package main

import (
	"context"
	"database/sql"
	"net/http"
	"net/url"
	"os"

	_ "github.com/mattn/go-sqlite3"
	"github.com/rs/zerolog"
	"github.com/rs/zerolog/log"
)

var rctx = context.Background()
var config = loadConfig("./config.json")
var logger = log.Logger.Output(zerolog.ConsoleWriter{Out: os.Stderr})

var client = &http.Client{
	Transport: &http.Transport{
		Proxy: func(r *http.Request) (*url.URL, error) {
			if os.Getenv("PROXY") != "" {
				return url.Parse(os.Getenv("PROXY"))
			}
			return nil, nil
		},
	},
}

// Just a small handler to add headers on all responses
func middleware(next http.HandlerFunc) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "application/json")
		next(w, r)
	}
}

func main() {
	// s := &SevenTv{}
	// xd, _ := s.getPaints()
	// logger.Trace().Msg(xd)
	// redisDb := redis.NewClient(&redis.Options{
	// 	Addr: config.Redis.Addr,
	// 	DB:   config.Redis.DB,
	// })

	db, err := sql.Open("sqlite3", config.DbPath)
	if err != nil {
		logger.Fatal().Msg(err.Error())
	}
	defer db.Close()

	err = createDb(db)
	if err != nil {
		logger.Fatal().Msgf("Failed to create DB: '%s'", err.Error())
	}

	mux := http.NewServeMux()

	mux.HandleFunc("/", root)
	mux.HandleFunc("/badges", middleware(getAllBadges))
	mux.HandleFunc("/7tv/badges", middleware(getSevenTvBadges))
	mux.HandleFunc("/7tv/paints", middleware(getSevenTvPaints))
	// CONSIDERATION: github.com/gorilla/mux may be an option to make use of something like this:
	// mux.HandleFunc("/7tv/cosmetics/{user}", middleware(sevenTvUserCosmetics))
	// For now I will just trim the path
	mux.HandleFunc("/7tv/cosmetics/", middleware(sevenTvUserCosmetics))

	srv := &http.Server{
		Addr:    config.HTTPServer.Addr + ":" + config.HTTPServer.Port,
		Handler: mux,
	}

	logger.Info().Msgf("Starting server at http://%s:%s", config.HTTPServer.Addr, config.HTTPServer.Port)

	go func() {
		if err := srv.ListenAndServe(); err != nil {
			logger.Fatal().Msgf("Failed to start server: %s", err.Error())
		}
	}()

	logger.Info().Msgf("Server running at http://%s:%s", config.HTTPServer.Addr, config.HTTPServer.Port)
	select {}
}