"use client";

import Link from "next/link";
import { ArrowLeft } from "lucide-react";
import { useCallback, useState, type ReactNode } from "react";
import { useTranslation } from "react-i18next";
import { useAsyncEffect } from "@/hooks/use-async-effect";
import { useTranslationRef } from "@/hooks/use-translation-ref";

import { getAdminPlayer } from "@/api/admin-player";
import { getAdminPlayerTicketItems } from "@/api/admin-player-tickets";
import { getAdminTransferOrders, getAdminWalletTransactions } from "@/api/admin-wallet";
import { AdminListPaginationFooter } from "@/components/admin/admin-list-pagination-footer";
import { AdminStatusBadge } from "@/components/admin/admin-status-badge";
import { AdminLoadingState, AdminTableLoadingRow } from "@/components/admin/admin-loading-state";
import { buttonVariants } from "@/components/ui/button";
import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/components/ui/tabs";
import {
  Table,
  TableBody,
  TableCell,
  TableHead,
  TableHeader,
  TableRow,
} from "@/components/ui/table";
import { useAdminCurrencyCatalog } from "@/hooks/use-admin-currency-catalog";
import { useAdminDateTimeFormatter } from "@/hooks/use-admin-datetime-formatter";
import { useAdminPlayCodeLabel } from "@/hooks/use-admin-play-type-catalog";
import { resolvePlayerStatusTone } from "@/lib/admin-status-tone";
import { formatAdminMinorUnits } from "@/lib/money";
import { cn } from "@/lib/utils";
import { LotteryApiBizError } from "@/types/api/errors";
import type { AdminPlayerRow, AdminPlayerWalletRow } from "@/types/api/admin-player";
import type { AdminPlayerTicketItemRow } from "@/types/api/admin-player-tickets";
import type { AdminTransferOrderItem, AdminWalletTxnItem } from "@/types/api/admin-wallet";

function playerStatusLabel(status: number, t: (key: string) => string): string {
  if (status === 0) return t("statusNormal");
  if (status === 1) return t("statusFrozen");
  if (status === 2) return t("statusBanned");
  return String(status);
}

function ticketStatusText(status: string, t: (key: string, opts?: { ns?: string }) => string): string {
  const key = `statusOptions.${status}`;
  const translated = t(key, { ns: "tickets" });
  return translated === key ? status : translated;
}

function walletStatusLabel(status: string, t: (key: string, opts?: { ns?: string }) => string): string {
  switch (status) {
    case "processing":
      return t("statusProcessing", { ns: "wallet" });
    case "success":
      return t("statusSuccess", { ns: "wallet" });
    case "failed":
      return t("statusFailed", { ns: "wallet" });
    case "pending_reconcile":
      return t("statusPendingReconcile", { ns: "wallet" });
    case "reversed":
      return t("statusReversed", { ns: "wallet" });
    case "manually_processed":
      return t("statusCaseClosed", { ns: "wallet" });
    case "posted":
      return t("statusPosted", { ns: "wallet" });
    default:
      return status;
  }
}

function PlayerStatusBadge({ status, t }: { status: number; t: (key: string) => string }) {
  return (
    <AdminStatusBadge status={String(status)} tone={resolvePlayerStatusTone(status)}>
      {playerStatusLabel(status, t)}
    </AdminStatusBadge>
  );
}

function playerDisplayName(row: AdminPlayerRow): string {
  return row.nickname?.trim() || row.username?.trim() || row.site_player_id;
}

function ProfileField({ label, children }: { label: string; children: ReactNode }) {
  return (
    <div className="grid gap-1 sm:grid-cols-[7.5rem_1fr] sm:items-start">
      <dt className="text-xs font-medium text-muted-foreground">{label}</dt>
      <dd className="text-sm">{children}</dd>
    </div>
  );
}

export function PlayerDetailConsole({ playerId }: { playerId: number }) {
  const { t } = useTranslation(["players", "tickets", "wallet", "common"]);
  const tRef = useTranslationRef(["players", "tickets", "wallet", "common"]);
  const formatDt = useAdminDateTimeFormatter();
  const playCodeLabel = useAdminPlayCodeLabel();
  useAdminCurrencyCatalog();

  const [player, setPlayer] = useState<AdminPlayerRow | null>(null);
  const [playerLoading, setPlayerLoading] = useState(true);
  const [playerErr, setPlayerErr] = useState<string | null>(null);

