package controller

import (
	"math"
	"strings"

	validation "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/stock-logs/validations"
	stockLogDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/stock-logs/dto"
	stockLogService "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/stock-logs/services"
	"gitlab.com/mbugroup/lti-api.git/internal/response"

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

type StockLogController struct {
	StockLogService stockLogService.StockLogService
}

func NewStockLogController(s stockLogService.StockLogService) *StockLogController {
	return &StockLogController{
		StockLogService: s,
	}
}

func (u *StockLogController) GetAll(c *fiber.Ctx) error {
	query := &validation.Query{
		Page:               c.QueryInt("page", 1),
		Limit:              c.QueryInt("limit", 10),
		ProductWarehouseID: uint(c.QueryInt("product_warehouse_id", 0)),
	}

	if query.Page < 1 || query.Limit < 1 {
		return fiber.NewError(fiber.StatusBadRequest, "page and limit must be greater than 0")
	}

	// Export to Excel
	if strings.EqualFold(strings.TrimSpace(c.Query("export")), "excel") {
		if query.ProductWarehouseID == 0 {
			return fiber.NewError(fiber.StatusBadRequest, "product_warehouse_id is required for export")
		}
		results, err := u.StockLogService.GetAllForExport(c, query.ProductWarehouseID)
		if err != nil {
			return err
		}
		return exportStockLogListExcel(c, results)
	}

	result, totalResults, err := u.StockLogService.GetAll(c, query)
	if err != nil {
		return err
	}

	return c.Status(fiber.StatusOK).
		JSON(response.SuccessWithPaginate[stockLogDTO.StockLogListDTO]{
			Code:    fiber.StatusOK,
			Status:  "success",
			Message: "Get all stock logs successfully",
			Meta: response.Meta{
				Page:         query.Page,
				Limit:        query.Limit,
				TotalPages:   int64(math.Ceil(float64(totalResults) / float64(query.Limit))),
				TotalResults: totalResults,
			},
			Data: stockLogDTO.ToStockLogListDTOs(result),
		})
}