import * as TKUnit from "../../tk-unit";
import * as helper from "../../ui-helper";
import * as viewModule from "@nativescript/core/ui/core/view";
import * as pagesModule from "@nativescript/core/ui/page";
import * as textViewTestsNative from "./text-view-tests-native";
import * as colorModule from "@nativescript/core/color";
import * as enums from "@nativescript/core/ui/enums";
import * as platform from "@nativescript/core/platform";

// >> require-textmodules
import * as textViewModule from "@nativescript/core/ui/text-view";
// << require-textmodules

// Other frequently used modules when working with buttons include:
import * as bindable from "@nativescript/core/ui/core/bindable";
// >> require-observable-textview
import * as observable from "@nativescript/core/data/observable";
// << require-observable-textview

// >> text-view-xml
// <Page loaded="pageLoaded">
//  <StackLayout orientation="vertical">
//    {%raw%}<TextView text="{{ someProperty }}" />
//    <TextView text="{{ someProperty }}" />{%endraw%}
//  </StackLayout>
// </Page>
// << text-view-xml
// >> observable-declare
export function pageLoaded(args) {
    let page = args.object;
    let obj = new observable.Observable();
    obj.set("someProperty", "Please change this text!");
    page.bindingContext = obj;
}
exports.pageLoaded = pageLoaded;
// << observable-declare

export function test_recycling() {
    helper.nativeView_recycling_test(_createTextViewFunc);
}

var _createTextViewFunc = function (): textViewModule.TextView {
    // >> text-view-create
    var textView = new textViewModule.TextView();
    // << text-view-create
    textView.text = "textView";

    return textView;
};

export var testSetText = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var textView = <textViewModule.TextView>views[0];

        // >> set-text-value
        textView.text = "Hello, world!";
        // << set-text-value

        var expectedValue = "Hello, world!";
        var actualValue = textViewTestsNative.getNativeText(textView);
        TKUnit.assert(actualValue === expectedValue, "Actual: " + actualValue + "; Expected: " + expectedValue);
    });
};

export var testSetTextNull = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var textView = <textViewModule.TextView>views[0];

        textView.text = null;

        var expectedValue = "";
        var actualValue = textViewTestsNative.getNativeText(textView);
        TKUnit.assert(actualValue === expectedValue, "Actual: " + actualValue + "; Expected: " + expectedValue);
    });
};

export var testSetTextUndefined = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var textView = <textViewModule.TextView>views[0];

        textView.text = undefined;

        var expectedValue = "";
        var actualValue = textViewTestsNative.getNativeText(textView);
        TKUnit.assert(actualValue === expectedValue, "Actual: " + actualValue + "; Expected: " + expectedValue);
    });
};

// Supported for ios only.
if (platform.device.os === platform.platformNames.ios) {
    exports.test_set_color = function () {
        helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
            var textView = <textViewModule.TextView>views[0];
            textView.color = new colorModule.Color("red");
            TKUnit.assertEqual(textView.color.ios.CGColor, textView.ios.textColor.CGColor, "textView.color");
        });
    };
}

export var testBindTextDirectlyToModel = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var textView = <textViewModule.TextView>views[0];

        // >> binding-text-property-textview
        var model = new observable.Observable();
        model.set("username", "john");
        var options: bindable.BindingOptions = {
            sourceProperty: "username",
            targetProperty: "text"
        };
        textView.bind(options, model);
        // textView.text is now "john"
        // >> (hide)
        TKUnit.assert(textView.text === "john", "Actual: " + textView.text + "; Expected: " + "john");
        TKUnit.assert(textViewTestsNative.getNativeText(textView) === "john", "Actual: " + textViewTestsNative.getNativeText(textView) + "; Expected: " + "john");
        // << (hide)
        model.set("username", "mary");
        // textView.text is now "mary"
        // >> (hide)
        TKUnit.assert(textView.text === "mary", "Actual: " + textView.text + "; Expected: " + "mary");
        TKUnit.assert(textViewTestsNative.getNativeText(textView) === "mary", "Actual: " + textViewTestsNative.getNativeText(textView) + "; Expected: " + "mary");
        // << (hide)
        // << binding-text-property-textview
    });
};

