package main

import (
	"context"
	"fmt"
	"log"
	"math"
	"os"
	"os/signal"
	"strconv"
	"syscall"

	"codeberg.org/arimelody/ari-stream-tools/learning"
	"codeberg.org/arimelody/ari-stream-tools/music"
	"codeberg.org/arimelody/ari-stream-tools/twitch"
	"codeberg.org/arimelody/ari-stream-tools/utils/dotenv"
	"github.com/gin-gonic/gin"
)

var DEFAULT_HOST string = "0.0.0.0"
var DEFAULT_PORT int16 = 8080

func main() {
	failed := make(chan error)
	ctx, cancel := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM)
	defer cancel()

	envars, err := dotenv.LoadEnv()
	if err != nil {
		if !os.IsNotExist(err) {
			log.Fatalf("Failed to read .env: %v", err)
		}
	}

	gin.SetMode(gin.ReleaseMode)

	host := DEFAULT_HOST
	port := DEFAULT_PORT

	if len(os.Args) > 1 {
		_port, err := strconv.Atoi(os.Args[1])
		if _port > math.MaxUint16 {
			log.Fatalf("Port must be between 1 and 65535: %d", _port)
		}
		port = int16(_port)
		if err != nil {
			log.Fatalf("Failed to parse port: %v", err)
		}
	}

	learningService := learning.New(ctx, learning.ServiceConfig{
		TitleFilePath: "learning-title.txt",
	})
	musicService := music.New(ctx)
	twitchService, err := twitch.New(ctx, twitch.ServiceOptions{
		Port: port,
		ChannelName: dotenv.SafeGet(envars, "TWITCH_CHANNEL_NAME"),
		ClientID: dotenv.SafeGet(envars, "TWITCH_CLIENT_ID"),
		ClientSecret: dotenv.SafeGet(envars, "TWITCH_CLIENT_SECRET"),
	})
	if err != nil {
		log.Fatalf("Failed to create Twitch service: %v", err)
	}

	srv := gin.Default()
	srv.Use(gin.LoggerWithConfig(gin.LoggerConfig{
		SkipPaths: []string{
			"/twitch/public",
			"/music/public",
			"/learning/public",
		},
	}))
	learningService.BindRoutes(srv.Group("/learning"))
	musicService.BindRoutes(srv.Group("/music"))
	twitchService.BindRoutes(srv.Group("/twitch"))

	go musicService.Run(ctx)
	go twitchService.Run(ctx)
	go func() {
		log.Printf("Now serving at http://%s:%d\n", host, port)
		failed <- srv.Run(fmt.Sprintf("%s:%d", host, port))
	}()

	select {
	case err := <-failed:
		log.Fatal(err)
	case <-ctx.Done():
		log.Print("Shutting down...")
	}
}