"use client";

import { Eye, Lock } from "lucide-react";
import { useTranslation } from "react-i18next";

import type { SettlementPeriodRow } from "@/api/admin-agent-settlement";
import { AdminTableNoResourceRow } from "@/components/admin/admin-no-resource-state";
import { AdminTableLoadingRow } from "@/components/admin/admin-loading-state";
import { AdminRowActionsMenu } from "@/components/admin/admin-row-actions-menu";
import { AdminStatusBadge } from "@/components/admin/admin-status-badge";
import { formatSettlementPeriodSpan } from "@/lib/agent-settlement-period-range";
import { cn } from "@/lib/utils";
import { formatDashboardMoneyMinor } from "@/modules/dashboard/use-dashboard-analytics";
import { signedSettlementMoneyClass } from "@/modules/settlement/settlement-signed-money";
import { settlementPeriodStatusLabel } from "@/modules/settlement/settlement-status-label";
import {
  Table,
  TableBody,
  TableCell,
  TableHead,
  TableHeader,
  TableRow,
} from "@/components/ui/table";

const COL_SPAN = 9;

type SettlementPeriodsTableProps = {
  periods: SettlementPeriodRow[];
  loading?: boolean;
  canManage: boolean;
  busy?: boolean;
  currencyCode?: string;
  emptyMessage?: string;
  onViewDetail: (periodId: number) => void;
  onRequestClose: (row: SettlementPeriodRow) => void;
};

export function SettlementPeriodsTable({
  periods,
  loading = false,
  canManage,
  busy = false,
  currencyCode = "NPR",
  emptyMessage,
  onViewDetail,
  onRequestClose,
}: SettlementPeriodsTableProps): React.ReactElement {
  const { t } = useTranslation(["settlementCenter", "agents", "common"]);

  const billCount = (row: SettlementPeriodRow): number =>
    (row.summary?.player_bills ?? 0)
    + (row.summary?.agent_bills ?? 0)
    + (row.summary?.adjustment_bills ?? 0);

  const winLossScope = periods.find((row) => row.pipeline?.win_loss_scope)?.pipeline?.win_loss_scope
    ?? "platform";
  const winLossLabel =
    winLossScope === "agent"
      ? t("periodTable.agentWinLoss", { defaultValue: "代理输赢" })
      : t("periodTable.platformWinLoss", { defaultValue: "平台输赢" });

  return (
    <div className="admin-table-shell overflow-x-auto">
      <Table>
        <TableHeader>
          <TableRow>
            <TableHead>{t("periodTable.range", { defaultValue: "账期" })}</TableHead>
            <TableHead>{t("columns.status", { defaultValue: "状态" })}</TableHead>
            <TableHead className="text-right">
              {t("periodTable.shareLedger", { defaultValue: "占成流水" })}
            </TableHead>
            <TableHead className="text-right">{winLossLabel}</TableHead>
            <TableHead className="text-right">
              {t("agents:settlementReports.summary.billCount", { defaultValue: "账单数" })}
            </TableHead>
            <TableHead className="text-right">
              {t("periodTable.pending", { defaultValue: "待确认" })}
            </TableHead>
            <TableHead className="text-right">
              {t("periodTable.awaiting", { defaultValue: "待收付" })}
            </TableHead>
            <TableHead className="text-right">
              {t("agents:settlementReports.summary.totalUnpaid", { defaultValue: "未结合计" })}
            </TableHead>
            <TableHead className="sticky right-0 z-10 w-36 bg-muted text-center shadow-[-1px_0_0_rgba(203,213,225,0.7)]">
              {t("common:table.actions", { defaultValue: "操作" })}
            </TableHead>
          </TableRow>
        </TableHeader>
        <TableBody>
          {loading ? (
            <AdminTableLoadingRow colSpan={COL_SPAN} />
          ) : periods.length === 0 ? (
            <AdminTableNoResourceRow colSpan={COL_SPAN} message={emptyMessage} />
          ) : (
            periods.map((row) => {
              const canCloseRow = canManage && row.status === "open";
              const todoCount =
                (row.summary?.pending_confirm ?? 0) + (row.summary?.awaiting_payment ?? 0);
              const detailLabel =
                todoCount > 0
                  ? t("periodTable.processBills", { defaultValue: "处理账单" })
                  : t("periodTable.viewDetail", { defaultValue: "查看详情" });

              return (
                <TableRow key={row.id}>
                  <TableCell className="font-medium whitespace-nowrap">
                    {formatSettlementPeriodSpan(row.period_start, row.period_end)}
                  </TableCell>
                  <TableCell>
                    <AdminStatusBadge status={row.status}>
                      {settlementPeriodStatusLabel(row.status, t)}
                    </AdminStatusBadge>
                  </TableCell>
                  <TableCell className="text-right tabular-nums">
                    {row.pipeline?.share_ledger_count ?? "—"}
                  </TableCell>
                  <TableCell
                    className={cn(
                      "text-right tabular-nums whitespace-nowrap",
                      row.pipeline?.game_win_loss_total != null
                        ? signedSettlementMoneyClass(row.pipeline.game_win_loss_total, true)
                        : undefined,
                    )}
                  >
                    {row.pipeline?.game_win_loss_total != null
                      ? formatDashboardMoneyMinor(row.pipeline.game_win_loss_total, currencyCode)
                      : "—"}
                  </TableCell>
                  <TableCell className="text-right tabular-nums">
                    {billCount(row) > 0 ? billCount(row) : "—"}
                  </TableCell>
                  <TableCell className="text-right tabular-nums">
                    {row.summary?.pending_confirm ?? "—"}
                  </TableCell>
                  <TableCell className="text-right tabular-nums">
                    {row.summary?.awaiting_payment ?? "—"}
                  </TableCell>
                  <TableCell className="text-right tabular-nums whitespace-nowrap">
                    {(row.summary?.total_unpaid ?? 0) > 0
                      ? formatDashboardMoneyMinor(row.summary?.total_unpaid ?? 0, currencyCode)
                      : "—"}
                  </TableCell>
                  <TableCell
                    className="sticky right-0 z-10 bg-card text-center shadow-[-1px_0_0_rgba(203,213,225,0.7)]"
                    onClick={(e) => e.stopPropagation()}
                  >
                    <AdminRowActionsMenu
                      busy={busy}
                      actions={[
                        {
                          key: "detail",
                          label: detailLabel,
                          icon: Eye,
                          onClick: () => onViewDetail(row.id),
                        },
                        {
                          key: "close",
                          label: t("periodTable.close", { defaultValue: "关账" }),
                          icon: Lock,
                          hidden: !canCloseRow,
                          onClick: () => onRequestClose(row),
                        },
                      ]}
                    />
                  </TableCell>
                </TableRow>
              );
            })
          )}
        </TableBody>
      </Table>
    </div>
  );
}