{% extends 'base.html' %}
{% block title %}Maintenance – IT Asset Management{% endblock %}
{% block breadcrumb %}
  <li class="breadcrumb-item"><a href="{{ url_for('dashboard.index') }}">Home</a></li>
  <li class="breadcrumb-item active">Maintenance</li>
{% endblock %}

{% block extra_head %}
<style>
  .status-badge-open        { background: #ffc107; color: #000; }
  .status-badge-in_progress { background: #0d6efd; color: #fff; }
  .status-badge-closed      { background: #198754; color: #fff; }
  tr.clickable-row          { cursor: pointer; }
  tr.clickable-row:hover td { background: #f0f5ff; }
</style>
{% endblock %}

{% block content %}
<div class="page-header d-flex align-items-center justify-content-between mb-4">
  <h1><i class="bi bi-wrench-adjustable me-2"></i>Maintenance</h1>
  {% if current_user.is_editor %}
  <button class="btn btn-primary btn-sm" data-bs-toggle="modal" data-bs-target="#maintenanceModal"
          id="btnAddRecord">
    <i class="bi bi-plus-circle me-1"></i>Add Record
  </button>
  {% endif %}
</div>

<!-- Filters -->
<form method="GET" class="row g-2 mb-3">
  <div class="col-auto">
    <select name="status" class="form-select form-select-sm" onchange="this.form.submit()">
      <option value="">All statuses</option>
      {% for val, label in statuses %}
      <option value="{{ val }}" {% if status_filter == val %}selected{% endif %}>{{ label }}</option>
      {% endfor %}
    </select>
  </div>
  <div class="col-auto">
    <select name="asset_id" class="form-select form-select-sm" onchange="this.form.submit()">
      <option value="">All assets</option>
      {% for a in all_assets %}
      <option value="{{ a.id }}" {% if asset_filter == a.id %}selected{% endif %}>
        {{ a.serial_number }}{% if a.brand %} – {{ a.brand }}{% endif %}{% if a.model %} {{ a.model }}{% endif %}
      </option>
      {% endfor %}
    </select>
  </div>
  <div class="col-auto">
    <a href="{{ url_for('maintenance.index') }}" class="btn btn-sm btn-outline-secondary">Clear</a>
  </div>
</form>

<!-- Table -->
<div class="card border-0 shadow-sm">
  <div class="table-responsive">
    <table class="table table-hover mb-0">
      <thead class="table-light">
        <tr>
          <th>Asset</th>
          <th>Start Date</th>
          <th>End Date</th>
          <th>Status</th>
          <th>Initial Diagnosis</th>
          <th>Action Taken</th>
          <th>Result</th>
          {% if current_user.is_editor %}<th></th>{% endif %}
        </tr>
      </thead>
      <tbody>
        {% for r in pagination.items %}
        <tr class="{% if current_user.is_editor %}clickable-row{% endif %}"
            {% if current_user.is_editor %}
            data-bs-toggle="modal" data-bs-target="#maintenanceModal"
            data-id="{{ r.id }}"
            data-asset="{{ r.asset_id }}"
            data-start="{{ r.start_date.isoformat() if r.start_date else '' }}"
            data-end="{{ r.end_date.isoformat() if r.end_date else '' }}"
            data-status="{{ r.status }}"
            data-diagnosis="{{ r.initial_diagnosis or '' }}"
            data-action="{{ r.action_taken or '' }}"
            data-result="{{ r.action_result or '' }}"
            {% endif %}>
          <td>
            <a href="{{ url_for('assets.detail', asset_id=r.asset.id) }}" onclick="event.stopPropagation()">
              <strong>{{ r.asset.serial_number }}</strong>
            </a>
            {% if r.asset.brand %}<br><small class="text-muted">{{ r.asset.brand }} {{ r.asset.model or '' }}</small>{% endif %}
          </td>
          <td>{{ r.start_date.strftime('%d/%m/%Y') if r.start_date else '—' }}</td>
          <td>{{ r.end_date.strftime('%d/%m/%Y') if r.end_date else '—' }}</td>
          <td>
            <span class="badge status-badge-{{ r.status }}">
              {% for val, label in statuses %}{% if val == r.status %}{{ label }}{% endif %}{% endfor %}
            </span>
          </td>
          <td>
            <span title="{{ r.initial_diagnosis or '' }}">
              {{ (r.initial_diagnosis or '—')[:60] }}{% if r.initial_diagnosis and r.initial_diagnosis|length > 60 %}…{% endif %}
            </span>
          </td>
          <td>
            <span title="{{ r.action_taken or '' }}">
              {{ (r.action_taken or '—')[:60] }}{% if r.action_taken and r.action_taken|length > 60 %}…{% endif %}
            </span>
          </td>
          <td>
            <span title="{{ r.action_result or '' }}">
              {{ (r.action_result or '—')[:60] }}{% if r.action_result and r.action_result|length > 60 %}…{% endif %}
            </span>
          </td>
          {% if current_user.is_editor %}
          <td onclick="event.stopPropagation()">
            <form method="POST" action="{{ url_for('maintenance.delete', record_id=r.id) }}"
                  onsubmit="return confirm('Delete this maintenance record?')">
              <button type="submit" class="btn btn-sm btn-outline-danger py-0 px-2">
                <i class="bi bi-trash"></i>
              </button>
            </form>
          </td>
          {% endif %}
        </tr>
        {% else %}
        <tr>
          <td colspan="{{ 8 if current_user.is_editor else 7 }}" class="text-center text-muted py-4">
            No maintenance records found.
          </td>
        </tr>
        {% endfor %}
      </tbody>
    </table>
  </div>

