package handler

import (
	"BE-MiniERP/database"
	"BE-MiniERP/modules/inventory/models"
	"BE-MiniERP/modules/inventory/repository"
	"time"

	"github.com/gofiber/fiber/v2"
)

type StockMovementHandler struct {
	Repo *repository.StockMovementRepository
}

func NewStockMovementHandler() *StockMovementHandler {
	return &StockMovementHandler{
		Repo: repository.NewStockMovementRepository(database.DB),
	}
}

func (h *StockMovementHandler) GetAll(c *fiber.Ctx) error {
	page := c.QueryInt("page", 1)
	limit := c.QueryInt("limit", 10) // default 10
	offset := (page - 1) * limit
	search := c.Query("search", "")
	productID := c.QueryInt("product_id", 0)
	dateStr := c.Query("date", "")
	originID := c.QueryInt("origin_id", 0)
	destinationID := c.QueryInt("destination_id", 0)

	var selectedDate time.Time
	var err error

	if dateStr != "" {
		selectedDate, err = time.Parse("2006-01-02", dateStr)
		if err != nil {
			return c.Status(400).JSON(fiber.Map{
				"error": "Invalid date format. Use YYYY-MM-DD",
			})
		}
	}

	data, err := h.Repo.FindAll(
		page, limit, offset,
		search,
		uint(productID), uint(originID), uint(destinationID),
		selectedDate,
	)

	if err != nil {
		return c.Status(500).JSON(fiber.Map{"error": "Failed to fetch stock movements"})
	}
	return c.JSON(data)
}

func (h *StockMovementHandler) Create(c *fiber.Ctx) error {
	var input models.StockMovement
	if err := c.BodyParser(&input); err != nil {
		return c.Status(400).JSON(fiber.Map{"error": "Invalid input"})
	}

	if err := h.Repo.Create(&input); err != nil {
		return c.Status(500).JSON(fiber.Map{"error": "Failed to create stock movement"})
	}

	return c.JSON(input)
}