'use client';
import React, { useState, useEffect, useCallback } from 'react';
import Link from 'next/link';
import { useAuth } from '@/contexts/AuthContext';
import { useRouter } from 'next/navigation';

const SITES = ['broadcastbeat','avbeat','backlotbeat','broadcastengineering'];

export default function SendLogPage() {
  const { user, loading } = useAuth();
  const router = useRouter();
  const [logs, setLogs] = useState<any[]>([]);
  const [loadingData, setLoadingData] = useState(true);
  const [filterSite, setFilterSite] = useState('');
  const [filterStatus, setFilterStatus] = useState('');

  useEffect(() => { if (!loading && !user) router.push('/login'); }, [user, loading, router]);

  const load = useCallback(async () => {
    setLoadingData(true);
    const params = new URLSearchParams();
    if (filterSite) params.set('site', filterSite);
    if (filterStatus) params.set('status', filterStatus);
    const r = await fetch(`/api/email/rmp/send-log?${params}`);
    const d = await r.json();
    setLogs(d.logs ?? []);
    setLoadingData(false);
  }, [filterSite, filterStatus]);

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

  if (loading) return <div className="min-h-screen bg-[#0a0a0a] flex items-center justify-center"><div className="w-8 h-8 border-2 border-[#5B7C8D] border-t-transparent rounded-full animate-spin" /></div>;
  if (!user) return null;

  return (
    <div className="min-h-screen bg-[#0a0a0a] text-white p-6">
      <div className="max-w-7xl mx-auto space-y-4">
        <div>
          <h1 className="text-xl font-bold">Email Send Log</h1>
          <Link href="/admin/email" className="text-xs text-[#555] hover:text-[#888]">← Email</Link>
        </div>

        <div className="flex gap-2 flex-wrap">
          <select value={filterSite} onChange={e => setFilterSite(e.target.value)} className="px-2 py-1 bg-[#111] border border-[#252525] rounded text-xs text-[#888] focus:outline-none">
            <option value="">All Sites</option>
            {SITES.map(s => <option key={s} value={s}>{s}</option>)}
          </select>
          <select value={filterStatus} onChange={e => setFilterStatus(e.target.value)} className="px-2 py-1 bg-[#111] border border-[#252525] rounded text-xs text-[#888] focus:outline-none">
            <option value="">All Statuses</option>
            {['queued','sent','failed','suppressed'].map(s => <option key={s} value={s}>{s}</option>)}
          </select>
        </div>

        <div className="bg-[#111] border border-[#252525] rounded-lg overflow-x-auto">
          <table className="w-full text-sm">
            <thead>
              <tr className="border-b border-[#1a1a1a]">
                {['Site','Recipient','Subject','Type','Domain','Status','Sent At','Opens','Clicks'].map(h => (
                  <th key={h} className="px-3 py-2 text-left text-xs text-[#555] font-medium whitespace-nowrap">{h}</th>
                ))}
              </tr>
            </thead>
            <tbody>
              {loadingData ? (
                <tr><td colSpan={9} className="px-4 py-8 text-center text-[#555] text-xs">Loading…</td></tr>
              ) : logs.length === 0 ? (
                <tr><td colSpan={9} className="px-4 py-8 text-center text-[#555] text-xs">No send log entries</td></tr>
              ) : logs.map((l: any) => (
                <tr key={l.id} className="border-b border-[#1a1a1a] hover:bg-[#161616]">
                  <td className="px-3 py-2 text-[#888] text-xs capitalize">{l.site}</td>
                  <td className="px-3 py-2 text-white text-xs">{l.recipient_email}</td>
                  <td className="px-3 py-2 text-[#ccc] text-xs max-w-xs truncate">{l.subject ?? '—'}</td>
                  <td className="px-3 py-2 text-[#555] text-xs">{l.send_type}</td>
                  <td className="px-3 py-2 text-[#555] text-xs">{l.rmp_email_sending_domains?.domain ?? '—'}</td>
                  <td className="px-3 py-2">
                    <span className={`px-2 py-0.5 rounded-full text-xs ${l.status === 'sent' ? 'bg-green-400/10 text-green-400' : l.status === 'failed' ? 'bg-red-400/10 text-red-400' : l.status === 'suppressed' ? 'bg-yellow-400/10 text-yellow-400' : 'bg-[#1a1a1a] text-[#555]'}`}>{l.status}</span>
                  </td>
                  <td className="px-3 py-2 text-[#555] text-xs">{l.sent_at ? new Date(l.sent_at).toLocaleString() : '—'}</td>
                  <td className="px-3 py-2 text-[#888] text-xs">{l.opens}</td>
                  <td className="px-3 py-2 text-[#888] text-xs">{l.clicks}</td>
                </tr>
              ))}
            </tbody>
          </table>
        </div>
      </div>
    </div>
  );
}