import React, { useState, useRef } from 'react';
import { motion, AnimatePresence } from 'framer-motion';
import { Upload, Library, Play, Pause, RefreshCw, Wand2, Users } from 'lucide-react';
import { cn } from '@/public/lib/utils';
import { GlassIconButton } from './glass-icon-button';
import { ReplaceCharacterModal } from './replace-character-modal';

interface Role {
  name: string;
  url: string;
  sound: string;
  soundDescription: string;
  roleDescription: string;
}

interface CharacterTabContentProps {
  taskSketch: any[];
  currentSketchIndex: number;
  onSketchSelect: (index: number) => void;
  roles: Role[];
}

export function CharacterTabContent({ 
  taskSketch,
  currentSketchIndex,
  onSketchSelect,
  roles = []
}: CharacterTabContentProps) {
  const [selectedCharacterIndex, setSelectedCharacterIndex] = useState(0);
  const [isReplaceModalOpen, setIsReplaceModalOpen] = useState(false);
  const [activeReplaceMethod, setActiveReplaceMethod] = useState('upload');
  const [isPlaying, setIsPlaying] = useState(false);
  const [progress, setProgress] = useState(0);
  const [editingField, setEditingField] = useState<{
    type: 'name' | 'voiceDescription' | 'characterDescription' | null;
    value: string;
  }>({ type: null, value: '' });
  const audioRef = useRef<HTMLAudioElement>(null);

  // 如果没有角色数据，显示占位内容
  if (!roles || roles.length === 0) {
    return (
      <div className="flex flex-col items-center justify-center min-h-[400px] text-white/50">
        <Users className="w-16 h-16 mb-4" />
        <p>No character data</p>
      </div>
    );
  }

  // 处理音频播放进度
  const handleTimeUpdate = () => {
    if (audioRef.current) {
      const progress = (audioRef.current.currentTime / audioRef.current.duration) * 100;
      setProgress(progress);
    }
  };

  // 处理播放/暂停
  const togglePlay = () => {
    if (audioRef.current) {
      if (isPlaying) {
        audioRef.current.pause();
      } else {
        audioRef.current.play();
      }
      setIsPlaying(!isPlaying);
    }
  };

  // 处理进度条点击
  const handleProgressClick = (e: React.MouseEvent<HTMLDivElement>) => {
    if (audioRef.current) {
      const rect = e.currentTarget.getBoundingClientRect();
      const x = e.clientX - rect.left;
      const percentage = (x / rect.width) * 100;
      const time = (percentage / 100) * audioRef.current.duration;
      audioRef.current.currentTime = time;
      setProgress(percentage);
    }
  };

  // 获取当前选中的角色
  const currentRole = roles[selectedCharacterIndex];

  return (
    <div className="flex flex-col gap-6">
      {/* 上部分：角色缩略图 */}
      <motion.div 
        className="space-y-6"
        initial={{ opacity: 0, y: 20 }}
        animate={{ opacity: 1, y: 0 }}
      >
        <div className="relative">
          <div className="flex gap-4 overflow-x-auto p-2 hide-scrollbar">
            {roles.map((role, index) => (
              <motion.div
                key={`role-${index}`}
                className={cn(
                  'relative flex-shrink-0 w-24 rounded-lg overflow-hidden cursor-pointer',
                  'aspect-[9/16]',
                  selectedCharacterIndex === index ? 'ring-2 ring-blue-500' : 'hover:ring-2 hover:ring-blue-500/50'
                )}
                onClick={() => setSelectedCharacterIndex(index)}
                whileHover={{ scale: 1.05 }}
                whileTap={{ scale: 0.95 }}
              >
                <img 
                  src={role.url}
                  alt={role.name}
                  className="w-full h-full object-cover"
                />
                <div className="absolute bottom-0 left-0 right-0 p-1 bg-gradient-to-t from-black/60 to-transparent">
                  <span className="text-xs text-white/90 line-clamp-1">{role.name}</span>
                </div>
              </motion.div>
            ))}
          </div>
        </div>
      </motion.div>

      {/* 中间部分：替换角色 */}
      <motion.div
        className="p-4 rounded-lg bg-white/5"
        initial={{ opacity: 0, y: 20 }}
        animate={{ opacity: 1, y: 0 }}
        transition={{ delay: 0.1 }}
      >
        <h3 className="text-sm font-medium mb-2">Replace character</h3>
        <div className="flex gap-4">
          <motion.button
            className="flex-1 flex flex-col items-center gap-2 p-4 rounded-lg border border-white/10 hover:border-white/20 transition-colors"
            onClick={() => {
              setActiveReplaceMethod('upload');
              setIsReplaceModalOpen(true);
            }}
            whileHover={{ scale: 1.02 }}
            whileTap={{ scale: 0.98 }}
          >
            <Upload className="w-6 h-6" />
            <span>Upload character</span>
          </motion.button>

