/* openbills - Server for web based Libre Billing Software
 * Copyright (C) 2023  Vidhu Kant Sharma <vidhukant@vidhukant.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

package auth

import (
	"vidhukant.com/openbills/user"
	"golang.org/x/crypto/bcrypt"
	"github.com/spf13/viper"
	"github.com/gin-gonic/gin"
	"net/http"
)

var COST int
func init() {
	COST = viper.GetInt("cryptography.password_hashing_cost")
}

func handleSignUp (ctx *gin.Context) {
	var user user.User
	ctx.Bind(&user)

	var err error

	// hash password
	var bytes []byte
	bytes, err = bcrypt.GenerateFromPassword([]byte(user.Password), 14)
	if err != nil {
		// TODO: handle potential errors
		ctx.Error(err)
		ctx.Abort()
		return
	}
	user.Password = string(bytes)

	err = user.Create()
	if err != nil {
		ctx.Error(err)
		ctx.Abort()
		return
	}

	ctx.JSON(http.StatusOK, gin.H{
		"message": "success",
		"data": user,
	})
}

func handleSignIn (ctx *gin.Context) {
	var u user.User
	ctx.Bind(&u)

	var err error

	err = user.CheckPassword(u.ID, u.Password)
	if err != nil {
		// TODO: handle potential errors
		ctx.Error(err)
		ctx.Abort()
		return
	}

	ctx.JSON(http.StatusOK, gin.H{
		"message": "success",
		"data": u,
	})
}