{% extends 'base.html' %}
{% block content %}
<div class="container mt-4" style="max-width:1200px;">

  <div class="d-flex justify-content-between align-items-center flex-wrap gap-2 mb-2">
    <h3 class="mb-0">HR – Reimbursements</h3>
    <div class="d-flex gap-2">
      <span class="badge bg-warning text-dark">Pending: {{ pending|length }}</span>
      <span class="badge bg-secondary">Processed: {{ processed|length }}</span>
    </div>
  </div>

  <!-- Filters -->
  <form method="GET" class="card shadow-sm mb-3" id="filterForm">
    <div class="card-body">
      <div class="row g-2 align-items-end">
        <div class="col-md-5">
          <label class="form-label">Employee</label>
          <select name="employee_id" class="form-select">
            <option value="">All</option>
            {% for e in employees %}
              <option value="{{ e.id }}" {% if emp_id==e.id %}selected{% endif %}>{{ e.full_name }}</option>
            {% endfor %}
          </select>
        </div>

        <div class="col-md-2">
          <label class="form-label">Month</label>
          <select name="month" class="form-select" id="monthSel">
            <option value="">All</option>
            {% for m in range(1,13) %}
              <option value="{{ m }}" {% if month==m %}selected{% endif %}>{{ '%02d'|format(m) }}</option>
            {% endfor %}
          </select>
        </div>

        <div class="col-md-2">
          <label class="form-label">Year</label>
          <input type="number" name="year" class="form-control" id="yearInp" value="{{ year or '' }}" placeholder="YYYY">
        </div>

        <div class="col-md-2">
          <button class="btn btn-primary w-100">
            <i class="bi bi-funnel me-1"></i> Filter
          </button>
        </div>

        <div class="col-md-1 text-end">
          <button type="button" class="btn btn-outline-secondary w-100" id="exportBtn" title="Export disbursement for selected month/year">
            <i class="bi bi-download"></i>
          </button>
        </div>
      </div>

      <div class="small text-muted mt-2">
        Export works only when Month + Year are selected.
      </div>
    </div>
  </form>

  <!-- Pending -->
  <div class="card shadow-sm mb-4">
    <div class="card-header bg-warning text-dark">
      <strong>Pending (HR Action)</strong>
    </div>

    <div class="card-body p-0">
      <div class="table-responsive" style="max-height:60vh;">
        <table class="table table-hover mb-0 align-middle" id="hrPendingTable">
          <thead class="table-light position-sticky top-0">
            <tr>
              <th>#</th>
              <th>Employee</th>
              <th>Type</th>
              <th>Date Range</th>
              <th class="text-end km-col">Total KMs</th>
              <th class="text-end">Total Amount</th>
              <th>Att</th>
              <th class="text-end">Actions</th>
            </tr>
          </thead>

          <tbody>
            {% if pending %}
              {% for r in pending %}
                {% set rt = r.reimb_type %}
                {% set req_km = (rt.requires_km_fields if rt else false) %}
                {% set att_count = (r.items|selectattr('attachment_path')|list)|length %}

                <tr data-requires-km="{{ 1 if req_km else 0 }}">
                  <td>{{ loop.index }}</td>
                  <td><a href="{{ url_for('tr.tr_view', req_id=r.id) }}">{{ r.employee.full_name }}</a></td>
                  <td class="fw-semibold">{{ rt.name if rt else 'Reimbursement' }}</td>

                  <td class="text-muted">
                    {{ r.from_date }} → {{ r.to_date }}
                    <div class="small text-muted">{{ '%02d'|format(r.month or 0) }}/{{ r.year or '' }}</div>
                  </td>

                  <td class="text-end km-col">
                    {% if req_km %}
                      {{ '%.2f'|format(r.total_kms or 0) }}
                    {% else %}
                      <span class="text-muted">—</span>
                    {% endif %}
                  </td>

