/*******************************
 Serve Docs
 *******************************/

const
    extend      = require('extend'),
    gulp        = require('gulp'),

    // node dependencies
    console     = require('better-console'),

    // gulp dependencies
    print       = require('gulp-print').default,

    // user config
    configDocs      = require('../config/docs'),

    // task config
    tasks       = require('../config/tasks'),
    configSetup = require('../config/project/config'),

    // shorthand
    log         = tasks.log,

    css         = require('../build/css'),
    js          = require('../build/javascript'),
    assets      = require('../build/assets')
;

module.exports = function () {
    // use a different config
    const config = extend(true, {}, configDocs);
    configSetup.addDerivedValues(config);

    console.clear();
    console.log('Watching source files for changes');

    /* --------------
       Copy Source
    --------------- */

    gulp
        .watch(['src/**/*.*'])
        .on('all', function (event, path) {
            // We don't handle deleted files yet
            if (event === 'unlink' || event === 'unlinkDir') {
                return;
            }

            return gulp.src(path, {
                base: 'src/',
            })
                .pipe(gulp.dest(config.paths.output.less))
                .pipe(print(log.created))
            ;
        })
    ;

    /* --------------
      Copy Examples
    --------------- */

    gulp
        .watch(['examples/**/*.*'])
        .on('all', function (event, path) {
            // We don't handle deleted files yet
            if (event === 'unlink' || event === 'unlinkDir') {
                return;
            }

            return gulp.src(path, {
                base: 'examples/',
            })
                .pipe(gulp.dest(config.paths.output.examples))
                .pipe(print(log.created))
            ;
        })
    ;

    /* --------------
        Watch CSS
    --------------- */

    css.watch('docs', config);

    /* --------------
        Watch JS
    --------------- */

    js.watch('docs', config);

    /* --------------
      Watch Assets
    --------------- */

    assets.watch('docs', config);
};