package main

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

	"gitea.timerzz.com/kedaya_haitao/common/pkg/database"
	"gitea.timerzz.com/kedaya_haitao/common/pkg/redis"
	"gitea.timerzz.com/kedaya_haitao/common/pkg/web"
	"gitea.timerzz.com/kedaya_haitao/common/structs/storage"
	v2 "gitea.timerzz.com/kedaya_haitao/common/structs/v2"
	dw_sdk "gitea.timerzz.com/kedaya_haitao/dw-sdk"
	"gitea.timerzz.com/kedaya_haitao/dw-spider/server"
	"gitea.timerzz.com/kedaya_haitao/dw-spider/spider"
	"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()

	// 读取环境变量
	sellerId := v2.SellerId(os.Getenv("SELLER_ID"))
	if sellerId == "" {
		glog.Fatal("SELLER_ID 未设置")
	}

	bidType := dw_sdk.LoadBiddingType(os.Getenv("BID_TYPE"))

	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)
	}
	client, err := dw_sdk.InitDefaultDWClient()
	if err != nil {
		glog.Fatalf("初始化redis失败：%v", err)
	}
	// wait group
	var wg, _ctx = errgroup.WithContext(ctx)
	// 控制器
	ctl := spider.NewController(
		ctx,
		sellerId,
		client,
		storage.NewStorage(db),
		rdb,
		bidType,
	)

	wg.Go(ctl.Run)

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

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

	for _, register := range []web.Register{
		server.NewSpiderSvc(ctl, sellerId),
		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)
	}
}