<?php
// dashboard.php

// Gemeinsame Datenbank-Verbindungskonfiguration
$host    = 'localhost';
$db      = 'web35_vysion';
$user    = 'vysion_api';
$pass    = '7e0pn9~2Z';
$charset = 'utf8mb4';
$dsn = "mysql:host=$host;dbname=$db;charset=$charset";
$options = [
  PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
  PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
];

try {
    $pdo = new PDO($dsn, $user, $pass, $options);
} catch (PDOException $e) {
    header('Content-Type: application/json');
    echo json_encode(['error' => 'Database connection failed: ' . $e->getMessage()]);
    exit;
}

// Bearer Token für Mastodon-API (falls benötigt – hier nicht direkt in diesem File)
$bearerToken = 'your_bearer_token_here';

// Falls eine AJAX-Anfrage vorliegt, wird über den Parameter "action" unterschieden.
if (isset($_POST['action'])) {
    $action = $_POST['action'];
    header('Content-Type: application/json');
    
    if ($action === 'save_hashtags') {
        // Erwartet ein Array "hashtags" (JSON-dekodiert via AJAX)
        $hashtags = isset($_POST['hashtags']) ? $_POST['hashtags'] : [];
        $response = ['saved' => 0, 'updated' => 0];
        
        foreach ($hashtags as $row) {
            // Falls eine ID vorhanden ist, update ansonsten insert
            if (isset($row['hashtag_id']) && !empty($row['hashtag_id'])) {
                // Update vorhandener Eintrag
                $stmt = $pdo->prepare("UPDATE hashtags SET hashtag = :hashtag, active = :active WHERE hashtag_id = :hashtag_id");
                $stmt->execute([
                    'hashtag'    => $row['hashtag'],
                    'active'     => !empty($row['active']) ? 1 : 0,
                    'hashtag_id' => $row['hashtag_id']
                ]);
                $response['updated']++;
            } else {
                // Insert neuer Eintrag
                $stmt = $pdo->prepare("INSERT INTO hashtags (hashtag, active) VALUES (:hashtag, :active)");
                $stmt->execute([
                    'hashtag' => $row['hashtag'],
                    'active'  => !empty($row['active']) ? 1 : 0
                ]);
                $response['saved']++;
            }
        }
        echo json_encode($response);
        exit;
    } elseif ($action === 'save_accounts') {
        // Erwartet ein Array "accounts" (JSON)
        $accounts = isset($_POST['accounts']) ? $_POST['accounts'] : [];
        $response = ['updated' => 0];
        
        foreach ($accounts as $row) {
            // Aktualisiere den active-Status in der Tabelle "users"
            // Annahme: Tabelle "users" hat die Spalten: acc_id, username, active
            $stmt = $pdo->prepare("UPDATE users SET active = :active WHERE acc_id = :acc_id");
            $stmt->execute([
                'active' => !empty($row['active']) ? 1 : 0,
                'acc_id' => $row['acc_id']
            ]);
            $response['updated']++;
        }
        echo json_encode($response);
        exit;
    } elseif ($action === 'sync_accounts') {
        // Synchronisation: Aus der findings-Tabelle werden alle getrackten Accounts (acc_id, username) ermittelt
        // Für jeden Account, der noch nicht in der "users"-Tabelle existiert, erfolgt ein Insert mit active=0
        $stmt = $pdo->query("SELECT DISTINCT acc_id, username FROM findings");
        $tracked = $stmt->fetchAll();
        
        foreach ($tracked as $acc) {
            // Prüfen, ob der Account bereits in der users-Tabelle existiert
            $checkStmt = $pdo->prepare("SELECT COUNT(*) as cnt FROM users WHERE acc_id = :acc_id");
            $checkStmt->execute(['acc_id' => $acc['acc_id']]);
            $exists = $checkStmt->fetch();
            if ($exists['cnt'] == 0) {
                // Neuer Account – unaktiv in die Tabelle schreiben
                $insertStmt = $pdo->prepare("INSERT INTO users (acc_id, username, active) VALUES (:acc_id, :username, 0)");
                $insertStmt->execute([
                    'acc_id'   => $acc['acc_id'],
                    'username' => $acc['username']
                ]);
            }
        }
        // Nun alle Accounts aus der users-Tabelle abrufen
        $stmt = $pdo->query("SELECT acc_id, username, active FROM users ORDER BY username ASC");
        $accountsList = $stmt->fetchAll();
        echo json_encode($accountsList);
        exit;
    }
    // Weitere Aktionen können hier ergänzt werden
    exit;
}

