import fs from 'node:fs'

const report = []


fs.readFile('example.txt', ({ encoding: "utf-8" }), (err, data) => {
    //console.log(data)

    // rows = reports
    const crit = 3
    let safe_reports = 0
    for (let line of data.split('\n')) {
        // line.split(' ') == levels

        let levels = line.split(' ')
        let safe = true
        let safe_text = ""
        //let sho = (parseInt(levels[0]) > parseInt(levels[1])) ? true : false
        let shouldIncrease = (parseInt(levels[0]) < parseInt(levels[1])) ? true : false
        let safe_level = 0
        for (let i = 1; i < levels.length; i++) {
            let difference = Math.abs(parseInt(levels[i]) - parseInt(levels[i - 1]))
            let isIncreasing = parseInt(levels[i]) > parseInt(levels[i - 1]) ? true : false
            if (!shouldIncrease && isIncreasing) {
                safe = false
                safe_level += 1
                safe_text += " should decrease "
            }
            if (shouldIncrease && !isIncreasing) {
                safe = false
                safe_level += 1
                safe_text += " should increase "
            }
            if (difference > crit) {
                safe = false
                safe_level += 1
                safe_text += ` too much difference (${difference})`
            }
            if (difference < 1) {
                safe = false
                safe_level += 1
                safe_text += ` too little difference (${difference})`
            }
        }
        if (safe || safe_level === 1) { safe_reports += 1 }
        console.log(`safe reports so far: ${safe_reports} - ${shouldIncrease ? 'Increasing' : 'Decreasing'} - ${safe_level} - ${levels.join(" ")} - ${safe_text}`)


        // for (let i = 0; i < levels.length; i++) {

        // }
    }

})