import { Card } from "./types";

export function cardFullName(card: Card): string {
  if (card.Subname != "") {
    return `${card.Name}, ${card.Subname}`;
  }
  return card.Name;
}

export function createPonyheadURL(cards: Card[]): string {
  const cardlist = cards.map(c => `${c.ID}x1`);
  return "https://ponyhead.com/deckbuilder?v1code=" + cardlist.join("-");
}

export const colorNames = [
  "Loyalty",
  "Honesty",
  "Laughter",
  "Magic",
  "Generosity",
  "Kindness",
  "None"
];

export const typeNames = [
  "Mane Character",
  "Friend",
  "Event",
  "Resource",
  "Troublemaker",
  "Problem"
];

export const rarityNames = ["C", "U", "R", "SR", "UR", "RR", "F"];

// Trasform string from list to a number that can be used for comparison/sorting
function arrIndex(arr: string[]) {
  return function(comp: string) {
    const idx = arr.indexOf(comp);
    if (idx < 0) {
      return arr.length;
    }
    return idx;
  };
}

export const elemIndex = arrIndex(colorNames);
export const typeIndex = arrIndex(typeNames);
export const rarityIndex = arrIndex(rarityNames);

// Convert Element[] to number by scaling elements for fair comparisons
// Example: ["Loyalty", "Kindness"] -> [0, 5] -> [1, 6] -> 16
export function multiElemStr(elems: string[]): number {
  return elems
    .map(elemIndex)
    .reduce(
      (acc, elem, idx, arr) => acc + (elem + 1) * 10 ** (arr.length - idx - 1),
      0
    );
}

export function cardLimit(type: string) {
  switch (type) {
    case "Mane Character":
      return 1;
    case "Problem":
      return 2;
    default:
      return 3;
  }
}