import { Builder } from "@nativescript/core/ui/builder";
import { assertEqual, assertNull, assertThrows, assertNotNull, assert } from "../../tk-unit";
import { _setResolver, ModuleNameResolver, PlatformContext } from "@nativescript/core/module-name-resolver";
import { Button } from "@nativescript/core/ui/button";
import { navigate } from "../../ui-helper";
import { Page, Color } from "@nativescript/core/ui/page";

const testPrefix = "bundle-file-qualifiers-tests";
let modulesToCleanup: string[] = [];
function registerTestModule(name, loader: (name: string) => void) {
    modulesToCleanup.push(name);
    global.registerModule(name, loader);
}

export function setUp() {
    _setResolver(new ModuleNameResolver({
        width: 640,
        height: 360,
        os: "android",
        deviceType: "phone"
    }));
}

export function tearDown() {
    modulesToCleanup.forEach(global._unregisterModule);
    modulesToCleanup = [];
    _setResolver(undefined);
}

function createViewFromEntryAndNavigate(): Page {
    const page = <Page>Builder.createViewFromEntry({
        moduleName: `${testPrefix}/test`
    });

    navigate(() => page);

    return page;
}

function loadRightCss() {
    return `.test-class { color: green }`;
}

function loadRightXml() {
    return `
        <Page>
            <Button id="test-id" class="test-class" text="right" tap="testEvent"/>
        </Page>`;
}

let testEventCalled = false;
function loadRightJS() {
    return {
        testEvent: () => {
            testEventCalled = true;
        }
    };
}

function loadRightJS_CreatePage() {
    return {
        createPage: () => {
            const page = new Page();
            const btn = new Button();
            btn.id = "test-id";
            btn.className = "test-class";
            btn.text = "right";
            btn.on("tap", () => { testEventCalled = true; });
            page.content = btn;

            return page;
        }
    };
}

function loadWrongCss(name: string) {
    throw new Error(`Loading wrong CSS module: ${name}`);
}

function loadWrongXml(name: string) {
    throw new Error(`Loading wrong XML module: ${name}`);
}

function loadWrongJS(name: string) {
    throw new Error(`Loading wrong JS module: ${name}`);
}

function assertXmlCss(btn: Button) {
    assertNotNull(btn, "Test button not found");

    assertEqual(btn.text, "right", "Wrong XML loaded");

    assertNotNull(btn.style.color, "Wrong CSS loaded");
    assertEqual(btn.style.color.hex, new Color("green").hex, "Wrong CSS loaded");
}

function assertXmlCssJs(btn: Button) {
    assertXmlCss(btn);

    testEventCalled = false;
    btn._emit("tap");
    assert(testEventCalled, "Wrong JS loaded");
}

export function testPageWithXmlCssJs_NoQualifiers() {
    // Arrange
    registerTestModule(`${testPrefix}/test.xml`, loadRightXml);
    registerTestModule(`${testPrefix}/test.css`, loadRightCss);
    registerTestModule(`${testPrefix}/test`, loadRightJS);

    // Act
    const page = createViewFromEntryAndNavigate();

    // Assert
    assertXmlCssJs(page.getViewById("test-id"));
}

export function testPageWithJsCss_NoXML_NoQualifiers() {
    // Arrange
    registerTestModule(`${testPrefix}/test`, loadRightJS_CreatePage);
    registerTestModule(`${testPrefix}/test.css`, loadRightCss);

    // Act
    const page = createViewFromEntryAndNavigate();

    // Assert
    assertXmlCssJs(page.getViewById("test-id"));
}

export function testPageWithXmlCss_NoJS_NoQualifiers() {
    // Arrange
    registerTestModule(`${testPrefix}/test.xml`, loadRightXml);
    registerTestModule(`${testPrefix}/test.css`, loadRightCss);

    // Act
    const page = createViewFromEntryAndNavigate();

    // Assert
    assertXmlCss(page.getViewById("test-id"));
}

export function testPageWithXmlCssJs_CssQualifier() {
    // Arrange
    registerTestModule(`${testPrefix}/test.xml`, loadRightXml);
    registerTestModule(`${testPrefix}/test.css`, loadWrongCss);
    registerTestModule(`${testPrefix}/test.land.css`, loadRightCss);
    registerTestModule(`${testPrefix}/test`, loadRightJS);

    // Act
    const page = createViewFromEntryAndNavigate();

    // Assert
    assertXmlCssJs(page.getViewById("test-id"));
}

export function testPageWithXmlCssJs_XmlQualifier() {
    // Arrange
    registerTestModule(`${testPrefix}/test.xml`, loadWrongXml);
    registerTestModule(`${testPrefix}/test.land.xml`, loadRightXml);
    registerTestModule(`${testPrefix}/test.css`, loadRightCss);
    registerTestModule(`${testPrefix}/test`, loadRightJS);

    // Act
    const page = createViewFromEntryAndNavigate();

    // Assert
    assertXmlCssJs(page.getViewById("test-id"));
}

export function testPageWithXmlCssJs_JsQualifier() {
    // Arrange
    registerTestModule(`${testPrefix}/test.xml`, loadRightXml);
    registerTestModule(`${testPrefix}/test.css`, loadRightCss);
    registerTestModule(`${testPrefix}/test`, loadWrongJS);
    registerTestModule(`${testPrefix}/test.land`, loadRightJS);

    // Act
    const page = createViewFromEntryAndNavigate();

