using Admin.NET.Plugin.AiDOP.DataPlatform;
using Admin.NET.Plugin.AiDOP.Entity.DataPlatform;
using Furion.Schedule;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;

namespace Admin.NET.Plugin.AiDOP.Job;

/// <summary>
/// 定时探活 mdp_source：DB SELECT 1 / API GET baseUrl（或 /health）。
/// </summary>
[JobDetail("job_mdp_source_health", Description = "MDP 数据源健康检查", GroupName = "default", Concurrent = false)]
[PeriodSeconds(300, TriggerId = "trigger_mdp_source_health", Description = "每 5 分钟探活数据源", RunOnStart = false)]
public class MdpSourceHealthCheckJob : IJob
{
    private readonly IServiceScopeFactory _scopeFactory;
    private readonly ILogger _logger;

    public MdpSourceHealthCheckJob(IServiceScopeFactory scopeFactory, ILoggerFactory loggerFactory)
    {
        _scopeFactory = scopeFactory;
        _logger = loggerFactory.CreateLogger(nameof(MdpSourceHealthCheckJob));
    }

    public async Task ExecuteAsync(JobExecutingContext context, CancellationToken stoppingToken)
    {
        using var scope = _scopeFactory.CreateScope();
        var db = scope.ServiceProvider.GetRequiredService<ISqlSugarClient>();
        var scopeFactory = scope.ServiceProvider.GetRequiredService<MdpSourceScopeFactory>();
        using var http = new HttpClient { Timeout = TimeSpan.FromSeconds(15) };

        var sources = await db.Queryable<MdpSource>().Where(x => x.Status == 1).ToListAsync(stoppingToken);
        var ok = 0;
        var fail = 0;
        foreach (var src in sources)
        {
            stoppingToken.ThrowIfCancellationRequested();
            var now = DateTime.Now;
            try
            {
                if (string.Equals(src.SourceType, "DB", StringComparison.OrdinalIgnoreCase))
                {
                    var scopeDb = await scopeFactory.GetScopeAsync(src.SourceCode, stoppingToken);
                    await scopeDb.Ado.GetIntAsync("SELECT 1");
                    src.HealthStatus = 1;
                    src.HealthMsg = "OK";
                    ok++;
                }
                else if (string.Equals(src.SourceType, "API", StringComparison.OrdinalIgnoreCase))
                {
                    if (string.IsNullOrWhiteSpace(src.ApiBaseUrl))
                        throw new InvalidOperationException("api_base_url 为空");
                    var url = src.ApiBaseUrl.TrimEnd('/') + "/";
                    using var resp = await http.GetAsync(url, stoppingToken);
                    src.HealthStatus = (int)resp.StatusCode is >= 200 and < 500 ? 1 : 0;
                    src.HealthMsg = $"HTTP {(int)resp.StatusCode}";
                    if (src.HealthStatus == 1) ok++; else fail++;
                }
                else
                {
                    src.HealthStatus = 0;
                    src.HealthMsg = $"未知 source_type={src.SourceType}";
                    fail++;
                }
            }
            catch (Exception ex)
            {
                src.HealthStatus = 0;
                src.HealthMsg = ex.Message.Length > 480 ? ex.Message[..480] : ex.Message;
                fail++;
            }

            src.LastHealthCheck = now;
            src.UpdateTime = now;
            await db.Updateable(src)
                .UpdateColumns(x => new { x.HealthStatus, x.HealthMsg, x.LastHealthCheck, x.UpdateTime })
                .ExecuteCommandAsync(stoppingToken);
        }

        if (sources.Count > 0)
            _logger.LogInformation("[MdpSourceHealthCheckJob] total={Total} ok={Ok} fail={Fail}", sources.Count, ok, fail);
    }
}