#!/usr/bin/env node

const gjv = require('../'),
  fs = require('fs'),
  filenames  = process.argv.splice(2);

if (filenames.length) {
  filenames.forEach(filename => {
    let file;
    try {
      file = fs.readFileSync(filename);
    } catch(e) {
      console.log('failed to open file: ' + filename);
      return;
    }
    validateGeoJson(file);
  });
} else {
  let incomingJson = '';
  process.stdin.on('readable', () => {
    let chunk = process.stdin.read();
    if (chunk !== null) {
      incomingJson += chunk;
    }
  });

  process.stdin.on('end', function () {
    validateGeoJson(incomingJson);
  });
}

function validateGeoJson(rawJson) {
  const json = JSON.parse(rawJson);
  const t = gjv.valid(json, true);

  if (t.length) {
    t.forEach(err => {  
      console.log(err);
    });
  } else {
    console.log('valid!');
  }
}