                  <td class="text-end">₹ {{ '%.2f'|format(r.total_amount or 0) }}</td>

                  <td>
                    {% if att_count > 0 %}
                      <a class="btn btn-sm btn-outline-secondary" href="{{ url_for('tr.tr_view', req_id=r.id) }}">
                        <i class="bi bi-paperclip"></i> {{ att_count }}
                      </a>
                    {% else %}
                      <span class="text-muted">—</span>
                    {% endif %}
                  </td>

                  <td class="text-end">
                    <a class="btn btn-sm btn-outline-primary" href="{{ url_for('tr.tr_view', req_id=r.id) }}">
                      <i class="bi bi-eye"></i> View
                    </a>

                    <form method="POST" action="{{ url_for('tr.hr_approve', req_id=r.id) }}"
                          class="d-inline"
                          onsubmit="return confirm('Approve this reimbursement?');">
                      <button class="btn btn-sm btn-success">
                        <i class="bi bi-check2-circle"></i> Approve
                      </button>
                    </form>
                  </td>
                </tr>
              {% endfor %}
            {% else %}
              <tr><td colspan="8" class="text-center text-muted py-4">No pending items.</td></tr>
            {% endif %}
          </tbody>
        </table>
      </div>
    </div>
  </div>

  <!-- Processed -->
  <div class="card shadow-sm">
    <div class="card-header bg-light d-flex justify-content-between align-items-center flex-wrap gap-2">
      <strong>Processed</strong>

      <!-- ✅ Bulk Paid Form -->
      <form method="POST" action="{{ url_for('tr.hr_mark_paid_bulk') }}"
            id="bulk-paid-form"
            class="d-flex align-items-center gap-2">
        <input type="text" name="remark" class="form-control form-control-sm" style="min-width:260px;"
               placeholder="Remark for bulk paid (optional)">
        <button type="submit" class="btn btn-sm btn-success">
          <i class="bi bi-cash-stack me-1"></i> Mark Paid (Selected)
        </button>
      </form>
    </div>

    <div class="card-body p-0">
      <div class="table-responsive" style="max-height:60vh;">
        <table class="table table-striped mb-0 align-middle" id="hrProcessedTable">
          <thead class="table-light position-sticky top-0">
            <tr>
              <!-- ✅ Select all -->
              <th style="width:44px;" class="text-center">
                <input type="checkbox" id="paidChkAll" title="Select all HR-approved">
              </th>

              <th>#</th>
              <th>Employee</th>
              <th>Type</th>
              <th>Date Range</th>
              <th class="text-end km-col">Total KMs</th>
              <th class="text-end">Total Amount</th>
              <th>Att</th>
              <th>Status</th>
              <th class="text-end">Action</th>
            </tr>
          </thead>

          <tbody>
            {% if processed %}
              {% for r in processed %}
                {% set rt = r.reimb_type %}
                {% set req_km = (rt.requires_km_fields if rt else false) %}
                {% set att_count = (r.items|selectattr('attachment_path')|list)|length %}
                {% set can_select = (r.status == 'hr_approved') %}

                <tr data-requires-km="{{ 1 if req_km else 0 }}">
                  <td class="text-center">
                    {% if can_select %}
                      <input type="checkbox" class="paidChkOne" value="{{ r.id }}">
                    {% else %}
                      <span class="text-muted">—</span>
                    {% endif %}
                  </td>

                  <td>{{ loop.index }}</td>
                  <td><a href="{{ url_for('tr.tr_view', req_id=r.id) }}">{{ r.employee.full_name }}</a></td>
                  <td class="fw-semibold">{{ rt.name if rt else 'Reimbursement' }}</td>

                  <td class="text-muted">
                    {{ r.from_date }} → {{ r.to_date }}
                    <div class="small text-muted">{{ '%02d'|format(r.month or 0) }}/{{ r.year or '' }}</div>
                  </td>

                  <td class="text-end km-col">
                    {% if req_km %}
                      {{ '%.2f'|format(r.total_kms or 0) }}
                    {% else %}
                      <span class="text-muted">—</span>
                    {% endif %}
                  </td>

