<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use App\Http\Requests\Api\BrokenLinksIndexRequest;
use App\Models\Site;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

class LinkController extends Controller
{
    /**
     * Get broken links list for a site.
     */
    public function index(BrokenLinksIndexRequest $request, Site $site): JsonResponse
    {
        // Ensure the site belongs to the authenticated user
        if ($site->user_id !== $request->user()->id) {
            return response()->json([
                'message' => 'Unauthorized',
            ], 403);
        }

        $perPage = $request->input('per_page', 50);
        $perPage = min($perPage, 100); // Max 100 per page

        $brokenLinks = $site->brokenLinks()
            ->orderBy('last_checked_at', 'desc')
            ->paginate($perPage);

        return response()->json($brokenLinks);
    }

    /**
     * Get broken links statistics for a site.
     */
    public function stats(Request $request, Site $site): JsonResponse
    {
        // Ensure the site belongs to the authenticated user
        if ($site->user_id !== $request->user()->id) {
            return response()->json([
                'message' => 'Unauthorized',
            ], 403);
        }

        $totalBrokenLinks = $site->brokenLinks()->count();

        $statusCodeBreakdown = $site->brokenLinks()
            ->selectRaw('status_code, COUNT(*) as count')
            ->groupBy('status_code')
            ->orderBy('count', 'desc')
            ->get();

        return response()->json([
            'data' => [
                'total_broken_links' => $totalBrokenLinks,
                'status_code_breakdown' => $statusCodeBreakdown,
            ],
        ]);
    }
}