using Dlhis.Middle.Apis;
using Dlhis.Middle.Entities;
using Dlhis.Middle.Services;
using Kurisu.AspNetCore.DataAccess.SqlSugar.Services;
using Kurisu.AspNetCore.UnifyResultAndValidation;

namespace Dlhis.Middle.BackgroundServices;

public class BalanceRecordUploadBackgroundService : BackgroundService
{
    private readonly IServiceProvider _serviceProvider;
    private readonly ILogger<BalanceRecordUploadBackgroundService> _logger;
    private readonly ISettingService _settingService;
    private readonly ICanteenApi _canteenApi;

    private readonly IHealthCheckService _healthCheckService;

    public BalanceRecordUploadBackgroundService(IServiceProvider serviceProvider,
        ILogger<BalanceRecordUploadBackgroundService> logger,
        ISettingService settingService,
        ICanteenApi canteenApi,
        IHealthCheckService healthCheckService)
    {
        _serviceProvider = serviceProvider;
        _logger = logger;
        _settingService = settingService;
        _canteenApi = canteenApi;
        _healthCheckService = healthCheckService;
    }

    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
    {
        while (!stoppingToken.IsCancellationRequested)
        {
            if (!_healthCheckService.GetIsOffline())
            {
                var now = DateTime.Now;

                using var scope = _serviceProvider.CreateScope();
                var db = scope.ServiceProvider.GetService<IDbContext>();
                var ds = scope.ServiceProvider.GetService<IDataDownloadService>();

                var factories = _settingService.GetFactories();
                foreach (var factory in factories)
                {
                    try
                    {
                        var balanceRecords = await db.Queryable<LocalBalanceRecordEntity>()
                            .Where(x => x.TenantId == factory)
                            .Where(x => !x.IsSync).ToListAsync(stoppingToken);

                        if (balanceRecords.Any())
                        {
                            _logger.LogInformation("上传离线订单");
                            foreach (var balanceRecord in balanceRecords)
                            {
                                //事务
                                await db.Client.Ado.BeginTranAsync();
                                try
                                {
                                    var r = await _canteenApi.UploadAsync(balanceRecord);
                                    if (r.Code != ApiStateCode.Success)
                                    {
                                        throw new Exception(r.Msg);
                                    }

                                    var d = r.Data;
                                    //更新本地余额表
                                    await db.Updateable<LocalGainfoMealEntity>()
                                        .SetColumns(x => x.Balance == d.Balance)
                                        .Where(x => x.UserCode == d.UserCode)
                                        .ExecuteCommandAsync(stoppingToken);

                                    //eg:一定要在此处更新为已同步
                                    balanceRecord.IsSync = true;
                                    await db.UpdateAsync(balanceRecord);

                                    await db.Client.Ado.CommitTranAsync();
                                }
                                catch (Exception e)
                                {
                                    _logger.LogError(e, "{factory}上传离线消费失败:{message}", factory, e.Message);
                                    await db.Client.Ado.RollbackTranAsync();
                                }
                            }

                            balanceRecords = await db.Queryable<LocalBalanceRecordEntity>().Where(x => x.TenantId == factory).Where(x => !x.IsSync).ToListAsync(stoppingToken);
                            if (!balanceRecords.Any())
                            {
                                _logger.LogInformation("{factory}上传离线订单完成", factory);
                            }
                        }
                        else
                        {
                            _logger.LogInformation("{factory}无离线订单", factory);
                        }
                    }
                    catch (Exception e)
                    {
                        _logger.LogError(e, "{factory}同步离线数据失败:{message}", factory, e.Message);
                    }
                }


                try
                {
                    if (now is { Hour: 5, Minute: 1 }
                        && !_healthCheckService.GetIsOffline()
                        && !await db.Queryable<LocalBalanceRecordEntity>().Where(x => !x.IsSync).AnyAsync())
                    {
                        await ds.InitAsync(factories);
                    }
                }
                catch (Exception e)
                {
                    _logger.LogError(e, "定时同步离线数据失败");
                }
            }

            await Task.Delay(30 * 1000, stoppingToken);
        }
    }
}