访问日志，配置项参数：{\"quantity\": 2}，不填默认为2",
               DoOnce = false, StartNow = true, ExecuteType = SpareTimeExecuteTypes.Serial)]
    public void DoLogVis(SpareTimer timer, long count)
    {
        Console.ForegroundColor = ConsoleColor.Cyan;
        Console.WriteLine($"DoLogVis: {DateTime.Now}");
        return;
        //DoWork(timer, count, "LogVisWritingService_Parameters", _sysLogViss);
    }

    /// <summary>
    /// 写日志
    /// </summary>
    /// <param name="timer"></param>
    /// <param name="count"></param>
    /// <param name="cacheKey"></param>
    /// <param name="logs"></param>
    /// <typeparam name="T"></typeparam>
    private void DoWork<T>(SpareTimer timer, long count, string cacheKey, List<T> logs) where T : class, new()
    {
        // 判断是否有异常
        if (timer.Exception.Any())
        {
            // todo: 增加任务运行日志
        }

        Scoped.Create((_, scope) =>
        {
            var services = scope.ServiceProvider;
            var logRep =App.GetService<ISqlSugarClient>(services);
            var sysCache = services.GetRequiredService<ISysCacheService>();

            // 默认值
            var quantity = 2;

            // 获取写数据库容量阀值，新增定时任务时会将配置项写入缓存
            if (sysCache != null)
            {
                var parameters = sysCache.Get<Dictionary<string, string>>(cacheKey);

                // 如果存在相关配置项
                if (parameters != null && parameters.ContainsKey("quantity") &&
                    string.IsNullOrEmpty(parameters["quantity"]))
                    quantity = int.Parse(parameters["quantity"]);
            }

            // 后台队列中产生了日志，取出写入暂存器
            int queue = SimpleQueue<T>.Count();
            if (queue > 0)
            {
                for (var i = 0; i < queue; i++)
                {
                    if (SimpleQueue<T>.Try(out T obj))
                        logs.Add(obj);
                }
            }

            // 达到系统配置的容量则写入数据库
            if (logs.Count > quantity)
            {
                logRep.Insertable<T>(logs).ExecuteCommand();
                logs.Clear();
            }
        });
    }

    /// <summary>
    /// 根据条件删除日志
    /// </summary>
    /// <param name="expression"></param>
    /// <typeparam name="T"></typeparam>
    private void DoDeleteWork<T>(Expression<Func<T, bool>> expression) where T : class, new()
    {
        Scoped.Create((_, scope) =>
        {
            var services = scope.ServiceProvider;
            var logRep = App.GetService<ISqlSugarClient>(services);
            logRep.Deleteable<T>(expression);
        });
    }
}