'use client';

import React, { useState, useEffect, SetStateAction, useRef } from 'react';
import { motion, AnimatePresence } from 'framer-motion';
import { X, Image, Users, Video, Music, Settings, FileText, Undo2, TriangleAlert } from 'lucide-react';
import { cn } from '@/public/lib/utils';
import { ScriptTabContent } from './script-tab-content';
import { SceneTabContent } from './scene-tab-content';
import { ShotTabContent } from './shot-tab-content';
import { SettingsTabContent } from './settings-tab-content';
import { CharacterTabContent } from './character-tab-content';
import { MusicTabContent } from './music-tab-content';
import FloatingGlassPanel from './FloatingGlassPanel';
import { SaveEditUseCase } from '@/app/service/usecase/SaveEditUseCase';

interface EditModalProps {
  isOpen: boolean;
  onClose: () => void;
  activeEditTab: string;
  taskStatus: string;
  taskSketch: any[];
  sketchVideo: any[];
  taskScenes: any[];
  currentSketchIndex: number;
  onSketchSelect: (index: number) => void;
  roles?: any[];
  music?: any;
  setIsPauseWorkFlow: (isPauseWorkFlow: boolean) => void;
  isPauseWorkFlow: boolean;
  fallbackToStep: any;
  originalText?: string;
}

const tabs = [
  { id: '0', label: 'Script', icon: FileText },
  { id: '1', label: 'Character', icon: Users },
  // { id: '2', label: 'Scene', icon: Image },
  { id: '3', label: 'Video', icon: Video },
  { id: '4', label: 'Music', icon: Music },
  // { id: '5', label: '剪辑', icon: Scissors },
  { id: 'settings', label: 'Settings', icon: Settings },
];

export function EditModal({
  isOpen,
  onClose,
  activeEditTab,
  taskStatus,
  taskSketch,
  sketchVideo,
  taskScenes,
  currentSketchIndex,
  onSketchSelect,
  roles = [],
  music,
  setIsPauseWorkFlow,
  isPauseWorkFlow,
  fallbackToStep,
  originalText
}: EditModalProps) {
  const [activeTab, setActiveTab] = useState(activeEditTab);
  const [currentIndex, setCurrentIndex] = useState(currentSketchIndex);
  const [currentRoleIndex, setCurrentRoleIndex] = useState(0);
  const [isRemindFallbackOpen, setIsRemindFallbackOpen] = useState(false);
  const [isRemindResetOpen, setIsRemindResetOpen] = useState(false);
  const [resetKey, setResetKey] = useState(0);
  const [remindFallbackText, setRemindFallbackText] = useState('The task will be regenerated and edited. Do you want to continue?');
  const scriptTabContentRef = useRef<any>(null);
  const characterTabContentRef = useRef<any>(null);
  // 添加一个状态来标记是否是从切换tab触发的提醒
const [pendingSwitchTabId, setPendingSwitchTabId] = useState<string | null>(null);

  useEffect(() => {
    setCurrentIndex(currentSketchIndex);
  }, [isOpen]);

  // 当 activeEditTab 改变时更新 activeTab
  useEffect(() => {
    setActiveTab(activeEditTab);
  }, [activeEditTab]);

  const isTabDisabled = (tabId: string) => {
    if (tabId === 'settings') return false;
    // 换成 如果对应标签下 数据存在 就不禁用
    // if (tabId === '1') return roles.length === 0;
    if (tabId === '2') return taskScenes.length === 0;
    if (tabId === '3') return sketchVideo.length === 0;
    if (tabId === '4') return false;
    return false;
  };

  const hanldeChangeSelect = (index: number) => {
    if (activeTab === '1') {
      setCurrentRoleIndex(index);
    } else {
      setCurrentIndex(index);
    }
  }

  const checkUpdate = (tabId: string) => {
    if (activeTab === '0') {
      const scriptTabContent = scriptTabContentRef.current;
      if (scriptTabContent) {
        return scriptTabContent.switchBefore(tabId);
      }
    } else if (activeTab === '1') {
      const characterTabContent = characterTabContentRef.current;
      if (characterTabContent) {
        return characterTabContent.switchBefore(tabId);
      }
    }
    return false;
  }

  const handleChangeTab = (tabId: string, disabled: boolean) => {
    if (disabled) return;
    // 切换前 检查是否更新
    const isUpdate = checkUpdate(tabId);
    if (isUpdate) {
      return;
    }
    setActiveTab(tabId);
    setCurrentIndex(0);
  }

  const handleSave = () => {
    console.log('handleSave');
    // setIsRemindFallbackOpen(true);
    if (activeTab === '0') {
      scriptTabContentRef.current.saveBefore();
    } else if (activeTab === '1') {
      characterTabContentRef.current.saveBefore();
    } else if (activeTab === '3') {
      handleConfirmGotoFallback();
    }
  }

