var gulp = require('gulp');

var sassLint = require('gulp-sass-lint');
var pump = require('pump');
var spawn  = require('child_process').spawn;

var watchConfig = require('../config.js').watchConfig;


gulp.task('lint', ['lint:styles', 'lint:python']);

gulp.task('lint:python', function(cb) {
    spawn(
        'pipenv',
        [
            'run',
            'flake8',
            '--exclude=node_modules,migrations'
        ],
        {
            stdio: 'inherit'
        }
    ).on('exit', cb);
});

gulp.task('lint:styles', function(cb) {
    pump([
        gulp.src(watchConfig.stylesGlob),
        sassLint({
            rules: {
                'declarations-before-nesting': 1,
                'indentation': [ 1, { 'size': 4 } ],
                'no-ids': 0,
                'no-vendor-prefixes': 2,
                'property-sort-order': 0
            }
        }),
        sassLint.format(),
        sassLint.failOnError()
    ], cb);
});