import { defineStore } from 'pinia'
import { ref, shallowRef } from 'vue'
import type { SceneNode, Choice, QTEDefinition, Hotspot, ChapterInfo, AchievementDef, EndingDef, LocalesConfig } from '@engine/types'

export interface SlotInfo {
  slot: number
  timestamp: number
  sceneLabel: string
  thumbnail?: string
}

export const useGameStore = defineStore('game', () => {
  const currentScene = shallowRef<SceneNode | null>(null)
  const choices = ref<Choice[]>([])
  const gameEnded = ref(false)
  const timerTotal = ref(0)
  const timerRemaining = ref(0)
  const saves = ref<SlotInfo[]>([])

  const qteActive = ref(false)
  const qteDef = shallowRef<QTEDefinition | null>(null)
  const qteTotal = ref(0)
  const qteRemaining = ref(0)
  const qteResult = ref<'none' | 'success' | 'fail'>('none')
  const videoTime = ref(0)
  const hotspots = ref<Hotspot[]>([])
  const isImageScene = ref(false)
  const inputMode = ref<'mouse' | 'keyboard'>('mouse')
  const showChapterSelect = ref(false)
  const chapters = ref<ChapterInfo[]>([])
  const unlockedChapterIds = ref<Set<string>>(new Set())
  const showAchievements = ref(false)
  const achievementDefs = ref<AchievementDef[]>([])
  const unlockedAchievementIds = ref<Set<string>>(new Set())
  const toastAchievementId = ref('')
  const showEndingGallery = ref(false)
  const endings = ref<EndingDef[]>([])
  const visitedSceneIds = ref<Set<string>>(new Set())
  const storyLocales = ref<LocalesConfig>({ path: '', languages: ['zh'] })

  const subFontSize = ref(Number(localStorage.getItem('subFontSize') || 20))
  const subBgAlpha = ref(Number(localStorage.getItem('subBgAlpha') || 0))
  const qteTimeRelax = ref(localStorage.getItem('qteTimeRelax') === 'true')
  const qteSingleKey = ref(localStorage.getItem('qteSingleKey') === 'true')
  const antiMistap = ref(localStorage.getItem('antiMistap') !== 'false')
  const pauseEnabled = ref(localStorage.getItem('pauseEnabled') !== 'false')
  const showSettings = ref(false)
  const showBattleResult = ref(false)
  const battleResultData = ref<any>(null)
  const variables = ref<Record<string, number>>({})
  const preferredQuality = ref(localStorage.getItem('preferredQuality') || '')
  const introVideo = ref('')
  const menuVideo = ref('')

  function setScene(scene: SceneNode) {
    currentScene.value = scene
  }

  function setChoices(list: Choice[]) {
    choices.value = list
  }

  function clearChoices() {
    choices.value = []
  }

  function setGameEnded(val: boolean) {
    gameEnded.value = val
  }

  function setTimer(total: number, remaining: number) {
    timerTotal.value = total
    timerRemaining.value = remaining
  }

  function clearTimer() {
    timerTotal.value = 0
    timerRemaining.value = 0
  }

  function setSaves(list: SlotInfo[]) {
    saves.value = list
  }

  function showQTE(qte: QTEDefinition) {
    qteActive.value = true
    qteDef.value = qte
    qteTotal.value = qte.timeLimit
    qteRemaining.value = qte.timeLimit
    qteResult.value = 'none'
  }

  function updateQTE(remaining: number) {
    qteRemaining.value = remaining
  }

  function resolveQTE(success: boolean) {
    qteResult.value = success ? 'success' : 'fail'
    setTimeout(() => {
      qteActive.value = false
      qteDef.value = null
      qteResult.value = 'none'
    }, 1000)
  }

  function clearQTE() {
    qteActive.value = false
    qteDef.value = null
    qteResult.value = 'none'
    qteTotal.value = 0
    qteRemaining.value = 0
  }

  function setVideoTime(t: number) {
    videoTime.value = t
  }

  function setHotspots(list: Hotspot[]) {
    hotspots.value = list
  }

  function clearHotspots() {
    hotspots.value = []
  }

  function setIsImageScene(val: boolean) {
    isImageScene.value = val
  }

  function setInputMode(mode: 'mouse' | 'keyboard') {
    inputMode.value = mode
  }

  function setChapters(list: ChapterInfo[]) {
    chapters.value = list
  }

  function setUnlockedChapters(ids: string[]) {
    unlockedChapterIds.value = new Set(ids)
  }

  function addUnlockedChapter(id: string) {
    unlockedChapterIds.value.add(id)
    unlockedChapterIds.value = new Set(unlockedChapterIds.value)
  }

  function setShowChapterSelect(val: boolean) {
    showChapterSelect.value = val
  }

  function setShowAchievements(val: boolean) {
    showAchievements.value = val
  }

