import {
  ExhibitOverlay,
  GuideSteps,
  GuideStepsItem,
  Image,
  Title,
  Cursor,
  SingleChoiceQuizPanel,
  Video,
  type VideoAnchor,
} from '@/components'
import type { VideoRef } from '@/components/video'
import { useNavigate, useParams } from 'react-router-dom'
import { getBackgroundImage, getPublicPath, getStaticImage } from '@/lib/utils'
import { useState, useRef, useMemo } from 'react'
import SuccessAlert from '@/components/layout/alert/success-alert'
import { useCursorController } from '@/hooks/useCursorController'
import { usePuzzleAnimation } from '@/contexts/PuzzleAnimationContext'
import { useLuxunStore, saveLuxunStore } from '@/store/luxunStore'
import { setCourseTimeProgress } from '@/lib/utils/api-common'

// starName 固定为 luxun
const starName = 'luxun'

// 展品 ID 与资源路径映射
const exhibitSrcMap: Record<1 | 2 | 3, string> = {
  1: 'luxun/place4/展品11',
  2: 'luxun/place4/展品12',
  3: 'luxun/place4/展品13',
}

const quizDefaultError = '请结合刚刚的旁白内容，再思考一下吧！'
const quizExplanations: Record<string, string> = {
  // A: "陈独秀与鲁迅有思想交往，但他并未在这间“红色庇护所”中避难、与鲁迅夜谈革命议题。",
  // B: "恭喜你，选对啦。",
  // C: "李大钊于1927年牺牲，时间上不符合这间客房被用作“红色庇护所”的背景。",
  // D: "周恩来虽长期在上海从事革命活动，但并未在这里避难并与鲁迅夜谈。",
  A: '请你结合刚刚学习的内容，再思考一下吧！',
  B: '恭喜你，选择正确！',
  C: '请你结合刚刚学习的内容，再思考一下吧！',
  D: '请你结合刚刚学习的内容，再思考一下吧！',
}

const LuxunPlace5 = () => {
  const navigate = useNavigate()
  const { moduleName } = useParams<{
    moduleName: string
  }>()

  //碎片动画触发方法
  const { triggerPuzzleAnimation } = usePuzzleAnimation()

  const [introGuideVisible, setIntroGuideVisible] = useState(true)
  const [introGuideStep, setIntroGuideStep] = useState(0)

  const [activeExhibitId, setActiveExhibitId] = useState<1 | 2 | 3 | null>(null)

  // 使用持久化的访问状态
  const place = 'place4'
  const { markExhibitVisited, getVisitedExhibits, setLastVisitedPlace } = useLuxunStore()

  // 从 store 获取已访问的展品，转换为 Set 用于兼容现有代码
  const visitedExhibits = getVisitedExhibits(place)
  const visited = new Set(visitedExhibits)

  // Cursor 顺序控制：1 -> 2 -> 3
  const { isEnabled } = useCursorController({
    initialEnabled: [1],
    dependencies: {
      2: [1],
      3: [2],
    },
    visited: visited,
  })

  // 光标2的题目状态
  const [quizVisible, setQuizVisible] = useState(false)
  const [quizError, setQuizError] = useState(quizDefaultError)
  const [successAlertVisible, setSuccessAlertVisible] = useState(false)

  // 光标3的引导对话状态
  const [guide3Visible, setGuide3Visible] = useState(false)
  const [guide3Step, setGuide3Step] = useState(0)

  // 结尾视频与对话
  const [showEndingVideo, setShowEndingVideo] = useState(false)
  const [endingGuideVisible, setEndingGuideVisible] = useState(false)
  // 视频锚点相关状态
  const [activeVideoSuccess, setActiveVideoSuccess] = useState(false)
  const [resumeVideoCallback, setResumeVideoCallback] = useState<(() => void) | null>(null)
  const videoRef = useRef<VideoRef>(null)

  const handleOpenExhibit = (index: 1 | 2 | 3) => {
    if (index === 3) {
      setActiveExhibitId(3)
      setGuide3Visible(true)
      setGuide3Step(0)
      return
    }
    setActiveExhibitId(index)
  }

  // 视频锚点配置
  const videoAnchors: VideoAnchor[] = useMemo(
    () => [
      {
        id: 'quiz-anchor',
        time: 41,
        once: true,
        afterResume: 'remove',
        render: ({ resume }) => (
          <>
            <SingleChoiceQuizPanel
              visible={!activeVideoSuccess}
              title='【单选】毛泽东主席称赞鲁迅先生为“最伟大和最英勇的___”。'
              options={[
                { value: 'A', label: 'A. 旗手' },
                { value: 'B', label: 'B. 作家' },
                { value: 'C', label: 'C. 战士' },
              ]}
              correctAnswer="A"
              onWrongSelect={(value: string) => {
                switch (value) {
                  case 'B':
                    return '这不是毛泽东主席的原话。请你再想想吧!'
                  case 'C':
                    return '这不是毛泽东主席的原话。请你再想想吧!'
                  default:
                    return '请你再想想吧!'
                }
              }}
              onSubmit={(value: string, isCorrect: boolean) => {
                if (isCorrect) {
                  setActiveVideoSuccess(true)
                  setResumeVideoCallback(() => resume)
                }
              }}
              zIndex={20000}
            />

