const mineflayer = require('mineflayer')
const pvp = require('mineflayer-pvp').plugin
const { pathfinder, Movements, goals} = require('mineflayer-pathfinder')
const armorManager = require('mineflayer-armor-manager')
const AutoAuth = require('mineflayer-auto-auth')
const autoeat = require("mineflayer-auto-eat")

function createBot(){
  const bot = mineflayer.createBot({
    host: process.argv[2] ||"wolfxmc.org",
    port: "25565",
    username: 'Hcat_lbS68Y2k',
    logErrors: true,
    hideErrors: false,
    version: "1.16.5",
    plugins: [AutoAuth],
    AutoAuth: {
       logging: true,
       password: 'AdminHcat',
       ignoreRepeat: true
     }
})

bot.on('error', (err) => console.log(err))
bot.on('end', createBot)

// const bot = mineflayer.createBot({
//     host: process.argv[2],
//     port: process.argv[3],
//     username: process.argv[4] || 'Hcat_SuperBot',
//     password: process.argv[5],
//     logErrors: false,
//     plugins: [AutoAuth],
//     AutoAuth: {
//       logging: true,
//       password: 'AdminHcat',
//       ignoreRepeat: true
//     }
// })

bot.loadPlugin(pvp)
bot.loadPlugin(armorManager)
bot.loadPlugin(pathfinder)
bot.loadPlugin(autoeat)

bot.on('serverAuth', function() {
    // 授权登录成功
    bot.chat("授权登录成功")
  });

bot.on('playerCollect', (collector, itemDrop) => {
  if (collector !== bot.entity) return

  setTimeout(() => {
    const sword = bot.inventory.items().find(item => item.name.includes('sword'))
    if (sword) bot.equip(sword, 'hand')
  }, 150)
})

bot.on('playerCollect', (collector, itemDrop) => {
  if (collector !== bot.entity) return
  bot.armorManager.equipAll()
  setTimeout(() => {
    const shield = bot.inventory.items().find(item => item.name.includes('shield'))
    if (shield) bot.equip(shield, 'off-hand')
  }, 250)
})

let guardPos = null

function guardArea (pos) {
  guardPos = pos.clone()

  if (!bot.pvp.target) {
    moveToGuardPos()
  }
}

function stopGuarding () {
  guardPos = null
  bot.pvp.stop()
  bot.pathfinder.setGoal(null)
}

function moveToGuardPos () {
  const mcData = require('minecraft-data')(bot.version)
  bot.pathfinder.setMovements(new Movements(bot, mcData))
  bot.pathfinder.setGoal(new goals.GoalBlock(guardPos.x, guardPos.y, guardPos.z))
}

function moveToEntityPos (entity) {
  const mcData = require('minecraft-data')(bot.version)
  bot.pathfinder.setMovements(new Movements(bot, mcData))
  bot.pathfinder.setGoal(new goals.GoalBlock(entity.position.x, entity.position.y, entity.position.z))
}

bot.on('stoppedAttacking', () => {
  if (guardPos) {
    moveToGuardPos()
  }
})

bot.on('physicTick', () => {
  if (bot.pvp.target) return
  if (bot.pathfinder.isMoving()) return
  const entity = bot.nearestEntity()
  if(!entity)return
  if (entity.displayName !=="undefined" && entity.displayName !=="Arrow") bot.lookAt(entity.position.offset(0, entity.height, 0))
  // console.log("跟踪到实体：" + entity.displayName)
  if (entity.displayName === "Item") moveToEntityPos(entity)
})

bot.on('physicTick', () => {
  if (!guardPos) return

  const filter = e => e.type === 'mob' && e.position.distanceTo(bot.entity.position) < 16 &&
                      e.mobType !== 'Armor Stand' // Mojang classifies armor stands as mobs for some reason?

  const entity = bot.nearestEntity(filter)
  if (entity) {
    bot.pvp.attack(entity)

  }
})

bot.on('chat', (username, message) => {
  if (message === 'guard' || message === '守护') {
    const player = bot.players[username]

    if (!player) {
      bot.chat("我看不到你")
      return
    }
    if (!player.entity){
      bot.chat("无法找到实体")
      return
    }
    bot.chat('我会保护好这个地方哒')
    guardArea(player.entity.position)
  }

  if (message === 'fight me') {
    const player = bot.players[username]

    if (!player) {
      bot.chat("我看不到你")
      return
    }

    bot.chat('准备战斗！')
    bot.pvp.attack(player.entity)
  }

  if (message === 'stop') {
    bot.chat('我将不再守卫这个地方')
    stopGuarding()
  }
})