export var testBindTextToBindingContext = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var textView = <textViewModule.TextView>views[0];
        var page = <pagesModule.Page>views[1];

        var model = new observable.Observable();
        model.set("username", "john");
        page.bindingContext = model;

        var options: bindable.BindingOptions = {
            sourceProperty: "username",
            targetProperty: "text"
        };

        textView.bind(options);
        TKUnit.assert(textView.text === "john", "Actual: " + textView.text + "; Expected: " + "john");
        TKUnit.assert(textViewTestsNative.getNativeText(textView) === "john", "Actual: " + textViewTestsNative.getNativeText(textView) + "; Expected: " + "john");

        model.set("username", "mary");
        TKUnit.assert(textView.text === "mary", "Actual: " + textView.text + "; Expected: " + "mary");
        TKUnit.assert(textViewTestsNative.getNativeText(textView) === "mary", "Actual: " + textViewTestsNative.getNativeText(textView) + "; Expected: " + "mary");
    });
};

export var testTextIsUpdatedWhenUserTypes = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var textView = <textViewModule.TextView>views[0];
        textView.updateTextTrigger = "focusLost";

        var expectedValue = "Hello, world!";
        textViewTestsNative.typeTextNatively(textView, expectedValue);

        var actualValue = textView.text;
        TKUnit.assert(actualValue === expectedValue, "Actual: " + actualValue + "; Expected: " + expectedValue);
    });
};

export var testSetHint = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var textView = <textViewModule.TextView>views[0];
        textView.text = "";

        // >> set-textview-hint
        textView.hint = "type your username here";
        // << set-textview-hint

        var expectedValue = "type your username here";
        var actualValue = textViewTestsNative.getNativeHint(textView);
        TKUnit.assert(actualValue === expectedValue, "Actual: " + actualValue + "; Expected: " + expectedValue);
    });
};

export var testBindHintDirectlyToModel = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var textView = <textViewModule.TextView>views[0];
        textView.text = "";

        // >> binding-hint-property-textview
        var model = new observable.Observable();
        model.set("hint", "type your username here");
        var options: bindable.BindingOptions = {
            sourceProperty: "hint",
            targetProperty: "hint"
        };
        textView.bind(options, model);
        // TextView.hint is now "type your username here"
        // >> (hide)
        TKUnit.assert(textView.hint === "type your username here", "Actual: " + textView.hint + "; Expected: " + "type your username here");
        TKUnit.assert(textViewTestsNative.getNativeHint(textView) === "type your username here", "Actual: " + textViewTestsNative.getNativeHint(textView) + "; Expected: " + "type your username here");
        // << (hide)
        model.set("hint", "type your password here");
        // TextView.hint is now "type your password here"
        // >> (hide)
        TKUnit.assert(textView.hint === "type your password here", "Actual: " + textView.hint + "; Expected: " + "type your password here");
        TKUnit.assert(textViewTestsNative.getNativeHint(textView) === "type your password here", "Actual: " + textViewTestsNative.getNativeHint(textView) + "; Expected: " + "type your password here");
        // << (hide)
        // << binding-hint-property-textview
    });
};

export var testBindHintToBindingConext = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var textView = <textViewModule.TextView>views[0];
        textView.text = "";
        var page = <pagesModule.Page>views[1];

        var model = new observable.Observable();
        model.set("hint", "type your username here");
        page.bindingContext = model;

        var options: bindable.BindingOptions = {
            sourceProperty: "hint",
            targetProperty: "hint"
        };

        textView.bind(options);
        TKUnit.assert(textView.hint === "type your username here", "Actual: " + textView.hint + "; Expected: " + "type your username here");
        TKUnit.assert(textViewTestsNative.getNativeHint(textView) === "type your username here", "Actual: " + textViewTestsNative.getNativeHint(textView) + "; Expected: " + "type your username here");

