import {Values} from "./Shared";

export interface Program {
  id: string
  name: string
  steps: ProgramStep[]
}

export interface ProgramStep {
  index?: number
  values: Values,
  duration?: Values,
}

export function weighting(step: ProgramStep) {
  if (step.duration) {
    if (step.duration.time) {
      return 8 * step.duration.time;
    } else if (step.duration.calories) {
      return 4 * step.duration.calories;
    } else if (step.duration.distance) {
      return step.duration.distance;
    }
  }

  return 0;
}

export function subTitleOfProgram(program: Program): string {
  let minSum = 0;
  let secSum = 0;
  let kcalSum = 0;
  let mSum = 0;
  let hasCustom = false;

  for (const step of program.steps) {
    if (step.duration?.time) secSum += step.duration.time;
    if (step.duration?.calories) kcalSum += step.duration.calories;
    if (step.duration?.distance) mSum += step.duration.distance;

    hasCustom = hasCustom || (!(step.duration?.time) && !(step.duration?.calories) && !(step.duration?.distance));
  }

  minSum = Math.floor(secSum / 60);
  secSum = secSum % 60;

  const parts = [];
  if (minSum > 0) parts.push(`${minSum} min`);
  if (secSum > 0) parts.push(`${secSum} sek`);
  if (kcalSum > 0) parts.push(`${kcalSum} kcal`);
  if (mSum > 0) parts.push(`${mSum / 1000} km`);
  if (hasCustom) parts.push("Custom");

  return parts.join(" + ");
}