package main

import (
    "github.com/gin-gonic/gin"
    "gorm.io/gorm"
    "log/slog"
    "os"
) 

// Environment type is used with route methods
// So that we can easily inject/contain context data like DB connections
type Env struct {
	db *gorm.DB
}

// Grab some required spotify credentials from the environment
var spotifyClientID = os.Getenv("SPOTIFY_ID")
var spotifyClientSecret = os.Getenv("SPOTIFY_SECRET")

func setupRouter(env *Env, spotifyID string, spotifySecret string) *gin.Engine {
    var r *gin.Engine = gin.Default()
	r.Use(spotifyAuth(spotifyID, spotifySecret))
    r.GET("/alive", env.alive)
    r.GET("/artists/:artistID", env.getArtistByID)
    return r
}

func main() {
    // If the auth/ID variables are empty something is probably misconfigured
    if spotifyClientID == "" {
        slog.Warn("[GOMUSIC] No Spotify ID configured in 'SPOTIFY_ID' environment variable")
    }
    if spotifyClientSecret == "" {
        slog.Warn("[GOMUSIC] No Spotify secret configured in 'SPOTIFY_SECRET' environment variable")
    }

	var db = setupDatabase()
	env := &Env{db: db}
    
	// Router/middleware and server setup
    r := setupRouter(env, spotifyClientID, spotifyClientSecret)
    r.Run(":8000")
}