const Beeminder = require('./Beeminder.js')
const Marvin = require('./Marvin.js')
const fs = require('fs')
const BEEMINDER_TOKEN = fs.readFileSync("./beeminder-token", 'utf8').trim()
const {DateTime, Interval, Duration} = require('luxon')

function sleep(n) {
    return new Promise((resolve, reject) => {
        setTimeout(resolve, n)
    })
}

function dateToInterval(d="today") {
    const now = DateTime.local()
    let retDate
    if (d == "today") {
        retDate = now.startOf('day')
    } else if (d == "yesterday") {
        retDate = now.startOf('day').minus({days: 1})
    } else {
        retDate = DateTime.fromISO(d)
    }
    return Interval.fromDateTimes(retDate.startOf('day'), retDate.endOf('day'))
}

if (require.main === module) {
    (async function() {
        const m = new Marvin()
        const interval = dateToInterval(process.argv.length > 2 ? process.argv[2] : 'today')
        const tasks = await (m.root.category('Tweag').then(tweag => tweag.tasksOverlapping(interval)))
        const value = Duration.sum(tasks.map(task => task.timeSpentOn(interval))).as('hours')

        const b = new Beeminder(BEEMINDER_TOKEN)
        const goal = b.user("me").goal("loonslaven")
        const daystamp = interval.start.toFormat('yyyyMMdd')
        const post_data = {
            daystamp,
            value,
            requestid: daystamp,
            comment: "from marvin"
        }
        console.log(post_data)
        console.log(await goal.create_datapoint(post_data))
        await sleep(2000)
        console.log((await goal.info()).safesum)
    })()
    
}