        model.set("hint", "type your password here");
        TKUnit.assert(textView.hint === "type your password here", "Actual: " + textView.hint + "; Expected: " + "type your password here");
        TKUnit.assert(textViewTestsNative.getNativeHint(textView) === "type your password here", "Actual: " + textViewTestsNative.getNativeHint(textView) + "; Expected: " + "type your password here");
    });
};

export var testHintPlusTextiOS = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var textView = <textViewModule.TextView>views[0];
        if (!textView.ios) {
            return;
        }

        var expectedValue;
        var actualValue;

        textView.hint = "hint";
        textView.text = "text";

        expectedValue = "text";
        actualValue = textViewTestsNative.getNativeText(textView);
        TKUnit.assert(actualValue === expectedValue, "Actual: " + actualValue + "; Expected: " + expectedValue);

        textView.text = "";
        expectedValue = "hint";
        actualValue = textViewTestsNative.getNativeText(textView);
        TKUnit.assert(actualValue === expectedValue, "Actual: " + actualValue + "; Expected: " + expectedValue);
    });
};

export var testHintColoriOS = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var textView = <textViewModule.TextView>views[0];
        if (!textView.ios) {
            return;
        }

        textView.text = "";
        textView.color = new colorModule.Color("red");
        textView.hint = "hint";

        var expectedValue;
        var expectedNormalizedValue;
        var actualValue;

        actualValue = textViewTestsNative.getNativeColor(textView).hex;

        TKUnit.assertEqual(actualValue, "#38FF0000", "Expected hint color to be a subtle transparent red: #38FF0000");

        textView.text = "text";

        expectedValue = "#FFFF0000"; // red
        expectedNormalizedValue = "#FF0000";
        actualValue = textViewTestsNative.getNativeColor(textView).hex;
        TKUnit.assert(actualValue === expectedNormalizedValue, "Actual: " + actualValue + "; Expected: " + expectedNormalizedValue);
    });
};

export var testSetEditable = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var textView = <textViewModule.TextView>views[0];

        // >> setting-editable-property
        textView.editable = false;
        // << setting-editable-property

        var expectedValue = false;
        var actualValue = textViewTestsNative.getNativeEditable(textView);
        TKUnit.assert(actualValue === expectedValue, "Actual: " + actualValue + "; Expected: " + expectedValue);
    });
};

export var testBindEditableDirectlyToModel = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var textView = <textViewModule.TextView>views[0];

        // >> binding-editable-property
        var model = new observable.Observable();
        model.set("editable", false);
        var options: bindable.BindingOptions = {
            sourceProperty: "editable",
            targetProperty: "editable"
        };
        textView.bind(options, model);
        // textView.editable is now false
        // >> (hide)
        TKUnit.assertFalse(textView.editable, ".ediable property should be false");
        TKUnit.assertFalse(textViewTestsNative.getNativeEditable(textView), "native Editable should be false");
        // << (hide)
        model.set("editable", true);
        // textView.editable is now true
        // >> (hide)
        TKUnit.assertTrue(textView.editable, ".ediable property should be true");
        TKUnit.assertTrue(textViewTestsNative.getNativeEditable(textView), "native Editable should be true");
        // << (hide)
        // << binding-editable-property
    });
};

export var testBindEditableToBindingConext = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var textView = <textViewModule.TextView>views[0];
        var page = <pagesModule.Page>views[1];

        var model = new observable.Observable();
        model.set("editable", false);
        page.bindingContext = model;

        var options: bindable.BindingOptions = {
            sourceProperty: "editable",
            targetProperty: "editable"
        };

        textView.bind(options);
        TKUnit.assertFalse(textView.editable, ".ediable property should be false");
        TKUnit.assertFalse(textViewTestsNative.getNativeEditable(textView), "native Editable should be false");

        model.set("editable", true);
        TKUnit.assertTrue(textView.editable, ".ediable property should be true");
        TKUnit.assertTrue(textViewTestsNative.getNativeEditable(textView), "native Editable should be true");
    });
};

var expectedFontSize = 42;
export var testLocalFontSizeFromCss = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var textView = <textViewModule.TextView>views[0];
        var page = <pagesModule.Page>views[1];

