package controllers

import (
	"github.com/gofiber/fiber/v2"
	"github.com/pahmiudahgede/senggoldong/dto"
	"github.com/pahmiudahgede/senggoldong/internal/services"
	"github.com/pahmiudahgede/senggoldong/utils"
)

func GetAllProducts(c *fiber.Ctx) error {
	userID, ok := c.Locals("userID").(string)
	if !ok || userID == "" {
		return c.Status(fiber.StatusUnauthorized).JSON(utils.FormatResponse(
			fiber.StatusUnauthorized,
			"Unauthorized: user ID is missing",
			nil,
		))
	}

	limit := c.QueryInt("limit", 0)
	page := c.QueryInt("page", 1)

	if limit < 0 || page <= 0 {
		return c.Status(fiber.StatusBadRequest).JSON(utils.FormatResponse(
			fiber.StatusBadRequest,
			"Invalid pagination parameters",
			nil,
		))
	}

	products, err := services.GetProductsByUserID(userID, limit, page)
	if err != nil {
		return c.Status(fiber.StatusInternalServerError).JSON(utils.FormatResponse(
			fiber.StatusInternalServerError,
			"Failed to fetch products",
			nil,
		))
	}

	return c.Status(fiber.StatusOK).JSON(utils.FormatResponse(
		fiber.StatusOK,
		"Products fetched successfully",
		products,
	))
}

func GetProductByID(c *fiber.Ctx) error {
	userID, ok := c.Locals("userID").(string)
	if !ok || userID == "" {
		return c.Status(fiber.StatusUnauthorized).JSON(utils.FormatResponse(
			fiber.StatusUnauthorized,
			"Unauthorized: user ID is missing",
			nil,
		))
	}

	productID := c.Params("productid")
	if productID == "" {
		return c.Status(fiber.StatusBadRequest).JSON(utils.FormatResponse(
			fiber.StatusBadRequest,
			"Product ID is required",
			nil,
		))
	}

	product, err := services.GetProductByIDAndUserID(productID, userID)
	if err != nil {
		return c.Status(fiber.StatusNotFound).JSON(utils.FormatResponse(
			fiber.StatusNotFound,
			"Product not found",
			nil,
		))
	}

	return c.Status(fiber.StatusOK).JSON(utils.FormatResponse(
		fiber.StatusOK,
		"Product fetched successfully",
		product,
	))
}

func CreateProduct(c *fiber.Ctx) error {
	var input dto.CreateProductRequestDTO
	if err := c.BodyParser(&input); err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(utils.FormatResponse(
			fiber.StatusBadRequest,
			"lengkapi data dengan benar",
			nil,
		))
	}

	userID, ok := c.Locals("userID").(string)
	if !ok || userID == "" {
		return c.Status(fiber.StatusUnauthorized).JSON(utils.FormatResponse(
			fiber.StatusUnauthorized,
			"Unauthorized: user ID is missing",
			nil,
		))
	}

	product, err := services.CreateProduct(input, userID)
	if err != nil {
		return c.Status(fiber.StatusUnprocessableEntity).JSON(utils.FormatResponse(
			fiber.StatusUnprocessableEntity,
			err.Error(),
			nil,
		))
	}

	return c.Status(fiber.StatusCreated).JSON(utils.FormatResponse(
		fiber.StatusCreated,
		"Product created successfully",
		product,
	))
}