  const [ticketPage, setTicketPage] = useState(1);
  const [ticketPerPage, setTicketPerPage] = useState(10);
  const [tickets, setTickets] = useState<AdminPlayerTicketItemRow[]>([]);
  const [ticketTotal, setTicketTotal] = useState(0);
  const [ticketLastPage, setTicketLastPage] = useState(1);
  const [ticketsLoading, setTicketsLoading] = useState(false);

  const [txnPage, setTxnPage] = useState(1);
  const [txnPerPage, setTxnPerPage] = useState(10);
  const [txns, setTxns] = useState<AdminWalletTxnItem[]>([]);
  const [txnTotal, setTxnTotal] = useState(0);
  const [txnLastPage, setTxnLastPage] = useState(1);
  const [txnsLoading, setTxnsLoading] = useState(false);

  const [transferPage, setTransferPage] = useState(1);
  const [transferPerPage, setTransferPerPage] = useState(10);
  const [transfers, setTransfers] = useState<AdminTransferOrderItem[]>([]);
  const [transferTotal, setTransferTotal] = useState(0);
  const [transferLastPage, setTransferLastPage] = useState(1);
  const [transfersLoading, setTransfersLoading] = useState(false);

  const loadPlayer = useCallback(async () => {
    setPlayerLoading(true);
    setPlayerErr(null);
    try {
      setPlayer(await getAdminPlayer(playerId));
    } catch (e) {
      setPlayer(null);
      setPlayerErr(e instanceof LotteryApiBizError ? e.message : tRef.current("loadFailed"));
    } finally {
      setPlayerLoading(false);
    }
  }, [playerId]);

  const loadTickets = useCallback(async () => {
    setTicketsLoading(true);
    try {
      const d = await getAdminPlayerTicketItems(playerId, {
        page: ticketPage,
        per_page: ticketPerPage,
      });
      setTickets(d.items);
      setTicketTotal(d.total);
      setTicketLastPage(Math.max(1, d.last_page));
    } catch {
      setTickets([]);
      setTicketTotal(0);
      setTicketLastPage(1);
    } finally {
      setTicketsLoading(false);
    }
  }, [playerId, ticketPage, ticketPerPage]);

  const loadTxns = useCallback(async () => {
    setTxnsLoading(true);
    try {
      const d = await getAdminWalletTransactions({
        player_id: playerId,
        page: txnPage,
        per_page: txnPerPage,
      });
      setTxns(d.items);
      setTxnTotal(d.total);
      setTxnLastPage(Math.max(1, Math.ceil(d.total / d.per_page) || 1));
    } catch {
      setTxns([]);
      setTxnTotal(0);
      setTxnLastPage(1);
    } finally {
      setTxnsLoading(false);
    }
  }, [playerId, txnPage, txnPerPage]);

  const loadTransfers = useCallback(async () => {
    setTransfersLoading(true);
    try {
      const d = await getAdminTransferOrders({
        player_id: playerId,
        page: transferPage,
        per_page: transferPerPage,
      });
      setTransfers(d.items);
      setTransferTotal(d.total);
      setTransferLastPage(Math.max(1, Math.ceil(d.total / d.per_page) || 1));
    } catch {
      setTransfers([]);
      setTransferTotal(0);
      setTransferLastPage(1);
    } finally {
      setTransfersLoading(false);
    }
  }, [playerId, transferPage, transferPerPage]);

  useAsyncEffect(() => {
    void loadPlayer();
  }, [loadPlayer]);

  useAsyncEffect(() => {
    if (!player) return;
    void loadTickets();
  }, [player, loadTickets]);

  useAsyncEffect(() => {
    if (!player) return;
    void loadTxns();
  }, [player, loadTxns]);

  useAsyncEffect(() => {
    if (!player) return;
    void loadTransfers();
  }, [player, loadTransfers]);

  if (playerLoading && !player) {
    return <AdminLoadingState minHeight="8rem" className="py-8" />;
  }

  if (playerErr || !player) {
    return (
      <div className="space-y-4">
        <Link href="/admin/players" className={cn(buttonVariants({ variant: "ghost", size: "sm" }), "gap-1")}>
          <ArrowLeft className="size-4" aria-hidden />
          {t("backToList")}
        </Link>
        <p className="text-sm text-destructive">{playerErr ?? t("states.noData", { ns: "common" })}</p>
      </div>
    );
  }

