import { defineStore } from 'pinia'
import { call, on, onTasksChanged } from './api'

export const useAppStore = defineStore('app', {
  state: () => ({
    bootstrap: { state: 'loading' },
    projects: [],
    projectGroups: [],
    selectedProjectGroupId: Number(localStorage.getItem('cc-project-group-id') || 0),
    dashboard: { projects: 0, totalLines: 0, commits: 0 },
    settings: { theme: 'dark', locale: 'zh-CN', glassOpacity: 55, gitScope: 'current', autoRefresh: true, loadingStyle: 'fullscreen-orbit', imageMode: 'base64' },
    tasks: {},
    batchTaskIds: [],
    batchSummary: null,
    pendingAction: '',
    favorites: [],
    unreadMessages: 0,
    // 左侧导航徽标（消息未读/待办/工单/今日到期/日历红点/团队指派）
    badges: { unread: 0, todosOpen: 0, ticketsActive: 0, todayDue: 0, calendarDot: false, teamAssigned: 0 },
    toast: null,
    toastTimer: null,
    toastLeaveTimer: null,
    loading: false,
    syncStatus: { configured: false, loggedIn: false, userId: 0, username: '', online: false, syncing: false },
    avatarSrc: '',
    loginOpen: false,
    paletteOpen: false,
    // 日历页"每日心语"入口：设为 'YYYY-MM-DD' 时 DailyCard 打开对应日期的卡片
    dailyCardDate: '',
    // 节日名 → { mode: 'photo'|'art', image: dataURL }（管理员上传，随同步分发）
    festivalImages: {},
    // 探测到加载失败的节日图（key → true），日历格自动回退动态插画
    festBroken: {}
  }),
  actions: {
    async boot() {
      this.bootstrap = await call('GetBootstrapStatus')
      if (this.bootstrap.state === 'ready') {
        this.settings = await call('GetSettings')
        this.applyAppearance(this.settings)
        try { this.syncStatus = await call('GetSyncStatus') } catch {}
        this.loadFestivalImages()
        await this.refresh()
      }
    },
    async loadFestivalImages() {
      try { this.festivalImages = (await call('ListFestivalImages')) || {} } catch { return }
      // 预探测 photo 模式的图片：解码失败的标记为 broken，展示时回退动态插画
      for (const [key, it] of Object.entries(this.festivalImages)) {
        if (it.mode !== 'photo' || !it.image) continue
        const probe = new Image()
        probe.onerror = () => { this.festBroken = { ...this.festBroken, [key]: true } }
        probe.onload = () => { if (this.festBroken[key]) { const n = { ...this.festBroken }; delete n[key]; this.festBroken = n } }
        probe.src = it.image
      }
    },
    applyAppearance(settings) {
      this.settings = { ...this.settings, ...settings }
      let theme = this.settings.theme || 'dark'
      if (theme === 'system') theme = matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light'
      document.documentElement.dataset.theme = theme
      document.documentElement.style.setProperty('--glass-user-opacity', String((this.settings.glassOpacity || 55) / 100))
      localStorage.setItem('cc-settings', JSON.stringify(this.settings))
      this.resolveAvatar()
    },
    // resolveAvatar 把设置中的头像解析为可显示的 <img> 源：path 模式需经后端读文件转 dataURL。
    async resolveAvatar() {
      const { avatarMode, avatarValue } = this.settings
      if (!avatarMode || !avatarValue) { this.avatarSrc = ''; return }
      if (avatarMode === 'path') {
        try { this.avatarSrc = await call('ReadImageAsDataURL', avatarValue) } catch { this.avatarSrc = '' }
        return
      }
      this.avatarSrc = avatarValue
    },
    async refreshSyncStatus() {
      try { this.syncStatus = await call('GetSyncStatus') } catch {}
    },
    // openAccount 是所有登录入口的统一行为：未登录弹全屏登录层，已登录进个人主页。
    openAccount(router) {
      if (this.syncStatus.loggedIn) router?.push('/profile')
      else this.loginOpen = true
    },
    async saveSettings(patch) {
      const next = { ...this.settings, ...patch }
      await call('SaveSettings', next)
      this.applyAppearance(next)
      return next
    },
    showToast(payload) {
      clearTimeout(this.toastTimer)
      clearTimeout(this.toastLeaveTimer)
      this.toast = { ...payload, leaving: false, muted: false, id: Date.now() }
      this.toastTimer = setTimeout(() => {
        if (this.toast) this.toast.muted = true
      }, 3000)
      this.toastLeaveTimer = setTimeout(() => {
        if (this.toast) this.toast.leaving = true
        setTimeout(() => {
          this.toast = null
        }, 360)
      }, 5000)
    },
    closeToast() {
      clearTimeout(this.toastTimer)
      clearTimeout(this.toastLeaveTimer)
      if (this.toast) this.toast.leaving = true
