'use client';

import React, { useEffect, useState } from 'react';
import styled from 'styled-components';
import StatusBadge from '@/components/common/StatusBadge';
import ConfirmModal from '@/components/admin/ConfirmModal';
import { API_URL } from '@/lib/config';
import { adminFetch } from '@/lib/adminFetch';
import { SISTER_EMOJIS, SISTER_DISPLAY_NAMES } from '@/lib/sisters';

type Status = 'online' | 'offline' | 'working' | 'unknown';

interface ActionResult {
  success: boolean;
  output: string;
  error: string | null;
}

const Table = styled.div`
  display: flex;
  flex-direction: column;
  gap: 8px;
`;

const Row = styled.div`
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
`;

const SisterInfo = styled.div`
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
`;

const Emoji = styled.span`font-size: 22px;`;

const Name = styled.span`
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  min-width: 70px;
`;

const Actions = styled.div`
  display: flex;
  gap: 8px;
`;

const ActionBtn = styled.button<{ $danger?: boolean }>`
  padding: 6px 14px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid;
  transition: all 0.15s;

  ${({ $danger }) =>
    $danger
      ? `background: rgba(255,23,68,0.08); border-color: rgba(255,23,68,0.3); color: #FF1744;
         &:hover { background: rgba(255,23,68,0.18); }`
      : `background: rgba(88,166,255,0.08); border-color: rgba(88,166,255,0.3); color: #58A6FF;
         &:hover { background: rgba(88,166,255,0.18); }`}
`;

const ResultBanner = styled.div<{ $success: boolean }>`
  margin-top: 8px;
  padding: 8px 12px;
  background: ${({ $success }) => $success ? 'rgba(0,230,118,0.08)' : 'rgba(255,23,68,0.08)'};
  border: 1px solid ${({ $success }) => $success ? 'rgba(0,230,118,0.3)' : 'rgba(255,23,68,0.3)'};
  border-radius: 6px;
  font-size: 12px;
  color: ${({ $success }) => $success ? '#00FF00' : '#FF1744'};
  font-family: monospace;
  white-space: pre-wrap;
`;

export default function AdminSistersPage() {
  const [sisters, setSisters] = useState<any[]>([]);
  const [modal, setModal] = useState<{ action: 'restart' | 'reset'; name: string } | null>(null);
  const [results, setResults] = useState<Record<string, ActionResult>>({});
  const [loading, setLoading] = useState<Record<string, boolean>>({});

  useEffect(() => {
    fetch(`${API_URL}/api/sisters`).then((r) => r.json()).then(setSisters).catch(() => {});
    const iv = setInterval(() => {
      fetch(`${API_URL}/api/sisters`).then((r) => r.json()).then(setSisters).catch(() => {});
    }, 15000);
    return () => clearInterval(iv);
  }, []);

  const doAction = async (action: 'restart' | 'reset', name: string) => {
    setModal(null);
    setLoading((p) => ({ ...p, [`${action}:${name}`]: true }));
    try {
      const res = await adminFetch(`/api/admin/sisters/${name}/${action}`, { method: 'POST' });
      const data: ActionResult = await res.json();
      setResults((p) => ({ ...p, [`${action}:${name}`]: data }));
    } catch (e) {
      setResults((p) => ({
        ...p,
        [`${action}:${name}`]: { success: false, output: '', error: (e as Error).message },
      }));
    } finally {
      setLoading((p) => ({ ...p, [`${action}:${name}`]: false }));
    }
  };

  return (
    <>
      <Table>
        {sisters.map((s) => {
          const restartResult = results[`restart:${s.name}`];
          const resetResult = results[`reset:${s.name}`];
          return (
            <div key={s.id}>
              <Row>
                <SisterInfo>
                  <Emoji>{SISTER_EMOJIS[s.name] ?? '🤖'}</Emoji>
                  <Name>{SISTER_DISPLAY_NAMES[s.name] ?? s.name}</Name>
                  <StatusBadge status={s.status as Status} />
                </SisterInfo>
                <Actions>
                  <ActionBtn
                    onClick={() => setModal({ action: 'restart', name: s.name })}
                    disabled={loading[`restart:${s.name}`]}
                  >
                    {loading[`restart:${s.name}`] ? '...' : '🔄 재시작'}
                  </ActionBtn>
                  <ActionBtn
                    $danger
                    onClick={() => setModal({ action: 'reset', name: s.name })}
                    disabled={loading[`reset:${s.name}`]}
                  >
                    {loading[`reset:${s.name}`] ? '...' : '🗑️ 리셋'}
                  </ActionBtn>
                </Actions>
              </Row>
              {restartResult && (
                <ResultBanner $success={restartResult.success}>
                  재시작: {restartResult.success ? '✅ 성공' : `❌ ${restartResult.error}`}
                  {restartResult.output && `\n${restartResult.output}`}
                </ResultBanner>
              )}
              {resetResult && (
                <ResultBanner $success={resetResult.success}>
                  리셋: {resetResult.success ? '✅ 성공' : `❌ ${resetResult.error}`}
                </ResultBanner>
              )}
            </div>
          );
        })}
      </Table>

      {modal && (
        <ConfirmModal
          title={modal.action === 'restart' ? '게이트웨이 재시작' : '세션 리셋'}
          message={`${SISTER_DISPLAY_NAMES[modal.name] ?? modal.name}의 ${modal.action === 'restart' ? 'OpenClaw Gateway를 재시작' : '메인 세션을 초기화'}하시겠어요?`}
          confirmLabel={modal.action === 'restart' ? '재시작' : '리셋'}
          danger={modal.action === 'reset'}
          onConfirm={() => doAction(modal.action, modal.name)}
          onCancel={() => setModal(null)}
        />
      )}
    </>
  );
}