"use client";

import { useEffect, useState } from "react";
import { RefreshCcw } from "lucide-react";
import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
import { Button } from "@/components/ui/button";
import { opsApi } from "@/lib/ops-api";
import type { MembershipEntry } from "@/types/ops";

export function MembershipsPageClient() {
  const [loading, setLoading] = useState(true);
  const [memberships, setMemberships] = useState<MembershipEntry[]>([]);

  const load = async () => {
    setLoading(true);
    try {
      const data = await opsApi.memberships();
      setMemberships((data as unknown as { memberships?: MembershipEntry[] }).memberships ?? []);
    } catch { /* */ }
    setLoading(false);
  };

  useEffect(() => { void load(); }, []);

  if (loading) return <div className="text-slate-400 animate-pulse">加载中...</div>;

  return (
    <div className="space-y-6">
      <div className="flex items-center justify-between">
        <h1 className="text-2xl font-bold text-white">会员订阅 ({memberships.length})</h1>
        <Button variant="outline" size="sm" onClick={load} className="gap-1.5">
          <RefreshCcw className="h-3.5 w-3.5" /> 刷新
        </Button>
      </div>
      <Card>
        <CardContent className="p-0">
          <div className="overflow-x-auto">
            <table className="w-full text-sm">
              <thead>
                <tr className="border-b border-white/10 text-left text-slate-400">
                  <th className="py-3 px-4 font-medium">邮箱</th>
                  <th className="py-3 px-4 font-medium">用户ID</th>
                  <th className="py-3 px-4 font-medium">方案</th>
                  <th className="py-3 px-4 font-medium">起始</th>
                  <th className="py-3 px-4 font-medium">到期</th>
                  <th className="py-3 px-4 font-medium">排队天数</th>
                </tr>
              </thead>
              <tbody>
                {memberships.map((m, i) => (
                  <tr key={m.user_id || i} className="border-b border-white/5">
                    <td className="py-2.5 px-4 text-white">{m.email ?? "—"}</td>
                    <td className="py-2.5 px-4 text-slate-400 font-mono text-xs">{m.user_id?.slice(0, 12) ?? "—"}</td>
                    <td className="py-2.5 px-4">{m.plan_code ?? "—"}</td>
                    <td className="py-2.5 px-4 text-slate-400 text-xs">{m.starts_at?.slice(0, 10) ?? "—"}</td>
                    <td className="py-2.5 px-4 text-slate-400 text-xs">{m.expires_at?.slice(0, 10) ?? "—"}</td>
                    <td className="py-2.5 px-4">{m.queued_days ?? 0}</td>
                  </tr>
                ))}
                {memberships.length === 0 && (
                  <tr><td colSpan={6} className="py-8 text-center text-slate-500">暂无会员</td></tr>
                )}
              </tbody>
            </table>
          </div>
        </CardContent>
      </Card>
    </div>
  );
}