/* eslint-env node */

(function() {

"use strict";

//

// Imports

//

var fs = require("fs");

var gulp = require("gulp");

var eslint = require("gulp-eslint");

var uglify = require("gulp-uglify");

var mocha = require("gulp-spawn-mocha");

var Server = require("karma").Server;

var path = require("path");

var bower = require("gulp-bower");

var mergeJson = require("gulp-merge-json");

var concat = require("gulp-concat");

var debug = require("gulp-debug");

var es = require("event-stream");

//

// Constants

//

var SOURCE_FILES = [

"data/headers.js",

"data/hostnames.js",

"data/multi-headers.js",

"src/cdn-detector.js"

];

//

// Task Definitions

//

gulp.task("lint", function() {

return gulp.src(["*.js", "src/*.js", "test/*.js"])

.pipe(eslint())

.pipe(eslint.format());

});

gulp.task("lint:build", function() {

return gulp.src(["*.js", "src/*.js", "test/*.js"])

.pipe(eslint())

.pipe(eslint.format())

.pipe(eslint.format("checkstyle", fs.createWriteStream("eslint.xml")));

});

gulp.task("merge-json", function() {

return es.merge(

gulp.src("data/headers.json")

.pipe(mergeJson("headers.js", false, [], false, "var CdnDetectorHeaders"))

.pipe(gulp.dest("./data")),

gulp.src("data/hostnames.json")

.pipe(mergeJson("hostnames.js", false, false, false, "var CdnDetectorHostnames"))

.pipe(gulp.dest("./data")),

gulp.src("data/multi-headers.json")

.pipe(mergeJson("multi-headers.js", false, [], false, "var CdnDetectorMultiHeaders"))

.pipe(gulp.dest("./data"))

);

});

gulp.task("dist", ["merge-json"], function() {

return gulp.src(SOURCE_FILES)

.pipe(debug())

.pipe(concat("cdn-detector.js"))

.pipe(gulp.dest("dist"));

});

gulp.task("compress", ["merge-json"], function() {

return gulp.src(SOURCE_FILES)

.pipe(concat("cdn-detector.min.js"))

.pipe(uglify({ mangle: true }))

.pipe(gulp.dest("dist"));

});

gulp.task("mocha", function() {

return gulp.src("test/test.js",

{

read: false

})

.pipe(mocha());

});

gulp.task("mocha-tap", ["mocha"], function() {

return gulp.src(

"test/test.js",

{

read: false

})

.pipe(mocha({

reporter: "tap",

output: "./test/mocha.tap"

}));

});

gulp.task("bower", function() {

return bower();

});

gulp.task("karma", ["bower", "mocha", "mocha-tap", "dist", "compress"], function(done) {

new Server({

configFile: path.join(__dirname, "karma.config.js"),

singleRun: true

}, done).start();

});

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

gulp.task("test", ["mocha", "mocha-tap", "karma"]);

gulp.task("default", ["bower", "lint", "lint:build", "merge-json", "dist", "compress", "test"]);

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

}());