#!/usr/bin/env node

var fs = require('fs'),
    path = require('path'),
    geojsonhint = require('../'),
    colors = require('colors'),
    concat = require('concat-stream'),
    argv = require('minimist')(process.argv.slice(2), { boolean: 'json' });


if (process.stdin.isTTY && !argv._[0]) {
    process.stdout.write(fs.readFileSync(__dirname + '/HELP.md'));
    process.exit(1);
}

(argv._.length ? fs.createReadStream(argv._[0]) : process.stdin).pipe(concat(hint));

function hint(input) {

    var errors = geojsonhint.hint(input.toString());

    if (!errors) {
        process.exit(0);
    }

    if (argv.json) {
        if (errors instanceof Error) {
            console.log(JSON.stringify(errors.toString(), null, 2));
        } else {
            console.log(JSON.stringify(errors, null, 2));
        }
    } else {
        if (errors instanceof Error) {
            console.log('invalid JSON');
            throw errors;
        }
        errors.forEach(function(e) {
            console.log('line %s, %s', (''+e.line), e.message.red);
        });
    }
}