import TKUnit = require("../../TKUnit");
import helper = require("../helper");
import buttonModule = require("ui/button");
import stackModule = require("ui/layouts/stack-layout");
import page = require("ui/page");
import color = require("color");
import observable = require("data/observable");

var testBtn: buttonModule.Button;
var testPage: page.Page;

export function setUpModule() {
    var pageFactory = function () {
        testPage = new page.Page();
        testBtn = new buttonModule.Button();
        testBtn.text = "test";
        testBtn.id = "testBtn";
        testPage.content = testBtn;
        return testPage;
    };
    helper.navigate(pageFactory);
}

export function tearDownModule() {
    helper.goBack();
    delete testBtn;
    delete testPage;
}

export function tearDown() {
    testPage.css = "";
}

export function test_CSS_properties_are_applied_to_Style() {
    test_property_from_CSS_is_applied_to_style("color", "color", new color.Color("#FF0000"), "#FF0000");
}

export function test_setting_backgroundColor_property_from_CSS_is_applied_to_Style() {
    test_property_from_CSS_is_applied_to_style("backgroundColor", "background-color", new color.Color("#FF0000"), "#FF0000");
}

export function test_setting_fontSize_property_from_CSS_is_applied_to_Style() {
    test_property_from_CSS_is_applied_to_style("fontSize", "font-size", 32);
}

export function test_setting_textAlignment_property_from_CSS_is_applied_to_Style() {
    test_property_from_CSS_is_applied_to_style("textAlignment", "text-align", "center");
}

export function test_setting_width_property_from_CSS_is_applied_to_Style() {

    test_property_from_CSS_is_applied_to_style("width", "width", 200);
}

export function test_setting_height_property_from_CSS_is_applied_to_Style() {
    test_property_from_CSS_is_applied_to_style("height", "height", 200);
}

export function test_setting_minWidth_property_from_CSS_is_applied_to_Style() {
    test_property_from_CSS_is_applied_to_style("minWidth", "min-width", 200);
}

export function test_setting_minHeight_property_from_CSS_is_applied_to_Style() {
    test_property_from_CSS_is_applied_to_style("minHeight", "min-height", 200);
}

export function test_setting_verticalAlignment_property_from_CSS_is_applied_to_Style() {

    test_property_from_CSS_is_applied_to_style("verticalAlignment", "vertical-align", "bottom");
}

export function test_setting_horizontalAlignment_property_from_CSS_is_applied_to_Style() {
    test_property_from_CSS_is_applied_to_style("horizontalAlignment", "horizontal-align", "right");
}

export function test_setting_visibility_property_from_CSS_is_applied_to_Style() {
    test_property_from_CSS_is_applied_to_style("visibility", "visibility", "collapsed");
}

export function test_setting_opacity_property_from_CSS_is_applied_to_Style() {
    test_property_from_CSS_is_applied_to_style("opacity", "opacity", 0.5);
}

function test_property_from_CSS_is_applied_to_style(propName: string, cssName: string, value: any, cssValue?: string) {
    if (!cssValue) {
        cssValue = value + "";
    }

    testPage.css = "#testBtn { " + cssName + ": " + cssValue + " }";

    TKUnit.assertEqual(testBtn.style[propName], value, "Setting property " + propName + " with CSS name " + cssName);

    testPage.css = "";
}

export function test_width_property_is_synced_in_style_and_view() {
    test_property_is_synced_in_style_and_view("width", 200);
}

export function test_height_property_is_synced_in_style_and_view() {
    test_property_is_synced_in_style_and_view("height", 200);
}

export function test_minWidth_property_is_synced_in_style_and_view() {
    test_property_is_synced_in_style_and_view("minWidth", 200);
}

export function test_minHeight_property_is_synced_in_style_and_view() {
    test_property_is_synced_in_style_and_view("minHeight", 200);
}

export function test_verticalAlignment_property_is_synced_in_style_and_view() {
    test_property_is_synced_in_style_and_view("verticalAlignment", "bottom");
}

export function test_horizontalAlignment_property_is_synced_in_style_and_view() {
    test_property_is_synced_in_style_and_view("horizontalAlignment", "right");
}

export function test_marginLeft_property_is_synced_in_style_and_view() {
    test_property_is_synced_in_style_and_view("marginLeft", 10);
}

export function test_marginTop_property_is_synced_in_style_and_view() {
    test_property_is_synced_in_style_and_view("marginTop", 10);
}

export function test_marginBottom_property_is_synced_in_style_and_view() {
    test_property_is_synced_in_style_and_view("marginBottom", 10);
}

export function test_marginRight_property_is_synced_in_style_and_view() {
    test_property_is_synced_in_style_and_view("marginRight", 10);
}

export function test_paddingLeft_property_is_synced_in_style_and_view() {
    test_property_is_synced_in_style_and_layout_view("paddingLeft", 10);
}

