<?php

include_once 'lib/ghl/oauth2.php';
include_once 'config.php';
include_once 'project-model.php';


$config = MkdConfig::get_instance()->get_config();

$oauth = new GHLOAuth2($config);


Route::add('/ghl/authorize/([a-zA-Z0-9]+)', function ($id) use ($oauth) {
    check_login();

    $url = $oauth->getAuthorizationUrl();
    $redirect_uri = $_GET['redirect_uri'];
    $project = explode('p', $id)[0];
    $page = explode('p', $id)[1];
    $state = $project . '|' . $redirect_uri . '|' . $page;

    header('Location: ' . $url . '&state=' . $state);
    exit;
  }, 'get');


  Route::add('/ghl/callback', function () use ($oauth) {
    check_login();

    $code = $_GET['code'];
    $projectId = explode('|', $_GET['state'])[0] ?? 0;
    $redirect_uri = explode('|', $_GET['state'])[1] ?? '/admin/project'; 
    $page = explode('|', $_GET['state'])[2] ?? 1; 

    $token = $oauth->getAccessToken($code);
    if (!$token['success']) {
        header('Location:  ' . $redirect_uri . '?oauth_error=' . $token['error'] . '&page=' . $page);
        exit;
    }

    $projectModel = new ProjectModel();
    $data = [
        'access_token' => $token['data']['access_token'],
        'refresh_token' => $token['data']['refresh_token'],
        'token_expiry' => $token['data']['expires_in'],
    ];
    $projectModel->edit($data, $projectId);

    // $page = guessProjectPage($projectId);


    header('Location:  ' . $redirect_uri . '?oauth_success=true&page=' . $page);
    exit;
  }, 'get');


  function guessProjectPage($projectId, $limit = 15) {
    $projectModel = new ProjectModel();
    
    // Get the project to find its position
    $project = $projectModel->get($projectId);
    
    if ($project) {
        // Use the same parameters as the listing page would use
        $parameters = [];
        
        // Get all projects with higher IDs (which come before in DESC order)
        $parameters[] = "id > " . $projectId;
        $projectsBefore = $projectModel->count($parameters);
        
        // Add 1 to account for current page
        $pageNumber = floor($projectsBefore / $limit) + 1;
        
        return $pageNumber;
    }
    
    return 1; // Default to first page if project not found
  }