import music from '../../utils/music'
const sourceList = {}
const sources = []
for (const source of music.sources) {
  const leaderboard = music[source.id].leaderboard
  if (!leaderboard || !leaderboard.getBoards) continue
  sourceList[source.id] = []
  sources.push(source)
}

// state
const state = {
  boards: sourceList,
  list: [],
  total: 0,
  page: 1,
  limit: 30,
  key: null,
}

// getters
const getters = {
  sources(state, getters, rootState, { sourceNames }) {
    return sources.map(item => ({ id: item.id, name: sourceNames[item.id] }))
  },
  boards(state) {
    return state.boards
  },
  list(state) {
    return state.list
  },
  info(state) {
    return {
      total: state.total,
      limit: state.limit,
      page: state.page,
    }
  },
}

// actions
const actions = {
  getBoardsList({ state, rootState, commit }) {
    // if (state.boards.length)
    let source = rootState.setting.leaderboard.source
    // let tabId = rootState.setting.leaderboard.tabId
    // let key = `${source}${tabId}${page}`
    // if (state.list.length && state.key == key) return true
    // commit('clearList')
    if (state.boards[source].length) return
    return music[source].leaderboard.getBoards().then(result => commit('setBoardsList', { boards: result, source }))
  },
  getList({ state, rootState, commit }, page) {
    // let source = rootState.setting.leaderboard.source
    let tabId = rootState.setting.leaderboard.tabId
    let [source, bangId] = tabId.split('__')
    let key = `${source}${tabId}${page}`
    if (state.list.length && state.key == key) return true
    commit('clearList')
    return music[source].leaderboard.getList(bangId, page).then(result => commit('setList', { result, key }))
  },
}

// mitations
const mutations = {
  setBoardsList(state, { boards, source }) {
    state.boards[source] = boards.list
  },
  setList(state, { result, key }) {
    state.list = result.list
    state.total = result.total
    state.limit = result.limit
    state.page = result.page
    state.key = key
  },
  clearList(state) {
    state.list = []
    state.total = 0
  },
}

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