  function setAchievementDefs(list: AchievementDef[]) {
    achievementDefs.value = list
  }

  function setUnlockedAchievementIds(ids: string[]) {
    unlockedAchievementIds.value = new Set(ids)
  }

  function addUnlockedAchievement(id: string) {
    unlockedAchievementIds.value.add(id)
    unlockedAchievementIds.value = new Set(unlockedAchievementIds.value)
    toastAchievementId.value = id
  }

  function clearToastAchievement() {
    toastAchievementId.value = ''
  }

  function setEndings(list: EndingDef[]) {
    endings.value = list
  }

  function setShowEndingGallery(val: boolean) {
    showEndingGallery.value = val
  }

  function setVisitedSceneIds(ids: string[]) {
    visitedSceneIds.value = new Set(ids)
  }

  function addVisitedSceneId(id: string) {
    visitedSceneIds.value.add(id)
    visitedSceneIds.value = new Set(visitedSceneIds.value)
  }

  function setStoryLocales(locales: LocalesConfig | undefined, assetBase?: string) {
    if (locales) {
      const base = (assetBase || '')
      const p = locales.path.startsWith('/') || locales.path.startsWith('http') ? locales.path : base + locales.path
      storyLocales.value = { ...locales, path: p }
    }
  }

  function setSubFontSize(v: number) { subFontSize.value = v; localStorage.setItem('subFontSize', String(v)) }
  function setSubBgAlpha(v: number) { subBgAlpha.value = v; localStorage.setItem('subBgAlpha', String(v)) }
  function setQteTimeRelax(v: boolean) { qteTimeRelax.value = v; localStorage.setItem('qteTimeRelax', String(v)) }
  function setQteSingleKey(v: boolean) { qteSingleKey.value = v; localStorage.setItem('qteSingleKey', String(v)) }
  function setAntiMistap(v: boolean) { antiMistap.value = v; localStorage.setItem('antiMistap', String(v)) }
  function setPauseEnabled(v: boolean) { pauseEnabled.value = v; localStorage.setItem('pauseEnabled', String(v)) }
  function setShowSettings(v: boolean) { showSettings.value = v }

  function variable(name: string): number {
    return variables.value[name] ?? 0
  }

  function syncVariables(vars: Record<string, number>) {
    variables.value = { ...vars }
  }

  function setBattleResult(data: any) {
    battleResultData.value = data
    showBattleResult.value = true
  }

  function setShowBattleResult(v: boolean) { showBattleResult.value = v }

  function setPreferredQuality(q: string) { preferredQuality.value = q; localStorage.setItem('preferredQuality', q) }

  function setIntroVideo(url: string) { introVideo.value = url }
  function setMenuVideo(url: string) { menuVideo.value = url }

  function dump() {
    console.group('GameStore')
    console.log('currentScene:', currentScene.value?.id)
    console.log('videoTime:', videoTime.value)
    console.log('choices:', choices.value)
    console.log('timer:', { total: timerTotal.value, remaining: timerRemaining.value })
    console.log('gameEnded:', gameEnded.value)
    console.log('qte:', { active: qteActive.value, result: qteResult.value, total: qteTotal.value, remaining: qteRemaining.value })
    console.log('saves:', saves.value)
    console.groupEnd()
  }

  return {
    currentScene, choices, gameEnded, timerTotal, timerRemaining, saves,
    qteActive, qteDef, qteTotal, qteRemaining, qteResult, videoTime,
    hotspots, isImageScene, showChapterSelect, chapters, unlockedChapterIds,
    inputMode, showAchievements, achievementDefs, unlockedAchievementIds,
    toastAchievementId, showEndingGallery, endings, visitedSceneIds,
    storyLocales,
    subFontSize, subBgAlpha, qteTimeRelax, qteSingleKey, antiMistap, pauseEnabled,
    showSettings, introVideo, menuVideo,
    showBattleResult, battleResultData, variables,
    preferredQuality,
    setScene, setChoices, clearChoices, setGameEnded,
    setTimer, clearTimer, setSaves,
    showQTE, updateQTE, resolveQTE, clearQTE, setVideoTime,
    setHotspots, clearHotspots, setIsImageScene,
    setInputMode,
    setChapters, setUnlockedChapters, addUnlockedChapter, setShowChapterSelect,
    setShowAchievements, setAchievementDefs, setUnlockedAchievementIds,
    addUnlockedAchievement, clearToastAchievement,
    setEndings, setShowEndingGallery, setVisitedSceneIds, addVisitedSceneId,
    setStoryLocales,
    setSubFontSize, setSubBgAlpha, setQteTimeRelax, setQteSingleKey, setAntiMistap, setPauseEnabled,
    setShowSettings, setIntroVideo, setMenuVideo,
    variable, setBattleResult, setShowBattleResult, syncVariables,
    setPreferredQuality,
    dump,
  }
})