package pkg

import (
	"context"
	"html/template"
	"log"
	"net/http"

	"github.com/jackc/pgx/v4/pgxpool"
)

func NewRouter(db *pgxpool.Pool) http.Handler {
	router := http.NewServeMux()
	router.HandleFunc("/login", func(w http.ResponseWriter, r *http.Request) {
		r.ParseForm()

		email := r.FormValue("email")
		password := r.FormValue("password")
		var role string
		if _, err := db.Exec(context.Background(), "select set_config('search_path', 'numerus, public', false)"); err != nil {
			log.Printf("ERROR - %s", err.Error())
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		err := db.QueryRow(context.Background(), "select login($1, $2)", email, password).Scan(&role)
		if err != nil {
			log.Printf("ERROR - %s", err.Error())
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		w.WriteHeader(http.StatusOK)
		w.Write([]byte(role))
	})
	router.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		t, err := template.ParseFiles("web/template/index.html")
		if err != nil {
			log.Printf("ERROR - %s", err.Error())
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		err = t.Execute(w, nil)
		if err != nil {
			log.Printf("ERROR - %s", err.Error())
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
	})
	var handler http.Handler = router
	handler = Logger(handler)
	return handler
}