using System;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.DependencyInjection;
using VolPro.Core.Filters;
using Warehouse.IServices;

namespace Warehouse.Controllers;

/// <summary>
/// 定时任务 API 端点。
/// Vol.Pro 框架通过 Sys_QuartzOptions 表配置 URL+Cron 定时调用。
/// 每个方法加 [ApiTask] 属性以允许框架匿名调用。
/// 
/// 不在 Controller 层注入具体业务类——通过 HttpContext.RequestServices 按需解析，
/// 避免 Controller 构造函数的 DI 依赖链过长。
/// </summary>
[Route("api/task")]
public class TaskController : Controller
{
    /// <summary>T1: 设备同步 — 遍历在线网关触发全量设备同步（每5分钟）</summary>
    [ApiTask]
    [HttpGet, HttpPost, Route("syncDevices")]
    public async Task<IActionResult> SyncDevices()
    {
        var sp = HttpContext.RequestServices;
        if (sp.GetService<Igateway_nodesService>() == null)
            return StatusCode(500, new { error = "服务未注册: gateway_nodesService" });

        // 复用 SyncDevicesJob 的核心流程（Job 内部自行创建 GatewayClient）
        var job = new VolPro.Warehouse.Services.SyncDevicesJob(sp);
        await job.Execute(null!);
        return Ok(new { time = DateTime.Now, status = "ok" });
    }

    /// <summary>T2: 心跳监控 — 扫描超时网关标记离线（每15秒）</summary>
    [ApiTask]
    [HttpGet, HttpPost, Route("heartbeatMonitor")]
    public async Task<IActionResult> HeartbeatMonitor()
    {
        var sp = HttpContext.RequestServices;
        var gwSvc = sp.GetService<Igateway_nodesService>();
        if (gwSvc == null)
            return StatusCode(500, new { error = "服务未注册: gateway_nodesService" });

        var job = new VolPro.Warehouse.Services.HeartbeatMonitorJob(sp);
        await job.Execute(null!);
        return Ok(new { time = DateTime.Now, status = "ok" });
    }

    /// <summary>T3: 实时轮询 — 拉取 MC4 IoT 实时值（每10秒）</summary>
    [ApiTask]
    [HttpGet, HttpPost, Route("realtimePoll")]
    public async Task<IActionResult> RealtimePoll()
    {
        var sp = HttpContext.RequestServices;
        var gwSvc = sp.GetService<Igateway_nodesService>();
        if (gwSvc == null)
            return StatusCode(500, new { error = "服务未注册: gateway_nodesService" });

        var job = new VolPro.Warehouse.Services.RealtimePollJob(sp);
        await job.Execute(null!);
        return Ok(new { time = DateTime.Now, status = "ok" });
    }

    /// <summary>T4: 规则引擎 — 评估规则+执行动作（每10秒）</summary>
    [ApiTask]
    [HttpGet, HttpPost, Route("ruleEngine")]
    public async Task<IActionResult> RuleEngine()
    {
        var sp = HttpContext.RequestServices;
        var ruleRepo = sp.GetService<Warehouse.IRepositories.Iwarehouse_ruleRepository>();
        if (ruleRepo == null)
            return StatusCode(500, new { error = "服务未注册: Iwarehouse_ruleRepository" });

        var engine = new Warehouse.Services.RuleEngineService(ruleRepo);
        await engine.EvaluateAllAsync();
        return Ok(new { time = DateTime.Now, status = "ok" });
    }
}