import Telegraf from 'telegraf'
import TelegrafExtra from 'telegraf/extra'
import { saveChat, getChats, saveLogoutTime, getLastLogoutTime, saveKillCount, getKillCount,
  saveLevelUp, getLevelUpCount, saveLevel, setOnlineState, setOfflineState, getPlayersData
} from './database'
import {
  EVENT_TYPE_JOIN, EVENT_TYPE_DEATH, EVENT_TYPE_QUIT, EVENT_TYPE_PLAYER_LEVEL_CHANGE,
  EVENT_TYPE_PLAYER_KILLED_ENTITY
} from './types'
import { currentTime } from './utility'
import { getEntityDeathMessage, getEntityName } from './ru'
import stringTable from 'string-table'

const bot = new Telegraf('643297173:AAGuqfZx3GhiiARwvY7AtWTTFw1T-2FiwCM')
const markdown = TelegrafExtra.markdown()

bot.start(({ message: { chat: { id } } }) => saveChat(id))
bot.command(
  'players',
  ({ replyWithMarkdown }) => getPlayersData()
    .then(getPlayersData => replyWithMarkdown(
      stringTable.create(getPlayersData
        .map(({ displayName, level, online }) => ({
          'имя': `👤 *${displayName}*`,
          'уровень': level,
          'статус': `${online ? '✅ *онлайн*' : '❔ оффлайн'}`
        })))
    ))
)
bot.launch()

const sendMessageToAll = text => getChats()
  .then(chats => chats.map(({ chatId }) => chatId)
    .forEach(chatId => bot.telegram.sendMessage(chatId, text, markdown))
  )

const JOIN_NOTIFICATION_TIME_DELTA = 60 * 60 // 1h
const LEVEL_NOFIFICATION_EACH_LEVELS = 5
const KILL_NOTIFICATION_EACH_KILLS = 50

export const sendEvent = ({ type, displayName, ...payload }) => {
  switch (type) {
    case EVENT_TYPE_JOIN:
      setOnlineState(displayName)
      getLastLogoutTime(displayName)
        .then(lastLogoutTime => lastLogoutTime < currentTime() - JOIN_NOTIFICATION_TIME_DELTA &&
          sendMessageToAll(`👤 *${displayName}* присоединился 😼`))
      break
    case EVENT_TYPE_QUIT:
      setOfflineState(displayName)
      saveLogoutTime(displayName)
      break
    case EVENT_TYPE_DEATH:
      sendMessageToAll(`👤 *${displayName}* ☠️ ${getEntityDeathMessage(payload)} ☠️`)
      break
    case EVENT_TYPE_PLAYER_LEVEL_CHANGE:
      const { newLevel, oldLevel } = payload
      saveLevel(displayName, newLevel)
      if (newLevel < oldLevel) {
        return
      }
      const levelUpCount = getLevelUpCount(displayName)
      if (newLevel % LEVEL_NOFIFICATION_EACH_LEVELS === 0 &&
        levelUpCount >= LEVEL_NOFIFICATION_EACH_LEVELS
      ) {
        sendMessageToAll(`👤 *${displayName}* теперь уровня *${newLevel}* 👍`)
        saveLevelUp(displayName, 0)
      } else {
        saveLevelUp(displayName, levelUpCount + 1)
      }
      break
    case EVENT_TYPE_PLAYER_KILLED_ENTITY:
      getKillCount(displayName, payload.entityName)
        .then(killCount => {
          const newKillCount = killCount + 1
          saveKillCount(displayName, payload.entityName, newKillCount)
          if (newKillCount % KILL_NOTIFICATION_EACH_KILLS === 0) {
            sendMessageToAll(`👻 *${getEntityName(payload)}* повержен(а) 👤 *${displayName}*. Убито ещё ${KILL_NOTIFICATION_EACH_KILLS}! Всего 💀: ${newKillCount} 👍`)
          }
        })
      break
  }
}