import * as TKUnit from "../../tk-unit";
import * as helper from "../../ui-helper";
import { View, isIOS, unsetValue } from "@nativescript/core/ui/core/view";
import { Button } from "@nativescript/core/ui/button";
import * as types from "@nativescript/core/utils/types";
import { StackLayout } from "@nativescript/core/ui/layouts/stack-layout";
import { Label } from "@nativescript/core/ui/label";
import * as trace from "@nativescript/core/trace";
import { Color } from "@nativescript/core/color";
// enable the trace, it is disabled by default
trace.enable();

export * from "./view-tests-common";

// function setup(): StackLayout {
//     const page = helper.getClearCurrentPage();
//     const stack = new StackLayout();
//     page.content = stack;
//     return stack;
// }

// export function test_recycle_native_view_never() {
//     const stack = setup();
//     const btn = new Button();
//     btn.recycleNativeView = 'never';
//     stack.addChild(btn);
//     TKUnit.assertNotNull(btn.nativeViewProtected);

//     const oldNativeView = btn.nativeViewProtected;
//     stack.removeChild(btn);
//     stack.addChild(btn);
//     const newNativeView = btn.nativeViewProtected;
//     TKUnit.assertNotEqual(oldNativeView, newNativeView);
// }

// export function test_recycle_native_view_always() {
//     const stack = setup();
//     const btn = new Button();
//     btn.recycleNativeView = 'always';
//     stack.addChild(btn);
//     TKUnit.assertNotNull(btn.nativeViewProtected);

//     const oldNativeView = btn.nativeViewProtected;
//     stack.removeChild(btn);
//     stack.addChild(btn);
//     const newNativeView = btn.nativeViewProtected;
//     TKUnit.assertEqual(oldNativeView, newNativeView);
// }

// export function test_recycle_native_view_auto_access_nativeView() {
//     const stack = setup();
//     const btn = new Button();
//     btn.recycleNativeView = 'auto';
//     stack.addChild(btn);
//     TKUnit.assertNotNull(btn.nativeView);

//     const oldNativeView = btn.nativeViewProtected;
//     stack.removeChild(btn);
//     stack.addChild(btn);
//     const newNativeView = btn.nativeViewProtected;
//     TKUnit.assertNotEqual(oldNativeView, newNativeView);
// }

// export function test_recycle_native_view_auto_access_android() {
//     const stack = setup();
//     const btn = new Button();
//     btn.recycleNativeView = 'auto';
//     stack.addChild(btn);
//     TKUnit.assertNotNull(btn.android);

//     const oldNativeView = btn.nativeViewProtected;
//     stack.removeChild(btn);
//     stack.addChild(btn);
//     const newNativeView = btn.nativeViewProtected;
//     TKUnit.assertNotEqual(oldNativeView, newNativeView);
// }

// export function test_recycle_property_counter_few_properties() {
//     const stack = setup();
//     const btn = new Button();
//     btn.text = "text";
//     btn.recycleNativeView = 'auto';
//     stack.addChild(btn);
//     TKUnit.assertNotNull(btn.nativeViewProtected);

//     const oldNativeView = btn.nativeViewProtected;
//     stack.removeChild(btn);
//     stack.addChild(btn);
//     const newNativeView = btn.nativeViewProtected;
//     TKUnit.assertEqual(oldNativeView, newNativeView);
// }

// export function test_recycle_property_counter_more_properties() {
//     const stack = setup();
//     const btn = new Button();
//     btn.recyclePropertyCounter = 1;
//     btn.recycleNativeView = 'auto';
//     btn.text = "text";
//     btn.style.margin = "20";
//     stack.addChild(btn);
//     TKUnit.assertNotNull(btn.nativeViewProtected);

//     const oldNativeView = btn.nativeViewProtected;
//     stack.removeChild(btn);
//     stack.addChild(btn);
//     const newNativeView = btn.nativeViewProtected;
//     TKUnit.assertNotEqual(oldNativeView, newNativeView);
// }

export function test_event_setupUI_IsRaised() {
    const test = function (views: Array<View>) {
        views.forEach(v => {
            TKUnit.assertNotNull(v.nativeViewProtected, "_setupUI should initialize set nativeView");
        });
    };

    helper.do_PageTest_WithStackLayout_AndButton(test);
}

export function test_event_setupUI_IsRaised_WhenAttached_Dynamically() {
    const test = function (views: Array<View>) {
        // add new button to the visual tree and ensure its _setupUI event
        const btn = new Button();
        (<StackLayout>views[1]).addChild(btn);
        TKUnit.assertNotNull(btn.nativeViewProtected, "_setupUI should initialize nativeViewProtected");
    };

    helper.do_PageTest_WithStackLayout_AndButton(test);
}

export function test_event_onContextChanged_IsRaised_WhenAttached() {
    const test = function (views: Array<View>) {
        views.forEach(v => {
            TKUnit.assertNotNull(v._context, "_setupUI should initialize _context");
        });
    };

    helper.do_PageTest_WithStackLayout_AndButton(test);
}

export function test_event_onContextChanged_IsRaised_WhenAttached_Dynamically() {
    const test = function (views: Array<View>) {
        // add new button to the visual tree and ensure its _onContextChanged event
        const btn = new Button();
        (<StackLayout>views[1]).addChild(btn);
        TKUnit.assertNotNull(btn._context, "_setupUI should initialize _context");
    };

    helper.do_PageTest_WithStackLayout_AndButton(test);
}

export function test_event_tearDownUI_IsRaised() {
    let btn;
    let stack;
    const test = function (views: Array<View>) {
        stack = views[1];
        btn = views[1];
        // once the above method completes goBack on the current frame is called which will detach the tested views
    };

    helper.do_PageTest_WithStackLayout_AndButton(test);

