package scraper

import (
	"tm/pkg/response"

	"github.com/labstack/echo/v4"
)

// Handler handles HTTP requests for scraper operations
type Handler struct {
	service Service
}

// NewHandler creates a new scraper handler
func NewHandler(service Service) *Handler {
	return &Handler{
		service: service,
	}
}

// ScrapeDocuments handles document scraping requests
// @Summary Scrape documents from external source
// @Description Scrapes documents from TendSign and uploads them to MinIO storage
// @Tags Admin-Scraper
// @Accept json
// @Produce json
// @Param request body ScrapeRequestForm true "Scraping request information"
// @Success 200 {object} response.Response{data=ScrapeResponse}
// @Failure 400 {object} response.Response
// @Failure 500 {object} response.Response
// @Router /admin/v1/scraper/download [post]
func (h *Handler) ScrapeDocuments(c echo.Context) error {
	form, err := response.Parse[ScrapeRequestForm](c)
	if err != nil {
		return response.ValidationError(c, "Invalid request data", err.Error())
	}

	result, err := h.service.ScrapeDocuments(c.Request().Context(), form)
	if err != nil {
		return response.InternalServerError(c, "Failed to scrape documents")
	}

	return response.Success(c, result, "Documents scraped and uploaded successfully")
}

// TriggerTEDOneTimeScraping handles TED one-time scraping requests
// @Summary Trigger TED one-time scraping
// @Description Starts TED one-time scraping for the specified date range. The operation runs asynchronously; check logs for progress.
// @Tags Admin-Scraper
// @Accept json
// @Produce json
// @Param request body TEDOneTimeScrapeForm true "Date range for scraping (DD/MM/YYYY)"
// @Success 202 {object} response.APIResponse "TED scraping started"
// @Failure 400 {object} response.APIResponse "Invalid date format or range"
// @Failure 500 {object} response.APIResponse "TED scraping not configured"
// @Security BearerAuth
// @Router /admin/v1/scraper/ted/one-time [post]
func (h *Handler) TriggerTEDOneTimeScraping(c echo.Context) error {
	form, err := response.Parse[TEDOneTimeScrapeForm](c)
	if err != nil {
		return response.ValidationError(c, "Invalid request data", err.Error())
	}

	err = h.service.TriggerTEDOneTimeScraping(c.Request().Context(), form)
	if err != nil {
		return response.BadRequest(c, err.Error(), "")
	}

	return response.Accepted(c, map[string]string{
		"message": "TED one-time scraping started. Check logs for progress.",
	}, "TED one-time scraping started")
}