//控制台打印消息
bot.on('message', (message) => {
  console.log(message.toAnsi())
})
//控制台打印生命状态
bot.on('health', () => {
  // console.log(bot.food)
})


bot.once('spawn', () => {
  bot.autoEat.options = {
    priority: 'foodPoints',
    startAt: 18,
    setTimeout: 10,
    bannedFood: ["golden_apple", "enchanted_golden_apple", "rotten_flesh"]
  }
  // bot.physics.sprintSpeed = 15;
})


bot.on('autoeat_started', () => {
  console.log('自动进食已开始!')
})

bot.on('autoeat_stopped', () => {
  console.log('自动进食已停止！')
})

bot.on('entityHurt', (entity) => {
  if (entity===bot.entity){
    guardArea(bot.entity.position)

      const sword = bot.inventory.items().find(item => item.name.includes('sword'))
      if (sword) bot.equip(sword, 'hand')
    console.log("焯！我被打了")
  }

})

bot.on('entityEffect', (entity,effect) => {
    console.log("获得buff："+ entity.type+"BUFF:"+effect.id)
  })

  var resend = false
  var tpaccept = false

  bot.on('chat', (username, message) => {

    if (message === "BotTpME") {
      if (username !== "Hcat") {
        bot.chat("机器人暂仅支持Hcat使用哦")
        return
      }
      bot.chat("/tpa " + username)
      bot.chat("已发送传送请求")
    }

    if (message === "切换复读机") {
      if (username !== "Hcat") {
        bot.chat("机器人暂仅支持Hcat使用哦")
        return
      }
      resend = !resend
      bot.chat("复读机开关：" + resend)
    }

    if (message === "切换自动请求") {
      if (username !== "Hcat") {
        bot.chat("机器人暂仅支持Hcat使用哦")
        return
      }
      tpaccept = !tpaccept
      bot.chat("自动接受传送：" + tpaccept)
    }

    // if (tpaccept) {
    //   bot.chat("/tpaccept")
    // } else {
    //   bot.chat("/tpdeny")
    // }

    if (message === '手动接受TP') {
      bot.chat('/tpaccept')
    }
    if (message === '传送小黑塔') {
      bot.chat('/res tp black_tower')
    }


    if (username === bot.username) return
    if (resend === true) bot.chat(message)
  })


bot.on('health', () => {
  if (bot.food === 20 || bot.pvp.target) {
    bot.autoEat.disable()//如果机器人处于20个食物点，则自动进食
  }else bot.autoEat.enable() // 否则再次启用插件
})

bot.on('chat', async (username, message) => {
  if (username === bot.username) return
  switch (message) {
    case 'loaded':
      await bot.waitForChunksToLoad()
      bot.chat('Ready!')
      break
    case 'list':
      sayItems()
      break
    case 'dig':
      dig()
      break
    case 'build':
      build()
      break
    case 'equip dirt':
      equipDirt()
      break
  }
})

function sayItems (items = bot.inventory.items()) {
  const output = items.map(itemToString).join(', ')
  if (output) {
    bot.chat(output)
  } else {
    bot.chat('背包内无物品')
  }
}

function dig () {
  let target
  if (bot.targetDigBlock) {
    bot.chat(`already digging ${bot.targetDigBlock.name}`)
  } else {
    target = bot.blockAt(bot.entity.position.offset(0, -1, 0))
    if (target && bot.canDigBlock(target)) {
      bot.chat(`正在开始采集 ${target.name}`)
      bot.dig(target, onDiggingCompleted)
    } else {
      bot.chat('cannot dig')
    }
  }

  function onDiggingCompleted (err) {
    if (err) {
      console.log(err.stack)
      return
    }
    bot.chat(`finished digging ${target.name}`)
  }
}

function build () {
  const referenceBlock = bot.blockAt(bot.entity.position.offset(0, -1, 0))
  const jumpY = Math.floor(bot.entity.position.y) + 1.0
  bot.setControlState('jump', true)
  bot.on('move', placeIfHighEnough)

  let tryCount = 0

  function placeIfHighEnough () {
    if (bot.entity.position.y > jumpY) {
      bot.placeBlock(referenceBlock, vec3(0, 1, 0), (err) => {
        if (err) {
          tryCount++
          if (tryCount > 10) {
            bot.chat(err.message)
            bot.setControlState('jump', false)
            bot.removeListener('move', placeIfHighEnough)
            return
          }
          return
        }
        bot.setControlState('jump', false)
        bot.removeListener('move', placeIfHighEnough)
        bot.chat('Placing a block was successful')
      })
    }
  }
}

function equipDirt () {
  const mcData = require('minecraft-data')(bot.version)
  let itemsByName
  if (bot.supportFeature('itemsAreNotBlocks')) {
    itemsByName = 'itemsByName'
  } else if (bot.supportFeature('itemsAreAlsoBlocks')) {
    itemsByName = 'blocksByName'
  }
  bot.equip(mcData[itemsByName].dirt.id, 'hand', (err) => {
    if (err) {
      bot.chat(`unable to equip dirt: ${err.message}`)
    } else {
      bot.chat('equipped dirt')
    }
  })
}

function itemToString (item) {
  if (item) {
    return `${item.name} x ${item.count}`
  } else {
    return '(nothing)'
  }
}

}
createBot()