'use client';

import Link from 'next/link';
import {
  Table,
  TableBody,
  TableCell,
  TableHead,
  TableHeader,
  TableRow,
} from '@/components/ui/table';
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
import { Badge } from '@/components/ui/badge';
import { Skeleton } from '@/components/ui/skeleton';
import { Button } from '@/components/ui/button';
import { formatDecimal } from '@/lib/utils/format';
import { getAccountDisplayInfo, type SystemAccount } from '@/types/system-account';
import { getRegionDisplayName } from '@/lib/constants/region-codes';
import { formatDistanceToNow } from 'date-fns';
import { zhCN } from 'date-fns/locale';
import { FileText } from 'lucide-react';

interface AccountsTableProps {
  title: string;
  accounts: SystemAccount[];
  isLoading?: boolean;
  showSyncInfo?: boolean;
  showMiningData?: boolean;
}

export function AccountsTable({
  title,
  accounts,
  isLoading = false,
  showSyncInfo = false,
  showMiningData = true,
}: AccountsTableProps) {
  // 计算列数
  const getColumnCount = () => {
    let count = 5; // 基础列: 类型, 名称, 算力, 来源, 操作
    if (showMiningData) count += 1; // 已挖积分股
    if (showSyncInfo) count += 1; // 同步时间
    return count;
  };

  return (
    <Card>
      <CardHeader>
        <CardTitle className="text-lg flex items-center gap-2">
          {title}
          {accounts.length > 0 && (
            <Badge variant="secondary" className="text-xs">
              {accounts.length} 个账户
            </Badge>
          )}
        </CardTitle>
      </CardHeader>
      <CardContent className="p-0">
        <Table>
          <TableHeader>
            <TableRow>
              <TableHead className="w-[180px]">账户类型</TableHead>
              <TableHead>账户名称</TableHead>
              <TableHead className="text-right">算力</TableHead>
              {showMiningData && (
                <TableHead className="text-right">已挖积分股</TableHead>
              )}
              <TableHead>来源</TableHead>
              {showSyncInfo && <TableHead>同步时间</TableHead>}
              <TableHead className="w-[100px]">操作</TableHead>
            </TableRow>
          </TableHeader>
          <TableBody>
            {isLoading ? (
              [...Array(3)].map((_, i) => (
                <TableRow key={i}>
                  {[...Array(getColumnCount())].map((_, j) => (
                    <TableCell key={j}>
                      <Skeleton className="h-4 w-full" />
                    </TableCell>
                  ))}
                </TableRow>
              ))
            ) : accounts.length === 0 ? (
              <TableRow>
                <TableCell
                  colSpan={getColumnCount()}
                  className="text-center text-muted-foreground py-8"
                >
                  暂无数据
                </TableCell>
              </TableRow>
            ) : (
              accounts.map((account) => {
                const displayInfo = getAccountDisplayInfo(account.accountType);
                const contribution = account.contributionBalance || account.totalContribution || '0';
                const totalMined = account.totalMined || '0';

                // 使用前端区域代码映射获取显示名称
                const displayName = account.regionCode
                  ? getRegionDisplayName(account.regionCode, account.accountType)
                  : (account.name || displayInfo.label);

                return (
                  <TableRow key={account.accountType + (account.regionCode || '')}>
                    <TableCell>
                      <div className="flex items-center gap-2">
                        <span
                          className={`inline-block w-2 h-2 rounded-full ${displayInfo.color.replace('text-', 'bg-')}`}
                        />
                        <code className="text-xs bg-muted px-1.5 py-0.5 rounded">
                          {account.accountType}
                          {account.regionCode && `_${account.regionCode}`}
                        </code>
                      </div>
                    </TableCell>
                    <TableCell className="font-medium">
                      {displayName}
                    </TableCell>
                    <TableCell className="text-right font-mono">
                      {formatDecimal(contribution, 8)}
                      {account.contributionNeverExpires && (
                        <Badge variant="outline" className="ml-2 text-xs">
                          永久
                        </Badge>
                      )}
                    </TableCell>
                    {showMiningData && (
                      <TableCell className="text-right font-mono">
                        <span className={Number(totalMined) > 0 ? 'text-green-600' : 'text-muted-foreground'}>
                          {formatDecimal(totalMined, 8)}
                        </span>
                      </TableCell>
                    )}
                    <TableCell>
                      <Badge
                        variant={account.source === 'synced' ? 'default' : 'secondary'}
                        className="text-xs"
                      >
                        {account.source === 'synced' ? 'CDC同步' : '本地'}
                      </Badge>
                    </TableCell>
                    {showSyncInfo && (
                      <TableCell className="text-muted-foreground text-sm">
                        {account.syncedAt
                          ? formatDistanceToNow(new Date(account.syncedAt), {
                              addSuffix: true,
                              locale: zhCN,
                            })
                          : '-'}
                      </TableCell>
                    )}
                    <TableCell>
                      <Link href={`/system-accounts/${account.accountType}`}>
                        <Button variant="ghost" size="sm" className="h-8 px-2">
                          <FileText className="h-4 w-4 mr-1" />
                          分类账
                        </Button>
                      </Link>
                    </TableCell>
                  </TableRow>
                );
              })
            )}
          </TableBody>
        </Table>
      </CardContent>
    </Card>
  );
}