  return (
    <div className="space-y-4">
      <div className="flex flex-wrap items-start justify-between gap-3">
        <div className="space-y-2">
          <Link
            href="/admin/players"
            className={cn(buttonVariants({ variant: "ghost", size: "sm" }), "-ml-2 gap-1")}
          >
            <ArrowLeft className="size-4" aria-hidden />
            {t("backToList")}
          </Link>
          <div>
            <h1 className="text-xl font-semibold tracking-tight">{playerDisplayName(player)}</h1>
            <p className="mt-1 text-sm text-muted-foreground">
              {t("detailSubtitle", {
                site: player.site_code,
                sitePlayerId: player.site_player_id,
                playerId: player.id,
              })}
            </p>
          </div>
        </div>
        <PlayerStatusBadge status={player.status} t={t} />
      </div>

      <Tabs defaultValue="overview" className="gap-4">
        <TabsList variant="line" className="w-full justify-start border-b rounded-none bg-transparent p-0">
          <TabsTrigger value="overview" className="rounded-none px-3">
            {t("tabOverview")}
          </TabsTrigger>
          <TabsTrigger value="tickets" className="rounded-none px-3">
            {t("tabTickets")}
          </TabsTrigger>
          <TabsTrigger value="wallet" className="rounded-none px-3">
            {t("tabWalletTxns")}
          </TabsTrigger>
          <TabsTrigger value="transfers" className="rounded-none px-3">
            {t("tabTransferOrders")}
          </TabsTrigger>
        </TabsList>

        <TabsContent value="overview" className="mt-0 space-y-4">
          <Card>
            <CardHeader className="pb-3">
              <CardTitle className="text-base">{t("profileSection")}</CardTitle>
            </CardHeader>
            <CardContent className="grid gap-4 sm:grid-cols-2">
              <dl className="space-y-3">
                <ProfileField label={t("site")}>{player.site_code}</ProfileField>
                <ProfileField label={t("sitePlayerId")}>
                  <span className="font-mono">{player.site_player_id}</span>
                </ProfileField>
                <ProfileField label="ID">
                  <span className="font-mono">{player.id}</span>
                </ProfileField>
                <ProfileField label={t("username")}>{player.username ?? "—"}</ProfileField>
                <ProfileField label={t("nickname")}>{player.nickname ?? "—"}</ProfileField>
              </dl>
              <dl className="space-y-3">
                <ProfileField label={t("currency")}>{player.default_currency}</ProfileField>
                <ProfileField label={t("status")}>
                  <PlayerStatusBadge status={player.status} t={t} />
                </ProfileField>
                <ProfileField label={t("lastLogin")}>
                  {player.last_login_at ? formatDt(player.last_login_at) : "—"}
                </ProfileField>
                <ProfileField label={t("createdAt")}>
                  {formatDt(player.created_at)}
                </ProfileField>
                <ProfileField label={t("agent")}>
                  {player.agent_name ?? player.agent_code ?? "—"}
                  {player.agent_code && player.agent_name ? (
                    <span className="ml-1 font-mono text-xs text-muted-foreground">
                      ({player.agent_code})
                    </span>
                  ) : null}
                </ProfileField>
              </dl>
            </CardContent>
          </Card>

          <Card>
            <CardHeader className="pb-3">
              <CardTitle className="text-base">{t("walletsSection")}</CardTitle>
            </CardHeader>
            <CardContent>
              {player.wallets.length === 0 ? (
                <p className="text-sm text-muted-foreground">{t("states.noData", { ns: "common" })}</p>
              ) : (
                <div className="grid gap-3 sm:grid-cols-2 lg:grid-cols-3">
                  {player.wallets.map((w: AdminPlayerWalletRow) => (
                    <div
                      key={`${w.wallet_type}-${w.currency_code}`}
                      className="rounded-lg border bg-muted/20 px-3 py-2.5"
                    >
                      <p className="text-xs font-medium text-muted-foreground">
                        {w.wallet_type} · {w.currency_code}
                      </p>
                      <p className="mt-1 text-sm">
                        {t("balance")}{" "}
                        <span className="font-semibold tabular-nums">
                          {formatAdminMinorUnits(w.balance, w.currency_code)}
                        </span>
                      </p>
                      <p className="text-xs text-muted-foreground">
                        {t("available")}{" "}
                        <span className="tabular-nums">
                          {formatAdminMinorUnits(w.available_balance, w.currency_code)}
                        </span>
                        {w.frozen_balance > 0 ? (
                          <>
                            {" · "}
                            {t("frozen", { defaultValue: "冻结" })}{" "}
                            <span className="tabular-nums">
                              {formatAdminMinorUnits(w.frozen_balance, w.currency_code)}
                            </span>
                          </>
                        ) : null}
                      </p>
                    </div>
                  ))}
                </div>
              )}
            </CardContent>
          </Card>
        </TabsContent>

