package main

import (
	"fmt"
	"log"

	"github.com/gin-gonic/gin"
	socketio "github.com/googollee/go-socket.io"
	eventemitter "github.com/hyperzlib/go-event-emitter"
	"github.com/hyperzlib/isekai-remote-playback/context"
	"github.com/hyperzlib/isekai-remote-playback/middleware"
	"github.com/hyperzlib/isekai-remote-playback/routes"
	"github.com/hyperzlib/isekai-remote-playback/store"
	"github.com/spf13/viper"
)

func initConfig() {
	viper.SetConfigName("config")
	viper.SetConfigType("yaml")
	viper.AddConfigPath(".")

	viper.SetDefault("debug", true)

	viper.SetDefault("http.baseurl", "")
	viper.SetDefault("http.listen", "0.0.0.0")
	viper.SetDefault("http.port", 8913)
	viper.SetDefault("http.origins", []string{})

	viper.SetDefault("redis.prefix", "irp")

	err := viper.ReadInConfig()
	if err != nil {
		panic(fmt.Errorf("fatal error config file: %w", err))
	}
}

func main() {
	ctx := context.NewServerContext()

	initConfig()

	// 初始化存储
	store.InitStore()

	// 创建事件系统
	ctx.EventSource = eventemitter.NewEmitter(true)

	// Socket.IO服务器
	sockets := socketio.NewServer(nil)
	ctx.Sockets = sockets

	if viper.GetString("redis.addr") != "" {
		_, err := sockets.Adapter(&socketio.RedisAdapterOptions{
			Addr:     viper.GetString("redis.addr"),
			Prefix:   viper.GetString("redis.prefix"),
			Password: viper.GetString("redis.password"),
			Network:  viper.GetString("redis.network"),
		})
		if err != nil {
			log.Fatalf("socket.io redis adaper error: %s\n", err)
		}
	}

	sockets, err := routes.CreateSocketRouter(sockets, ctx)
	if err != nil {
		log.Fatal("Cannot create websocket httpApp", err)
	}

	go func() {
		if err := sockets.Serve(); err != nil {
			log.Fatalf("socket.io listen error: %s\n", err)
		}
	}()
	defer sockets.Close()

	// HTTP服务器
	httpApp := gin.New()
	ctx.HttpServer = httpApp

	httpApp.Use(middleware.Handler)
	httpApp.Use(middleware.CORSMiddleware(viper.GetStringSlice("http.origins")))

	httpApp.GET("/socket.io/*any", gin.WrapH(sockets))
	httpApp.POST("/socket.io/*any", gin.WrapH(sockets))

	httpApp = routes.CreateWebRouter(httpApp)

	if viper.GetBool("debug") {
		gin.SetMode(gin.DebugMode)
	} else {
		gin.SetMode(gin.ReleaseMode)
	}

	hostAddr := viper.GetString("http.listen") + ":" + viper.GetString("http.port")
	if err := httpApp.Run(hostAddr); err != nil {
		log.Fatal("failed run app: ", err)
	}
}