import { FC, useState } from 'react';

const CallScreen: FC = () => {
  const [callStatus, setCallStatus] = useState<'idle' | 'calling' | 'connected'>('idle');
  const [selectedLanguage, setSelectedLanguage] = useState('zh-en');

  const handleStartCall = () => {
    setCallStatus('calling');
    // 模拟连接过程
    setTimeout(() => {
      setCallStatus('connected');
    }, 2000);
  };

  const handleEndCall = () => {
    setCallStatus('idle');
  };

  const languageOptions = [
    { value: 'zh-en', label: '中文 ⇄ 英文' },
    { value: 'zh-es', label: '中文 ⇄ 西班牙文' },
    { value: 'zh-fr', label: '中文 ⇄ 法文' },
    { value: 'zh-ja', label: '中文 ⇄ 日文' },
    { value: 'zh-ko', label: '中文 ⇄ 韩文' },
  ];

  return (
    <div style={styles.container}>
      <div style={styles.content}>
        {/* 语言选择 */}
        <div style={styles.section}>
          <h3 style={styles.sectionTitle}>选择翻译语言</h3>
          <select
            value={selectedLanguage}
            onChange={(e) => setSelectedLanguage(e.target.value)}
            style={styles.languageSelect}
          >
            {languageOptions.map((option) => (
              <option key={option.value} value={option.value}>
                {option.label}
              </option>
            ))}
          </select>
        </div>

        {/* 通话状态 */}
        <div style={styles.callContainer}>
          {callStatus === 'idle' && (
            <div style={styles.idleState}>
              <div style={styles.callIcon}>📞</div>
              <h2 style={styles.statusText}>准备开始通话</h2>
              <p style={styles.statusSubtext}>点击下方按钮开始翻译通话</p>
              <button style={styles.startButton} onClick={handleStartCall}>
                开始通话
              </button>
            </div>
          )}

          {callStatus === 'calling' && (
            <div style={styles.callingState}>
              <div style={styles.pulsingIcon}>📞</div>
              <h2 style={styles.statusText}>正在连接...</h2>
              <p style={styles.statusSubtext}>请稍候，正在为您连接译员</p>
              <div style={styles.loadingDots}>
                <span>●</span>
                <span>●</span>
                <span>●</span>
              </div>
            </div>
          )}

          {callStatus === 'connected' && (
            <div style={styles.connectedState}>
              <div style={styles.connectedIcon}>✅</div>
              <h2 style={styles.statusText}>通话中</h2>
              <p style={styles.statusSubtext}>译员已连接，可以开始对话</p>
              
              {/* 通话控制 */}
              <div style={styles.callControls}>
                <button style={styles.muteButton}>🔇</button>
                <button style={styles.endButton} onClick={handleEndCall}>
                  结束通话
                </button>
                <button style={styles.speakerButton}>🔊</button>
              </div>

              {/* 通话信息 */}
              <div style={styles.callInfo}>
                <div style={styles.infoItem}>
                  <span style={styles.infoLabel}>通话时长</span>
                  <span style={styles.infoValue}>00:45</span>
                </div>
                <div style={styles.infoItem}>
                  <span style={styles.infoLabel}>译员</span>
                  <span style={styles.infoValue}>张译员</span>
                </div>
              </div>
            </div>
          )}
        </div>

        {/* 快速操作 */}
        <div style={styles.section}>
          <h3 style={styles.sectionTitle}>快速操作</h3>
          <div style={styles.quickActions}>
            <button style={styles.actionButton}>
              <span style={styles.actionIcon}>📝</span>
              <span style={styles.actionLabel}>记录笔记</span>
            </button>
            <button style={styles.actionButton}>
              <span style={styles.actionIcon}>📧</span>
              <span style={styles.actionLabel}>发送邮件</span>
            </button>
            <button style={styles.actionButton}>
              <span style={styles.actionIcon}>📋</span>
              <span style={styles.actionLabel}>复制内容</span>
            </button>
          </div>
        </div>
      </div>
    </div>
  );
};