      setTimeout(() => {
        this.toast = null
      }, 220)
    },
    async refresh() {
      this.loading = true
      this.refreshSyncStatus()
      try {
        this.projectGroups = await call('ListProjectGroups')
        if (this.selectedProjectGroupId && !this.projectGroups.some(g => g.id === this.selectedProjectGroupId)) {
          this.setProjectGroup(0)
        }
        const groupId = this.selectedProjectGroupId || 0
        ;[this.projects, this.dashboard, this.favorites, this.unreadMessages] = await Promise.all([
          groupId ? call('ListProjectsByGroup', groupId) : call('ListProjects'),
          groupId ? call('GetDashboardByGroup', groupId) : call('GetDashboard'),
          call('ListFavorites').catch(() => []),
          call('UnreadMessageCount').catch(() => 0)
        ])
      } finally {
        this.loading = false
      }
    },
    async toggleFavorite(projectId) {
      const fav = await call('ToggleFavorite', projectId)
      this.favorites = fav ? [projectId, ...this.favorites.filter(x => x !== projectId)] : this.favorites.filter(x => x !== projectId)
      return fav
    },
    async refreshUnread() {
      try { this.unreadMessages = await call('UnreadMessageCount') } catch {}
      this.refreshBadges()
    },
    async refreshBadges() {
      try { this.badges = await call('GetNavBadges') } catch {}
    },
    async changeProjectGroup(groupId) {
      this.setProjectGroup(groupId)
      await this.refresh()
    },
    setProjectGroup(groupId, persist = true) {
      this.selectedProjectGroupId = Number(groupId) || 0
      if (persist) localStorage.setItem('cc-project-group-id', String(this.selectedProjectGroupId))
    },
    listen() {
      const offProgress = on('analysis:progress', e => {
        delete this.tasks.__batch_pending__
        this.tasks[e.taskId] = e
        if (['completed', 'error', 'cancelled'].includes(e.stage)) {
          if (this.batchTaskIds.includes(e.taskId)) {
            this.batchTaskIds = this.batchTaskIds.filter(id => id !== e.taskId)
            if (this.batchTaskIds.length) {
              this.tasks.__batch_pending__ = { taskId: '__batch_pending__', projectId: 0, stage: 'queued', progress: 100, messageKey: e.messageKey, params: e.params }
            }
          }
          this.showToast({ type: e.stage === 'completed' ? 'success' : 'error', key: e.messageKey, params: e.params })
          this.refresh()
        }
      })
      const offBatch = on('batch:done', s => {
        this.batchSummary = s
        this.batchTaskIds = []
        delete this.tasks.__batch_pending__
        this.showToast({ type: s.failed ? 'error' : 'success', key: 'batchDoneToast', params: { completed: s.completed, total: s.total } })
        this.refresh()
      })
      const offMessage = on('message:new', () => { this.unreadMessages += 1; this.refreshBadges() })
      const offSync = on('sync:done', async st => {
        this.syncStatus = st || this.syncStatus
        this.refreshBadges()
        // 拉取可能更新了设置（头像 / API Key），刷新本地副本
        try { this.applyAppearance(await call('GetSettings')) } catch {}
        // 拉取可能带来新项目/分组/收藏，刷新项目列表
        if (st?.pulled > 0) {
          this.refresh().catch(() => {})
          this.loadFestivalImages()
        }
      })
      // 徽标：启动即取，任务变更事件 + 60s 轮询兜底
      this.refreshBadges()
      const offTasks = onTasksChanged(() => this.refreshBadges())
      const badgeTimer = setInterval(() => this.refreshBadges(), 60000)
      return () => { offProgress?.(); offBatch?.(); offMessage?.(); offSync?.(); offTasks?.(); clearInterval(badgeTimer) }
    },
    async analyze(id, kind = 'all') {
      const task = await call('StartAnalysis', id, kind)
      this.tasks[task] = { taskId: task, projectId: id, stage: 'start', progress: 1, messageKey: 'task.start' }
      return task
    },
    async batchAnalyze(groupId = 0) {
      const ids = groupId ? await call('StartBatchAnalysisByGroup', groupId) : await call('StartBatchAnalysis')
      this.batchTaskIds = ids || []
      if (this.batchTaskIds.length && !Object.values(this.tasks).some(x => !['completed', 'error', 'cancelled'].includes(x.stage))) {
        this.tasks.__batch_pending__ = { taskId: '__batch_pending__', projectId: 0, stage: 'queued', progress: 1, messageKey: 'task.start' }
      }
      return this.batchTaskIds
    }
  }
})