        page.css = "textview { font-size: " + expectedFontSize + "; }";
        var actualResult = textView.style.fontSize;
        TKUnit.assert(actualResult === expectedFontSize, "Actual: " + actualResult + "; Expected: " + expectedFontSize);
    });
};

export var testNativeFontSizeFromCss = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var textView = <textViewModule.TextView>views[0];
        var page = <pagesModule.Page>views[1];
        page.css = "textview { font-size: " + expectedFontSize + "; }";

        var actualResult = textViewTestsNative.getNativeFontSize(textView);
        helper.assertAreClose(actualResult, expectedFontSize, "FontSizeFromCss");
    });
};

export var testNativeFontSizeFromLocal = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var textView = <textViewModule.TextView>views[0];
        textView.style.fontSize = expectedFontSize;

        var actualResult = textViewTestsNative.getNativeFontSize(textView);
        helper.assertAreClose(actualResult, expectedFontSize, "FontSizeFromLocal");
    });
};

var expectedLineHeight = 10;
export var testLocalLineHeightFromCss = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var textView = <textViewModule.TextView>views[0];
        var page = <pagesModule.Page>views[1];

        page.css = "textview { line-height: " + expectedLineHeight + "; }";
        var actualResult = textView.style.lineHeight;
        TKUnit.assert(actualResult === expectedLineHeight, "Actual: " + actualResult + "; Expected: " + expectedLineHeight);
    });
};

var expectedColorHex = "#FFFF0000";
var expectedNormalizedColorHex = "#FF0000";
export var testLocalColorFromCss = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var textView = <textViewModule.TextView>views[0];
        var page = <pagesModule.Page>views[1];
        page.css = "textview { color: " + expectedColorHex + "; }";

        var actualResult = textView.style.color.hex;
        TKUnit.assert(actualResult === expectedNormalizedColorHex, "Actual: " + actualResult + "; Expected: " + expectedNormalizedColorHex);
    });
};

export var testNativeColorFromCss = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var textView = <textViewModule.TextView>views[0];
        var page = <pagesModule.Page>views[1];
        page.css = "textview { color: " + expectedColorHex + "; }";

        var actualResult = textViewTestsNative.getNativeColor(textView).hex;
        TKUnit.assert(actualResult === expectedNormalizedColorHex, "Actual: " + actualResult + "; Expected: " + expectedNormalizedColorHex);
    });
};

export var testNativeColorFromLocal = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var textView = <textViewModule.TextView>views[0];
        textView.style.color = new colorModule.Color(expectedColorHex);

        var actualResult = textViewTestsNative.getNativeColor(textView).hex;
        TKUnit.assert(actualResult === expectedNormalizedColorHex, "Actual: " + actualResult + "; Expected: " + expectedNormalizedColorHex);
    });
};

var expectedBackgroundColorHex = "#FF00FF00";
var expectedNormalizedBackgroundColorHex = "#00FF00";
export var testLocalBackgroundColorFromCss = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var textView = <textViewModule.TextView>views[0];
        var page = <pagesModule.Page>views[1];
        page.css = "textview { background-color: " + expectedBackgroundColorHex + "; }";

        var actualResult = textView.style.backgroundColor.hex;
        TKUnit.assert(actualResult === expectedNormalizedBackgroundColorHex, "Actual: " + actualResult + "; Expected: " + expectedNormalizedBackgroundColorHex);
    });
};

export var testNativeBackgroundColorFromCss = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var textView = <textViewModule.TextView>views[0];
        var page = <pagesModule.Page>views[1];
        page.css = "textview { background-color: " + expectedBackgroundColorHex + "; }";

        helper.waitUntilLayoutReady(textView);

        var actualResult = textViewTestsNative.getNativeBackgroundColor(textView).hex;
        TKUnit.assert(actualResult === expectedNormalizedBackgroundColorHex, "Actual: " + actualResult + "; Expected: " + expectedNormalizedBackgroundColorHex);
    });
};

