import { useState, useEffect } from 'react'
import { Title, Image, Cursor, StudyGuideModal } from '@/components'
import { SuccessAlert } from '@/components/layout'
import { getBackgroundImage, getPublicPath, getStaticImage } from '@/lib/utils'
import { useNavigate, useParams } from 'react-router-dom'
import ChoiceDialog1 from './scene2/ChoiceDialog1'
import ChoiceDialog2 from './scene2/ChoiceDialog2'
import QuizDialog from './scene2/QuizDialog'
import {
  useHuangyanpeiStore,
  saveHuangyanpeiStore,
  loadHuangyanpeiStore,
} from '@/store/huangyanpeiStore'
import { useCursorController } from '@/hooks/useCursorController'

const starName = 'huangyanpei'

const HuangyanpeiReflectionScene2 = () => {
  const navigate = useNavigate()
  const { moduleName } = useParams<{
    moduleName: string
  }>()

  const [showGuideModal, setShowGuideModal] = useState(true)
  const [showDialog1, setShowDialog1] = useState(false)
  const [showDialog2, setShowDialog2] = useState(false)
  const [choice2, setChoice2] = useState<'铁工科' | '商科' | null>(null)
  const [showCompleteGuide, setShowCompleteGuide] = useState(false)
  // 题目显示状态（ChoiceDialog1关闭后）
  const [showQuiz, setShowQuiz] = useState(false)
  // 题目成功提示状态
  const [showQuizSuccess, setShowQuizSuccess] = useState(false)

  // 使用持久化的reflection cursor状态
  const scene = 'scene2'
  const {
    markReflectionCursorVisited,
    getVisitedReflectionCursors,
    setReflectionRoute,
    reflectionScene2Choice,
    setReflectionScene2Choice,
    hasShownReflectionCompletionGuide,
    markReflectionCompletionGuideShown,
  } = useHuangyanpeiStore()

  // 从 store 获取已完成的cursor，转换为 Set 用于兼容现有代码
  const visitedCursors = getVisitedReflectionCursors(scene)
  const visited = new Set(visitedCursors)

  const { isEnabled } = useCursorController({
    initialEnabled: [1],
    dependencies: { 2: [1] },
    visited: visitedCursors,
  })

  const progressCount = visited.size
  const total = 2
  const completed = progressCount >= total
  const subtitle = completed ? '已完成' : `${progressCount}/${total}`
  const subtitleClassName = completed
    ? 'text-[#fff998] [text-shadow:_0_8px_8px_rgba(0,0,0,0.35),_0_0_16px_rgba(0,0,0,0.25)]'
    : undefined

  // 进入页面时读取缓存中的 choice2
  useEffect(() => {
    let mounted = true

    const syncChoice2FromCache = async () => {
      await loadHuangyanpeiStore()
      if (!mounted) {
        return
      }
      const latestChoice2 = useHuangyanpeiStore.getState().reflectionScene2Choice
      if (latestChoice2) {
        setChoice2(latestChoice2)
      }
    }

    void syncChoice2FromCache()

    return () => {
      mounted = false
    }
  }, [])

  // 本地状态与 store 中的 choice2 保持同步
  useEffect(() => {
    if (reflectionScene2Choice && reflectionScene2Choice !== choice2) {
      setChoice2(reflectionScene2Choice)
    }
  }, [reflectionScene2Choice, choice2])

  // 两个任务都完成后，显示完成提示（仅一次）
  useEffect(() => {
    if (completed && choice2 && !hasShownReflectionCompletionGuide(scene)) {
      const timer = setTimeout(() => {
        setShowCompleteGuide(true)
        markReflectionCompletionGuideShown(scene)
        saveHuangyanpeiStore()
      }, 500)
      return () => clearTimeout(timer)
    }
  }, [
    completed,
    choice2,
    scene,
    hasShownReflectionCompletionGuide,
    markReflectionCompletionGuideShown,
  ])

