import { readFileSync } from "fs";
import { ECard } from "./encoded";
import { MDCard, getCardData } from "./mtgdesign";

function capitalize(str: string): string {
  return str.toUpperCase().substr(0, 1) + str.substr(1);
}

interface CardInfo {
  set: string;
  total: number;
  num: number;
}

function convertCard(data: ECard, info: CardInfo): MDCard {
  const centered = false; // Center if not much text
  let power = "";
  let toughness = "";
  if (data.pt) {
    [power, toughness] = data.pt.split("/");
  }
  return {
    "card-number": `${info.num}`,
    "card-total": `${info.total}`,
    "card-set": `${info.set}`,
    language: "EN",
    "card-title": data.name,
    "mana-cost": data.cost ? data.cost : "",
    "super-type": data.supertypes
      ? data.supertypes.map(capitalize).join(" ")
      : "",
    type: capitalize(data.types[0]),
    "sub-type": data.subtypes ? data.subtypes.map(capitalize).join(" ") : "",
    "text-size": "38",
    rarity: data.rarity.toUpperCase()[0],
    power,
    toughness,
    loyalty: data.loyalty ? data.loyalty : "",
    centered,
    "rules-text": data.text.replace(/@/gi, "~"),
    "flavor-text": ""
  };
}

export function readCardFile(input): ECard[] {
  const lines = readFileSync(input)
    .toString()
    .split("\n");
  return lines
    .filter(x => x.trim().length > 0)
    .map(line => JSON.parse(line.trim()));
}

export function toURL(data: ECard, info: CardInfo): string {
  const mdcard = convertCard(data, info);
  return getCardData(mdcard);
}