import {
  EndingOverlay,
  ExhibitOverlay,
  GuideSteps,
  GuideStepsItem,
  Image,
  Title,
} from '@/components'
import Cursor from '@/components/cursor'
import { getBackgroundImage, getPublicPath, getStaticImage } from '@/lib/utils'
import { useRef, useState } from 'react'
import { useNavigate, useParams } from 'react-router-dom'
import { useNieerStore, saveNieerStore } from '@/store/nieerStore'
import { useCursorController } from '@/hooks/useCursorController'
import { usePuzzleAnimation } from '@/contexts/PuzzleAnimationContext'
import { setCourseTimeProgress } from '@/lib/utils/api-common'

const NieerPlace6 = () => {
  const navigate = useNavigate()
  const { moduleName } = useParams<{ moduleName: string }>()

  const { triggerPuzzleAnimation } = usePuzzleAnimation()
  const starName = 'nieer'
  const place = 'place6'
  const { markExhibitVisited, getVisitedExhibits } = useNieerStore()

  const [activeExhibitId, setActiveExhibitId] = useState<1 | 2 | null>(null)
  const [guide1Visible, setGuide1Visible] = useState(false)
  const [guide1Step, setGuide1Step] = useState(0)

  const total = 2
  const visitedExhibits = getVisitedExhibits(place)
  const visited = new Set(visitedExhibits)
  const progressCount = visited.size
  const completed = progressCount >= total

  const [endingVisible, setEndingVisible] = useState(false)
  // 是否已展示过结束语（用于控制“离开场景”按钮出现时机）
  // 若用户刷新页面且已完成，则默认视为结束语已展示，避免卡住无法离开
  const [endingShown, setEndingShown] = useState(() => completed)
  const endingShownRef = useRef(false)
  const subtitle = completed ? '已完成' : `${progressCount}/${total}`

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

  if (!moduleName) return null

  const exhibitSrcMap: Record<1 | 2, string> = {
    1: 'nieer/place6/场景6展品1',
    2: 'nieer/place6/场景6展品2',
  }

  const handleOpenExhibit = (id: 1 | 2) => {
    setActiveExhibitId(id)
    if (id === 1) {
      setGuide1Step(0)
      setGuide1Visible(true)
    }
  }

  return (
    <div
      className="w-full h-full bg-cover bg-center bg-no-repeat"
      style={{
        backgroundImage: getBackgroundImage(`${starName}/${place}/场景6`),
      }}
    >
      <Title
        title="伟大复兴的主旋律"
        subtitle={subtitle}
        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}/place5`)}
      />

      <Cursor
        className="absolute left-90 bottom-130"
        onClick={() => handleOpenExhibit(1)}
        read={visited.has(1)}
        disabled={!isEnabled(1)}
      />
      <Cursor
        className="absolute right-240 bottom-135"
        onClick={() => handleOpenExhibit(2)}
        read={visited.has(2)}
        disabled={!isEnabled(2)}
      />

      {/* 最后一个场景：完成后不显示“前进”按钮 */}
      {completed && endingShown && !endingVisible && (
        <Image
          className="absolute bottom-0 right-0"
          src={getStaticImage('components/place/离开场景')}
          button
          onClick={() => {
            saveNieerStore()
            setCourseTimeProgress(13)
            navigate(`/${moduleName}/${starName}/home`)
          }}
        />
      )}

      <ExhibitOverlay
        visible={activeExhibitId !== null}
        src={activeExhibitId ? exhibitSrcMap[activeExhibitId] : ''}
        onOpen={() => {
          if (activeExhibitId === 1) {
            triggerPuzzleAnimation(13)
          }
          if (activeExhibitId === 2) {
            triggerPuzzleAnimation(12)
          }
        }}
        onClose={() => {
          const closingId = activeExhibitId
          setActiveExhibitId(null)
          setGuide1Visible(false)

          if (closingId !== null) {
            markExhibitVisited(place, closingId)
            saveNieerStore()

            // 仅在“关闭展品”这一刻触发结束语：当本次关闭导致完成时，弹出 EndingOverlay
            const nextVisitedSize = visited.has(closingId) ? visited.size : visited.size + 1
            const willComplete = nextVisitedSize >= total
            if (willComplete && !endingShownRef.current) {
              endingShownRef.current = true
              setEndingShown(true)
              setEndingVisible(true)
            }
          }
        }}
      />

      {/* 光标1对话（图1） */}
      <GuideSteps
        visible={guide1Visible}
        currentStep={guide1Step}
        onStepChange={setGuide1Step}
        onVisibleChange={setGuide1Visible}
        showMask={false}
        highlightSelectors={[]}
        zIndex={10001}
      >
        <GuideStepsItem speaker="student" audioSrc={getPublicPath('audio/nieer/mp3_nieer_25.mp3')}>
          小沪，这些不同场景下奏响国歌的画面太让人感动了！在和平年代，这首歌还有什么特别的意义呢？
        </GuideStepsItem>
        <GuideStepsItem speaker="guide" audioSrc={getPublicPath('audio/nieer/mp3_nieer_26_1.mp3')}>
          和平年代里，它的精神力量依然不减。你看这张中国女排奥运夺金的照片，国歌奏响时，是民族自豪的宣告；神舟飞船升空时的国歌，是航天人攻坚克难的礼赞。
        </GuideStepsItem>
        <GuideStepsItem speaker="guide" audioSrc={getPublicPath('audio/nieer/mp3_nieer_26_2.mp3')}>
          它就像一根精神纽带，无论在高光时刻还是艰难关头，都能凝聚起全国人民的力量，提醒我们不忘历史、砥砺前行。
        </GuideStepsItem>
      </GuideSteps>

      {/* completed 后的结束语：统一使用 EndingOverlay */}
      <EndingOverlay
        visible={endingVisible}
        audioSrc={getPublicPath('audio/nieer/mp3_nieer_27.mp3')}
        text={
          '从民族危机中觉醒的热血青年，到《义勇军进行曲》的谱曲者，聂耳用音符奏响了“救亡图存”的时代强音。' +
          '而《义勇军进行曲》的影响远不止于此，接下来，请你化身国歌时空旅行者，踏入6个散落于岁月中的故事现场，' +
          '一路聆听、一路共鸣，亲身体验这首旋律如何跨越时空，成为永远激荡在国人心中的精神号角吧！'
        }
        animationSpeed={200}
        onContinue={() => setEndingVisible(false)}
      />
    </div>
  )
}

export default NieerPlace6