package controllers

import (
	"pagoda/config"
	"pagoda/database"

	"github.com/gofiber/fiber/v2"
	"golang.org/x/crypto/bcrypt"
)

func Register(c *fiber.Ctx) error {
	var user database.User

	if err := c.BodyParser(&user); err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(config.ErrorResponse{
			Code:    fiber.StatusBadRequest,
			Message: errorMessages.InvalidRequestBody,
		})
	}

	if user.Username == "" || user.Email == "" || user.Password == "" {
		return c.Status(fiber.StatusBadRequest).JSON(config.ErrorResponse{
			Code:    fiber.StatusBadRequest,
			Message: errorMessages.MissingUserRegistrationRequiredFields,
		})
	}

	hashedPassword, err := bcrypt.GenerateFromPassword([]byte(user.Password), bcrypt.DefaultCost)
	if err != nil {
		return c.Status(fiber.StatusInternalServerError).JSON(config.ErrorResponse{
			Code:    fiber.StatusInternalServerError,
			Message: errorMessages.FailedToHashPassword,
		})
	}

	user.Password = string(hashedPassword)

	if err := database.Database.Create(&user).Error; err != nil {
		return c.Status(fiber.StatusNotAcceptable).JSON(config.ErrorResponse{
			Code:    fiber.StatusNotAcceptable,
			Message: errorMessages.SQLError(err),
		})
	}

	return c.Status(fiber.StatusCreated).JSON(config.SuccessResponse{
		Code:    fiber.StatusCreated,
		Message: successMessages.UserCreatedSuccessfully,
		Data:    user,
	})
}