{% extends "base.html" %}
{% block title %}Issues{% endblock %}

{#
  MODERN issues list (design A/B test).

  Same context variables, query params, form field names and JS as
  templates/issues/list.html — only the chrome differs. Every filter, column,
  badge, the quick-assign control, follow/unfollow, delete and the pagination
  links are carried over verbatim.
#}

{% block content %}

{# Any non-empty query param other than the page number means the user has
   actually filtered — used to show the match count only when it is meaningful. #}
{% set active_filters = [] %}
{% for _k, _v in request.args.items() %}
  {% if _k != 'page' and _v %}{% set _ = active_filters.append(_k) %}{% endif %}
{% endfor %}

{# ── Header ───────────────────────────────────────────────────────────── #}
<div class="d-flex flex-wrap justify-content-between align-items-end mb-4 gap-2">
  <div>
    <div class="jqc-page-title">Issues</div>
  </div>
  {% if current_user.role in ['admin','director','customer','auditor'] %}
  <a href="{{ url_for('issues.create') }}" class="btn btn-danger">
    <i class="bi bi-plus-circle"></i> Log Issue
  </a>
  {% endif %}
</div>

{# ── Filters ──────────────────────────────────────────────────────────── #}
{# Same layout as the modern inspections list: fields fill two rows on the left,
   actions in a block on the right spanning both — Filter full-height, Clear
   above Export PDF. Contract and Facility stay adjacent because they cascade
   (rule 61). Below md the action block wraps underneath, full width. #}
<div class="jqc-filter-bar">
  <form method="get">
    <div class="d-flex flex-wrap gap-3 align-items-stretch">

      {# ── Fields ──────────────────────────────────────────────────────── #}
      <div class="flex-grow-1" style="min-width:min(100%, 620px);">
        <div class="row g-2 align-items-end">
          <div class="col-6 col-md-2">
            <label class="form-label small mb-1">Issue #</label>
            <input type="number" name="issue_id" class="form-control form-control-sm"
                   min="1" placeholder="ID" value="{{ issue_id_filter }}">
          </div>
          <div class="col-6 col-md-2">
            <label class="form-label small mb-1">Severity</label>
            <select name="severity" class="form-select form-select-sm">
              <option value="">All</option>
              {% for s in ['critical','high','medium','low'] %}
              <option value="{{ s }}" {{ 'selected' if severity_filter == s }}>{{ s|title }}</option>
              {% endfor %}
            </select>
          </div>
          <div class="col-6 col-md-2">
            <label class="form-label small mb-1">Status</label>
            <select name="status" class="form-select form-select-sm">
              <option value="">All</option>
              {% for s in ['open','in_progress','pending_verification','resolved'] %}
              <option value="{{ s }}" {{ 'selected' if status_filter == s }}>{{ s|replace('_',' ')|title }}</option>
              {% endfor %}
            </select>
          </div>
          <div class="col-12 col-md-3">
            <label class="form-label small mb-1">Contract</label>
            <select name="contract_id" id="filter_contract_id" class="form-select form-select-sm">
              <option value="">All Contracts</option>
              {% for p in projects %}
              <option value="{{ p.id }}" {{ 'selected' if contract_filter == p.id|string }}>{{ p.name }}</option>
              {% endfor %}
            </select>
          </div>
          <div class="col-12 col-md-3">
            <label class="form-label small mb-1">Facility</label>
            <select name="facility_id" id="filter_facility_id" class="form-select form-select-sm">
              <option value="">All Facilities</option>
              {% for f in facilities %}
              <option value="{{ f.id }}" {{ 'selected' if facility_filter == f.id|string }}>{{ f.name }}</option>
              {% endfor %}
            </select>
          </div>
        </div>

