/// <binding ProjectOpened='watch' />
// ReSharper disable VariableCanBeMadeLet

var gulp = require("gulp"),
    concat = require("gulp-concat"),
    del = require("del"),
    rename = require("gulp-rename"),
    runSequence = require("run-sequence"),
    sourcemaps = require("gulp-sourcemaps"),
    uglify = require("gulp-uglify"),
    rjs = require("gulp-requirejs-optimize"),
    watch = require("gulp-watch"),
    install = require("gulp-install"),
    ts = require("gulp-typescript"),
    plumber = require("gulp-plumber"),
    jade = require("gulp-jade"),
    notify = require("gulp-notify");

const paths = (function() {
    const webrootBase = "wwwroot";
    const devrootBase = "App_Scripts";

    const paths = {
        webroot: {
            base: webrootBase,
            vendor: webrootBase + "/vendor",
            app: webrootBase + "/app"
        },
        bundles: {},
        devroot: {
            base: devrootBase,
            app: devrootBase + "/app",
            static: devrootBase + "/**/*.{html,css,js,jpg,png,bmp,svg,eot,svg,ttf,woff,woff2,otf,gif,ico,pdf}",
            ts: [
                devrootBase + "/**/*.ts",
                "typings/browser.d.ts",
                "typings/browser/**/*.d.ts",
                "Scripts/typings/**/*.d.ts"
            ],
            js: devrootBase + "/**/*.js",
            scss: devrootBase + "/**/*.scss",
            jade: [devrootBase + "/**/*.jade"],
            vendor: devrootBase + "/vendor"
        },
        npm: "node_modules"
    };

    const bundles = {
        "/knockout/knockout.bundle.js": "/knockout/*.js"
    };

    for (var key in bundles) {
        if (bundles.hasOwnProperty(key)) {
            paths.bundles[key] = devrootBase + bundles[key];
        }
    }

    return paths;
})();

gulp.task("restore-packages", function(cb) {
    gulp.src(["package.json"]).pipe(install());

    const lib = {
        "/knockout": "/knockout/build/output/knockout-latest.js",
        "/accounting": "/accounting/accounting.js",
        "/jquery": "/jquery/dist/jquery.js",
        "/jquery-migrate": "/jquery-migrate/dist/jquery-migrate",
        "/jquery-ui": "/jquery-ui/jquery-ui.js",
        "/knockout-mapping": "/knockout-mapping/dist/knockout-mapping.js",
        "/knockstrap": "/knockstrap/build/knockstrap.js",
        "/requirejs": "/requirejs/require.js",
        "/requirejs-text": "/requirejs-text/text.js"
    };

    for (var p in lib) {
        if (lib.hasOwnProperty(p)) {
            gulp.src(paths.npm + lib[p]).pipe(gulp.dest(paths.webroot.vendor + p));
        }
    }

    cb();
});

gulp.task("minify", function() {
    return gulp
        .src(paths.webroot.vendor + "/**/*.js")
        .pipe(sourcemaps.init())
        .pipe(uglify())
        .pipe(sourcemaps.write("./"))
        .pipe(gulp.dest(paths.webroot.vendor));
});

gulp.task("bundle", function() {
    for (var key in paths.bundles) {
        if (paths.bundles.hasOwnProperty(key)) {
            gulp
                .src(paths.bundles[key])
                .pipe(sourcemaps.init())
                .pipe(uglify())
                .pipe(concat(key))
                .pipe(sourcemaps.write("./"))
                .pipe(gulp.dest(paths.webroot.app));
        }
    }
});

var tsProject = ts.createProject("tsconfig.json", { noExternalResolve: true });

gulp.task("scripts", function() {
    return gulp.src(paths.devroot.ts)
        .pipe(plumber({ errorHandler: notify.onError("ts: <%= error.message %>") }))
        .pipe(sourcemaps.init())
        .pipe(ts(tsProject))
        .pipe(uglify())
        .pipe(sourcemaps.write("./"))
        .pipe(gulp.dest(paths.webroot.app));
});

gulp.task("jade", function() {
    gulp.src(paths.devroot.jade)
        .pipe(plumber({ errorHandler: notify.onError("jade: <%= error.message %>") }))
        .pipe(jade({ pretty: true }))
        .pipe(gulp.dest(paths.webroot.app));
});

gulp.task("static", function() {
    gulp.src(paths.devroot.static)
        .pipe(gulp.dest(paths.webroot.app));
});

gulp.task("watch", ["scripts", "jade", "static"], function() {
    gulp.watch(paths.devroot.ts, ["scripts"]);
    gulp.watch(paths.devroot.jade, ["jade"]);
    gulp.watch(paths.devroot.static, ["static"]);
});