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

{% block content %}
<div class="row mb-3 align-items-center">
  <div class="col">
    <h2 class="mb-0">Welcome, {{ current_user.username }}!</h2>
    <span class="badge bg-{% if current_user.role == 'admin' %}danger{% elif current_user.role == 'supervisor' %}warning{% else %}info{% endif %} mt-1">
      {{ current_user.role|title }}
    </span>
  </div>
</div>

{# ── Top stat cards ─────────────────────────────────────────────────────── #}
<div class="row g-3 mb-4">
  <div class="col-6 col-md-3">
    <div class="card text-white bg-primary h-100">
      <div class="card-body d-flex justify-content-between align-items-center">
        <div>
          <div class="small text-white-50 fw-semibold">Today's Inspections</div>
          <div class="fs-2 fw-bold">{{ today_inspections }}</div>
        </div>
        <i class="bi bi-clipboard-data" style="font-size:2.5rem;opacity:.25;"></i>
      </div>
    </div>
  </div>
  <div class="col-6 col-md-3">
    <div class="card text-white bg-success h-100">
      <div class="card-body d-flex justify-content-between align-items-center">
        <div>
          <div class="small text-white-50 fw-semibold">Completed Today</div>
          <div class="fs-2 fw-bold">{{ completed_today }}</div>
        </div>
        <i class="bi bi-check-circle" style="font-size:2.5rem;opacity:.25;"></i>
      </div>
    </div>
  </div>
  <div class="col-6 col-md-3">
    <div class="card text-white bg-warning h-100">
      <div class="card-body d-flex justify-content-between align-items-center">
        <div>
          <div class="small text-white-50 fw-semibold">Open Issues</div>
          <div class="fs-2 fw-bold">{{ open_issues }}</div>
        </div>
        <i class="bi bi-exclamation-triangle" style="font-size:2.5rem;opacity:.25;"></i>
      </div>
    </div>
  </div>
  <div class="col-6 col-md-3">
    <div class="card text-white bg-info h-100">
      <div class="card-body d-flex justify-content-between align-items-center">
        <div>
          <div class="small text-white-50 fw-semibold">Avg Score (30d)</div>
          <div class="fs-2 fw-bold">{{ avg_score if avg_score else '--' }}{% if avg_score %}%{% endif %}</div>
        </div>
        <i class="bi bi-graph-up" style="font-size:2.5rem;opacity:.25;"></i>
      </div>
    </div>
  </div>
</div>

{# ── SLA Summary ─────────────────────────────────────────────────────────── #}
{% if sla_breached > 0 or sla_at_risk > 0 %}
<div class="row g-3 mb-4">
  {% if sla_breached > 0 %}
  <div class="col-6 col-md-3">
    <a href="{{ url_for('issues.index', sla='breached') }}" class="text-decoration-none">
      <div class="card border-danger h-100">
        <div class="card-body d-flex justify-content-between align-items-center">
          <div>
            <div class="small text-danger fw-semibold">SLA Breached</div>
            <div class="fs-2 fw-bold text-danger">{{ sla_breached }}</div>
          </div>
          <i class="bi bi-alarm text-danger" style="font-size:2.5rem;opacity:.3;"></i>
        </div>
      </div>
    </a>
  </div>
  {% endif %}
  {% if sla_at_risk > 0 %}
  <div class="col-6 col-md-3">
    <a href="{{ url_for('issues.index', sla='at_risk') }}" class="text-decoration-none">
      <div class="card border-warning h-100">
        <div class="card-body d-flex justify-content-between align-items-center">
          <div>
            <div class="small text-warning fw-semibold">SLA At Risk</div>
            <div class="fs-2 fw-bold text-warning">{{ sla_at_risk }}</div>
          </div>
          <i class="bi bi-alarm text-warning" style="font-size:2.5rem;opacity:.3;"></i>
        </div>
      </div>
    </a>
  </div>
  {% endif %}
</div>
{% endif %}

{# ── System quick stats (admin/supervisor) ──────────────────────────────── #}
{% if current_user.role in ['admin', 'supervisor'] %}
<div class="row g-3 mb-4">
  <div class="col-6 col-md-{% if current_user.role == 'admin' %}4{% else %}6{% endif %}">
    <div class="card shadow-sm text-center">
      <div class="card-body py-3">
        <i class="bi bi-building text-primary" style="font-size:2rem;"></i>
        <div class="fs-4 fw-bold mt-1">{{ total_facilities }}</div>
        <div class="text-muted small">Active Facilities</div>
      </div>
    </div>
  </div>
  <div class="col-6 col-md-{% if current_user.role == 'admin' %}4{% else %}6{% endif %}">
    <div class="card shadow-sm text-center">
      <div class="card-body py-3">
        <i class="bi bi-file-earmark-text text-success" style="font-size:2rem;"></i>
        <div class="fs-4 fw-bold mt-1">{{ total_templates }}</div>
        <div class="text-muted small">Templates</div>
      </div>
    </div>
  </div>
  {% if current_user.role == 'admin' %}
  <div class="col-6 col-md-4">
    <div class="card shadow-sm text-center">
      <div class="card-body py-3">
        <i class="bi bi-people text-warning" style="font-size:2rem;"></i>
        <div class="fs-4 fw-bold mt-1">{{ total_users }}</div>
        <div class="text-muted small">Users</div>
      </div>
    </div>
  </div>
  {% endif %}
</div>
{% endif %}

