import * as fs from 'fs';
import * as path from 'path';
import { Parser } from './parser';
import { ensuredir } from './fs/ensuredir';
import { FileAST } from './fs/file-ast';
import { helper } from '../process-helper';

const CWD: string = process.cwd();

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

ensuredir(outDir);

let filesContent: string[] = files.map(fileName => {
  let file: string;
  let filePath: string = path.join(CWD, fileName)
  try {
    file = fs.readFileSync(filePath, 'utf-8');
  } catch (e) {
    throw new Error(e);
  }
  return file;
});

let filesStringified = filesContent.join('\n');
let parserInstance = new Parser(filesStringified);

parserInstance.parse();

if (writeDefinitions) {
  let output: string[] = [];
  parserInstance.blocks.forEach(block => {
    let filesContent: string;
    let fileAstInstance = new FileAST(block, writeDefinitions);
    let additional = parserInstance.getByBlock(block);
    additional.forEach(additional => fileAstInstance.addContent(additional));
    output.push(fileAstInstance.toString());
  });
  fs.writeFile(path.join(outDir, 'ride-components.d.ts'), output.join('\n'), error => {
    if (error) return console.trace(error);
  });
} else {
  parserInstance.blocks.forEach(block => {
    let filesContent: string;
    let fileAstInstance = new FileAST(block, writeDefinitions);
    let additional = parserInstance.getByBlock(block);

    additional.forEach(additional => fileAstInstance.addContent(additional));
    fs.writeFile(path.join(outDir, fileAstInstance.name), fileAstInstance.toString(), error => {
      console.log(`Created file ${fileAstInstance.name}`)
      if (error) return console.trace(error);
    });
  });
}