import {
  type DocumentLayout,
  FIELDS,
  blankLine,
  commentsOnly,
  descriptionColumn,
  itemColumn,
  priceColumn,
  quantityColumn,
  today,
  warehouseColumn,
} from '../document-layouts';
import type { GridColumn } from '../../../shared/grid/grid.types';
import { ANALYTIC_COLUMNS, lineFieldsOf } from '../line-columns';

/** Entradas y salidas de mercancía: artículo, cantidad, almacén y precio (opcional: si falta, SAP usa el costo). */
const goodsColumns: readonly GridColumn[] = [itemColumn, descriptionColumn, quantityColumn, { ...warehouseColumn, required: true }, priceColumn, ...ANALYTIC_COLUMNS];
export const goodsLayout: DocumentLayout = {
  lines: { key: 'DocumentLines', fields: [...lineFieldsOf(goodsColumns), 'UoMEntry'], base: false },
  header: { left: [FIELDS.docDate, FIELDS.indicator, FIELDS.project], right: [FIELDS.docNumber] },
  footer: commentsOnly,
  columns: goodsColumns,
  newHeader: () => ({ DocDate: today() }),
  newLine: () => ({ ...blankLine(), Price: null }),
  immutable: true,
  requiredLine: [{ key: 'WarehouseCode', label: 'el almacén' }],
};

/** Transferencias de stock y solicitudes de traslado: almacén origen y destino en la cabecera y en cada línea. */
const transfer = (immutable: boolean): DocumentLayout => {
  const columns: readonly GridColumn[] = [
    itemColumn,
    descriptionColumn,
    quantityColumn,
    {
      ...warehouseColumn,
      key: 'FromWarehouseCode',
      title: 'Almacén origen',
      required: true,
      lookup: { ...warehouseColumn.lookup!, apply: (wh, line) => ({ ...line, FromWarehouseCode: wh['WarehouseCode'] }) },
    },
    { ...warehouseColumn, title: 'Almacén destino', required: true },
    ...ANALYTIC_COLUMNS,
  ];
  return {
    lines: { key: 'StockTransferLines', fields: [...lineFieldsOf(columns), 'UoMEntry'], base: false },
    header: { left: [FIELDS.fromWarehouse, FIELDS.toWarehouse, FIELDS.indicator, FIELDS.project], right: [FIELDS.docNumber, FIELDS.docDate] },
    footer: commentsOnly,
    columns,
    newHeader: () => ({ DocDate: today() }),
    newLine: (header) => ({
      ...blankLine(),
      FromWarehouseCode: header['FromWarehouse'] ?? '',
      WarehouseCode: header['ToWarehouse'] ?? '',
    }),
    immutable,
    requiredLine: [
      { key: 'FromWarehouseCode', label: 'el almacén origen' },
      { key: 'WarehouseCode', label: 'el almacén destino' },
    ],
  };
};

export const transferLayout: DocumentLayout = transfer(true);
export const transferRequestLayout: DocumentLayout = transfer(false);