package handler

import (
	"baron-sso-backend/internal/service"
	"log/slog"

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

type OrgChartHandler struct {
	Service service.OrgChartService
}

func NewOrgChartHandler(s service.OrgChartService) *OrgChartHandler {
	return &OrgChartHandler{Service: s}
}

func (h *OrgChartHandler) ImportCSV(c *fiber.Ctx) error {
	tenantID := c.Params("tenantId")
	if tenantID == "" {
		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "tenantId is required"})
	}

	file, err := c.FormFile("file")
	if err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "failed to get file from form"})
	}

	f, err := file.Open()
	if err != nil {
		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "failed to open file"})
	}
	defer f.Close()

	if err := h.Service.ImportCSV(c.Context(), tenantID, f); err != nil {
		slog.Error("Failed to import CSV", "error", err, "tenantID", tenantID)
		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": err.Error()})
	}

	return c.JSON(fiber.Map{"message": "Import completed successfully"})
}