          <motion.button
            className="flex-1 flex flex-col items-center gap-2 p-4 rounded-lg border border-white/10 hover:border-white/20 transition-colors"
            onClick={() => {
              setActiveReplaceMethod('library');
              setIsReplaceModalOpen(true);
            }}
            whileHover={{ scale: 1.02 }}
            whileTap={{ scale: 0.98 }}
          >
            <Library className="w-6 h-6" />
            <span>Character library</span>
          </motion.button>
        </div>
      </motion.div>

      {/* 下部分：角色详情 */}
      <motion.div
        className="grid grid-cols-2 gap-6"
        initial={{ opacity: 0, y: 20 }}
        animate={{ opacity: 1, y: 0 }}
        transition={{ delay: 0.2 }}
      >
        {/* 左列：角色信息 */}
        <div className="space-y-4">
          {/* 角色姓名 */}
          <div className="space-y-2">
            <label className="text-sm text-white/70">Character name</label>
            <input
              type="text"
              value={currentRole.name}
              onChange={(e) => console.log('name changed:', e.target.value)}
              className="w-full px-3 py-2 bg-white/5 border border-white/10 rounded-lg 
                focus:outline-none focus:border-blue-500"
            />
          </div>
          {/* 声音描述 */}
          <div className="space-y-2">
            <label className="text-sm text-white/70">Voice description</label>
            <textarea
              value={currentRole.soundDescription}
              onChange={(e) => console.log('voice description changed:', e.target.value)}
              className="w-full h-24 px-3 py-2 bg-white/5 border border-white/10 rounded-lg 
                focus:outline-none focus:border-blue-500 resize-none"
            />
          </div>

          {/* 声音预览 */}
          <div className="p-4 rounded-lg bg-white/5 space-y-3">
            <div className="flex items-center justify-between">
              <span className="text-sm text-white/70">Voice preview</span>
              <GlassIconButton
                icon={RefreshCw}
                tooltip="Regenerate voice"
                onClick={() => console.log('regenerate voice')}
                size="sm"
              />
            </div>
            
            <div className="relative">
              <audio
                ref={audioRef}
                src={currentRole.sound}
                onTimeUpdate={handleTimeUpdate}
                onEnded={() => setIsPlaying(false)}
              />
              
              {/* 进度条 */}
              <div 
                className="w-full h-1 bg-white/10 rounded-full cursor-pointer overflow-hidden"
                onClick={handleProgressClick}
              >
                <motion.div 
                  className="h-full bg-blue-500 rounded-full"
                  style={{ width: `${progress}%` }}
                  transition={{ type: "spring", stiffness: 300, damping: 25 }}
                />
              </div>

              {/* 播放控制 */}
              <div className="mt-2 flex items-center gap-2">
                <motion.button
                  className="p-2 rounded-full hover:bg-white/10"
                  onClick={togglePlay}
                  whileHover={{ scale: 1.1 }}
                  whileTap={{ scale: 0.9 }}
                >
                  {isPlaying ? (
                    <Pause className="w-4 h-4" />
                  ) : (
                    <Play className="w-4 h-4" />
                  )}
                </motion.button>
                <div className="text-xs text-white/50">
                  {audioRef.current ? (
                    `${Math.floor(audioRef.current.currentTime)}s / ${Math.floor(audioRef.current.duration)}s`
                  ) : '0:00 / 0:00'}
                </div>
              </div>
            </div>
          </div>
          
        </div>

        {/* 右列：角色信息 */}
        <div className="space-y-4">
          {/* 角色描述 */}
          <div className="space-y-2">
            <label className="text-sm text-white/70">Character description</label>
            <textarea
              value={currentRole.roleDescription}
              onChange={(e) => console.log('character description changed:', e.target.value)}
              className="w-full h-24 px-3 py-2 bg-white/5 border border-white/10 rounded-lg 
                focus:outline-none focus:border-blue-500 resize-none"
            />
          </div>

          {/* 角色预览 */}
          <div className="w-full mx-auto rounded-lg overflow-hidden relative group">
            <img
              src={currentRole.url}
              alt={currentRole.name}
              className="w-full h-full object-cover"
            />
            <div className="absolute inset-0 bg-gradient-to-t from-black/60 via-transparent to-transparent 
              opacity-100 transition-opacity">
              <div className="absolute bottom-4 left-4">
                <GlassIconButton
                  icon={Wand2}
                  tooltip="Regenerate character"
                  onClick={() => console.log('regenerate character')}
                />
              </div>
            </div>
          </div>

          
        </div>
      </motion.div>

      {/* 替换角色弹窗 */}
      <ReplaceCharacterModal
        isOpen={isReplaceModalOpen}
        activeReplaceMethod={activeReplaceMethod}
        onClose={() => setIsReplaceModalOpen(false)}
        onCharacterSelect={(character) => {
          console.log('Selected character:', character);
          setIsReplaceModalOpen(false);
          // TODO: 处理角色选择逻辑
        }}
      />
    </div>
  );
}