const styles = {
  container: {
    display: 'flex',
    flexDirection: 'column' as const,
    height: '100%',
    backgroundColor: '#f5f5f5',
  },
  content: {
    flex: 1,
    padding: '16px',
    paddingBottom: '100px',
  },
  section: {
    marginBottom: '24px',
  },
  sectionTitle: {
    fontSize: '18px',
    fontWeight: 'bold',
    color: '#333',
    margin: '0 0 16px 0',
  },
  languageSelect: {
    width: '100%',
    padding: '12px',
    fontSize: '16px',
    border: '1px solid #d9d9d9',
    borderRadius: '8px',
    backgroundColor: '#fff',
  },
  callContainer: {
    display: 'flex',
    flexDirection: 'column' as const,
    alignItems: 'center',
    justifyContent: 'center',
    minHeight: '300px',
    backgroundColor: '#fff',
    borderRadius: '16px',
    padding: '32px',
    marginBottom: '24px',
    boxShadow: '0 4px 12px rgba(0, 0, 0, 0.1)',
  },
  idleState: {
    textAlign: 'center' as const,
  },
  callingState: {
    textAlign: 'center' as const,
  },
  connectedState: {
    textAlign: 'center' as const,
    width: '100%',
  },
  callIcon: {
    fontSize: '64px',
    marginBottom: '16px',
  },
  pulsingIcon: {
    fontSize: '64px',
    marginBottom: '16px',
    animation: 'pulse 1.5s ease-in-out infinite alternate',
  },
  connectedIcon: {
    fontSize: '64px',
    marginBottom: '16px',
  },
  statusText: {
    fontSize: '24px',
    fontWeight: 'bold',
    color: '#333',
    margin: '0 0 8px 0',
  },
  statusSubtext: {
    fontSize: '16px',
    color: '#666',
    margin: '0 0 24px 0',
  },
  startButton: {
    backgroundColor: '#52c41a',
    color: '#fff',
    border: 'none',
    borderRadius: '50px',
    padding: '16px 32px',
    fontSize: '18px',
    fontWeight: 'bold',
    cursor: 'pointer',
    transition: 'background-color 0.3s ease',
  },
  loadingDots: {
    display: 'flex',
    gap: '8px',
    justifyContent: 'center',
  },
  callControls: {
    display: 'flex',
    gap: '16px',
    justifyContent: 'center',
    margin: '24px 0',
  },
  muteButton: {
    backgroundColor: '#1890ff',
    color: '#fff',
    border: 'none',
    borderRadius: '50%',
    width: '56px',
    height: '56px',
    fontSize: '20px',
    cursor: 'pointer',
  },
  endButton: {
    backgroundColor: '#ff4d4f',
    color: '#fff',
    border: 'none',
    borderRadius: '50px',
    padding: '16px 24px',
    fontSize: '16px',
    fontWeight: 'bold',
    cursor: 'pointer',
  },
  speakerButton: {
    backgroundColor: '#1890ff',
    color: '#fff',
    border: 'none',
    borderRadius: '50%',
    width: '56px',
    height: '56px',
    fontSize: '20px',
    cursor: 'pointer',
  },
  callInfo: {
    display: 'flex',
    justifyContent: 'space-around',
    width: '100%',
    marginTop: '24px',
  },
  infoItem: {
    display: 'flex',
    flexDirection: 'column' as const,
    alignItems: 'center',
  },
  infoLabel: {
    fontSize: '14px',
    color: '#666',
    marginBottom: '4px',
  },
  infoValue: {
    fontSize: '16px',
    fontWeight: 'bold',
    color: '#333',
  },
  quickActions: {
    display: 'grid',
    gridTemplateColumns: 'repeat(3, 1fr)',
    gap: '12px',
  },
  actionButton: {
    display: 'flex',
    flexDirection: 'column' as const,
    alignItems: 'center',
    padding: '16px 8px',
    backgroundColor: '#fff',
    border: 'none',
    borderRadius: '12px',
    cursor: 'pointer',
    boxShadow: '0 2px 8px rgba(0, 0, 0, 0.1)',
  },
  actionIcon: {
    fontSize: '24px',
    marginBottom: '8px',
  },
  actionLabel: {
    fontSize: '12px',
    color: '#666',
    textAlign: 'center' as const,
  },
};

export default CallScreen;