const activeCompleteStepChar = "1";
const stepChar = "0";
const barCompletedChar = "━";
const barChar = "━";

export const displayStepper = (steps: string[], completed: number | null = null, pad: number = 8) => {
    const max = maxLength(steps) + pad;
    let bar = '';

    steps.forEach((_, index) => {
        const isCompletedStep = index <= completed;
        if (isCompletedStep) {
            bar += activeCompleteStepChar;
        } else {
            bar += stepChar;
        }
        if (index < steps.length - 1) {
            if (isCompletedStep) {
                bar += barCompletedChar.repeat(max);
            } else {
                bar += barChar.repeat(max);
            }
        }
    });

    let text = '';

    steps.forEach((step, index) => {
        let pad = 0;
        if (index < steps.length - 1) {
            if (index === 0) {
                pad = max - step.length - Math.floor(steps[index].length / 2) + 1;
            } else {
                pad = max - Math.floor(step.length / 2) - Math.floor(steps[index].length / 2) + Math.floor(index/2);
            }
        }
        text += step;
        text += " ".repeat(pad);
    });
    text += '\n';
    console.log(bar);
    console.log(text);
}

export const maxLength = (data: string[]) => {
    let max = 0;
    for (const d of data) {
        if (d.length > max) {
            max = d.length;
        }
    }

    return max;
}