  const handleApply = () => {
    console.log('handleApply');
    handleConfirmGotoFallback();
  }

  const handleConfirmGotoFallback = () => {
    console.log('handleConfirmGotoFallback');
    SaveEditUseCase.saveData();
    if (activeTab === '0') {
      fallbackToStep('0');
      // 应用剧本
    } else {
      fallbackToStep('1');
    }
    setIsRemindFallbackOpen(false);
    // 关闭弹窗
    onClose();
  }
  const handleCloseRemindFallbackPanel = () => {
    if (pendingSwitchTabId) {
      // 如果是从切换tab触发的提醒，关闭后执行tab切换
      setActiveTab(pendingSwitchTabId);
      setCurrentIndex(0);
      setPendingSwitchTabId(null); // 清除记录
    }
    setIsRemindFallbackOpen(false);
  }

  const handleReset = () => {
    console.log('handleReset');
    // 重置当前tab修改的数据
    setIsRemindResetOpen(true);
  }

  const handleConfirmReset = () => {
    console.log('handleConfirmReset');
    setIsRemindResetOpen(false);
    setResetKey(resetKey + 1);
  }

  const renderTabContent = () => {
    switch (activeTab) {
      case '0':
        return (
          <ScriptTabContent
            ref={scriptTabContentRef}
            setIsPauseWorkFlow={setIsPauseWorkFlow}
            isPauseWorkFlow={isPauseWorkFlow}
            originalText={originalText}
            onApply={handleApply}
            setActiveTab={setActiveTab}
          />
        );
      case '1':
        return (
          <CharacterTabContent
            ref={characterTabContentRef}
            onClose={onClose}
            onApply={handleApply}
            setActiveTab={setActiveTab}
          />
        );
      case '2':
        return (
          <SceneTabContent
            taskSketch={taskScenes}
            currentSketchIndex={currentIndex}
            onSketchSelect={hanldeChangeSelect}
          />
        );
      case '3':
        return (
          <ShotTabContent
            currentSketchIndex={currentIndex}
            roles={roles}
          />
        );
      case '4':
        return (
          <MusicTabContent
            taskSketch={taskSketch}
            currentSketchIndex={currentIndex}
            onSketchSelect={onSketchSelect}
            music={music}
          />
        );
      case 'settings':
        return (
          <SettingsTabContent
            onSettingChange={(key, value) => {
              console.log('Setting changed:', key, value);
              // TODO: 实现设置更新逻辑
            }}
          />
        );
      default:
        return (
          <div className="min-h-[400px] flex items-center justify-center text-white/50">
            {tabs.find(tab => tab.id === activeTab)?.label} Content area
          </div>
        );
    }
  };

  return (
    <AnimatePresence>
      {isOpen && (
        <>
          {/* 背景遮罩 */}
          <motion.div
            className="fixed inset-0 bg-black/60 backdrop-blur-sm z-50"
            initial={{ opacity: 0 }}
            animate={{ opacity: 1 }}
            exit={{ opacity: 0 }}
            onClick={onClose}
          />

          {/* 弹窗内容 */}
          <div className="fixed inset-x-0 bottom-0 z-50 flex justify-center">
            <motion.div
              className={cn(
                "w-[88%] min-w-[888px] h-[95vh] bg-[#1a1b1e] rounded-t-2xl overflow-hidden"
              )}
              initial={{ y: '100%' }}
              animate={{ y: 0 }}
              exit={{ y: '100%' }}
              transition={{
                type: 'spring',
                damping: 25,
                stiffness: 200,
              }}
            >
              {/* 标签栏 */}
              <div className="flex items-center gap-1 p-2 overflow-x-auto hide-scrollbar bg-white/5">
                <div className="flex-1 flex gap-1">
                  {tabs.map((tab) => {
                    const Icon = tab.icon;
                    const disabled = isTabDisabled(tab.id);
                    return (
                      <motion.button
                        key={tab.id}
                        className={cn(
                          'flex items-center gap-2 px-4 py-2 rounded-lg transition-colors relative',
                          activeTab === tab.id ? 'text-white' : 'text-white/50',
                          disabled ? 'opacity-50 cursor-not-allowed' : 'hover:bg-white/10',
                        )}
                        onClick={() => handleChangeTab(tab.id, disabled)}
                        whileHover={disabled ? undefined : { scale: 1.02 }}
                        whileTap={disabled ? undefined : { scale: 0.98 }}
                      >
                        <Icon className="w-4 h-4" />
                        <span>{tab.label}</span>
                        {activeTab === tab.id && (
                          <motion.div
                            className="absolute bottom-0 left-0 right-0 h-0.5 bg-blue-500"
                            layoutId="activeTab"
                            transition={{ type: 'spring', damping: 20 }}
                          />
                        )}
                      </motion.button>
                    );
                  })}
                </div>

