var gulp = require('gulp');
var bower = require('gulp-bower');
var help = require('gulp-task-listing');
var clean = require('gulp-clean');
var sass = require('gulp-sass');
var yaml = require('gulp-yaml');
var webserver = require('gulp-webserver');

gulp.task('help', help);

gulp.task('bower', function(){
    return bower()
        .pipe(gulp.dest('lib/'))
        .on('error', console.log);
});

gulp.task('sass', ['bower'], function(){
    var extraSassPath = ['./lib/'];
    return gulp.src('./scss/*.scss')
        .pipe(sass({includePaths: extraSassPath}).on('error', console.log))
        .pipe(gulp.dest('./css'));
});

gulp.task('clean', function(){
    return gulp.src(["lib/", "css/"], {read: false})
        .pipe(clean());
});

gulp.task('compile-results', function(){
    return gulp.src('data/*.yaml')
    .pipe(yaml({safe: true}))
    .pipe(gulp.dest('./api'));
});

gulp.task('default', ['bower', 'sass', 'compile-results']);

gulp.task('webserver', function(){
    return gulp.src('.')
    .pipe(webserver({
        livereload: false,
        directoryListing: false,
    }));
});

gulp.task('dev', ['default', 'webserver'], function(){
    gulp.watch('./scss/*.scss', ['sass']);
    return gulp.watch('./data/*.yaml', ['compile-results']);

});