const levelup = require('levelup')
const memdown = require('memdown')

const db = levelup(memdown('./data'))

const task = process.argv[2]

if (!task) {
    listTasks()
} else {
    addTask()
}

function addTask() {
    const key = `Task: ${Math.random().toString(32).replace('.', '')}`
    db.put(key, task, (err) => {
        if (err) throw err
        listTasks()
    })
}

function listTasks() {
    db.createReadStream().on('data', (data) => {
        console.log(data.key.toString(), '=', data.value.toString())
    })
}