        <div class="row g-2 align-items-end mt-2">
          <div class="col-6 col-md-2">
            <label class="form-label small mb-1">SLA</label>
            <select name="sla" class="form-select form-select-sm">
              <option value="">All</option>
              <option value="breached" {{ 'selected' if sla_filter == 'breached' }}>Breached</option>
              <option value="at_risk"  {{ 'selected' if sla_filter == 'at_risk' }}>At Risk</option>
              <option value="ok"       {{ 'selected' if sla_filter == 'ok' }}>OK</option>
            </select>
          </div>
          <div class="col-6 col-md-3">
            <label class="form-label small mb-1">Reported From</label>
            <input type="date" name="date_from" class="form-control form-control-sm"
                   value="{{ date_from_filter }}">
          </div>
          <div class="col-6 col-md-3">
            <label class="form-label small mb-1">Reported To</label>
            <input type="date" name="date_to" class="form-control form-control-sm"
                   value="{{ date_to_filter }}">
          </div>
          <div class="col-6 col-md-2">
            <label class="form-label small mb-1">Reporter</label>
            <select name="reporter_id" class="form-select form-select-sm">
              <option value="">All Reporters</option>
              {% for u in reporters %}
              <option value="{{ u.id }}" {{ 'selected' if reporter_filter == u.id|string }}>{{ u.display_name }}</option>
              {% endfor %}
            </select>
          </div>
          <div class="col-12 col-md-2">
            <label class="form-label small mb-1">Handled By</label>
            <select name="handler_type" class="form-select form-select-sm">
              <option value="">All Handlers</option>
              <option value="internal" {{ 'selected' if handler_filter == 'internal' }}>Janitorial Staff</option>
              <option value="facility" {{ 'selected' if handler_filter == 'facility' }}>Facility Staff</option>
              <option value="vendor"   {{ 'selected' if handler_filter == 'vendor' }}>External Vendor</option>
            </select>
          </div>
        </div>
      </div>

      {# ── Actions — spans both field rows ─────────────────────────────── #}
      {# mt-md-4 drops the block by roughly one label's height, so the buttons
         line up with the first row's INPUTS rather than its labels — that is
         what makes them shorter, since they still stretch to the bottom of the
         second row. The margin is md-only; below that the block wraps
         underneath the fields and needs its full width and natural height. #}
      <div class="d-flex gap-2 align-items-stretch flex-grow-1 flex-md-grow-0 mt-md-4">
        <button type="submit"
                class="btn btn-sm btn-primary d-flex align-items-center justify-content-center flex-grow-1 flex-md-grow-0"
                style="min-width:88px;">
          <span><i class="bi bi-funnel"></i> Filter</span>
        </button>
        <div class="d-flex flex-column gap-2 flex-grow-1 flex-md-grow-0">
          <a href="{{ url_for('issues.index') }}"
             class="btn btn-sm btn-outline-secondary d-flex align-items-center justify-content-center flex-grow-1"
             style="min-width:104px;">Clear</a>
          <a href="{{ url_for('issues.export_list_pdf', **request.args) }}"
             class="btn btn-sm btn-outline-danger d-flex align-items-center justify-content-center flex-grow-1 text-nowrap"
             style="min-width:104px;">
            <span><i class="bi bi-file-earmark-pdf"></i> Export PDF</span>
          </a>
        </div>
      </div>

    </div>
  </form>
</div>

{# ── Results ──────────────────────────────────────────────────────────── #}
<div class="jqc-card">
  {% if active_filters %}
  <div class="text-muted small mb-2">
    <i class="bi bi-funnel me-1"></i>
    {{ issues.total }} issue{{ 's' if issues.total != 1 }} match
    {{ 'es' if issues.total == 1 }} your filters
  </div>
  {% endif %}