  // 处理完成提示的继续按钮点击
  const handleCompleteGuideContinue = () => {
    setShowCompleteGuide(false)
    // 根据选择决定导航目标
    if (choice2 === '铁工科') {
      setReflectionRoute('reflection3')
      saveHuangyanpeiStore()
      navigate(`/${moduleName}/${starName}/reflection3`)
    } else if (choice2 === '商科') {
      setReflectionRoute('reflection4')
      saveHuangyanpeiStore()
      navigate(`/${moduleName}/${starName}/reflection4`)
    }
  }

  if (!moduleName) {
    return null
  }

  return (
    <div
      className="w-full h-full bg-cover bg-center bg-no-repeat"
      style={{
        backgroundImage: getBackgroundImage(`huangyanpei/reflection/scene2/10_001`),
      }}
    >
      <Title
        title="跨越时空"
        subtitle={subtitle}
        subtitleClassName={subtitleClassName}
        className="absolute top-10 left-1/2 -translate-x-1/2"
      />

      <Image
        className="absolute right-5 top-5"
        src={getStaticImage('components/离开')}
        button
        onClick={() => {
          navigate(`/${moduleName}/${starName}/home`)
        }}
      />

      {completed && (
        <Image
          className="absolute bottom-0 right-0 z-20"
          src={getStaticImage('components/place/继续前进')}
          button
          onClick={() => handleCompleteGuideContinue()}
        />
      )}

      <StudyGuideModal
        visible={showGuideModal}
        onContinue={() => setShowGuideModal(false)}
        audioSrc={getPublicPath('audio/huangyanpei/mp3_huangyanpei_24.mp3')}
        firstLineIndent="2em"
      >
        欢迎来到浦东中学！{'\n'}
        这是近代上海第一所完全中学，黄炎培先生当首任校长，在这里能学到更多实用知识，还能树立成才的理想哦。
      </StudyGuideModal>

      {choice2 && (
        <img
          className="absolute right-[234px] bottom-12.5"
          src={getStaticImage('huangyanpei/reflection/scene2/10_003')}
          alt="已解锁指示牌盖板"
        />
      )}

      {/* 互动展品光标1：显示第一个选择弹窗 */}
      <Cursor
        className="absolute left-118 bottom-105"
        onClick={() => {
          setShowDialog1(true)
        }}
        read={visited.has(1)}
        disabled={!isEnabled(1)}
      />

      {/* 互动展品光标2：显示第二个选择弹窗 */}
      <Cursor
        className="absolute right-74 bottom-68"
        onClick={() => {
          setShowDialog2(true)
        }}
        read={visited.has(2)}
        disabled={!isEnabled(2)}
      />

      {/* 第一个选择弹窗 */}
      <ChoiceDialog1
        visible={showDialog1}
        onClose={() => {
          setShowDialog1(false)
          setShowQuiz(true)
        }}
        onSelect={() => {
          markReflectionCursorVisited(scene, 1)
        }}
      />

      {/* 第二个选择弹窗 */}
      <ChoiceDialog2
        visible={showDialog2}
        onClose={() => setShowDialog2(false)}
        onSelect={(choice) => {
          setChoice2(choice)
          setReflectionScene2Choice(choice)
          markReflectionCursorVisited(scene, 2)
          saveHuangyanpeiStore()
        }}
      />

      <QuizDialog
        visible={showQuiz}
        onClose={() => setShowQuiz(false)}
        onComplete={() => {
          setShowQuiz(false)
          setShowQuizSuccess(true)
        }}
      />

      {/* 题目成功提示 */}
      <SuccessAlert
        visible={showQuizSuccess}
        title=""
        content="恭喜你!选择正确。不愧是从川沙小学堂走出来!"
        onContinue={() => {
          setShowQuizSuccess(false)
        }}
        onClose={() => {
          setShowQuizSuccess(false)
        }}
      />

      {/* 完成提示 */}
      <StudyGuideModal
        visible={showCompleteGuide}
        onContinue={handleCompleteGuideContinue}
        verticalAlign="center"
      >
        第二关完成！“职业方向锁定！”去新学校了解你的专业吧。
      </StudyGuideModal>
    </div>
  )
}

export default HuangyanpeiReflectionScene2