import SortTh from './SortTh';

function fmt(val) {
  return `$${Number(val || 0).toFixed(2)}`;
}

function inferItemType(item) {
  const match = String(item?.description || '').match(/\bR(\d{2})\b/i);
  if (match) {
    return Number(match[1]) <= 0
      ? { label: 'New', badgeClass: 'badge-initial' }
      : { label: 'Revision', badgeClass: 'badge-client_revision' };
  }
  if (item?.task_id) return { label: 'Task', badgeClass: 'badge-in_progress' };
  return { label: 'Other', badgeClass: 'badge-initial' };
}

export default function SubcontractorInvoiceDetailView({
  error,
  headerActions,
  leftCardTitle,
  leftCardBody,
  rightCardTitle,
  rightCardBody,
  sortKey,
  sortDir,
  onSort,
  items,
  notes,
  total,
}) {
  return (
    <div className="invoice-detail-shell">
      {error ? <div className="notification notification-info" style={{ marginBottom: 16, flexShrink: 0 }}>{error}</div> : null}

      <div className="invoice-detail-stack">
        <div className="invoice-detail-summary-grid">
          <div className="card invoice-detail-card">
            <div className="invoice-detail-section-title">{leftCardTitle}</div>
            {leftCardBody}
          </div>
          <div className="card invoice-detail-card">
            <div className="invoice-detail-card-header">
              <div className="invoice-detail-section-title" style={{ marginBottom: 0 }}>{rightCardTitle}</div>
              {headerActions ? <div className="invoice-detail-card-actions">{headerActions}</div> : null}
            </div>
            {rightCardBody}
          </div>
        </div>

        <div className="card invoice-detail-card invoice-detail-line-items-card">
          <div className="invoice-detail-section-title">Line Items</div>
          {items.length === 0 ? (
            <div className="card-empty-center" style={{ minHeight: 120 }}>No line items.</div>
          ) : (
            <div className="scrollbar-thin-theme table-scroll-hidden" style={{ overflowY: 'auto' }}>
              <table className="table-sticky-head invoice-detail-table" style={{ width: '100%', borderCollapse: 'collapse', tableLayout: 'fixed' }}>
                <colgroup>
                  <col style={{ width: '12%' }} />
                  <col style={{ width: '46%' }} />
                  <col style={{ width: '14%' }} />
                  <col style={{ width: '14%' }} />
                  <col style={{ width: '14%' }} />
                </colgroup>
                <thead>
                  <tr>
                    <SortTh col="type" sortKey={sortKey} sortDir={sortDir} onSort={onSort}>Type</SortTh>
                    <SortTh col="description" sortKey={sortKey} sortDir={sortDir} onSort={onSort}>Description</SortTh>
                    <SortTh col="quantity" sortKey={sortKey} sortDir={sortDir} onSort={onSort} style={{ textAlign: 'center' }}>Qty</SortTh>
                    <SortTh col="unit_price" sortKey={sortKey} sortDir={sortDir} onSort={onSort} style={{ textAlign: 'right' }}>Unit Price</SortTh>
                    <SortTh col="line_total" sortKey={sortKey} sortDir={sortDir} onSort={onSort} style={{ textAlign: 'right' }}>Total</SortTh>
                  </tr>
                </thead>
                <tbody>
                  {items.map((item) => {
                    const itemType = inferItemType(item);
                    return (
                      <tr key={item.id}>
                        <td style={{ padding: '5px 0' }}>
                          <span className={`badge ${itemType.badgeClass}`}>{itemType.label}</span>
                        </td>
                        <td className="invoice-detail-cell">{item.description}</td>
                        <td className="invoice-detail-cell" style={{ textAlign: 'center' }}>{item.quantity}</td>
                        <td className="invoice-detail-cell" style={{ textAlign: 'right' }}>{fmt(item.unit_price)}</td>
                        <td className="invoice-detail-cell" style={{ textAlign: 'right', fontWeight: 400 }}>
                          {fmt(Number(item.unit_price || 0) * Number(item.quantity || 1))}
                        </td>
                      </tr>
                    );
                  })}
                </tbody>
              </table>
            </div>
          )}
          <div className="invoice-detail-total-row">
            <div style={{ textAlign: 'right' }}>
              <div className="invoice-detail-total-label">Total</div>
              <div className="invoice-detail-total-value">{fmt(total)}</div>
            </div>
          </div>
        </div>

        {notes ? (
          <div className="card invoice-detail-card">
            <div className="invoice-detail-section-title">Notes</div>
            <p className="invoice-detail-notes">{notes}</p>
          </div>
        ) : null}
      </div>
    </div>
  );
}