            <SuccessAlert
              visible={activeVideoSuccess}
              onContinue={() => {
                setActiveVideoSuccess(false)
                const cb = resumeVideoCallback
                setResumeVideoCallback(null)
                cb?.()
              }}
              onClose={() => {
                setActiveVideoSuccess(false)
                const cb = resumeVideoCallback
                setResumeVideoCallback(null)
                cb?.()
              }}
            />
          </>
        ),
      },
    ],
    [activeVideoSuccess, resumeVideoCallback]
  )

  const progressCount = visited.size
  const total = 3
  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

  return (
    <div
      className="w-full h-full bg-cover bg-center bg-no-repeat"
      style={{
        backgroundImage: getBackgroundImage(`luxun/place4/背景`),
      }}
    >
      <Title
        title="6平方米的红色庇护所"
        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={() => {
          if (moduleName && starName) {
            navigate(`/${moduleName}/${starName}/place3`)
          }
        }}
      />

      {/* 展品 */}
      <Cursor
        className="absolute left-167 bottom-30"
        onClick={() => handleOpenExhibit(1)}
        read={visited.has(1)}
        disabled={!isEnabled(1)}
      />
      <Cursor
        className="absolute left-228 bottom-30"
        onClick={() => handleOpenExhibit(2)}
        read={visited.has(2)}
        disabled={!isEnabled(2)}
      />
      <Cursor
        className="absolute right-115 bottom-18 z-20"
        onClick={() => handleOpenExhibit(3)}
        read={visited.has(3)}
        disabled={!isEnabled(3)}
      />

      {completed && (
        <Image
          className="absolute bottom-0 right-0"
          src={getStaticImage('components/place/继续前进')}
          button
          onClick={() => {
            // 完成后先播放视频，不立即跳转页面
            saveLuxunStore()
            setShowEndingVideo(true)
          }}
        />
      )}

      <ExhibitOverlay
        visible={activeExhibitId !== null}
        src={activeExhibitId ? exhibitSrcMap[activeExhibitId] : ''}
        onOpen={() => {
          if (activeExhibitId === 1) {
            triggerPuzzleAnimation(11)
          }
          if (activeExhibitId === 2) {
            triggerPuzzleAnimation(12)
          }
          if (activeExhibitId === 3) {
            triggerPuzzleAnimation(13)
          }
        }}
        description={
          activeExhibitId === 1
            ? '瞿秋白同志曾说，“鲁迅是莱谟斯，是野兽的奶汁所喂养大的，是封建宗法社会的逆子，是绅士阶级的贰臣，而同时也是一些浪漫谛克的革命家的诤友！”'
            : activeExhibitId === 2
              ? '鲁迅先生曾经抄录清朝诗人何瓦琴的对联赠给瞿秋白，“人生得一知己足矣，斯世当以同怀视之。”'
              : undefined
        }
        onClose={() => {
          if (activeExhibitId === 2) {
            setActiveExhibitId(null)
            setQuizVisible(true)
            return
          }
          if (activeExhibitId === 3) {
            // 对话关闭时再标记已读
            setActiveExhibitId(null)
            return
          }
          if (activeExhibitId !== null) {
            markExhibitVisited(place, activeExhibitId)
          }
          setActiveExhibitId(null)
        }}
      />

      {/* 学习引导结束后的对话 */}
      <GuideSteps
        visible={introGuideVisible}
        onVisibleChange={setIntroGuideVisible}
        currentStep={introGuideStep}
        onStepChange={setIntroGuideStep}
        showMask={false}
        highlightSelectors={[]}
        zIndex={10000}
      >
        <GuideStepsItem speaker="student" audioSrc={getPublicPath('audio/luxun/mp3_luxun_26.mp3')}>
          你说的是这间小小的客房吗，这里为什么会被称为“红色庇护所”呢?
        </GuideStepsItem>
        <GuideStepsItem speaker="guide" audioSrc={getPublicPath('audio/luxun/mp3_luxun_27.mp3')}>
          你可别小看这间仅6平方米的客房，在白色恐怖笼罩的1933年至1936年，这里是很多共产党人的"安全港湾"。1933年，瞿秋白夫妇第三次到鲁迅家避难，就秘密住进了这里。
        </GuideStepsItem>
        <GuideStepsItem speaker="guide">
          当时反动派到处搜捕共产党人，鲁迅冒着生命危险掩护他们，两人常彻夜长谈。瞿秋白的夫人杨之华回忆道：“秋白和鲁迅在一起，往往感觉夜太短。深刻的友谊的交谈，从政治到文艺，从实际到理论，从希腊到莫斯科，轻松，愉快，活泼。”
        </GuideStepsItem>
      </GuideSteps>

