{% extends 'base.html' %}
{% block content %}
<div class="container mt-4">
  <h3 class="text-primary mb-3">Allocation Batches</h3>

  {% with messages = get_flashed_messages(with_categories=true) %}
    {% if messages %}
      {% for category, message in messages %}
        <div class="alert alert-{{ category }} alert-dismissible fade show" role="alert">
          {{ message }}
          <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
        </div>
      {% endfor %}
    {% endif %}
  {% endwith %}

  <form class="card p-3 shadow-sm mb-3" method="get" action="{{ url_for('leave.allocation_batches') }}">
    <div class="row g-2 align-items-end">
      <div class="col-md-2">
        <label class="form-label">Status</label>
        <select name="status" class="form-select">
          <option value="active"  {{ 'selected' if status=='active'  }}>Active</option>
          <option value="revoked" {{ 'selected' if status=='revoked' }}>Revoked</option>
          <option value="all"     {{ 'selected' if status=='all'     }}>All</option>
        </select>
      </div>
      <div class="col-md-3">
        <label class="form-label">Leave Type</label>
        <select name="leave_type_id" class="form-select">
          <option value="">All</option>
          {% for lt in leave_types %}
            <option value="{{ lt.id }}" {{ 'selected' if leave_type_id==lt.id }}>{{ lt.name }} ({{ lt.code }})</option>
          {% endfor %}
        </select>
      </div>
      <div class="col-md-2">
        <label class="form-label">FY Label</label>
        <input type="number" name="fy_label" class="form-control" value="{{ fy_label or '' }}">
      </div>
      <div class="col-md-3">
        <label class="form-label">Strategy</label>
        <select name="strategy" class="form-select">
          <option value="">All</option>
          {% for s in strategies %}
            <option value="{{ s }}" {{ 'selected' if strategy==s }}>{{ s }}</option>
          {% endfor %}
        </select>
      </div>
      <div class="col-md-2">
        <label class="form-label">Batch Key</label>
        <input type="text" name="q" class="form-control" placeholder="Search..." value="{{ q or '' }}">
      </div>
    </div>
    <div class="mt-3 d-flex gap-2">
      <button class="btn btn-primary">Filter</button>
      <a class="btn btn-outline-secondary" href="{{ url_for('leave.allocation_batches') }}">Reset</a>
    </div>
  </form>

  <div class="card shadow-sm">
    <div class="table-responsive">
      <table class="table table-bordered m-0">
        <thead class="table-light">
          <tr>
            <th>#</th>
            <th>Batch Key</th>
            <th>FY</th>
            <th>Leave Type</th>
            <th>Strategy</th>
            <th>Run At</th>
            <th>Run By</th>
            <th>Entries</th>
            <th>Total Δ</th>
            <th>Status</th>
            <th style="width: 180px;">Actions</th>
          </tr>
        </thead>
        <tbody>
          {% for b in batches %}
          {% set agg = totals_by_batch.get(b.id, {'sum_delta': 0.0, 'count': 0}) %}
          <tr class="{{ 'table-light' if b.is_revoked }}">
            <td>{{ loop.index + ((pagination.page-1) * pagination.per_page) }}</td>
            <td><code>{{ b.batch_key }}</code></td>
            <td>{{ b.fy_label }}</td>
            <td>
              {% set lt = leave_types | selectattr('id','equalto', b.leave_type_id) | list %}
              {% if lt and lt[0] %} {{ lt[0].name }} ({{ lt[0].code }}) {% else %} - {% endif %}
            </td>
            <td>{{ b.strategy }}</td>
            <td>{{ b.run_at.strftime('%Y-%m-%d %H:%M') if b.run_at }}</td>
            <td>{{ b.run_by_id or '-' }}</td>
            <td>{{ agg.count }}</td>
            <td>{{ '%.2f'|format(agg.sum_delta) }}</td>
            <td>
              {% if b.is_revoked %}
                <span class="badge bg-secondary">Revoked</span>
              {% else %}
                <span class="badge bg-success">Active</span>
              {% endif %}
            </td>
            <td class="text-nowrap">
              <a class="btn btn-sm btn-outline-primary"
                 href="{{ url_for('leave.allocation_batch_detail', batch_id=b.id) }}">View</a>
              <a class="btn btn-sm btn-outline-secondary"
                 href="{{ url_for('leave.allocation_batch_export', batch_id=b.id) }}">Export</a>
              {% if not b.is_revoked %}
              <form method="post" action="{{ url_for('leave.revoke_allocation_batch', batch_id=b.id) }}"
                    style="display:inline">
                <button class="btn btn-sm btn-outline-danger"
                        onclick="return confirm('Revoke this batch and subtract its credited deltas?');">
                  Revoke
                </button>
              </form>
              {% endif %}
            </td>
          </tr>
          {% else %}
          <tr>
            <td colspan="11" class="text-center text-muted">No batches found.</td>
          </tr>
          {% endfor %}
        </tbody>
      </table>
    </div>
    {% if pagination.pages > 1 %}
    <div class="card-footer d-flex justify-content-between align-items-center">
      <div>Page {{ pagination.page }} of {{ pagination.pages }}</div>
      <div class="btn-group">
        {% if pagination.has_prev %}
          <a class="btn btn-outline-secondary btn-sm" href="{{ url_for('leave.allocation_batches', page=1, per_page=pagination.per_page, status=status, leave_type_id=leave_type_id, fy_label=fy_label, strategy=strategy, q=q) }}">&laquo; First</a>
          <a class="btn btn-outline-secondary btn-sm" href="{{ url_for('leave.allocation_batches', page=pagination.prev_num, per_page=pagination.per_page, status=status, leave_type_id=leave_type_id, fy_label=fy_label, strategy=strategy, q=q) }}">Prev</a>
        {% endif %}
        {% if pagination.has_next %}
          <a class="btn btn-outline-secondary btn-sm" href="{{ url_for('leave.allocation_batches', page=pagination.next_num, per_page=pagination.per_page, status=status, leave_type_id=leave_type_id, fy_label=fy_label, strategy=strategy, q=q) }}">Next</a>
          <a class="btn btn-outline-secondary btn-sm" href="{{ url_for('leave.allocation_batches', page=pagination.pages, per_page=pagination.per_page, status=status, leave_type_id=leave_type_id, fy_label=fy_label, strategy=strategy, q=q) }}">Last &raquo;</a>
        {% endif %}
      </div>
    </div>
    {% endif %}
  </div>
</div>
{% endblock %}