export var testNativeBackgroundColorFromLocal = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var textView = <textViewModule.TextView>views[0];
        textView.style.backgroundColor = new colorModule.Color(expectedBackgroundColorHex);

        helper.waitUntilLayoutReady(textView);

        var actualResult = textViewTestsNative.getNativeBackgroundColor(textView).hex;
        TKUnit.assert(actualResult === expectedNormalizedBackgroundColorHex, "Actual: " + actualResult + "; Expected: " + expectedNormalizedBackgroundColorHex);
    });
};

var expectedTextAlignment: "right" = "right";
export var testLocalTextAlignmentFromCss = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var view = <textViewModule.TextView>views[0];
        var page = <pagesModule.Page>views[1];
        page.css = "textview { text-align: " + expectedTextAlignment + "; }";

        var actualResult = view.style.textAlignment;
        TKUnit.assert(actualResult === expectedTextAlignment, "Actual: " + actualResult + "; Expected: " + expectedTextAlignment);
    });
};

export var testNativeTextAlignmentFromCss = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var view = <textViewModule.TextView>views[0];
        var page = <pagesModule.Page>views[1];
        page.css = "textview { text-align: " + expectedTextAlignment + "; }";

        var actualResult = textViewTestsNative.getNativeTextAlignment(view);
        TKUnit.assert(actualResult === expectedTextAlignment, "Actual: " + actualResult + "; Expected: " + expectedTextAlignment);
    });
};

export var testNativeTextAlignmentFromLocal = function () {
    helper.buildUIAndRunTest(_createTextViewFunc(), function (views: Array<viewModule.View>) {
        var view = <textViewModule.TextView>views[0];
        view.style.textAlignment = expectedTextAlignment;

        var actualResult = textViewTestsNative.getNativeTextAlignment(view);
        TKUnit.assert(actualResult === expectedTextAlignment, "Actual: " + actualResult + "; Expected: " + expectedTextAlignment);
    });
};

export var testMemoryLeak = function (done) {
    helper.buildUIWithWeakRefAndInteract(_createTextViewFunc, function (textView) {
        textViewTestsNative.typeTextNatively(textView, "Hello, world!");
    }, done);
};

export function test_watch_listerer_is_removed_at_onDetach() {
    if (platform.isAndroid) {
        helper.buildUIAndRunTest(_createTextViewFunc(), (views: Array<viewModule.View>) => {
            let tv = <textViewModule.TextView>views[0];
            let page = <pagesModule.Page>tv.page;
            let editText = tv.android;
            editText.setText("String");
            page.content = null;
            editText.setText("FAIL");
        });
    }
}

export function test_IntegrationTest_Transform_Decoration_Spacing_WithoutFormattedText_DoesNotCrash() {
    let view = new textViewModule.TextView();
    helper.buildUIAndRunTest(view, function (views: Array<viewModule.View>) {
        view.text = "NormalText";
        view.setInlineStyle("text-transform: uppercase; text-decoration: underline; letter-spacing: 1;");

        TKUnit.assertEqual(view.style.textTransform, enums.TextTransform.uppercase, "TextTransform");
        TKUnit.assertEqual(view.style.textDecoration, enums.TextDecoration.underline, "TextDecoration");
        TKUnit.assertEqual(view.style.letterSpacing, 1, "LetterSpacing");
    });
}

export function test_IntegrationTest_Transform_Decoration_Spacing_WithFormattedText_DoesNotCrash() {
    let view = new textViewModule.TextView();
    let formattedString = helper._generateFormattedString();
    helper.buildUIAndRunTest(view, function (views: Array<viewModule.View>) {
        view.formattedText = formattedString;
        view.setInlineStyle("text-transform: uppercase; text-decoration: underline; letter-spacing: 1;");

        TKUnit.assertEqual(view.style.textTransform, enums.TextTransform.uppercase, "TextTransform");
        TKUnit.assertEqual(view.style.textDecoration, enums.TextDecoration.underline, "TextDecoration");
        TKUnit.assertEqual(view.style.letterSpacing, 1, "LetterSpacing");
    });
}