  {% if issues.items %}
  <div class="jqc-table-wrap table-responsive">
    <table class="table table-hover mb-0">
      <thead>
        <tr>
          <th>#</th>
          <th>Reported</th>
          <th>Severity</th>
          <th>Contract</th>
          <th>Facility / Area</th>
          <th>Description</th>
          <th>Status</th>
          <th>SLA</th>
          <th>Reporter</th>
          <th>Assigned</th>
          <th></th>
        </tr>
      </thead>
      <tbody>
        {% for issue in issues.items %}
        {% set is_following = issue.id in followed_ids %}
        {% set sla = sla_status(issue) %}
        <tr class="{{ 'table-danger' if sla == 'breached' else 'table-warning' if sla == 'at_risk' else '' }}">
          <td><small class="text-muted">#{{ issue.id }}</small></td>
          <td class="text-nowrap"><small>{{ issue.reported_at.strftime('%Y-%m-%d %H:%M') }}</small></td>
          <td>
            <span class="badge bg-{{ 'danger' if issue.severity in ['critical','high'] else 'warning text-dark' if issue.severity == 'medium' else 'secondary' }}">
              {{ issue.severity|title }}
            </span>
          </td>
          <td>
            {% set _c = issue.resolved_facility.project if issue.resolved_facility else none %}
            <small>{{ _c.name if _c else '—' }}</small>
          </td>
          <td>
            {{ issue.resolved_facility.name if issue.resolved_facility else '—' }}<br>
            <small class="text-muted">{{ issue.area.name if issue.area else '—' }}</small>
          </td>
          <td>
            <span{% if issue.description|length > 60 %} title="{{ issue.description }}" style="cursor:help;"{% endif %}>
              {{ issue.description[:60] }}{% if issue.description|length > 60 %}…{% endif %}
            </span>
          </td>
          <td>
            <span class="badge bg-{{ 'success' if issue.status == 'resolved' else 'info text-dark' if issue.status == 'pending_verification' else 'warning text-dark' if issue.status == 'in_progress' else 'danger' }}">
              {{ issue.status|replace('_',' ')|title }}
            </span>
          </td>
          <td>
            {% if sla == 'breached' %}
            <span class="badge bg-danger" title="SLA deadline has passed"><i class="bi bi-alarm me-1"></i>Breached</span>
            {% elif sla == 'at_risk' %}
            {% set hrs = sla_hours_remaining(issue) %}
            <span class="badge bg-warning text-dark" title="Over 75% of SLA window elapsed"><i class="bi bi-hourglass-split me-1"></i>{{ hrs|abs|round(1) }}h left</span>
            {% elif sla == 'ok' %}
            <span class="badge bg-secondary">OK</span>
            {% else %}
            <span class="text-muted small">—</span>
            {% endif %}
          </td>
          <td>
            {% if issue.reporter %}
            <small>{{ issue.reporter.display_name }}</small>
            {% else %}<span class="text-muted">—</span>{% endif %}
          </td>
          <td>
            {% if current_user.role in ['admin', 'director', 'auditor'] and issue.status != 'resolved' %}
            <div class="d-flex align-items-center gap-1 quick-assign-wrap" data-issue-id="{{ issue.id }}">
              <select class="form-select form-select-sm quick-assign-select" style="min-width:110px;font-size:.78rem;">
                <option value="">— Unassigned —</option>
                {% for u in staff %}
                <option value="{{ u.id }}" {{ 'selected' if issue.assigned_to == u.id }}>{{ u.display_name }}{{ ' (External)' if u.is_external_inspector }}</option>
                {% endfor %}
              </select>
              <span class="quick-assign-spinner spinner-border spinner-border-sm text-secondary d-none" role="status"></span>
            </div>
            {% else %}
            {% if issue.assigned_user %}{{ issue.assigned_user.display_name }}
            {% else %}<span class="text-muted">—</span>{% endif %}
            {% endif %}
            {% if issue.handler_type == 'facility' %}
            <div><span class="badge bg-info text-dark mt-1" title="Handled by facility staff"><i class="bi bi-building"></i> Facility</span></div>
            {% elif issue.handler_type == 'vendor' %}
            <div><span class="badge bg-warning text-dark mt-1" title="Handled by external vendor"><i class="bi bi-person-gear"></i> Vendor</span></div>
            {% endif %}
          </td>
          <td class="text-nowrap">
            {# Following badge + inline unfollow #}
            {% if is_following %}
            <span class="badge bg-primary me-1" title="You are following this issue">
              <i class="bi bi-bell-fill"></i> Following
            </span>
            <form method="post"
                  action="{{ url_for('issues.unfollow', issue_id=issue.id) }}"
                  class="d-inline"
                  title="Unfollow this issue">
              <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
              <input type="hidden" name="next" value="{{ url_for('issues.index', page=issues.page, issue_id=issue_id_filter, severity=severity_filter, status=status_filter, contract_id=contract_filter, facility_id=facility_filter, date_from=date_from_filter, date_to=date_to_filter, reporter_id=reporter_filter, handler_type=handler_filter, unassigned=unassigned_filter) }}">
              <button type="submit" class="btn btn-sm btn-outline-primary p-0 px-1 me-1"
                      title="Unfollow">
                <i class="bi bi-bell-slash" style="font-size:.75rem;"></i>
              </button>
            </form>
            {% endif %}

            <a href="{{ url_for('issues.view', issue_id=issue.id) }}"
               class="btn btn-sm btn-outline-secondary">
              {% if current_user.role in ['admin','director','auditor'] or issue.assigned_to == current_user.id %}
                <i class="bi bi-pencil"></i> Edit
              {% else %}
                <i class="bi bi-eye"></i> View
              {% endif %}
            </a>
            {% if current_user.role in ['admin', 'director'] %}
            <form method="POST" action="{{ url_for('issues.delete', issue_id=issue.id) }}"
                  class="d-inline"
                  onsubmit="return confirm('Permanently delete Issue #{{ issue.id }}? This cannot be undone.');">
              <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
              <button type="submit" class="btn btn-sm btn-outline-danger"
                      title="Delete Issue #{{ issue.id }}">
                <i class="bi bi-trash"></i>
              </button>
            </form>
            {% endif %}
          </td>
        </tr>
        {% endfor %}
      </tbody>
    </table>
  </div>

