var gulp = require("gulp"),
    tsc = require("gulp-typescript"),
    concat = require("gulp-concat"),
    sourcemaps = require("gulp-sourcemaps"),
    mainBowerFiles = require("gulp-main-bower-files"),
    filter = require("gulp-filter"),
    templateCache = require("gulp-angular-templatecache"),
    flatten = require("gulp-flatten");

var buildConfig = {
    usercode: {
        search: "app/**/*.ts",
        distFile: "app.js",
        distFolder: "dist"
    },
    userstyle: {
        search: "app/**/*.css",
        distFile: "app.css",
        distFolder: "dist"
    },
    usertemplates: {
        search: "app/**/*.html",
        distFile: "app.css",
        distFolder: "dist"
    },
    vendorcode: {
        distFile: "vendor.js",
        distFolder: "dist"
    },
    vendorstyle: {
        distFile: "vendor.css",
        distFolder: "dist"
    },
    vendorfont: {
        distFolder: "fonts"
    }
};

var tscProject = tsc.createProject("tsconfig.json");

gulp.task("default", [
    "usercode",
    "userstyle",
    "usertemplates",
    "vendorcode",
    "vendorstyle",
    "vendorfont"
], function () {
    gulp.watch(["app/**/*.ts"], ["usercode"]);
    gulp.watch(["app/**/*.css"], ["userstyle"]);
    gulp.watch(["app/**/*.html"], ["usertemplates"]);

    gulp.watch(["bower_components/**/*.js"], ["vendorcode"]);
    gulp.watch(["bower_components/**/*.css"], ["vendorstyle"]);
    gulp.watch(["bower_components/**/*.woff2"], ["vendorfont"]);
});

gulp.task("build", ["default"]);

gulp.task("usercode", function () {
    return gulp
        .src(buildConfig.usercode.search)
        .pipe(tscProject())
        .pipe(sourcemaps.init())
        .pipe(concat(buildConfig.usercode.distFile))
        .pipe(sourcemaps.write("."))
        .pipe(gulp.dest(buildConfig.usercode.distFolder));
});

gulp.task("userstyle", function () {
    return gulp
        .src(buildConfig.userstyle.search)
        .pipe(concat(buildConfig.userstyle.distFile))
        .pipe(gulp.dest(buildConfig.userstyle.distFolder));
});

gulp.task("usertemplates", function () {
    return gulp
        .src(buildConfig.usertemplates.search)
        .pipe(templateCache({
            module: "templates",
            standalone: true,
            transformUrl: function (url) {
                return url
                    .replace(/^.*[\/]/, "")
                    .replace(/.[^/.]+$/, "");
            }
        }))
        .pipe(gulp.dest(buildConfig.usertemplates.distFolder));
});

gulp.task("vendorcode", function () {
    return gulp
        .src("bower.json")
        .pipe(mainBowerFiles())
        .pipe(sourcemaps.init())
        .pipe(filter("**/*.js"))
        .pipe(concat(buildConfig.vendorcode.distFile))
        .pipe(sourcemaps.write("."))
        .pipe(gulp.dest(buildConfig.vendorcode.distFolder));
});

gulp.task("vendorstyle", function () {
    return gulp
        .src("bower.json")
        .pipe(mainBowerFiles())
        .pipe(filter("**/*.css"))
        .pipe(concat(buildConfig.vendorstyle.distFile))
        .pipe(gulp.dest(buildConfig.vendorstyle.distFolder));
});

gulp.task("vendorfont", function () {
    return gulp
        .src("bower.json", { base: "./" })
        .pipe(mainBowerFiles())
        .pipe(filter("**/*.{ttf,woff,eof,svg}"))
        .pipe(flatten({
            includeParents: -1
        }))
        .pipe(gulp.dest(buildConfig.vendorfont.distFolder));
});