export function test_paddingTop_property_is_synced_in_style_and_view() {
    test_property_is_synced_in_style_and_layout_view("paddingTop", 10);
}

export function test_paddingBottom_property_is_synced_in_style_and_view() {
    test_property_is_synced_in_style_and_layout_view("paddingBottom", 10);
}

export function test_paddingRight_property_is_synced_in_style_and_view() {
    test_property_is_synced_in_style_and_layout_view("paddingRight", 10);
}

export function test_visibility_property_is_synced_in_style_and_view() {
    test_property_is_synced_in_style_and_view("visibility", "collapsed");
}

function test_property_is_synced_in_style_and_view(propName: string, value: any) {
    var testView = new buttonModule.Button();
    testView[propName] = value;
    TKUnit.assertEqual(testView.style[propName], value, "Setting view property " + propName + " does not set style property.");

    var testView2 = new buttonModule.Button();
    testView2[propName] = value;
    TKUnit.assertEqual(testView2.style[propName], value, "Setting style property " + propName + " does not set view property.");
}

function test_property_is_synced_in_style_and_layout_view(propName: string, value: any) {
    var testView = new stackModule.StackLayout();
    testView[propName] = value;
    TKUnit.assertEqual(testView.style[propName], value, "Setting view property " + propName + " does not set style property.");

    var testView2 = new stackModule.StackLayout();
    testView2[propName] = value;
    TKUnit.assertEqual(testView2.style[propName], value, "Setting style property " + propName + " does not set view property.");
}

export function test_setting_same_color_does_not_trigger_property_change() {
    var testView = new buttonModule.Button();
    testView.style.color = new color.Color("#FF0000");

    var changed = false;
    testView.style.on(observable.Observable.propertyChangeEvent, (data) => {
        changed = true;
    });

    testView.style.color = new color.Color("#FF0000");
    TKUnit.assert(!changed, "Property changed triggered.");
}

export function test_setting_different_color_triggers_property_change() {
    var testView = new buttonModule.Button();
    testView.style.color = new color.Color("#FF0000");

    var changed = false;
    testView.style.on(observable.Observable.propertyChangeEvent, (data) => {
        changed = true;
    });

    testView.style.color = new color.Color("#00FF00");
    TKUnit.assert(changed, "Property changed not triggered.");
}

export function test_setting_same_backgroundColor_does_not_trigger_property_change() {
    var testView = new buttonModule.Button();
    testView.style.backgroundColor = new color.Color("#FF0000");

    var changed = false;
    testView.style.on(observable.Observable.propertyChangeEvent, (data) => {
        changed = true;
    });

    testView.style.backgroundColor = new color.Color("#FF0000");
    TKUnit.assert(!changed, "Property changed triggered.");
}

export function test_setting_different_backgroundColor_triggers_property_change() {
    var testView = new buttonModule.Button();
    testView.style.backgroundColor = new color.Color("#FF0000");

    var changed = false;
    testView.style.on(observable.Observable.propertyChangeEvent, (data) => {
        changed = true;
    });

    testView.style.backgroundColor = new color.Color("#00FF00");
    TKUnit.assert(changed, "Property changed not triggered.");
}

export function test_setting_margin_shorthand_property_sets_all_margins() {
    test_margin_shorthand_property("10", 10, 10, 10, 10);
    test_margin_shorthand_property("10 20", 10, 20, 10, 20);
    test_margin_shorthand_property("10 20 30 40", 10, 20, 30, 40);
}

function test_margin_shorthand_property(short: string, top:number, right:number, bottom:number, left:number) {
    var testView = new buttonModule.Button();
    testView.style.margin = short;

    TKUnit.assertEqual(testView.style.marginTop, top, "top");
    TKUnit.assertEqual(testView.style.marginRight, right, "right");
    TKUnit.assertEqual(testView.style.marginBottom, bottom, "bottom");
    TKUnit.assertEqual(testView.style.marginLeft, left, "left");
}

export function test_setting_padding_shorthand_property_sets_all_paddings() {
    test_padding_shorthand_property("10", 10, 10, 10, 10);
    test_padding_shorthand_property("10 20", 10, 20, 10, 20);
    test_padding_shorthand_property("10 20 30 40", 10, 20, 30, 40);
}

function test_padding_shorthand_property(short: string, top: number, right: number, bottom: number, left: number) {
    var testView = new buttonModule.Button();
    testView.style.padding = short;

    TKUnit.assertEqual(testView.style.paddingTop, top, "top");
    TKUnit.assertEqual(testView.style.paddingRight, right, "right");
    TKUnit.assertEqual(testView.style.paddingBottom, bottom, "bottom");
    TKUnit.assertEqual(testView.style.paddingLeft, left, "left");
}