    // _tearDownUI event is propagated to nested children first
    TKUnit.assertNull(stack.nativeViewProtected, "_tearDownUI should clear nativeViewProtected");
    TKUnit.assertNull(btn.nativeViewProtected, "_tearDownUI should clear nativeViewProtected");
}

export function test_event_tearDownUI_IsRaised_WhenRemoved_Dynamically() {
    const test = function (views: Array<View>) {
        // add new button to the visual tree and ensure its _tearDownUI event
        // remove the button from the layout
        const v = views[2];
        (<StackLayout>views[1]).removeChild(v);

        TKUnit.assertNull(v.nativeViewProtected, "_tearDownUI should clear nativeViewProtected");
    };

    helper.do_PageTest_WithStackLayout_AndButton(test);
}

export function test_events_tearDownUIAndRemovedFromNativeVisualTree_AreRaised_WhenNavigateBack() {
    const test = function (views: Array<View>) {
        const page = views[0].page;
        const stack = views[1];
        const btn = views[2];

        const nativeBtn = btn.nativeViewProtected;
        const nativeStack = stack.nativeViewProtected;
        page.content = null;

        // 2 tearDownUI calls: stack, button
        TKUnit.assertNull(btn.nativeViewProtected);
        TKUnit.assertNull(stack.nativeViewProtected);

        TKUnit.assertNull(btn._context);
        TKUnit.assertNull(stack._context);

        const btnNativeParent = isIOS ? nativeBtn.superview : nativeBtn.getParent();
        const stackNativeParent = isIOS ? nativeStack.superview : nativeStack.getParent();

        TKUnit.assertNull(btnNativeParent, "button NativeParent should be null");
        TKUnit.assertNull(stackNativeParent, "stack NativeParent should be null");
    };

    helper.do_PageTest_WithStackLayout_AndButton(test);
}

export function test_cachedProperties_Applied_WhenNativeWidged_IsCreated() {
    const test = function (views: Array<View>) {
        const newButton = new Button();
        newButton.text = "Test Button";
        TKUnit.assertNull(newButton.android);
        (<StackLayout>views[1]).addChild(newButton);

        TKUnit.assertTrue(!!newButton.android);
        // TODO: There is currently an issue with the getText conversion to JavaScript string
        TKUnit.assertEqual(newButton.android.getText(), "Test Button");
    };

    helper.do_PageTest_WithStackLayout_AndButton(test);
}

export function test_automation_text_set_to_native() {
    const test = function (views: Array<View>) {
        const newButton = new Button();
        newButton.automationText = "Button1";
        (<StackLayout>views[1]).addChild(newButton);
        TKUnit.assertEqual((<android.widget.Button>newButton.android).getContentDescription(), "Button1", "contentDescription not set to native ");
    };

    helper.do_PageTest_WithStackLayout_AndButton(test);
}

export const test_StylePropertiesDefaultValuesCache = function () {
    const testValue = 35;

    const test = function (views: [View, StackLayout, Button, View]) {
        const testLabel = new Label();
        const testButton = new Button();
        const stack = views[1];

        stack.addChild(testLabel);
        stack.addChild(testButton);

        const defaultLabelFontSize = (<android.widget.TextView>(testLabel.android)).getTextSize();
        const defaultButtonFontSize = (<android.widget.Button>(testButton.android)).getTextSize();

        testLabel.style.fontSize = testValue;
        testButton.style.fontSize = testValue;

        let actualLabelTextSize = (<android.widget.TextView>(testLabel.android)).getTextSize();
        let actualButtonTextSize = (<android.widget.Button>(testButton.android)).getTextSize();

        TKUnit.assert(actualLabelTextSize !== defaultLabelFontSize, "Label text size should be different from default!");
        TKUnit.assert(actualButtonTextSize !== defaultButtonFontSize, "Button text size should be different from default!");

        testLabel.style.fontSize = unsetValue;
        testButton.style.fontSize = unsetValue;

        actualLabelTextSize = (<android.widget.TextView>(testLabel.android)).getTextSize();
        actualButtonTextSize = (<android.widget.Button>(testButton.android)).getTextSize();

        TKUnit.assertEqual(actualLabelTextSize, defaultLabelFontSize, "Label text size should be default!");
        TKUnit.assertEqual(actualButtonTextSize, defaultButtonFontSize, "Button text size should be default!");
    };

    helper.do_PageTest_WithStackLayout_AndButton(test);
};

export function getUniformNativeBorderWidth(v: View): number {
    const bkg = <org.nativescript.widgets.BorderDrawable>v.android.getBackground();

    return bkg ? bkg.getUniformBorderWidth() : 0;
}

export function checkUniformNativeBorderColor(v: View): boolean {
    const bkg = <org.nativescript.widgets.BorderDrawable>(<android.view.View>v.android).getBackground();

    return bkg && bkg.getUniformBorderColor() === (<Color>v.borderColor).android;
}

export function getUniformNativeCornerRadius(v: View): number {
    const bkg = <org.nativescript.widgets.BorderDrawable>v.android.getBackground();

    return bkg ? bkg.getUniformBorderRadius() : 0;
}

export function checkNativeBackgroundColor(v: View): boolean {
    const bkg = <org.nativescript.widgets.BorderDrawable>(<android.view.View>v.android).getBackground();

    return v.backgroundColor && bkg && bkg.getBackgroundColor() === (<Color>v.backgroundColor).android;
}

export function checkNativeBackgroundImage(v: View): boolean {
    const bkg = <org.nativescript.widgets.BorderDrawable>(<android.view.View>v.android).getBackground();

    return bkg && !types.isNullOrUndefined(bkg.getBackgroundImage());
}