package handler

import (
	"BE-MiniERP/database"
	"BE-MiniERP/modules/sales/models"
	"BE-MiniERP/modules/sales/repository"
	"strconv"

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

type InvoiceHandler struct {
	Repo *repository.InvoiceRepository
}

func NewInvoiceHandler() *InvoiceHandler {
	return &InvoiceHandler{
		Repo: repository.NewInvoiceRepository(database.DB),
	}
}

func (h *InvoiceHandler) GetAll(c *fiber.Ctx) error {
	result, err := h.Repo.FindAll()
	if err != nil {
		return c.Status(500).JSON(fiber.Map{"error": "Failed to fetch invoices"})
	}
	return c.JSON(result)
}

func (h *InvoiceHandler) Create(c *fiber.Ctx) error {
	var input models.Invoice
	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 invoice"})
	}
	return c.JSON(input)
}

func (h *InvoiceHandler) Update(c *fiber.Ctx) error {
	id, _ := strconv.Atoi(c.Params("id"))
	var input models.Invoice
	if err := c.BodyParser(&input); err != nil {
		return c.Status(400).JSON(fiber.Map{"error": "Invalid input"})
	}
	if err := h.Repo.Update(uint(id), &input); err != nil {
		return c.Status(500).JSON(fiber.Map{"error": "Failed to update invoice"})
	}
	return c.JSON(fiber.Map{"message": "Updated"})
}

func (h *InvoiceHandler) Delete(c *fiber.Ctx) error {
	id, _ := strconv.Atoi(c.Params("id"))
	if err := h.Repo.Delete(uint(id)); err != nil {
		return c.Status(500).JSON(fiber.Map{"error": "Failed to delete invoice"})
	}
	return c.JSON(fiber.Map{"message": "Deleted"})
}