/*
 * Copyright (C) SapphireCode - All Rights Reserved
 * This file is part of Snippeteer which is released under BSD-3-Clause.
 * See file 'LICENSE' for full license details.
 * Created by Timo Hocker <timo@scode.ovh>, May 2020
 */

import path from 'path';
import { Input, Confirm } from 'enquirer';
import {
  scripts as standard_scripts,
  files as standard_files
} from '@sapphirecode/standard';
import fs from 'fs-extra';
import { Snippet } from '../../Snippet';
import { apply_template, modify_json, run_command } from '../../Helper';

import {
  eslintrc, gitignore,
  tsconfig, eslintrc_ts, eslintignore
} from './Assets';


const packages = {
  common: [ 'eslint' ],
  js:     [ '@sapphirecode/eslint-config' ],
  ts:      [
    'typescript',
    '@sapphirecode/eslint-config-ts'
  ],
  test:    [
    'nyc',
    'jasmine',
    '@types/jasmine'
  ],
  test_ts: [
    'ts-node'
  ]
};

/**
 * initialize the package.json
 *
 * @param folder - folder
 * @param use_ts - use typescript
 * @param use_tests - use tests
 */
async function init_package (
  folder: string,
  use_ts: boolean,
  use_tests: boolean
): Promise<void> {
  run_command ('yarn init -y', folder);

  const bundle = [
    ...packages.common,
    ...(use_ts ? packages.ts : packages.js),
    ...(use_tests ? packages.test : []),
    ...(use_ts && use_tests ? packages.test_ts : [])
  ];

  run_command (
    `yarn add --dev ${bundle.join (' ')}`,
    folder
  );

  await modify_json ((obj: Record<string, unknown>) => {
    const scripts: Record<string, string>
     = {
       lint:    standard_scripts.lint,
       test:    standard_scripts.test.common,
       compile: standard_scripts.compile.common
     };
    const files = [ 'LICENSE' ];

    if (use_ts) {
      scripts.compile = standard_scripts.compile.ts;
      scripts.pretest = standard_scripts.test.ts_pre;
      scripts.test = standard_scripts.test.ts;
      scripts.posttest = standard_scripts.test.ts_post;
      files.push ('/dist/');
    }
    else {
      files.push ('*.js', '*.d.ts');
    }

    if (!use_tests)
      scripts.test = standard_scripts.test.no;

    obj.scripts = scripts;
    obj.files = files;
    return obj;
  }, path.join (folder, 'package.json'));
}

export default class Node implements Snippet {
  public is_active (): boolean {
    return true;
  }

  public async start (): Promise<void> {
    const folder = await new Input (
      { message: 'project name (leave empty for current folder):' }
    )
      .run ();

    const use_ts = await new Confirm ({
      message: 'use typescript?',
      initial: false
    })
      .run ();

    const use_tests = await new Confirm ({
      message: 'use tests?',
      initial: true
    })
      .run ();

    await apply_template (eslintrc, path.join (folder, '.eslintrc.js'));
    await apply_template (gitignore, path.join (folder, '.gitignore'));
    await apply_template (
      eslintignore,
      path.join (folder, '.eslintignore')
    );
    if (use_ts) {
      await apply_template (tsconfig, path.join (folder, 'tsconfig.json'));
      await apply_template (
        eslintrc_ts,
        path.join (folder, 'lib', '.eslintrc.js')
      );
    }
    run_command ('git init', folder);

    if (use_tests) {
      await apply_template (
        standard_files.jasmine,
        path.join (folder, 'jasmine.json')
      );
      await fs.mkdirp (path.join (folder, 'test/spec'));
    }

    await init_package (folder, use_ts, use_tests);
  }
}