let pathfinder
//TODO replace with simple pathfinder motions

let cfg = {}
let bot = {}
let inv
// cfg.autosleep = false

function sleep(quiet) {
    quiet = quiet !== undefined ? quiet : cfg.sleep.quiet
    if(bot.game.dimension !== "minecraft:overworld" || cfg.sleep.force){
        !quiet && bot.chat("can't sleep, not in overworld now")
        return
    }
    let bed = bot.findBlock({
        matching: block => bot.isABed(block)
    })
    let bedstatus = bed && bot.parseBedMetadata(bed).occupied ? "n unoccupied" : ""
    if(bed && bedstatus == "n unoccupied"){
        bot.lookAt(bed.position)
        bed = bot.findBlock({
            matching: block => bot.isABed(block) && !bot.parseBedMetadata(block).occupied
        }) || bed
        bedstatus = bot.parseBedMetadata(bed).occupied ? "n unoccupied" : ""
    }
    if (bed && bedstatus == "") {
        bot.lookAt(bed.position)
        bot.waitForChunksToLoad(() => {
            cfg.plugins.moveNear(bed.position)
            bot.sleep(bed, (err) => {
                if (err) {
                    !quiet && bot.chat(`can't sleep: ${err.message}`)
                } else {
                    !quiet && bot.chat("zzz")
                    console.log("sleeping? ", bot.isSleeping)
                    // hack until this is fixed
                    // bot.isSleeping = bot.isSleeping ? bot.isSleeping : true
                    bot.isSleeping = true
                }
            })
        })
    } else if (inv && inv.equipItem("red_bed", "hand", true)) {
        // doesn't work fortunately
        // FIXME: DONT IMPLEMENT until it is detected as NOT NETHER
        // bot.placeBlock()
    } else {
        // TODO: use mover
        // bot.gameplay.solveFor(
        //     new ObtainItem("bed"), (err) => {
        //         if (err) {
        //             !quiet && bot.chat(`need a${bedstatus} bed: may not see if just placed`)
        //         }
        //     }
        // )
        // bot.chat('/afk')
    }
    bot.pathfinder.movements
}

function wake() {
    bot.wake((err) => {
        if (err) {
            bot.chat(`can't wake up: ${err.message}`)
        } else {
            bot.chat('woke up')
        }
    })
}

function autoSleep() {
    if (!bot.time.isDay && !cfg.sleep.timeoutFn && cfg.sleep.auto && !bot.isSleeping) {
        sleep()
        cfg.sleep.timeoutFn = setTimeout(() => { cfg.sleep.timeoutFn = null }, cfg.sleep.timeout)
        console.log("sleeping?", bot.isSleeping, bot.time)
    }
}

const load = (config) => {
    cfg = config
    bot = cfg.bot
    cfg.sleep = {
        auto: true,
        // timeout: 30 * 1000,
        timeout: 2 * 60 * 1000,
        quiet: !!cfg.quiet
    }

    pathfinder = bot.pathfinder || require('mineflayer-pathfinder').pathfinder
    // bot.loadPlugin(pathfinder)
    inv = cfg.plugins["inventory"]
    bot.on("time", autoSleep)

}

const unload = () => {
    bot.off("time", autoSleep)
}

module.exports = { load, unload, sleep, wake }