import Vue from 'vue'
import Vuex from 'vuex'

Vue.use(Vuex)

const store = new Vuex.Store({
  state: {
    token: '',
    userId: '',
    role: 'parent', // 用户的实际角色（数据库中的角色）
    currentRole: 'parent', // 当前视图模式（用于切换查看家长/孩子界面）
    familyId: '',
    nickname: '',
    currentChildId: '',
    currentMemberId: '', // 当前切换到的家庭成员ID（family_members表）
    currentMemberRole: '', // 当前切换到的家庭成员effectiveRole
    children: [],
    isSwitchedChild: false, // 家长切换到孩子状态的标记
    isSwitchedMember: false // 通过family_members切换的标记
  },
  mutations: {
    setToken(state, token) {
      state.token = token
      uni.setStorageSync('token', token)
    },
    setUserInfo(state, userInfo) {
      state.userId = userInfo.userId
      state.role = userInfo.role
      state.currentRole = userInfo.role // 初始化当前角色为实际角色
      state.familyId = userInfo.familyId
      state.nickname = userInfo.nickname
      // 保存到本地存储
      uni.setStorageSync('userId', userInfo.userId)
      uni.setStorageSync('role', userInfo.role)
      uni.setStorageSync('currentRole', userInfo.role)
      uni.setStorageSync('familyId', userInfo.familyId)
      // 登录时清除切换标记
      state.isSwitchedChild = false
      uni.setStorageSync('isSwitchedChild', false)
    },
    setChildren(state, children) {
      state.children = children
      if (children.length > 0 && !state.currentChildId) {
        state.currentChildId = children[0].id
      }
    },
    setCurrentChild(state, childId) {
      state.currentChildId = childId
      uni.setStorageSync('currentChildId', childId)
    },
    // 切换到孩子模式（家长切换）
    switchToChild(state, childId) {
      state.currentRole = 'child'
      state.currentChildId = childId
      state.isSwitchedChild = true
      uni.setStorageSync('currentRole', 'child')
      uni.setStorageSync('currentChildId', childId)
      uni.setStorageSync('isSwitchedChild', true)
    },
    // 切换回家长模式
    switchBackToParent(state) {
      state.currentRole = 'parent'
      state.currentChildId = ''
      state.isSwitchedChild = false
      uni.setStorageSync('currentRole', 'parent')
      uni.removeStorageSync('currentChildId')
      uni.setStorageSync('isSwitchedChild', false)
    },
    // 通过family_members切换到某个成员
    switchToMember(state, payload) {
      state.currentRole = payload.effectiveRole
      state.currentMemberId = payload.memberId
      state.currentMemberRole = payload.effectiveRole
      state.isSwitchedMember = true
      if (payload.effectiveRole === 'child') {
        state.isSwitchedChild = true
        state.currentChildId = payload.memberId
      }
      uni.setStorageSync('currentRole', payload.effectiveRole)
      uni.setStorageSync('currentMemberId', payload.memberId)
      uni.setStorageSync('currentMemberRole', payload.effectiveRole)
      uni.setStorageSync('isSwitchedMember', true)
      if (payload.effectiveRole === 'child') {
        uni.setStorageSync('currentChildId', payload.memberId)
        uni.setStorageSync('isSwitchedChild', true)
      }
    },
    // 从family_members切换回自己
    switchBackFromMember(state) {
      var originalRole = uni.getStorageSync('role') || 'parent'
      state.currentRole = originalRole
      state.currentMemberId = ''
      state.currentMemberRole = ''
      state.isSwitchedMember = false
      state.isSwitchedChild = false
      state.currentChildId = ''
      uni.setStorageSync('currentRole', originalRole)
      uni.removeStorageSync('currentMemberId')
      uni.removeStorageSync('currentMemberRole')
      uni.setStorageSync('isSwitchedMember', false)
      uni.removeStorageSync('currentChildId')
      uni.setStorageSync('isSwitchedChild', false)
    },
    // 切换视图模式（不修改数据库中的实际角色）
    switchViewMode(state, role) {
      state.currentRole = role
      uni.setStorageSync('currentRole', role)
    },
    // 兼容旧的方法名
    switchRole(state, role) {
      state.currentRole = role
      uni.setStorageSync('currentRole', role)
    },
    logout(state) {
      state.token = ''
      state.userId = ''
      state.role = 'parent'
      state.currentRole = 'parent'
      state.familyId = ''
      state.nickname = ''
      state.currentChildId = ''
      state.currentMemberId = ''
      state.currentMemberRole = ''
      state.children = []
      state.isSwitchedChild = false
      state.isSwitchedMember = false
      state.isSwitchedTeacher = false
      // 清除全部登录态存储
      uni.removeStorageSync('token')
      uni.removeStorageSync('currentRole')
      uni.removeStorageSync('isSwitchedChild')
      uni.removeStorageSync('isSwitchedTeacher')
      uni.removeStorageSync('userId')
      uni.removeStorageSync('role')
      uni.removeStorageSync('familyId')
      uni.removeStorageSync('openid')
      uni.removeStorageSync('userInfo')
      uni.removeStorageSync('nickname')
      uni.removeStorageSync('currentChildId')
      uni.removeStorageSync('currentMemberId')
      uni.removeStorageSync('currentMemberRole')
      uni.removeStorageSync('isSwitchedMember')
    }
  },
  actions: {
    login({ commit }, userInfo) {
      commit('setToken', userInfo.token)
      commit('setUserInfo', userInfo)
    },
    updateChildren({ commit }, children) {
      commit('setChildren', children)
    }
  }
})

export default store