{# ── Score trend chart + Facility performance ───────────────────────────── #}
<div class="row g-3 mb-4">
  <div class="col-lg-{% if current_user.role in ['admin','supervisor'] and facility_perf %}7{% else %}12{% endif %}">
    <div class="card shadow-sm h-100">
      <div class="card-header bg-light fw-semibold">
        <i class="bi bi-graph-up me-1"></i>Inspection Score Trend (Last 30 Days)
      </div>
      <div class="card-body">
        {% if trend_labels %}
        <canvas id="trendChart" height="120"></canvas>
        {% else %}
        <div class="text-center text-muted py-4">
          <i class="bi bi-bar-chart-line fs-2 d-block mb-2"></i>
          No completed inspections with scores in the last 30 days.
        </div>
        {% endif %}
      </div>
    </div>
  </div>

  {% if current_user.role in ['admin', 'supervisor'] and facility_perf %}
  <div class="col-lg-5">
    <div class="card shadow-sm h-100">
      <div class="card-header bg-light fw-semibold">
        <i class="bi bi-building me-1"></i>Facility Performance (30d)
      </div>
      <div class="card-body p-0">
        <table class="table table-sm table-hover mb-0">
          <thead class="table-light">
            <tr>
              <th>Facility</th>
              <th class="text-center">Inspections</th>
              <th class="text-center">Avg Score</th>
            </tr>
          </thead>
          <tbody>
            {% for f in facility_perf %}
            <tr>
              <td class="small">{{ f.name }}</td>
              <td class="text-center small">{{ f.count }}</td>
              <td class="text-center">
                <span class="badge bg-{% if f.avg >= 90 %}success{% elif f.avg >= 70 %}warning{% else %}danger{% endif %}">
                  {{ f.avg }}%
                </span>
              </td>
            </tr>
            {% endfor %}
          </tbody>
        </table>
      </div>
    </div>
  </div>
  {% endif %}
</div>

{# ── Recent activity ─────────────────────────────────────────────────────── #}
<div class="card shadow-sm">
  <div class="card-header bg-light fw-semibold">
    <i class="bi bi-clock-history me-1"></i>Recent Activity
  </div>
  <div class="card-body p-0">
    {% if recent_inspections %}
    <div class="table-responsive">
      <table class="table table-hover mb-0">
        <thead class="table-light">
          <tr>
            <th>Date</th>
            <th>Facility</th>
            <th>Area</th>
            {% if current_user.role != 'inspector' %}<th>Inspector</th>{% endif %}
            <th>Score</th>
            <th>Status</th>
          </tr>
        </thead>
        <tbody>
          {% for insp in recent_inspections %}
          <tr style="cursor:pointer;" onclick="window.location='{{ url_for('inspections.view', inspection_id=insp.id) }}'">
            <td><small>{{ insp.inspection_date.strftime('%Y-%m-%d %H:%M') }}</small></td>
            <td>{{ insp.facility.name }}</td>
            <td>{{ insp.area.name if insp.area else '—' }}</td>
            {% if current_user.role != 'inspector' %}<td>{{ insp.inspector.username }}</td>{% endif %}
            <td>
              {% if insp.overall_score %}
              <span class="badge bg-{% if insp.overall_score >= 90 %}success{% elif insp.overall_score >= 70 %}warning{% else %}danger{% endif %}">
                {{ insp.overall_score }}%
              </span>
              {% else %}
              <span class="text-muted">—</span>
              {% endif %}
            </td>
            <td>
              <span class="badge bg-{% if insp.status == 'completed' %}success{% elif insp.status == 'flagged' %}danger{% else %}secondary{% endif %}">
                {{ insp.status|title }}
              </span>
            </td>
          </tr>
          {% endfor %}
        </tbody>
      </table>
    </div>
    {% else %}
    <div class="text-center py-4 text-muted">
      <i class="bi bi-inbox fs-2 d-block mb-2"></i>No recent inspections.
    </div>
    {% endif %}
  </div>
</div>

{% if trend_labels %}
<script src="https://cdn.jsdelivr.net/npm/chart.js@4.4.0/dist/chart.umd.min.js"></script>
<script>
(function () {
  const ctx    = document.getElementById('trendChart').getContext('2d');
  const labels = {{ trend_labels | tojson }};
  const data   = {{ trend_data   | tojson }};

  new Chart(ctx, {
    type: 'line',
    data: {
      labels,
      datasets: [{
        label: 'Avg Score (%)',
        data,
        borderColor:     '#2563eb',
        backgroundColor: 'rgba(37,99,235,0.08)',
        borderWidth: 2,
        pointRadius: 4,
        pointBackgroundColor: '#2563eb',
        tension: 0.3,
        fill: true,
      }]
    },
    options: {
      responsive: true,
      plugins: {
        legend: { display: false },
        tooltip: { callbacks: { label: ctx => ' ' + ctx.parsed.y + '%' } }
      },
      scales: {
        y: { min: 0, max: 100, ticks: { callback: v => v + '%' }, grid: { color: 'rgba(0,0,0,.05)' } },
        x: { grid: { display: false } }
      }
    }
  });
}());
</script>
{% endif %}
{% endblock %}