                {/* 弹窗操作按钮 */}
                <div className="pl-4 border-l border-white/10">
                  {/* 关闭按钮 */}
                  <motion.button
                    className="p-2 rounded-full hover:bg-white/10 transition-colors"
                    onClick={onClose}
                    whileHover={{ rotate: 90 }}
                    whileTap={{ scale: 0.9 }}
                  >
                    <X className="w-5 h-5 text-white/70" />
                  </motion.button>
                </div>
              </div>

              {/* 内容区域 */}
              <div className="overflow-y-auto p-4" style={{ height: 'calc(100% - 8rem)' }}>
                <AnimatePresence mode="wait">
                  <motion.div
                    key={`${activeTab}-${resetKey}`}
                    initial={{ opacity: 0, y: 20 }}
                    animate={{ opacity: 1, y: 0 }}
                    exit={{ opacity: 0, y: -20 }}
                    transition={{ duration: 0.2 }}
                    className="h-full"
                  >
                    {renderTabContent()}
                  </motion.div>
                </AnimatePresence>
              </div>

              {/* 底部操作栏 */}
              <div className="p-4 border-t border-white/10 bg-black/20">
                <div className="flex justify-end gap-3">
                  <motion.button
                    className="px-4 py-2 rounded-lg bg-white/10 text-white hover:bg-white/20 transition-colors"
                    whileHover={{ scale: 1.02 }}
                    whileTap={{ scale: 0.98 }}
                    onClick={handleReset}
                  >
                    Reset
                  </motion.button>
                  <motion.button
                    className="px-4 py-2 rounded-lg bg-blue-500 text-white hover:bg-blue-600 transition-colors"
                    whileHover={{ scale: 1.02 }}
                    whileTap={{ scale: 0.98 }}
                    onClick={() => {handleSave()}}
                  >
                    Apply
                  </motion.button>
                </div>
              </div>
            </motion.div>
          </div>

          {/* 提醒用户 点击保存 工作流将回退 并重新执行工作流 */}
          <FloatingGlassPanel
            open={isRemindFallbackOpen}
            width='500px'
            clickMaskClose={false}
          >
            <div className="flex flex-col items-center gap-4 text-white py-4">
              <div className="flex items-center gap-3">
                <TriangleAlert className="w-6 h-6 text-yellow-400" />
                <p className="text-lg font-medium">{remindFallbackText}</p>
              </div>

              <div className="flex gap-3 mt-2">
                <button
                  onClick={() => handleConfirmGotoFallback()}
                  data-alt="confirm-replace-button"
                  className="px-4 py-2 bg-blue-600 hover:bg-blue-700 rounded-md transition-colors duration-200 flex items-center gap-2"
                >
                  <Undo2 className="w-4 h-4" />
                  Apply
                </button>

                <button
                  onClick={() => handleCloseRemindFallbackPanel()}
                  data-alt="ignore-button"
                  className="px-4 py-2 bg-gray-600 hover:bg-gray-700 rounded-md transition-colors duration-200 flex items-center gap-2"
                >
                  <X className="w-4 h-4" />
                  Cancel
                </button>
              </div>
            </div>
          </FloatingGlassPanel>

          {/* 提醒用户 重置当前tab修改的数据 */}
          <FloatingGlassPanel
            open={isRemindResetOpen}
            width='500px'
            clickMaskClose={false}
          >
            <div className="flex flex-col items-center gap-4 text-white py-4">
              <div className="flex items-center gap-3">
                <TriangleAlert className="w-6 h-6 text-yellow-400" />
                <p className="text-lg font-medium">Are you sure you want to reset the current tab?</p>
              </div>
              <div className="flex gap-3 mt-2">
              <button
                  onClick={() => handleConfirmReset()}
                  data-alt="confirm-replace-button"
                  className="px-4 py-2 bg-blue-600 hover:bg-blue-700 rounded-md transition-colors duration-200 flex items-center gap-2"
                >
                  <Undo2 className="w-4 h-4" />
                  Reset
                </button>

                <button
                  onClick={() => setIsRemindResetOpen(false)}
                  data-alt="ignore-button"
                  className="px-4 py-2 bg-gray-600 hover:bg-gray-700 rounded-md transition-colors duration-200 flex items-center gap-2"
                >
                  <X className="w-4 h-4" />
                  Cancel
                </button>
              </div>
            </div>
          </FloatingGlassPanel>
        </>
      )}
    </AnimatePresence>
  );
}