{# templates/mylinks.html #}
{% extends 'base.html' %}

{# page title #}
{% block title %}Edit Folder Config{% endblock %}

{# override navbar text: #}
{% block nav_brand %}Folder Config Editor{% endblock %}

{# page content #}
{% block content %}
  <div class="container">
    <div id="records"></div>
    <button id="add-btn" class="btn btn-primary mt-3">Add New Record</button>
  </div>

  <!-- Confirmation Modal -->
  <div class="modal fade" id="confirmDeleteModal" tabindex="-1" aria-labelledby="confirmDeleteLabel" aria-hidden="true">
    <div class="modal-dialog">
      <div class="modal-content">
        <div class="modal-header">
          <h5 class="modal-title" id="confirmDeleteLabel">Confirm Deletion</h5>
          <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
        </div>
        <div class="modal-body">
          Do you really want to delete this record?
        </div>
        <div class="modal-footer">
          <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
          <button type="button" class="btn btn-danger confirm-delete">Delete</button>
        </div>
      </div>
    </div>
  </div>
{% endblock %}

{% block scripts %}
  <!-- jQuery and Bootstrap JS -->
  <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
  <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
  <script>
    const ALPHABET = {{ alphabet|tojson }};
    let data = [];
    let editing = new Set();
    let pendingDelete = null; // store secret pending confirmation

    function loadData() {
      $.getJSON('/admin/folder_secret_config_editor/data', res => { data = res; render(); });
    }

    function render() {
      const $cont = $('#records').empty();
      data.forEach(rec => {
        const key = rec.secret;
        const isEdit = editing.has(key);
        const cls = isEdit ? 'unlocked' : 'locked';

        // Determine if entry has expired
        const validityISO = formatISO(rec.validity);
        const expired = validityISO ? (new Date(validityISO) < new Date()) : false;

        // Build card HTML
        let html = `<div class="card mb-3 ${cls}" data-secret="${key}"><div class="card-body">`;
        // Show exclamation if expired
        html += `<h5>Link${expired ? ' <span class="text-danger fw-bold"> ! abgelaufen !</span>' : ''}</h5>`;
        html += `<div class="mb-2">Secret: <input class="form-control" type="text" value="${rec.secret}" ${isEdit?'':'readonly'} data-field="secret"></div>`;
        html += `<div class="mb-2">Validity: <input class="form-control" type="date" value="${validityISO}" ${isEdit?'':'readonly'} data-field="validity"></div>`;
        html += `<h6>Ordner</h6>`;
        rec.folders.forEach((f,i) => {
          html += `<div style="border: 1px solid #ccc; padding: 10px; margin-bottom: 10px; border-radius: 5px;">`;
          html += `Ordnername: <div class="input-group mb-2">`;
          html += `<input class="form-control" type="text" value="${f.foldername}" ${isEdit?'':'readonly'} data-field="foldername-${i}">`;
          if(isEdit) html += `<button class="btn btn-outline-danger" onclick="removeFolder('${key}',${i})">Remove</button>`;
          html += `</div>`;
          html += `Ordnerpfad: <input class="form-control mb-2" type="text" value="${f.folderpath}" ${isEdit?'':'readonly'} data-field="folderpath-${i}">`;
          html += `</div>`;
        });
        if(isEdit) html += `<button class="btn btn-sm btn-primary mb-2" onclick="addFolder('${key}')">Add Folder</button>`;
        html += `<div>`;
        if (!isEdit) html += `<a class="btn btn-secondary btn-sm me-2" href="/?secret=${rec.secret}">Link öffnen</a>`;
        html += `<button class="btn btn-danger btn-sm me-2 delete-btn" data-secret="${key}">Delete</button>`;
        html += `<button class="btn btn-secondary btn-sm me-2" onclick="cloneRec('${key}')">Clone</button>`;
        if(isEdit) html += `<button class="btn btn-success btn-sm" onclick="saveRec('${key}')">Save</button>`;
        else html += `<button class="btn btn-warning btn-sm" onclick="editRec('${key}')">Edit</button>`;
        html += `</div></div></div>`;
        $cont.append(html);
      });
    }

    function formatISO(d) {
      const p = d.split('.');
      return p.length===3 ? `${p[2]}-${p[1]}-${p[0]}` : '';
    }

    // original delete function, called after confirmation
    function deleteRec(secret) {
      $.ajax({
        url: '/admin/folder_secret_config_editor/action',
        method: 'POST',
        contentType: 'application/json',
        data: JSON.stringify({ action: 'delete', secret })
      }).always(loadData);
    }

    // hook delete buttons to show modal
    $(document).on('click', '.delete-btn', function() {
      pendingDelete = $(this).data('secret');
      const modal = new bootstrap.Modal(document.getElementById('confirmDeleteModal'));
      modal.show();
    });

    // when user confirms deletion
    $('.confirm-delete').on('click', function() {
      if (pendingDelete) {
        deleteRec(pendingDelete);
        pendingDelete = null;
      }
      const modalEl = document.getElementById('confirmDeleteModal');
      const modal = bootstrap.Modal.getInstance(modalEl);
      modal.hide();
    });

    function editRec(secret) { editing.add(secret); render(); }
    function cloneRec(secret) {
      const rec = data.find(r=>r.secret===secret);
      const existing = data.map(r=>r.secret);
      const clone = JSON.parse(JSON.stringify(rec));
      clone.secret = generateSecret(existing);
      data.splice(data.findIndex(r=>r.secret===secret)+1, 0, clone);
      editing.add(clone.secret);
      render();
    }
    function addFolder(secret) {
      const rec = data.find(r=>r.secret===secret);
      rec.folders.push({foldername:'',folderpath:''}); render();
    }
    function removeFolder(secret,i) {
      const rec = data.find(r=>r.secret===secret);
      rec.folders.splice(i,1); render();
    }
    function saveRec(secret) {
      const rec = data.find(r=>r.secret===secret);
      const $card = $(`[data-secret='${secret}']`);
      const newSecret = $card.find('input[data-field=secret]').val();
      const validity = $card.find('input[data-field=validity]').val();
      const folders = rec.folders.map((_,i) => ({
        foldername: $card.find(`[data-field=foldername-${i}]`).val(),
        folderpath: $card.find(`[data-field=folderpath-${i}]`).val()
      }));
      if(!newSecret||data.some(r=>r.secret!==secret&&r.secret===newSecret)){
        alert('Secret must be unique and non-empty');
        return;
      }
      if(!validity){
        alert('Validity required');
        return;
      }
      if(folders.some(f=>!f.foldername||!f.folderpath)){
        alert('Folder entries cannot be empty');
        return;
      }
      $.ajax({
        url:'/admin/folder_secret_config_editor/action',
        method:'POST',
        contentType:'application/json',
        data: JSON.stringify({
          action:'update',
          oldSecret:secret,
          newSecret,
          validity,
          folders
        })
      }).always(()=>{
        editing.delete(secret);
        loadData();
      });
    }
    function generateSecret(existing) {
      let s;
      do {
        s = Array.from({length:32},_=>ALPHABET[Math.floor(Math.random()*ALPHABET.length)]).join('');
      } while(existing.includes(s));
      return s;
    }

    $(document).ready(loadData);
    $('#add-btn').click(() => {
      const existing = data.map(r=>r.secret);
      const newSecret = generateSecret(existing);
      data.push({secret:newSecret, validity:new Date().toISOString().substr(0,10), folders:[]});
      editing.add(newSecret);
      render();
    });
  </script>
{% endblock %}