const state = {
  admin: false,
  roomStatus: {
    roomName: '',
    roomCode: '',
    player: {
      timeCode: 0,
      playing: true
    },
    current: {
      link: '',
      title: '',
      votes: 0,
      voters: []
    },
    playlist: []
  }
}

const getters = {
}

const actions = {
  setRoomCode ({ commit }, roomCode) {
    commit('SET_ROOMCODE', roomCode)
  },
  setRoomName ({ commit }, roomName) {
    commit('SET_ROOMNAME', roomName)
  },
  setRoomStatus ({ commit }, roomStatus) {
    commit('SET_ROOMSTATUS', roomStatus)
  },
  setAdmin ({ commit }) {
    commit('SET_ADMIN')
  },
  vote ({ commit, dispatch, state }, { link, isPositive, voterName }) {
    console.log('vote on ' + link + ' (' + isPositive + ') by ' + voterName)
    if (isPositive) {
      commit('ADD_VOTE', {
        link: link,
        voterName: voterName
      })
    } else {
      commit('REMOVE_VOTE', {
        link: link,
        voterName: voterName
      })
    }
    dispatch('rtc/broadcast', { message: state.roomStatus, type: 'status' }, { root: true })
  },
  setCurrent ({ commit, dispatch }, { playerStatus, timeCode }) {
    switch (playerStatus) {
      case 0:
        commit('CURRENT_END')
        break
      case 1:
        commit('CURRENT_PLAY', timeCode)
        break
      case 2:
        commit('CURRENT_PAUSE', timeCode)
        break
    }
    dispatch('rtc/broadcast', { message: state.roomStatus, type: 'status' }, { root: true })
  }
}

const mutations = {
  SET_ROOMCODE (state, code) {
    state.roomStatus.roomCode = code
  },
  SET_ROOMNAME (state, name) {
    state.roomStatus.roomName = name
  },
  SET_ROOMSTATUS (state, roomStatus) {
    state.roomStatus = roomStatus
  },
  SET_ADMIN (state) {
    state.admin = true
  },
  ADD_VOTE (state, { link, voterName }) {
    var play = state.roomStatus.playlist.find(play => play.link === link)
    if (play === undefined) {
      play = {
        link: link,
        votes: 1,
        voters: [
          voterName
        ]
      }
      if (state.roomStatus.current.votes === 0) state.roomStatus.current = play
      else state.roomStatus.playlist.push(play)
    } else {
      play.votes++
      play.voters.push(voterName)
    }
  },
  REMOVE_VOTE (state, { link, voterName }) {
    var play = state.roomStatus.playlist.find(play => play.link === link)
    play.votes--
    const index = play.voters.indexOf(voterName)
    if (index > -1) {
      play.voters.splice(index, 1)
    }

    if (play.vote === 0) {
      const index = state.roomStatus.playlist.indexOf(play)
      if (index > -1) {
        state.roomStatus.playlist.splice(index, 1)
      }
    }
  },
  CURRENT_END (state) {
    if (state.roomStatus.playlist.length === 0) {
      state.roomStatus.current.link = ''
      state.roomStatus.current.title = ''
      state.roomStatus.current.votes = 0
      state.roomStatus.current.voters = []
    } else {
      state.roomStatus.playlist.sort((a, b) => {
        return b.votes - a.votes
      })
      state.roomStatus.current = state.roomStatus.playlist.shift()
    }
  },
  CURRENT_PAUSE (state, timeCode) {
    state.roomStatus.player.playing = false
    state.roomStatus.player.timeCode = timeCode
  },
  CURRENT_PLAY (state, timeCode) {
    state.roomStatus.player.playing = true
    state.roomStatus.player.timeCode = timeCode
  }
}

export default {
  namespaced: true,
  state,
  getters,
  actions,
  mutations
}