        <TabsContent value="tickets" className="mt-0">
          <Card className="admin-list-card">
            <CardHeader className="admin-list-header">
              <CardTitle className="admin-list-title">{t("tabTickets")}</CardTitle>
            </CardHeader>
            <CardContent className="admin-list-content">
              <div className="admin-table-shell">
                <Table>
                  <TableHeader>
                    <TableRow>
                      <TableHead>{t("ticketNo", { ns: "tickets" })}</TableHead>
                      <TableHead>{t("drawNo", { ns: "tickets" })}</TableHead>
                      <TableHead>{t("playCode", { ns: "tickets" })}</TableHead>
                      <TableHead>{t("number", { ns: "tickets" })}</TableHead>
                      <TableHead className="text-center">{t("actualDeduct", { ns: "tickets" })}</TableHead>
                      <TableHead>{t("status", { ns: "tickets" })}</TableHead>
                      <TableHead>{t("placedAt", { ns: "tickets" })}</TableHead>
                    </TableRow>
                  </TableHeader>
                  <TableBody>
                    {ticketsLoading && tickets.length === 0 ? (
                      <AdminTableLoadingRow colSpan={7} />
                    ) : null}
                    {tickets.map((row) => (
                      <TableRow key={row.ticket_no}>
                        <TableCell className="font-mono text-xs">{row.ticket_no}</TableCell>
                        <TableCell className="font-mono text-xs">{row.draw_no ?? "—"}</TableCell>
                        <TableCell className="text-xs">{playCodeLabel(row.play_code)}</TableCell>
                        <TableCell className="font-mono text-xs">{row.original_number ?? "—"}</TableCell>
                        <TableCell className="text-center text-xs tabular-nums">
                          {row.actual_deduct_amount_formatted}
                        </TableCell>
                        <TableCell className="text-xs">
                          <AdminStatusBadge status={row.status}>
                            {ticketStatusText(row.status, t)}
                          </AdminStatusBadge>
                        </TableCell>
                        <TableCell className="text-xs text-muted-foreground">
                          {row.placed_at ? formatDt(row.placed_at) : "—"}
                        </TableCell>
                      </TableRow>
                    ))}
                    {!ticketsLoading && tickets.length === 0 ? (
                      <TableRow>
                        <TableCell colSpan={7} className="text-muted-foreground">
                          {t("states.noData", { ns: "common" })}
                        </TableCell>
                      </TableRow>
                    ) : null}
                  </TableBody>
                </Table>
              </div>
              <AdminListPaginationFooter
                selectId="player-detail-tickets"
                total={ticketTotal}
                page={ticketPage}
                lastPage={ticketLastPage}
                perPage={ticketPerPage}
                loading={ticketsLoading}
                onPerPageChange={(n) => {
                  setTicketPerPage(n);
                  setTicketPage(1);
                }}
                onPageChange={setTicketPage}
              />
            </CardContent>
          </Card>
        </TabsContent>

