var expect = require("expect.js"),
	dottie = require('../dottie');

/* If people modify the array prototype Dottie should not be affected */
Array.prototype.getByName = function(name) {
	for (var i = 0, len = this.length; i < len; i++) {
		if (typeof this[i] != "object") continue;
		if (this[i].name === name) return this[i];
	}
};

Array.prototype.getByType = function(type) {
	var newvalues = [];
	for (var i = 0, len = this.length; i < len; i++) {
		if (typeof this[i] != "object") continue;
		if (this[i].type === type) newvalues.push(this[i]);
	}
	if (newvalues.length <= 0) newvalues = undefined;
	return newvalues;
};

describe("dottie.get", function () {
	var flags = {
		memoizePath: [false, true]
	};

	var data = {
		'foo': {
			'bar': 'baz'
		},
		'zoo': 'lander',
		'false': {
			'value': false
		},
		'null': {
			'value': null
		},
		'nullvalue': null,
		'nested.dot': {
			'key': 'value'
		}
	};

	Object.keys(flags).forEach(function (flag) {
		flags[flag].forEach(function (value) {
			describe(flag+': '+value, function () {
				beforeEach(function () {
					dottie[flag] = value;
				});

				it('should return undefined if value is undefined', function () {
					expect(dottie.get(undefined, 'foo')).to.equal(undefined);
					expect(dottie.get(undefined, 'foo')).to.equal(undefined);
				});

				it("should get first-level values", function () {
					expect(dottie.get(data, 'zoo')).to.equal('lander');
					expect(dottie.get(data, 'zoo')).to.equal('lander');
				});

				it("should get nested-level values", function () {
					expect(dottie.get(data, 'foo.bar')).to.equal('baz');
				});

				it("should get nested-level values multiple times", function () {
					expect(dottie.get(data, 'foo.bar')).to.equal('baz');
					expect(dottie.get(data, 'foo.bar')).to.equal('baz');
					expect(dottie.get(data, 'foo.bar')).to.equal('baz');
					expect(dottie.get(data, 'foo.bar')).to.equal('baz');
				});

				it("should return undefined if not found", function () {
					expect(dottie.get(data, 'foo.zoo.lander')).to.equal(undefined);
				});

				it("should return false values properly", function () {
					expect(dottie.get(data, 'false.value')).to.equal(false);
				});

				it("should return the default value passed in if not found", function() {
					expect(dottie.get(data, 'foo.zoo.lander', 'novalue')).to.equal('novalue');
				});

				it("should return null of the value is null and not undefined", function() {
					expect(dottie.get(data, 'null.value')).to.equal(null);
				});

				it("should return undefined if accessing a child property of a null value", function () {
					expect(dottie.get(data, 'nullvalue.childProp')).to.equal(undefined);
					expect(dottie.get(data, 'null.value.childProp')).to.equal(undefined);
				});

				it("should return undefined if accessing a child property of a string value", function () {
					expect(dottie.get(data, 'foo.bar.baz.yapa')).to.equal(undefined);
				});

				it('should get nested values with keys that have dots', function () {
					expect(dottie.get(data, ['nested.dot', 'key'])).to.equal('value');
				});
			});
		});
	});
});
