package handler

import (
	"encoding/json"
	"net/http"
	"strconv"

	meilisearch "github.com/felipemarinho97/torrent-indexer/search"
)

// MeilisearchHandler handles HTTP requests for Meilisearch integration.
type MeilisearchHandler struct {
	Module *meilisearch.SearchIndexer
}

// NewMeilisearchHandler creates a new instance of MeilisearchHandler.
func NewMeilisearchHandler(module *meilisearch.SearchIndexer) *MeilisearchHandler {
	return &MeilisearchHandler{Module: module}
}

// SearchTorrentHandler handles the searching of torrent items.
func (h *MeilisearchHandler) SearchTorrentHandler(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodGet {
		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
		return
	}

	query := r.URL.Query().Get("q")
	if query == "" {
		http.Error(w, "Query parameter 'q' is required", http.StatusBadRequest)
		return
	}

	limitStr := r.URL.Query().Get("limit")
	limit := 10 // Default limit
	if limitStr != "" {
		var err error
		limit, err = strconv.Atoi(limitStr)
		if err != nil || limit <= 0 {
			http.Error(w, "Invalid limit parameter", http.StatusBadRequest)
			return
		}
	}

	results, err := h.Module.SearchTorrent(query, limit)
	if err != nil {
		http.Error(w, "Failed to search torrents", http.StatusInternalServerError)
		return
	}

	w.Header().Set("Content-Type", "application/json")
	if err := json.NewEncoder(w).Encode(results); err != nil {
		http.Error(w, "Failed to encode response", http.StatusInternalServerError)
	}
}