// Wenn kein "action" gesetzt ist, wird der HTML-Teil (Dashboard) ausgegeben.
// Der Konfigbereich ist über den Parameter "setup" erreichbar.
?>
<!DOCTYPE html>
<html lang="de">
<head>
  <meta charset="UTF-8">
  <title>Dashboard & Konfiguration</title>
  <!-- jQuery einbinden -->
  <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
  <style>
    table { border-collapse: collapse; width: 100%; margin-bottom: 1em; }
    th, td { border: 1px solid #ccc; padding: 5px; text-align: left; }
    .error { color: red; }
    .config-section { margin-bottom: 2em; padding: 1em; border: 1px solid #ddd; }
    .config-section h2 { margin-top: 0; }
  </style>
</head>
<body>
  <h1>Dashboard - Konfigurationsbereich</h1>
  <!-- Zeitraum Konfiguration -->
  <div class="config-section" id="zeitraum-config">
    <h2>Zeitraum definieren (von - bis)</h2>
    <label for="von">Von:</label>
    <input type="datetime-local" id="von" name="von">
    <label for="bis">Bis:</label>
    <input type="datetime-local" id="bis" name="bis">
  </div>
  
  <!-- Hashtag Konfiguration -->
  <div class="config-section" id="hashtag-config">
    <h2>Hashtags</h2>
    <table id="hashtag-table">
      <thead>
        <tr>
          <th>Hashtag</th>
          <th>Aktiv</th>
        </tr>
      </thead>
      <tbody>
        <?php
          // Lade alle Hashtags aus der Datenbank (nur aktive ? oder alle)
          $stmt = $pdo->query("SELECT hashtag_id, hashtag, active FROM hashtags ORDER BY hashtag ASC");
          while ($row = $stmt->fetch()) {
              echo "<tr data-id=\"{$row['hashtag_id']}\">";
              echo "<td><input type=\"text\" class=\"hashtag-text\" value=\"" . htmlspecialchars($row['hashtag']) . "\"></td>";
              $checked = ($row['active'] == 1) ? "checked" : "";
              echo "<td><input type=\"checkbox\" class=\"hashtag-active\" $checked></td>";
              echo "</tr>";
          }
        ?>
      </tbody>
    </table>
    <button id="add-hashtag">+1</button>
    <button id="save-hashtags" disabled>Speichern</button>
  </div>
  
  <!-- Account Konfiguration -->
  <div class="config-section" id="account-config">
    <h2>Getrackte Accounts</h2>
    <div>
      <label for="sync-interval">Sync Intervall (Sekunden):</label>
      <input type="text" id="sync-interval" value="30" size="3">
      <label for="autosync">Autosync</label>
      <input type="checkbox" id="autosync" checked>
    </div>
    <table id="account-table">
      <thead>
        <tr>
          <th>Acc_ID</th>
          <th>Username</th>
          <th>Aktiv</th>
        </tr>
      </thead>
      <tbody>
        <!-- Die Tabelle wird per AJAX befüllt -->
      </tbody>
    </table>
    <button id="save-accounts" disabled>Speichern</button>
  </div>
  
  <script>
    $(document).ready(function(){
      var hashtagChanged = false;
      var accountChanged = false;
      var autosyncTimer;
      
      // Markiere Änderung in der Hashtag-Tabelle
      $('#hashtag-table').on('input change', 'input', function(){
        hashtagChanged = true;
        $('#save-hashtags').prop('disabled', false);
      });
      
