import * as TKUnit from "../../TKUnit";
import * as layoutHelper from "./layout-helper";
import * as testModule from "../../ui-test";
import {LayoutBase, unsetValue, PercentLength} from "ui/layouts/layout-base";
import * as platform from "platform";

function getNativeLayoutParams(nativeView: android.view.View): org.nativescript.widgets.CommonLayoutParams {
    var lp = <org.nativescript.widgets.CommonLayoutParams>nativeView.getLayoutParams();
    if (!(lp instanceof org.nativescript.widgets.CommonLayoutParams)) {
        lp = new org.nativescript.widgets.CommonLayoutParams();
    }

    return lp;
}

export function percent_support_nativeLayoutParams_are_correct(test: testModule.UITest<LayoutBase>) {
    if (platform.device.os !== platform.platformNames.android) {
        return;
    }

    let layout = test.testView;
    layout.width = { value: 200, unit: "px" };
    layout.height = { value: 200, unit: "px" };

    let btn = new layoutHelper.MyButton();
    btn.width = { value: 100, unit: "px" };
    btn.height = { value: 100, unit: "px" };
    btn.margin = "10%";
    layout.addChild(btn);

    test.waitUntilTestElementLayoutIsValid();

    let lp = getNativeLayoutParams(btn._nativeView);
    TKUnit.assertEqual(lp.width, 100, "width");
    TKUnit.assertEqual(lp.widthPercent, -1, "widthPercent");
    TKUnit.assertEqual(lp.height, 100, "height");
    TKUnit.assertEqual(lp.heightPercent, -1, "heightPercent");
    TKUnit.assertEqual(lp.topMargin, 0, "topMargin");
    TKUnit.assertTrue(lp.topMarginPercent > 0, "topMarginPercent");
    TKUnit.assertEqual(lp.leftMargin, 0, "leftMargin");
    TKUnit.assertTrue(lp.leftMarginPercent > 0, "leftMarginPercent");
    TKUnit.assertEqual(lp.rightMargin, 0, "rightMargin");
    TKUnit.assertTrue(lp.rightMarginPercent > 0, "rightMarginPercent");
    TKUnit.assertEqual(lp.bottomMargin, 0, "bottomMargin");
    TKUnit.assertTrue(lp.bottomMarginPercent > 0, "bottomMarginPercent");

    (<any>btn).width = "50%";
    (<any>btn).height = "50%";
    test.waitUntilTestElementLayoutIsValid();

    TKUnit.assertEqual(lp.width, -1, "width");
    TKUnit.assertEqual(lp.widthPercent, 0.5, "widthPercent");
    TKUnit.assertEqual(lp.height, -1, "height");
    TKUnit.assertEqual(lp.heightPercent, 0.5, "heightPercent");

    btn.margin = "0";
    btn.height = unsetValue;
    btn.style.width = unsetValue;

    test.waitUntilTestElementLayoutIsValid();

    TKUnit.assertEqual(lp.width, -1, "width");
    TKUnit.assertEqual(lp.widthPercent, -1, "widthPercent");
    TKUnit.assertEqual(lp.height, -1, "height");
    TKUnit.assertEqual(lp.heightPercent, -1, "heightPercent");
    TKUnit.assertEqual(lp.topMargin, 0, "topMargin");
    TKUnit.assertEqual(lp.topMarginPercent, -1, "topMarginPercent");
    TKUnit.assertEqual(lp.leftMargin, 0, "leftMargin");
    TKUnit.assertEqual(lp.leftMarginPercent, -1, "leftMarginPercent");
    TKUnit.assertEqual(lp.rightMargin, 0, "rightMargin");
    TKUnit.assertEqual(lp.rightMarginPercent, -1, "rightMarginPercent");
    TKUnit.assertEqual(lp.bottomMargin, 0, "bottomMargin");
    TKUnit.assertEqual(lp.bottomMarginPercent, -1, "bottomMarginPercent");
}

export function percent_support_children_test(test: testModule.UITest<LayoutBase>) {
    let layout: LayoutBase = test.testView;
    layout.removeChildren();
    layout.width = { value: 200, unit: "px" };
    layout.height = { value: 200, unit: "px" };

    let btn = new layoutHelper.MyButton();
    btn.horizontalAlignment = "left";
    btn.verticalAlignment = "top";
    (<any>btn).width = "50%";
    (<any>btn).height = "50%";
    btn.margin = "10%";
    btn.text = "1";
    layout.addChild(btn);

    test.waitUntilTestElementLayoutIsValid();

