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

import { Persistent } from '@sapphirecode/modelling';
import { TypeValidation } from './Types/TypeValidation';
import { PathType } from './Types/PathType';
import { OptionType } from './OptionType';
import { OptionSource } from './Sources/OptionSource';
import { EnvSource } from './Sources/EnvSource';
import { ArgSource } from './Sources/ArgSource';
import { InteractiveSource } from './Sources/InteractiveSource';
import { Option, OptionProcess } from './Option';

const types: Record<OptionType, TypeValidation> = {
  string:  new TypeValidation ('string'),
  number:  new TypeValidation ('number'),
  boolean: new TypeValidation ('boolean'),
  file:    new PathType ('file'),
  folder:  new PathType ('folder'),
  path:    new PathType ('path'),
  array:   new TypeValidation ('array')
};

interface SourceConfig {
  env: boolean;
  args: boolean;
  interactive: boolean;
}

export class InteractiveOptions extends Persistent {
  protected options: Array<OptionProcess>;
  protected quiet = false;
  protected sources: OptionSource[] = [];

  public constructor (
    options: Array<Option>,
    source_config: SourceConfig = { args: true, env: true, interactive: true }
  ) {
    super ();
    this.options = options
      .map ((v) => ({
        filled:          false,
        type_validation: types[v.type],
        ...v
      } as OptionProcess));
    for (const option of this.options) {
      if (
        typeof option.default !== 'undefined'
        && typeof option.default !== option.type_validation.string_type
      ) {
        throw new Error (
          `default does not match option type on ${option.name}`
        );
      }

      this.properties[option.name] = option.type_validation.persistent_type;
    }

    if (source_config.env)
      this.sources.push (new EnvSource);
    if (source_config.args)
      this.sources.push (new ArgSource);
    if (source_config.interactive)
      this.sources.push (new InteractiveSource);
  }

  public async parse (): Promise<Record<string, unknown>> {
    for (const src of this.sources) {
      // eslint-disable-next-line no-await-in-loop
      await src.parse (this.options);
    }
    for (const opt of this.options)
      this.set (opt.name, opt.value);

    return this.to_object ();
  }
}