      // +1 Button: Fügt eine neue Zeile ein (ohne ID, active standardmäßig false)
      $('#add-hashtag').click(function(){
        var newRow = '<tr data-id="">' +
                        '<td><input type="text" class="hashtag-text" value=""></td>' +
                        '<td><input type="checkbox" class="hashtag-active"></td>' +
                     '</tr>';
        $('#hashtag-table tbody').append(newRow);
        hashtagChanged = true;
        $('#save-hashtags').prop('disabled', false);
      });
      
      // Speichern-Button für Hashtags
      $('#save-hashtags').click(function(){
        var hashtags = [];
        $('#hashtag-table tbody tr').each(function(){
          var id = $(this).data('id');
          var text = $(this).find('.hashtag-text').val().trim();
          var active = $(this).find('.hashtag-active').is(':checked') ? 1 : 0;
          if(text !== ""){
            hashtags.push({hashtag_id: id, hashtag: text, active: active});
          }
        });
        $.ajax({
          url: 'dashboard.php',
          type: 'POST',
          dataType: 'json',
          data: { action: 'save_hashtags', hashtags: hashtags },
          success: function(resp){
            alert('Hashtags gespeichert: Neu ' + resp.saved + ', Aktualisiert ' + resp.updated);
            hashtagChanged = false;
            $('#save-hashtags').prop('disabled', true);
            // Seite neu laden oder Tabelle aktualisieren
            location.reload();
          }
        });
      });
      
      // Funktion zum Laden der Accounts (sync)
      function loadAccounts(){
        $.ajax({
          url: 'dashboard.php',
          type: 'POST',
          dataType: 'json',
          data: { action: 'sync_accounts' },
          success: function(accounts){
            var tbody = $('#account-table tbody');
            tbody.empty();
            $.each(accounts, function(i, acc){
              var checked = (acc.active == 1) ? 'checked' : '';
              tbody.append('<tr data-id="'+acc.acc_id+'"><td>'+acc.acc_id+'</td><td>'+acc.username+'</td><td><input type="checkbox" class="account-active" '+checked+'></td></tr>');
            });
          }
        });
      }
      
      // Initiales Laden der Accounts
      loadAccounts();
      
      // Markiere Änderung in der Accounts-Tabelle
      $('#account-table').on('change', 'input.account-active', function(){
        accountChanged = true;
        $('#save-accounts').prop('disabled', false);
      });
      
      // Speichern-Button für Accounts
      $('#save-accounts').click(function(){
        var accounts = [];
        $('#account-table tbody tr').each(function(){
          var acc_id = $(this).data('id');
          var active = $(this).find('.account-active').is(':checked') ? 1 : 0;
          accounts.push({acc_id: acc_id, active: active});
        });
        $.ajax({
          url: 'dashboard.php',
          type: 'POST',
          dataType: 'json',
          data: { action: 'save_accounts', accounts: accounts },
          success: function(resp){
            alert('Accounts aktualisiert: ' + resp.updated + ' Einträge.');
            accountChanged = false;
            $('#save-accounts').prop('disabled', true);
          }
        });
      });
      
      // Autosync: Prüfe Intervallfeld und starte einen Loop, wenn aktiviert
      function startAutosync(){
        clearInterval(autosyncTimer);
        var interval = parseInt($('#sync-interval').val(), 10);
        if(isNaN(interval) || interval <= 0){
          $('#sync-interval').addClass('error');
          interval = 30; // Standardwert
        } else {
          $('#sync-interval').removeClass('error');
        }
        autosyncTimer = setInterval(function(){
          if($('#autosync').is(':checked')){
            loadAccounts();
          } else {
            clearInterval(autosyncTimer);
          }
        }, interval * 1000);
      }
      
      // Starte Autosync beim Laden
      startAutosync();
      
      // Ändert sich das Intervall, neu starten
      $('#sync-interval, #autosync').on('change keyup', function(){
        startAutosync();
      });
    });
  </script>
</body>
</html>