import { Resistor, SeriesResistor, ParallelResistor } from './modules/resistors.js';

window.Resistor = Resistor
window.SeriesResistor = SeriesResistor
window.ParallelResistor = ParallelResistor

var resistorValues = [100, 1000]
var N = 4
var maxValue = Math.max(...resistorValues)

var numberline = new Array(N * maxValue + 1)
numberline.fill(-1)

var dp = new Map()

// Initialize DP array and number line
for (var i = 0; i < resistorValues.length; i++) {
    var value = resistorValues[i];
    var resistor = new Resistor(value);
    dp.set(value, resistor);
    numberline[value] = resistor;
}

function bottomUpDP() {
    var addition = new Set()
    dp.forEach(e1 => {
        dp.forEach(e2 => {
            var r1 = new SeriesResistor(e1, e2);
            var r2 = new ParallelResistor(e1, e2);
            addition.add(r1);
            addition.add(r2);
        });
    });
    addition.forEach( e => {
        value = Math.round(e.getOhmage());
        if (!dp.has(value)) {
            dp.set(value, e)
            numberline[value] = e;
        }
    });
}

console.log("Starting Computation of DP array.");
console.log(`Parameters: N = ${N}, values = ${resistorValues} `);
for (i = 0; i < N; i++)
    bottomUpDP();
console.log("Finished computation of DP array");
window.numberline = numberline

function missings() {
    var missing = new Set()
    for (i = 0; i < N * maxValue + 1; i++) {
        if (numberline[i] == -1) 
            missing.add(i);
    }
    return missing;
}
console.log(`We found a composite resistor for every value in the range [1, ${N * maxValue + 1}] but for: ${[...missings()].join(",")}`)