package main

import (
	"database/sql"
	"fmt"
	"net/http"
	"os"

	ctrlrs "git.kealoha.me/lks/lenslocked/controllers"
	"git.kealoha.me/lks/lenslocked/models"
	"github.com/go-chi/chi/v5"
	"github.com/gorilla/csrf"

	"github.com/go-chi/chi/v5/middleware"
	_ "github.com/jackc/pgx/v4/stdlib"
)

const DEBUG bool = true

func notFoundHandler(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "text/html; charset=utf8")
	w.WriteHeader(http.StatusNotFound)
	fmt.Fprint(w, "404 page not found")
}

func ConnectDB() *sql.DB {
	db, err := sql.Open("pgx", os.Getenv("LENSLOCKED_DB_STRING"))
	if err != nil {
		panic(fmt.Sprint("Error connecting to database: %w", err))
	}
	err = db.Ping()
	if err != nil {
		panic(fmt.Sprint("Error connecting to database: %w", err))
	}
	return db
}

func main() {
	csrfKey := []byte(os.Getenv("LENSLOCKED_CSRF_KEY"))
	if len(csrfKey) < 32 {
		panic("Error: bad csrf protection key\nPlease set a key with the LENSLOCKED_CSRF_KEY env var.")
	}

	db := ConnectDB()
	defer db.Close()

	userService := models.UserService{DB: db}
	sessionService := models.SessionService{DB: db}
	var usersCtrlr ctrlrs.Users = ctrlrs.Default(&userService, &sessionService)

	r := chi.NewRouter()

	r.Use(middleware.Logger)

	r.Get("/", ctrlrs.StaticController("home.gohtml", "tailwind.gohtml"))
	r.Get("/contact", ctrlrs.StaticController("contact.gohtml", "tailwind.gohtml"))
	r.Get("/faq", ctrlrs.FAQ("faq.gohtml", "tailwind.gohtml"))

	r.Get("/signup", usersCtrlr.GetSignup)
	r.Post("/signup", usersCtrlr.PostSignup)
	r.Get("/signin", usersCtrlr.GetSignin)
	r.Post("/signin", usersCtrlr.PostSignin)

	r.Get("/user", usersCtrlr.CurrentUser)

	r.NotFound(notFoundHandler)
	fmt.Println("Starting the server on :3000...")
	http.ListenAndServe(":3000", csrf.Protect(csrfKey, csrf.Secure(!DEBUG))(r))
}