    TKUnit.assertEqual(btn.getMeasuredWidth(), 100, "Button MeasuredWidth incorrect");
    TKUnit.assertEqual(btn.getMeasuredHeight(), 100, "Button MeasuredHeight incorrect");

    let bounds = btn._getCurrentLayoutBounds();
    TKUnit.assertEqual(bounds.left, 20, "TopLeft layout LEFT incorrect");
    TKUnit.assertEqual(bounds.top, 20, "TopLeft layout TOP incorrect");
    TKUnit.assertEqual(bounds.right, 120, "TopLeft layout RIGHT incorrect");
    TKUnit.assertEqual(bounds.bottom, 120, "TopLeft layout BOTTOM incorrect");

    btn.horizontalAlignment = "center";
    btn.verticalAlignment = "middle";
    test.waitUntilTestElementLayoutIsValid();

    bounds = btn._getCurrentLayoutBounds();
    TKUnit.assertEqual(bounds.left, 50, "Center layout LEFT incorrect");
    TKUnit.assertEqual(bounds.top, 50, "Center layout TOP incorrect");
    TKUnit.assertEqual(bounds.right, 150, "Center layout RIGHT incorrect");
    TKUnit.assertEqual(bounds.bottom, 150, "Center layout BOTTOM incorrect");

    btn.horizontalAlignment = "stretch";
    btn.verticalAlignment = "stretch";
    test.waitUntilTestElementLayoutIsValid();

    bounds = btn._getCurrentLayoutBounds();
    TKUnit.assertEqual(bounds.left, 50, "Stretch layout LEFT incorrect");
    TKUnit.assertEqual(bounds.top, 50, "Stretch layout TOP incorrect");
    TKUnit.assertEqual(bounds.right, 150, "Stretch layout RIGHT incorrect");
    TKUnit.assertEqual(bounds.bottom, 150, "Stretch layout BOTTOM incorrect");

    btn.horizontalAlignment = "right";
    btn.verticalAlignment = "bottom";
    test.waitUntilTestElementLayoutIsValid();

    bounds = btn._getCurrentLayoutBounds();
    TKUnit.assertEqual(bounds.left, 200 - 100 - 20, "BottomRight layout LEFT incorrect");
    TKUnit.assertEqual(bounds.top, 200 - 100 - 20, "BottomRight layout TOP incorrect");
    TKUnit.assertEqual(bounds.right, 200 - 20, "BottomRight layout RIGHT incorrect");
    TKUnit.assertEqual(bounds.bottom, 200 - 20, "BottomRight layout BOTTOM incorrect");

    //reset values.
    btn.height = unsetValue;
    btn.width = unsetValue;

    btn.margin = "0";
    btn.horizontalAlignment = "stretch";
    btn.verticalAlignment = "stretch";
    btn.height = unsetValue;

    TKUnit.assertTrue(PercentLength.equals(btn.marginLeft, 0));
    TKUnit.assertTrue(PercentLength.equals(btn.marginTop, 0));
    TKUnit.assertTrue(PercentLength.equals(btn.marginRight, 0));
    TKUnit.assertTrue(PercentLength.equals(btn.marginBottom, 0));

    TKUnit.assertTrue(PercentLength.equals(btn.width, "auto"));
    TKUnit.assertTrue(PercentLength.equals(btn.height, "auto"));

    test.waitUntilTestElementLayoutIsValid();

    bounds = btn._getCurrentLayoutBounds();
    TKUnit.assertEqual(bounds.left, 0, "Reset Stretch layout LEFT incorrect");
    TKUnit.assertEqual(bounds.top, 0, "Reset Stretch layout TOP incorrect");
    TKUnit.assertEqual(bounds.right, 200, "Reset Stretch layout RIGHT incorrect");
    TKUnit.assertEqual(bounds.bottom, 200, "Reset Stretch layout BOTTOM incorrect");
}