  <!-- Pagination -->
  {% if pagination.pages > 1 %}
  <div class="card-footer bg-white d-flex justify-content-between align-items-center py-2">
    <small class="text-muted">
      Showing {{ pagination.first }}–{{ pagination.last }} of {{ pagination.total }}
    </small>
    <nav>
      <ul class="pagination pagination-sm mb-0">
        {% if pagination.has_prev %}
          <li class="page-item">
            <a class="page-link" href="{{ url_for('maintenance.index', page=pagination.prev_num, status=status_filter, asset_id=asset_filter) }}">‹</a>
          </li>
        {% endif %}
        {% for p in pagination.iter_pages(left_edge=1, right_edge=1, left_current=2, right_current=2) %}
          {% if p %}
            <li class="page-item {% if p == pagination.page %}active{% endif %}">
              <a class="page-link" href="{{ url_for('maintenance.index', page=p, status=status_filter, asset_id=asset_filter) }}">{{ p }}</a>
            </li>
          {% else %}
            <li class="page-item disabled"><span class="page-link">…</span></li>
          {% endif %}
        {% endfor %}
        {% if pagination.has_next %}
          <li class="page-item">
            <a class="page-link" href="{{ url_for('maintenance.index', page=pagination.next_num, status=status_filter, asset_id=asset_filter) }}">›</a>
          </li>
        {% endif %}
      </ul>
    </nav>
  </div>
  {% endif %}
</div>

<!-- ═══ Maintenance Record Modal (Add / Edit) ═══════════════════════════════ -->
{% if current_user.is_editor %}
<div class="modal fade" id="maintenanceModal" tabindex="-1" aria-labelledby="maintenanceModalLabel">
  <div class="modal-dialog modal-lg">
    <div class="modal-content">

      <div class="modal-header">
        <h5 class="modal-title" id="maintenanceModalLabel">
          <i class="bi bi-wrench-adjustable me-2"></i>
          <span id="modalTitleText">Add Maintenance Record</span>
        </h5>
        <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
      </div>

      <form id="maintenanceForm" method="POST" action="{{ url_for('maintenance.create') }}">
        <div class="modal-body">

          <!-- Asset -->
          <div class="mb-3">
            <label class="form-label fw-semibold">Asset <span class="text-danger">*</span></label>
            <select name="asset_id" id="fieldAsset" class="form-select" required>
              <option value="">— select asset —</option>
              {% for a in all_assets %}
              <option value="{{ a.id }}">
                {{ a.serial_number }}{% if a.brand %} – {{ a.brand }}{% endif %}{% if a.model %} {{ a.model }}{% endif %}
              </option>
              {% endfor %}
            </select>
          </div>

          <div class="row g-3 mb-3">
            <!-- Start date -->
            <div class="col-md-4">
              <label class="form-label fw-semibold">Start Date <span class="text-danger">*</span></label>
              <input type="date" name="start_date" id="fieldStart" class="form-control" required>
            </div>
            <!-- End date -->
            <div class="col-md-4">
              <label class="form-label fw-semibold">End Date</label>
              <input type="date" name="end_date" id="fieldEnd" class="form-control">
            </div>
            <!-- Status -->
            <div class="col-md-4">
              <label class="form-label fw-semibold">Status</label>
              <select name="status" id="fieldStatus" class="form-select">
                {% for val, label in statuses %}
                <option value="{{ val }}">{{ label }}</option>
                {% endfor %}
              </select>
            </div>
          </div>

