var gulp = require('gulp');
var cssnano = require('gulp-cssnano');
var htmlmin = require('gulp-htmlmin');
var uncss = require('gulp-uncss');
var concat = require('gulp-concat');

gulp.task('concat', function() {
	return gulp.src(['static/normalize.css', 'static/skeleton.css', 'static/font.css', 'static/custom.css'])
	.pipe(concat('concat.css'))
	.pipe(gulp.dest('./static/'));
});

gulp.task('uncss', function() {
	return gulp.src('static/concat.css')
		.pipe(uncss({
		html: ['public/*.html', 'public/projects/*.html', 'public/journal/*.html', 'public/journal/**/*.html', 'public/thankyou/*.html', 'public/contact/*.html', 'public/error/*.html'],
		ignore: ['.text-right', '.text-left']
		}))
		.pipe(cssnano())
		.pipe(gulp.dest('./static/gulp.css'));
});

gulp.task('minifyhtml', function() {
	gulp.src('public/*.html')
		.pipe(htmlmin({collapseWhitespace: true}))
		.pipe(gulp.dest('public/'));
	gulp.src('public/projects/*.html')
		.pipe(htmlmin({collapseWhitespace: true}))
		.pipe(gulp.dest('public/projects/'));
	gulp.src('public/error/*.html')
		.pipe(htmlmin({collapseWhitespace: true}))
		.pipe(gulp.dest('public/error/'));
	gulp.src('public/thankyou/*.html')
		.pipe(htmlmin({collapseWhitespace: true}))
		.pipe(gulp.dest('public/thankyou/'));
	gulp.src('public/contact/*.html')
		.pipe(htmlmin({collapseWhitespace: true}))
		.pipe(gulp.dest('public/contact/'));
	gulp.src('public/journal/*/*.html')
		.pipe(htmlmin({collapseWhitespace: true}))
		.pipe(gulp.dest('public/journal/'));
	return gulp.src('public/journal/*.html')
		.pipe(htmlmin({collapseWhitespace: true}))
		.pipe(gulp.dest('public/journal/'));
});