/*
 * This file is part of laurelin_api
 * Copyright (C) 2023 Jonni Liljamo <jonni@liljamo.com>
 *
 * Licensed under GPL-3.0-only.
 * See LICENSE for licensing information.
 */

package handlers

import (
	"api/apierror"
	"api/db"
	"api/models"
	"net/http"
	"net/mail"

	"github.com/gin-gonic/gin"
)

func CreateUser(c *gin.Context) {
	var input models.UserCreateInput
	if err := c.ShouldBindJSON(&input); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": apierror.InvalidInput})
		c.Abort()
		return
	}

	// check username
	if len(input.Username) < 3 {
		c.JSON(http.StatusBadRequest, gin.H{"error": apierror.UsernameTooShort})
		c.Abort()
		return
	}

	// check email
	_, mailErr := mail.ParseAddress(input.Email)
	if mailErr != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": apierror.EmailInvalid})
		c.Abort()
		return
	}

	// check password
	if len(input.Password) < 8 {
		c.JSON(http.StatusBadRequest, gin.H{"error": apierror.PasswordTooShort})
		c.Abort()
		return
	}

	var user models.User
	user.Username = input.Username
	user.Email = input.Email
	user.Password = input.Password

	if err := user.HashPwd(user.Password); err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": apierror.PasswordHashFailed})
		c.Abort()
		return
	}

	entry := db.DbConn.Create(&user)
	if entry.Error != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": apierror.UserCreationFailed})
		c.Abort()
		return
	}

	c.JSON(http.StatusCreated, user.ToPub())
}