import * as fs from "fs";
import * as path from "path";

import { DNA, Genders } from "@opendnd/core";
import {
  sanitizeWizardOpts,
  saveMsg,
  standardQuestions,
} from "./common";
import Genetica, { IGeneticaOpts } from "./genetica";
import Renderer from "./renderer";
import Saver from "./saver";

const questions = require("questions"); // tslint:disable-line
const colors = require("colors/safe"); // tslint:disable-line

const rootDir = path.join(__dirname, "..");
const logo = fs.readFileSync(path.join(rootDir, "logo.txt"), { encoding: "utf-8" });

delete standardQuestions.race;

const wizardChild = (outputDir, mother = "", father = "") => {
  if (outputDir === undefined) { outputDir = "."; }

  // output welcome
  process.stdout.write(`\n${colors.blue(logo)}\n`);

  // ask a few questions
  questions.askMany(standardQuestions, (opts) => {
    const motherDNA: DNA = Saver.load(mother);
    const fatherDNA: DNA = Saver.load(father);

    // check for proper inputs
    if (motherDNA.race.uuid !== fatherDNA.race.uuid) {
      throw new Error("Cross-breeding between races is not yet supported!");
    }
    if (motherDNA.gender !== Genders.Female) {
      throw new Error("The mother is not female!");
    }
    if (fatherDNA.gender !== Genders.Male) {
      throw new Error("The father is not male!");
    }

    // add mother's race
    opts.race = motherDNA.race.uuid;

    // convert the text gender to a enum
    const genOpts: IGeneticaOpts = sanitizeWizardOpts(opts);

    const genetica = new Genetica(genOpts);
    const result: DNA = genetica.generateChild(genOpts, motherDNA, fatherDNA);

    Renderer.output(result);
    Saver.finish(outputDir, saveMsg("child"), result, result.uuid, undefined);
  });
};

export default wizardChild;