      {/* 光标2的题目 */}
      <SingleChoiceQuizPanel
        visible={quizVisible}
        title="【单选】上海鲁迅故居三楼客房被称为“红色庇护所”，以下哪位共产党人曾在此避难并与鲁迅探讨革命议题？"
        options={[
          { value: 'A', label: 'A.陈独秀' },
          { value: 'B', label: 'B.瞿秋白' },
          { value: 'C', label: 'C.李大钊' },
          { value: 'D', label: 'D.周恩来' },
        ]}
        correctAnswer="B"
        errorMessage={quizError}
        onSubmit={(value, isCorrect) => {
          if (isCorrect) {
            setQuizError(quizDefaultError)
            setQuizVisible(false)
            setSuccessAlertVisible(true)
          }
        }}
        onWrongSelect={(value) => {
          const explanation = quizExplanations[value]
          if (explanation) {
            setQuizError(explanation)
            return explanation
          }
          setQuizError(quizDefaultError)
          return quizDefaultError
        }}
        zIndex={10001}
      />

      {/* 光标2的成功提示 */}
      <SuccessAlert
        visible={successAlertVisible}
        content="1933年，瞿秋白夫妇第三次到鲁迅家避难，就住进了这间仅6平方米的客房，与鲁迅常常彻夜长谈革命与文学。"
        onContinue={() => {
          setSuccessAlertVisible(false)
          markExhibitVisited(place, 2)
        }}
      />

      {/* 光标3的引导对话 */}
      <GuideSteps
        visible={guide3Visible}
        onVisibleChange={(visible) => {
          setGuide3Visible(visible)
          if (!visible) {
            markExhibitVisited(place, 3)
          }
        }}
        currentStep={guide3Step}
        onStepChange={setGuide3Step}
        showMask={false}
        highlightSelectors={[]}
        zIndex={10000}
      >
        <GuideStepsItem speaker="student" audioSrc={getPublicPath('audio/luxun/mp3_luxun_28.mp3')}>
          除了瞿秋白，还有其他共产党人来过这里吗
        </GuideStepsItem>
        <GuideStepsItem speaker="guide" audioSrc={getPublicPath('audio/luxun/mp3_luxun_29.mp3')}>
          当然！1936年4月，中共中央特派员冯雪峰到上海开展工作，也先住进了这间客房。冯雪峰把红军长征胜利、遵义会议召开的消息告诉鲁迅，还带来了毛泽东同志提出的抗日民族统一战线主张。
        </GuideStepsItem>
        <GuideStepsItem speaker="guide">
          鲁迅听后格外振奋，激动地说“我做一个小兵还是胜任的，用笔！”，这句话也成了他晚年投身抗日救亡运动的誓言。
        </GuideStepsItem>
      </GuideSteps>

      {/* 结尾视频播放 */}
      {showEndingVideo && (
        <Video
          ref={videoRef}
          src={getPublicPath('video/luxun/luxun_06.mp4')}
          className="fixed inset-0 z-20000"
          controls
          autoPlay
          playsInline
          showSkipButton
          anchors={videoAnchors}
          onEnded={() => {
            setEndingGuideVisible(true)
          }}
        />
      )}

      {/* 视频结束后的结束语对话 */}
      <GuideSteps
        visible={endingGuideVisible}
        onVisibleChange={(visible) => {
          setShowEndingVideo(false)
          setEndingGuideVisible(visible)
          if (!visible && moduleName) {
            // 对话结束后返回鲁迅首页
            setCourseTimeProgress(7)
            navigate(`/${moduleName}/${starName}/home`)
          }
        }}
        showMask={false}
        zIndex={20010}
      >
        <GuideStepsItem speaker="guide" audioSrc={getPublicPath('audio/luxun/mp3_luxun_30.mp3')}>
          我们已经了解了鲁迅居住在上海大陆新村9号时的重要事件。
        </GuideStepsItem>
        <GuideStepsItem speaker="guide">
          接下来，请你接过先生手中的“笔”，走出上海，跨越时空，追寻他从绍兴三味书屋到上海的创作足迹——解锁每个地标背后的故事，填充文字里的时代线索，在互动中，读懂先生笔墨间的温度与力量。
        </GuideStepsItem>
      </GuideSteps>
    </div>
  )
}

export default LuxunPlace5