        <TabsContent value="wallet" className="mt-0">
          <Card className="admin-list-card">
            <CardHeader className="admin-list-header">
              <CardTitle className="admin-list-title">{t("tabWalletTxns")}</CardTitle>
            </CardHeader>
            <CardContent className="admin-list-content">
              <div className="admin-table-shell">
                <Table>
                  <TableHeader>
                    <TableRow>
                      <TableHead>{t("txnNo", { ns: "wallet" })}</TableHead>
                      <TableHead>{t("bizType", { ns: "wallet" })}</TableHead>
                      <TableHead className="text-center">{t("txnAmount")}</TableHead>
                      <TableHead className="text-center">{t("balanceAfterTxn")}</TableHead>
                      <TableHead>{t("status")}</TableHead>
                      <TableHead>{t("createdAt")}</TableHead>
                    </TableRow>
                  </TableHeader>
                  <TableBody>
                    {txnsLoading && txns.length === 0 ? <AdminTableLoadingRow colSpan={6} /> : null}
                    {txns.map((row) => (
                      <TableRow key={row.id}>
                        <TableCell className="font-mono text-xs">{row.txn_no}</TableCell>
                        <TableCell className="text-xs">{row.biz_type}</TableCell>
                        <TableCell className="text-center text-xs tabular-nums">
                          {formatAdminMinorUnits(row.amount, player.default_currency)}
                        </TableCell>
                        <TableCell className="text-center text-xs tabular-nums">
                          {formatAdminMinorUnits(row.balance_after, player.default_currency)}
                        </TableCell>
                        <TableCell className="text-xs">
                          <AdminStatusBadge status={row.status}>
                            {walletStatusLabel(row.status, t)}
                          </AdminStatusBadge>
                        </TableCell>
                        <TableCell className="text-xs text-muted-foreground">
                          {row.created_at ? formatDt(row.created_at) : "—"}
                        </TableCell>
                      </TableRow>
                    ))}
                    {!txnsLoading && txns.length === 0 ? (
                      <TableRow>
                        <TableCell colSpan={6} className="text-muted-foreground">
                          {t("states.noData", { ns: "common" })}
                        </TableCell>
                      </TableRow>
                    ) : null}
                  </TableBody>
                </Table>
              </div>
              <AdminListPaginationFooter
                selectId="player-detail-txns"
                total={txnTotal}
                page={txnPage}
                lastPage={txnLastPage}
                perPage={txnPerPage}
                loading={txnsLoading}
                onPerPageChange={(n) => {
                  setTxnPerPage(n);
                  setTxnPage(1);
                }}
                onPageChange={setTxnPage}
              />
            </CardContent>
          </Card>
        </TabsContent>

        <TabsContent value="transfers" className="mt-0">
          <Card className="admin-list-card">
            <CardHeader className="admin-list-header">
              <CardTitle className="admin-list-title">{t("tabTransferOrders")}</CardTitle>
            </CardHeader>
            <CardContent className="admin-list-content">
              <div className="admin-table-shell">
                <Table>
                  <TableHeader>
                    <TableRow>
                      <TableHead>{t("localTransferNo", { ns: "wallet" })}</TableHead>
                      <TableHead>{t("direction", { ns: "wallet" })}</TableHead>
                      <TableHead className="text-center">{t("amount", { ns: "wallet" })}</TableHead>
                      <TableHead>{t("status")}</TableHead>
                      <TableHead>{t("requestTime", { ns: "wallet" })}</TableHead>
                    </TableRow>
                  </TableHeader>
                  <TableBody>
                    {transfersLoading && transfers.length === 0 ? (
                      <AdminTableLoadingRow colSpan={5} />
                    ) : null}
                    {transfers.map((row) => (
                      <TableRow key={row.id}>
                        <TableCell className="font-mono text-xs">{row.transfer_no}</TableCell>
                        <TableCell className="text-xs">{row.direction}</TableCell>
                        <TableCell className="text-center text-xs tabular-nums">
                          {formatAdminMinorUnits(row.amount, row.currency_code)}
                        </TableCell>
                        <TableCell className="text-xs">
                          <AdminStatusBadge status={row.status}>
                            {walletStatusLabel(row.status, t)}
                          </AdminStatusBadge>
                        </TableCell>
                        <TableCell className="text-xs text-muted-foreground">
                          {row.created_at ? formatDt(row.created_at) : "—"}
                        </TableCell>
                      </TableRow>
                    ))}
                    {!transfersLoading && transfers.length === 0 ? (
                      <TableRow>
                        <TableCell colSpan={5} className="text-muted-foreground">
                          {t("states.noData", { ns: "common" })}
                        </TableCell>
                      </TableRow>
                    ) : null}
                  </TableBody>
                </Table>
              </div>
              <AdminListPaginationFooter
                selectId="player-detail-transfers"
                total={transferTotal}
                page={transferPage}
                lastPage={transferLastPage}
                perPage={transferPerPage}
                loading={transfersLoading}
                onPerPageChange={(n) => {
                  setTransferPerPage(n);
                  setTransferPage(1);
                }}
                onPageChange={setTransferPage}
              />
            </CardContent>
          </Card>
        </TabsContent>
      </Tabs>
    </div>
  );
}