  {% if issues.pages > 1 %}
  <div class="d-flex justify-content-center pt-3">
    <nav><ul class="pagination pagination-sm mb-0">
      {% for p in issues.iter_pages(left_edge=1,right_edge=1,left_current=2,right_current=2) %}
        {% if p %}
        <li class="page-item {{ 'active' if p == issues.page }}">
          <a class="page-link"
             href="{{ url_for('issues.index', page=p, issue_id=issue_id_filter, severity=severity_filter, status=status_filter, sla=sla_filter, contract_id=contract_filter, facility_id=facility_filter, date_from=date_from_filter, date_to=date_to_filter, reporter_id=reporter_filter, handler_type=handler_filter, unassigned=unassigned_filter) }}">{{ p }}</a>
        </li>
        {% else %}<li class="page-item disabled"><span class="page-link">…</span></li>{% endif %}
      {% endfor %}
    </ul></nav>
  </div>
  {% endif %}

  {% else %}
  <div class="text-center py-5 text-muted">
    <i class="bi bi-check2-circle fs-2 d-block mb-2"></i>
    No issues found.
    <div class="mt-2">
      <a href="{{ url_for('issues.index') }}" class="btn btn-sm btn-outline-secondary">Clear filters</a>
    </div>
  </div>
  {% endif %}
</div>
{% endblock %}

{% block extra_js %}
<script>
(function () {
  'use strict';
  var contractSel  = document.getElementById('filter_contract_id');
  var facilitySel  = document.getElementById('filter_facility_id');
  if (!contractSel || !facilitySel) return;

  var FACILITIES_URL = '{{ url_for("inspections.facilities_for_project", project_id=0) }}'.replace('/0', '/');

  contractSel.addEventListener('change', function () {
    var projectId = this.value;
    facilitySel.value = '';  // reset facility selection
    if (!projectId) {
      // No contract selected — restore all-facilities placeholder and submit
      // (server will return unfiltered facility list)
      facilitySel.innerHTML = '<option value="">All Facilities</option>';
      return;
    }
    facilitySel.disabled = true;
    facilitySel.innerHTML = '<option value="">Loading…</option>';
    fetch(FACILITIES_URL + projectId)
      .then(function (r) { return r.json(); })
      .then(function (data) {
        var html = '<option value="">All Facilities</option>';
        data.forEach(function (f) {
          html += '<option value="' + f.id + '">' + f.name + '</option>';
        });
        facilitySel.innerHTML = html;
        facilitySel.disabled  = false;
      })
      .catch(function () { facilitySel.disabled = false; });
  });
}());
</script>

{% if current_user.role in ['admin', 'director', 'auditor'] %}
<script>
(function () {
  'use strict';
  document.querySelectorAll('.quick-assign-select').forEach(function (sel) {
    sel.dataset.previous = sel.value;

    sel.addEventListener('change', function () {
      const wrap    = sel.closest('.quick-assign-wrap');
      const issueId = wrap.dataset.issueId;
      const spinner = wrap.querySelector('.quick-assign-spinner');
      const userId  = sel.value || null;

      sel.disabled = true;
      spinner.classList.remove('d-none');

      fetch('/issues/' + issueId + '/quick-assign', {
        method:  'POST',
        headers: {
          'Content-Type': 'application/json',
          'X-CSRFToken':  '{{ csrf_token() }}',
        },
        body: JSON.stringify({ user_id: userId ? parseInt(userId) : null }),
      })
      .then(function (r) { return r.json(); })
      .then(function (data) {
        if (!data.ok) {
          alert('Assignment failed: ' + (data.error || 'Unknown error'));
          sel.value = sel.dataset.previous;
        } else {
          sel.dataset.previous = sel.value;
        }
      })
      .catch(function () {
        alert('Network error — assignment not saved.');
        sel.value = sel.dataset.previous;
      })
      .finally(function () {
        sel.disabled = false;
        spinner.classList.add('d-none');
      });
    });
  });
}());
</script>
{% endif %}
{% endblock %}