import { Persistent } from '@sapphirecode/modelling';
import { PatchAction } from '../classes/PatchAction';
import { Database } from '../classes/Database';
import { Table } from '../classes/Table';
import { Column } from '../classes/Column';
import { ColumnType } from '../classes/ColumnType';

export class AddTable extends Persistent implements PatchAction {
  public get name ():string {
    return this.get ('name') as string;
  }

  public constructor (name:string) {
    super ();
    this.properties.name = 'string';

    this.set ('name', name);
  }

  public apply (db: Database):void {
    if (typeof db.get_table (this.name) !== 'undefined')
      throw new Error ('table already exists');

    const table = new Table (this.name);
    table.columns.push (new Column ('id', ColumnType.increments));

    db.tables.push (table);
  }
}