<?php

namespace App\Controllers\Admin;

use App\Controllers\Controller;
use App\Core\Request;
use App\Core\Response;
use App\Services\Database\Connection;
use App\Services\Crawler\Collector;
use PDO;
use Throwable;

class SourcesController extends Controller
{
    private PDO $pdo;
    private Collector $collector;

    public function __construct(Connection $connection, Collector $collector)
    {
        parent::__construct();
        $this->pdo = $connection->getPdo();
        $this->collector = $collector;
    }

    public function index(Request $request, Response $response): string
    {
        $sources = $this->collector->getActiveSources();
        // Also get inactive ones
        $stmt = $this->pdo->query("SELECT * FROM sources ORDER BY status, name");
        $allSources = $stmt->fetchAll();
        return $this->render('admin/sources/index', ['sources' => $allSources], 'admin');
    }

    public function create(Request $request, Response $response): string
    {
        return $this->render('admin/sources/form', ['source' => null], 'admin');
    }

    public function edit(Request $request, Response $response, int $id): string
    {
        $stmt = $this->pdo->prepare("SELECT * FROM sources WHERE id = ?");
        $stmt->execute([$id]);
        $source = $stmt->fetch();
        if (!$source) { $response->redirect('/admin/sources'); return ''; }
        return $this->render('admin/sources/form', ['source' => $source], 'admin');
    }

    public function store(Request $request, Response $response): void
    {
        $id = $request->post('id', '');
        $name = $request->post('name', '');
        $url = $request->post('url', '');
        $type = $request->post('type', 'rss');
        $status = $request->post('status', 'active');

        try {
            if ($id) {
                $stmt = $this->pdo->prepare("UPDATE sources SET name=?, url=?, type=?, status=? WHERE id=?");
                $stmt->execute([$name, $url, $type, $status, $id]);
            } else {
                $stmt = $this->pdo->prepare("INSERT INTO sources (name, url, type, status) VALUES (?, ?, ?, ?)");
                $stmt->execute([$name, $url, $type, $status]);
            }
            $this->session->setFlash('success', 'Source saved.');
        } catch (Throwable $e) {
            $this->session->setFlash('error', 'Error: ' . $e->getMessage());
        }
        $response->redirect('/admin/sources');
    }

    public function delete(Request $request, Response $response, int $id): void
    {
        $this->pdo->prepare("DELETE FROM sources WHERE id = ?")->execute([$id]);
        $this->session->setFlash('success', 'Source deleted.');
        $response->redirect('/admin/sources');
    }

    public function run(Request $request, Response $response): void
    {
        $id = (int)$request->routeParam('id');
        $stmt = $this->pdo->prepare("SELECT * FROM sources WHERE id = ?");
        $stmt->execute([$id]);
        $source = $stmt->fetch();
        if (!$source) { $this->session->setFlash('error', 'Source not found.'); $response->redirect('/admin/sources'); return; }

        try {
            $result = $this->collector->collectSource($source);
            $this->session->setFlash('success', "Collected {$result['entries_found']} entries, {$result['opportunities']} new opportunities.");
        } catch (Throwable $e) {
            $this->session->setFlash('error', 'Collection error: ' . $e->getMessage());
        }
        $response->redirect('/admin/sources');
    }
}