const mineflayer = require('mineflayer')
const { pathfinder, Movements, goals } = require('mineflayer-pathfinder')
const GoalFollow = goals.GoalFollow
const GoalBlock = goals.GoalBlock
const { Vec3 } = require('vec3')
const autoeat = require("mineflayer-auto-eat")

// to add forge modules https://github.com/PrismarineJS/mineflayer/pull/472

const options = {
    host: "127.0.0.1",
    port: 50500,
    username: 'V5-Bot'
}

var mc = require('minecraft-protocol');
var autoVersionForge = require('minecraft-protocol-forge').autoVersionForge;
var client = mc.createClient(options);

autoVersionForge(client);

const bot = mineflayer.createBot(options)
bot.loadPlugin(pathfinder)
bot.loadPlugin(autoeat)

function delay(time) { // delay function
    return new Promise(resolve => setTimeout(resolve, time));
}

function followPlayer(username){
    const playerToFollow = bot.players[username]
    /*if (!playerFH) {
        bot.chat(`I can't see ${playerFH} !`)
        return
    }*/
    const mcData = require('minecraft-data')(bot.version)
    const movements = new Movements(bot, mcData)
    movements.scafoldingBlocks = []
    bot.pathfinder.setMovements(movements)
    const goal = new GoalFollow(playerToFollow.entity, 2)
    bot.pathfinder.setGoal(goal, true) // true # for checking Goal position each frame
}

function locateEmeraldBlock(){
    const mcData = require('minecraft-data')(bot.version)
    const movements = new Movements(bot, mcData)
    movements.scafoldingBlocks = []
    bot.pathfinder.setMovements(movements)
    const emeraldBlock = bot.findBlock({
        matching: mcData.blocksByName.emerald_block.id,
        maxDistance: 32
    })

    if (!emeraldBlock){
        bot.chat("I can't see any emerald blocks!")
        return
    }
    const x = emeraldBlock.position.x
    const y = emeraldBlock.position.y + 1
    const z = emeraldBlock.position.z
    const goal = new GoalBlock(x, y, z)
    bot.pathfinder.setGoal(goal)
}

function lightUp() {
    const mcData = require('minecraft-data')(bot.version)
    const movements = new Movements(bot, mcData)
    movements.scafoldingBlocks = []
    bot.pathfinder.setMovements(movements)
    
    const isAir = bot.findBlock({
        matching: mcData.blocksByName.air.id,
        maxDistance: 32
    })
    const x = isAir.position.x
    const y = isAir.position.y - 1
    const z = isAir.position.z
    const potentialLightableBlock = bot.blockAt({
        x,
        y,
        z 
    })
    if (potentialLightableBlock.transparent === false && isAir.light <= 7){
        bot.equip(bot.inventory.findInventoryItem('torch'))
        bot.placeBlock('torch',isAir.position)
    }
}


bot.once('spawn', () => {
    bot.chat('I am connected')
    //delay(1000).then(() => bot.chat("...And I am The Bot."));
    
    bot.autoEat.options = {
        priority: "foodPoints",
        bannedFood: ['beetroot', 'cake', 'carrot', 'chorus_fruit', 'golden_carrot', 'honey_bottle', 'poisonous_potato', 'potato', 'pufferfish', 'beef', 'chicken', 'cod', 'mutton', 'porkchop', 'rabbit', 'salmon', 'rotten_flesh', 'spider_eye', 'suspicious_stew', 'sweet_berries', 'tropical_fish', "golden_apple", "enchanted_golden_apple"],
        eatingTimeout: 2
    }

    setInterval(() => {
        if (bot.health >=6){
            const mobFilter = e => (e.type === 'mob' && (e.mobType === 'Slime' || e.mobType === 'Zombie' || e.mobType === 'Spider'))
            const mob = bot.nearestEntity(mobFilter)
            if (!mob) return
            const pos = mob.position.offset(0,mob.height,0)
            const dist = pos.distanceTo(bot.entity.position)
            bot.lookAt(pos, true)
            if (dist >= 20) return
            if (dist <= 10 && bot.inventory.findInventoryItem('diamond_sword')) {
                bot.equip(bot.inventory.findInventoryItem('diamond_sword'))
            }
            //console.log(dist)
            if (dist <= 5){
                bot.attack(mob)
            }// else{
               // console.log('is not Fighting')
            //}
        }
    }, 800)
})

bot.on("autoeat_started", () => {
    console.log("Auto Eat started!")
})
  
bot.on("autoeat_stopped", () => {
    console.log("Auto Eat stopped!")
    bot.sw
})
  
bot.on("health", () => {
    if (bot.food === 20) bot.autoEat.disable()
    // Disable the plugin if the bot is at 20 food points
    else bot.autoEat.enable() // Else enable the plugin again
})

bot.on('chat', (username, message) => {
 
    if (message === 'hi') bot.chat(`Hi ${username}!`);
    if (message === (`${bot.username} off`)){
        bot.chat(`Bye ${username}!`)
        bot.quit()    
    }
    if (message === 'bot spawnpoint') {
        bot.chat(`${bot.spawnPoint.x} ${bot.spawnPoint.y} ${bot.spawnPoint.z}`)
    }
    if (message === 'bot follow me') {
        followPlayer(username)
    }
    if (message === 'bot stop follow') {
        bot.chat(`CU later ${username}`)
        bot.pathfinder.stop()
    }
    if (message === 'bot find emerald block') {
        locateEmeraldBlock()
    }
    if (message === 'bot light up') {
        lightUp()
    }
    /*if (message === 'bot stop find') {
        bot.chat(`Ok...`)
        bot.pathfinder.stop()
    }*/
})