          <!-- Initial diagnosis -->
          <div class="mb-3">
            <label class="form-label fw-semibold">Initial Diagnosis</label>
            <textarea name="initial_diagnosis" id="fieldDiagnosis" class="form-control" rows="3"
                      placeholder="Describe the fault or reason for maintenance…"></textarea>
          </div>

          <!-- Action taken -->
          <div class="mb-3">
            <label class="form-label fw-semibold">Action Taken</label>
            <textarea name="action_taken" id="fieldAction" class="form-control" rows="3"
                      placeholder="Describe the work performed…"></textarea>
          </div>

          <!-- Finished action result -->
          <div class="mb-3">
            <label class="form-label fw-semibold">Finished Action Result</label>
            <textarea name="action_result" id="fieldResult" class="form-control" rows="3"
                      placeholder="Outcome, parts replaced, verified status…"></textarea>
          </div>

        </div><!-- /.modal-body -->

        <div class="modal-footer">
          <button type="button" class="btn btn-outline-secondary" data-bs-dismiss="modal">Cancel</button>
          <button type="submit" class="btn btn-primary">
            <i class="bi bi-floppy me-1"></i><span id="submitBtnText">Save Record</span>
          </button>
        </div>
      </form>

    </div>
  </div>
</div>
{% endif %}
{% endblock %}

{% block extra_js %}
{% if current_user.is_editor %}
<script>
const modal      = document.getElementById('maintenanceModal');
const form       = document.getElementById('maintenanceForm');
const titleText  = document.getElementById('modalTitleText');
const submitText = document.getElementById('submitBtnText');

const createUrl = "{{ url_for('maintenance.create') }}";
const updateUrl = (id) => `/maintenance/${id}/update`;

// ── Open for EDIT when a table row is clicked ────────────────────────────────
document.querySelectorAll('tr[data-id]').forEach(row => {
  row.addEventListener('click', () => {
    const id = row.dataset.id;

    titleText.textContent  = 'Edit Maintenance Record';
    submitText.textContent = 'Update Record';
    form.action            = updateUrl(id);

    document.getElementById('fieldAsset').value    = row.dataset.asset;
    document.getElementById('fieldStart').value    = row.dataset.start;
    document.getElementById('fieldEnd').value      = row.dataset.end;
    document.getElementById('fieldStatus').value   = row.dataset.status;
    document.getElementById('fieldDiagnosis').value= row.dataset.diagnosis;
    document.getElementById('fieldAction').value   = row.dataset.action;
    document.getElementById('fieldResult').value   = row.dataset.result;

    // Lock asset field in edit mode (asset cannot change)
    document.getElementById('fieldAsset').disabled = true;
  });
});

// ── Reset to ADD mode when modal is opened via the + button ─────────────────
document.getElementById('btnAddRecord').addEventListener('click', () => {
  titleText.textContent  = 'Add Maintenance Record';
  submitText.textContent = 'Save Record';
  form.action            = createUrl;
  form.reset();
  document.getElementById('fieldAsset').disabled = false;
  // Default start date to today
  document.getElementById('fieldStart').value = new Date().toISOString().split('T')[0];
});

// ── Re-enable asset select before submit (disabled fields are not posted) ────
form.addEventListener('submit', () => {
  document.getElementById('fieldAsset').disabled = false;
});

// ── If page loaded with edit_record (server-side edit link), auto-open modal ─
{% if edit_record %}
const editRow = document.querySelector('tr[data-id="{{ edit_record.id }}"]');
if (editRow) editRow.click();
else {
  // Fallback: populate manually
  titleText.textContent  = 'Edit Maintenance Record';
  submitText.textContent = 'Update Record';
  form.action            = updateUrl({{ edit_record.id }});
  document.getElementById('fieldAsset').value    = '{{ edit_record.asset_id }}';
  document.getElementById('fieldStart').value    = '{{ edit_record.start_date.isoformat() if edit_record.start_date else "" }}';
  document.getElementById('fieldEnd').value      = '{{ edit_record.end_date.isoformat() if edit_record.end_date else "" }}';
  document.getElementById('fieldStatus').value   = '{{ edit_record.status }}';
  document.getElementById('fieldDiagnosis').value= {{ edit_record.initial_diagnosis | tojson }};
  document.getElementById('fieldAction').value   = {{ edit_record.action_taken | tojson }};
  document.getElementById('fieldResult').value   = {{ edit_record.action_result | tojson }};
  document.getElementById('fieldAsset').disabled = true;
  new bootstrap.Modal(document.getElementById('maintenanceModal')).show();
}
{% endif %}
</script>
{% endif %}
{% endblock %}