package main

import (
	"context"
	"flag"
	"os"
	"os/signal"

	"gitea.timerzz.com/kedaya_haitao/coach-spider/pkg/options"
	"gitea.timerzz.com/kedaya_haitao/coach-spider/server"
	"gitea.timerzz.com/kedaya_haitao/coach-spider/spider"
	"gitea.timerzz.com/kedaya_haitao/common/pkg/coach-client"
	"gitea.timerzz.com/kedaya_haitao/common/pkg/database"
	"gitea.timerzz.com/kedaya_haitao/common/pkg/proxy"
	"gitea.timerzz.com/kedaya_haitao/common/pkg/redis"
	"gitea.timerzz.com/kedaya_haitao/common/pkg/web"
	"github.com/gofiber/fiber/v3"
	"github.com/gofiber/fiber/v3/middleware/cors"
	"github.com/gofiber/fiber/v3/middleware/recover"
	"github.com/golang/glog"
	"golang.org/x/sync/errgroup"
)

func main() {
	flag.Parse()
	glog.Info(">>> BEGIN INIT<<<")

	ctx, cancel := signal.NotifyContext(context.Background(), os.Kill, os.Interrupt)
	defer cancel()
	cfg, err := options.LoadConfigs()
	if err != nil {
		glog.Fatalf("获取配置失败：%v", err)
	}
	// 初始化数据库
	db, err := database.InitDefaultDatabase()
	if err != nil {
		glog.Fatalf("初始化数据库失败：%v", err)
	}

	// 初始化redis
	rdb, err := redis.InitDefaultRedis()
	if err != nil {
		glog.Fatalf("初始化redis失败：%v", err)
	}

	// 代理池
	pool := proxy.NewProxyPool(cfg.Proxy.Subscribes)

	go pool.CronUpdate(ctx, cfg.Proxy.Interval) //定时更新代理

	// coach client
	client := coach_client.USClient(pool)

	var wg, _ctx = errgroup.WithContext(ctx)

	ctl := spider.NewController(
		_ctx,
		cfg.ProviderId,
		client,
		db,
		rdb,
	)
	wg.Go(ctl.Run)

	r := fiber.New(fiber.Config{ErrorHandler: web.ErrHandle})

	r.Use(cors.New(), recover.New())

	for _, register := range []web.Register{
		server.NewSpiderSvc(ctl, cfg.ProviderId),
		web.NewProbe().SetReadyProbe(func(ctx fiber.Ctx) error {
			if ctl.Ready() {
				return ctx.SendStatus(fiber.StatusOK)
			} else {
				return ctx.SendStatus(fiber.StatusServiceUnavailable)
			}
		}),
	} {
		register.Registry(r)
	}
	glog.Info(">>> BEGIN RUN<<<")
	port := os.Getenv("PORT")
	if port == "" {
		port = "80"
	}

	wg.Go(func() error {
		defer glog.Infof("server 服务退出")
		return r.Listen(":"+port, fiber.ListenConfig{
			EnablePrintRoutes: true,
			GracefulContext:   _ctx,
		})
	})

	if err = wg.Wait(); err != nil {
		glog.Fatalf("服务异常退出：%v", err)
	}
}