"use client";

import type { ColumnDef } from "@tanstack/react-table";
import { displayCell, standardAssetLeadColumns } from "@/app/customer/_lib/asset-column-builders";

import type {
  CustomerPagePermissions,
  CustomerRowPermissions,
} from "@/app/customer/_lib/customer-api-permissions";
import { resolveRowActionPermissions } from "@/app/customer/_lib/customer-api-permissions";
import {
  labelForGridColumn,
  type CustomerGridColumn,
} from "@/app/customer/_lib/customer-grid-columns";
import { CustomerSortableHeader } from "@/components/customer/customer-table-primitives";
import {
  TransactionRowStockActions,
  type StockChildMenuItem,
} from "@/components/form/transaction-workspace/list-table-form-actions";
import { formatAmount } from "@/lib/format/numbers";
import { formatApiDate } from "@/lib/format/dates";
import { cn } from "@/lib/utils";

import type { LeverageRow } from "./schema";

export const LEVERAGE_OPTIONS_COLUMN_ID = "options";

export const FALLBACK_LEVERAGE_GRID_COLUMNS: CustomerGridColumn[] = [
  { key: "uid_title", label: "Ref. ID", defaultVisible: true },
  { key: "placement_date", label: "Placement Date", defaultVisible: true },
  { key: "bank", label: "Bank", defaultVisible: true },
  { key: "duration_title", label: "Time Period", defaultVisible: true },
  { key: "maturity_date", label: "Maturity Date", defaultVisible: true },
  { key: "transaction_type", label: "Transaction", defaultVisible: true },
  { key: "currency", label: "Currency", defaultVisible: true },
  { key: "amount_formatted", label: "Amount", defaultVisible: true },
];


function buildLeverageSaleFormHref(listPath: string, parentId: string): string {
  const params = new URLSearchParams({ pid: parentId.trim() });
  return `${listPath}/form?${params.toString()}`;
}

function buildLeverageChildMenuItems(
  row: LeverageRow,
  formListPath: string | undefined,
  pagePermissions?: CustomerPagePermissions,
): StockChildMenuItem[] {
  if (!formListPath || !row.id) {
    return [];
  }

  const canSale =
    row.permissions?.create_sale === true ||
    Boolean(row.saleUrl) ||
    (Boolean(pagePermissions?.create) && row.isPurchase === true);

  if (!canSale || row.isPurchase === false) {
    return [];
  }

  return [
    {
      key: "sale",
      label: "Sale",
      href: buildLeverageSaleFormHref(formListPath, row.id),
    },
  ];
}

/** Leverage columns matching Yii1 list order (see LeverageFrm::gridColumns). */
export function createLeverageColumns(
  gridColumns: CustomerGridColumn[] | undefined,
  onView: (row: LeverageRow) => void,
  onEdit?: (row: LeverageRow) => void,
  options: { listPath?: string; pagePermissions?: CustomerPagePermissions } = {},
): ColumnDef<LeverageRow>[] {
  return [
    ...standardAssetLeadColumns<LeverageRow>({ gridColumns }),
    {
      id: "duration_title",
      accessorKey: "timePeriod",
      header: ({ column }) => (
        <CustomerSortableHeader
          label={labelForGridColumn(gridColumns, "duration_title", "Time Period")}
          column={column}
        />
      ),
      cell: ({ row }) => <span className="text-sm">{displayCell(row.original.timePeriod)}</span>,
    },
    {
      id: "maturity_date",
      accessorKey: "maturityDate",
      header: ({ column }) => (
        <CustomerSortableHeader
          label={labelForGridColumn(gridColumns, "maturity_date", "Maturity Date")}
          column={column}
        />
      ),
      cell: ({ row }) => (
        <span className="whitespace-nowrap text-sm">
          {row.original.maturityDate
            ? formatApiDate(row.original.maturityDate, "dd MMM yyyy", row.original.maturityDate)
            : "—"}
        </span>
      ),
    },
    {
      id: "transaction_type",
      accessorKey: "transaction",
      header: ({ column }) => (
        <CustomerSortableHeader
          label={labelForGridColumn(gridColumns, "transaction_type", "Transaction")}
          column={column}
        />
      ),
      cell: ({ row }) => <span className="text-sm">{displayCell(row.original.transaction)}</span>,
    },
    {
      id: "currency",
      accessorKey: "currency",
      header: ({ column }) => (
        <CustomerSortableHeader
          label={labelForGridColumn(gridColumns, "currency", "Currency")}
          column={column}
        />
      ),
      cell: ({ row }) => <span className="text-sm">{displayCell(row.original.currency)}</span>,
    },
    {
      id: "amount_formatted",
      accessorKey: "amount",
      header: ({ column }) => (
        <CustomerSortableHeader
          label={labelForGridColumn(gridColumns, "amount_formatted", "Amount")}
          column={column}
        />
      ),
      cell: ({ row }) => (
        <span
          className={cn(
            "block text-right font-medium text-sm tabular-nums",
            row.original.amount < 0
              ? "text-red-600 dark:text-red-400"
              : row.original.amount > 0
                ? "text-green-600 dark:text-green-400"
                : "",
          )}
        >
          {row.original.amountDisplay ?? formatAmount(row.original.amount)}
        </span>
      ),
    },
    {
      id: LEVERAGE_OPTIONS_COLUMN_ID,
      header: () => <span className="font-medium text-sm">Options</span>,
      cell: ({ row }) => {
        const { canView, canEdit } = resolveRowActionPermissions(
          row.original.permissions as CustomerRowPermissions,
          { allowViewFallback: false, allowEditFallback: false },
        );
        const childMenuItems = buildLeverageChildMenuItems(
          row.original,
          options.listPath,
          options.pagePermissions,
        );

        if (!canView && !canEdit && childMenuItems.length === 0) {
          return <span className="block text-center text-muted-foreground text-sm">—</span>;
        }

        return (
          <TransactionRowStockActions
            rowName={row.original.name || row.original.refId}
            canView={canView}
            canEdit={canEdit && Boolean(onEdit)}
            childMenuItems={childMenuItems}
            onView={() => onView(row.original)}
            onEdit={onEdit ? () => onEdit(row.original) : undefined}
          />
        );
      },
      enableSorting: false,
    },
  ];
}