package controllers

import (
	"errors"
	"fmt"
	"time"

	"git.readonly.ch/bouzoure/popvaud-people/helpers"
	"git.readonly.ch/bouzoure/popvaud-people/models"
	"github.com/gofiber/fiber/v2"
	"gorm.io/gorm"
)

func LoginForm(c *fiber.Ctx) error {
	return c.Render("login", fiber.Map{
		"PageTitle": "Connexion",
	}, "layouts/main")
}

func LoginProcess(c *fiber.Ctx) error {
	sess, err := helpers.GetSessionStore(c)
	if err != nil {
		return err
	}

	db, err := helpers.GetDatabase()
	if err != nil {
		return err
	}

	email := c.FormValue("email")
	password := c.FormValue("password")

	var user models.User
	result := db.First(
		&user,
		"LOWER(email) = LOWER(?) AND (disabled_at IS NULL OR disabled_at <= ?)",
		email,
		time.Now(),
	)

	allowLogin := false
	if result.Error != nil && !errors.Is(result.Error, gorm.ErrRecordNotFound) {
		return err
	} else {
		allowLogin = helpers.CheckPasswordHash(password, user.Password)
	}

	if !allowLogin {
		return c.Render("login", fiber.Map{
			"PageTitle":  "Connexion",
			"LoginError": "Email ou mot de passe incorrect",
		}, "layouts/main")
	}

	sess.Set("userid", user.ID)
	sess.Save()

	redirectId := c.Query("redirect")
	redirectUrl := "/"

	if len(redirectId) > 0 {
		redirectKey := fmt.Sprintf("redirect-%s", redirectId)
		redirectVal := sess.Get(redirectKey)

		if redirectVal != nil {
			redirectUrl = redirectVal.(string)
		}
	}

	return c.Redirect(redirectUrl)
}