                  <td class="text-end">₹ {{ '%.2f'|format(r.total_amount or 0) }}</td>

                  <td>
                    {% if att_count > 0 %}
                      <a class="btn btn-sm btn-outline-secondary" href="{{ url_for('tr.tr_view', req_id=r.id) }}">
                        <i class="bi bi-paperclip"></i> {{ att_count }}
                      </a>
                    {% else %}
                      <span class="text-muted">—</span>
                    {% endif %}
                  </td>

                  <td>
                    {% if r.status=='hr_approved' %}
                      <span class="badge bg-info">HR Approved</span>
                    {% elif r.status=='paid' %}
                      <span class="badge bg-success">Paid</span>
                    {% else %}
                      <span class="badge bg-danger">Rejected</span>
                    {% endif %}
                  </td>

                  <td class="text-end">
                    {% if r.status=='hr_approved' %}
                      <form method="POST" action="{{ url_for('tr.hr_mark_paid', req_id=r.id) }}"
                            class="d-inline"
                            onsubmit="return confirm('Mark this reimbursement as paid?');">
                        <button class="btn btn-sm btn-outline-success">
                          <i class="bi bi-cash-coin"></i> Mark Paid
                        </button>
                      </form>
                    {% else %}
                      <span class="text-muted">—</span>
                    {% endif %}
                  </td>
                </tr>
              {% endfor %}
            {% else %}
              <tr><td colspan="10" class="text-center text-muted py-4">No processed items.</td></tr>
            {% endif %}
          </tbody>
        </table>
      </div>
    </div>
  </div>

</div>

<script>
(() => {
  // Export CSV (requires month + year)
  const btn = document.getElementById('exportBtn');
  const m = document.getElementById('monthSel');
  const y = document.getElementById('yearInp');

  btn?.addEventListener('click', () => {
    const month = parseInt(m.value || '0', 10);
    const year  = parseInt(y.value || '0', 10);

    if (!month || !year) {
      alert('Pick Month and Year first, then export.');
      return;
    }

    const url = "{{ url_for('tr.hr_disbursement_csv') }}" + `?month=${month}&year=${year}`;
    window.location.href = url;
  });

  // Auto-hide KM columns if no rows need it
  function autoHideKmCols(tableId){
    const table = document.getElementById(tableId);
    if (!table) return;

    const rows = Array.from(table.querySelectorAll('tbody tr[data-requires-km]'));
    if (!rows.length) return;

    const anyNeedsKm = rows.some(r => (r.getAttribute('data-requires-km') === '1'));
    if (anyNeedsKm) return;

    table.querySelectorAll('.km-col').forEach(el => el.style.display = 'none');
  }

  autoHideKmCols('hrPendingTable');
  autoHideKmCols('hrProcessedTable');

  // ✅ Bulk paid selection
  const chkAll = document.getElementById('paidChkAll');
  const bulkForm = document.getElementById('bulk-paid-form');

  function getChecks(){
    return Array.from(document.querySelectorAll('.paidChkOne'));
  }

  chkAll?.addEventListener('change', () => {
    const on = chkAll.checked;
    getChecks().forEach(c => c.checked = on);
  });

  bulkForm?.addEventListener('submit', (e) => {
    // remove old hidden inputs
    bulkForm.querySelectorAll('input[name="req_ids"]').forEach(x => x.remove());

    const selected = getChecks().filter(c => c.checked).map(c => c.value);

    if (!selected.length){
      e.preventDefault();
      alert('Select at least one HR-approved request to mark paid.');
      return;
    }

    // confirm
    if (!confirm(`Mark ${selected.length} reimbursement(s) as paid?`)){
      e.preventDefault();
      return;
    }

    // append hidden inputs
    selected.forEach(id => {
      const inp = document.createElement('input');
      inp.type = 'hidden';
      inp.name = 'req_ids';
      inp.value = id;
      bulkForm.appendChild(inp);
    });
  });
})();
</script>
{% endblock %}