import { Colour } from './colour';
import { ColoursFile } from './files';
import { helper } from '../process-helper';
import { IColourMap } from './icolour-map';
import { ensuredir } from '../classnames/fs/ensuredir';
import * as path from 'path';
import * as fs from 'fs';

const CWD: string = process.cwd();

let { filesIndex, outIndex, outDir, writeDefinitions, files } = helper();

if (outIndex) ensuredir(outDir);

files.forEach(file => {
  let colours: Colour[];
  let coloursFile: string[] = [];
  let coloursMap: IColourMap = {};
  let lines: string[];
  let fileContent = fs.readFileSync(file, 'utf-8');

  lines = fileContent.split(/\n/)
    .filter(line => line.indexOf('//'))
    .filter(line => line && line.length)

  colours = lines.map(line => new Colour(line));
  colours.forEach(colour => coloursMap[colour.groupname] = []);
  colours.forEach(colour => coloursMap[colour.groupname].push(colour));

  Object.keys(coloursMap).forEach(colourName => {
    let colourFile: ColoursFile = new ColoursFile(colourName, outDir, coloursMap);
    colourFile.makeOutput(writeDefinitions);
    if (!writeDefinitions) colourFile.write();
    coloursFile.push(colourFile.toString());
  });

  if (writeDefinitions) {
    fs.writeFileSync(
      path.join(outDir, './ride-components-colours.d.ts'),
      coloursFile.join('\n')
    );
  }
});