    // Assert
    assertXmlCssJs(page.getViewById("test-id"));
}

export function testPageWithXmlCssJs_XmlCssJsQualifiers() {
    // Arrange
    registerTestModule(`${testPrefix}/test.xml`, loadWrongXml);
    registerTestModule(`${testPrefix}/test.land.xml`, loadRightXml);
    registerTestModule(`${testPrefix}/test.css`, loadWrongCss);
    registerTestModule(`${testPrefix}/test.land.css`, loadRightCss);
    registerTestModule(`${testPrefix}/test`, loadWrongJS);
    registerTestModule(`${testPrefix}/test.land`, loadRightJS);

    // Act
    const page = createViewFromEntryAndNavigate();

    // Assert
    assertXmlCssJs(page.getViewById("test-id"));
}

export function testPageWithXmlCss_NoJS_XmlQualifier() {
    // Arrange
    registerTestModule(`${testPrefix}/test.xml`, loadWrongXml);
    registerTestModule(`${testPrefix}/test.land.xml`, loadRightXml);
    registerTestModule(`${testPrefix}/test.css`, loadRightCss);

    // Act
    const page = createViewFromEntryAndNavigate();

    // Assert
    assertXmlCss(page.getViewById("test-id"));
}

export function testPageWithJsCss_NoXML_JsQualifier() {
    // Arrange
    registerTestModule(`${testPrefix}/test`, loadWrongJS);
    registerTestModule(`${testPrefix}/test.land`, loadRightJS_CreatePage);
    registerTestModule(`${testPrefix}/test.css`, loadRightCss);

    // Act
    const page = createViewFromEntryAndNavigate();

    // Assert
    assertXmlCssJs(page.getViewById("test-id"));
}

function loadPageXmlWithCssFile() {
    return `
    <Page cssFile="${testPrefix}/custom-test.css">
        <Button id="test-id" class="test-class" text="right" tap="testEvent"/>
    </Page>`;
}

export function testPageWithXmlCssJs_WithCssFile_NoQualifiers() {
    // Arrange
    registerTestModule(`${testPrefix}/test.xml`, loadPageXmlWithCssFile);
    registerTestModule(`${testPrefix}/test.css`, loadWrongCss);
    registerTestModule(`${testPrefix}/custom-test.css`, loadRightCss);
    registerTestModule(`${testPrefix}/test`, loadRightJS);

    // Act
    const page = createViewFromEntryAndNavigate();

    // Assert
    assertXmlCssJs(page.getViewById("test-id"));
}

export function testPageWithXmlCssJs_WithCssFile_WithQualifiers() {
    // Arrange
    registerTestModule(`${testPrefix}/test.xml`, loadPageXmlWithCssFile);
    registerTestModule(`${testPrefix}/test.css`, loadWrongCss);
    registerTestModule(`${testPrefix}/custom-test.css`, loadWrongCss);
    registerTestModule(`${testPrefix}/custom-test.land.css`, loadRightCss);
    registerTestModule(`${testPrefix}/test`, loadRightJS);

    // Act
    const page = createViewFromEntryAndNavigate();

    // Assert
    assertXmlCssJs(page.getViewById("test-id"));
}

function loadPageXmlWithCodeFile() {
    return `
    <Page codeFile="${testPrefix}/custom-test.js">
        <Button id="test-id" class="test-class" text="right" tap="testEvent"/>
    </Page>`;
}

export function testPageWithXmlCssJs_WithCodeFile_NoQualifiers() {
    // Arrange
    registerTestModule(`${testPrefix}/test.xml`, loadPageXmlWithCodeFile);
    registerTestModule(`${testPrefix}/test.css`, loadRightCss);
    registerTestModule(`${testPrefix}/custom-test`, loadRightJS);

    // Act
    const page = createViewFromEntryAndNavigate();

    // Assert
    assertXmlCssJs(page.getViewById("test-id"));
}

export function testPageWithXmlCssJs_WithCodeFile_WithQualifiers() {
    // Arrange
    registerTestModule(`${testPrefix}/test.xml`, loadPageXmlWithCodeFile);
    registerTestModule(`${testPrefix}/test.css`, loadRightCss);
    registerTestModule(`${testPrefix}/custom-test`, loadWrongJS);
    registerTestModule(`${testPrefix}/custom-test.land`, loadRightJS);

    // Act
    const page = createViewFromEntryAndNavigate();

    // Assert
    assertXmlCssJs(page.getViewById("test-id"));
}

// --------------------------------------------------------------
// ----------------- Custom Component Tests ---------------------
// --------------------------------------------------------------

function loadPageXmlWithComponent() {
    return `
        <Page xmlns:cc="${testPrefix}/component">
            <cc:MyComponent/>
        </Page>`;
}

function loadRightComponentXml() {
    return `<Button id="test-id" class="test-class" text="right" tap="testEvent"/>`;
}

export function testCustomComponentWithXmlCssJs_NoQualifiers() {
    // Arrange
    registerTestModule(`${testPrefix}/test.xml`, loadPageXmlWithComponent);
    registerTestModule(`${testPrefix}/component/MyComponent.xml`, loadRightComponentXml);
    registerTestModule(`${testPrefix}/component/MyComponent.css`, loadRightCss);
    registerTestModule(`${testPrefix}/component/MyComponent`, loadRightJS);

    // Act
    const page = createViewFromEntryAndNavigate();

    // Assert
    assertXmlCssJs(page.getViewById("test-id"));
}

export function testCustomComponentWithXmlCssJs_JsQualifiers() {
    // Arrange
    registerTestModule(`${testPrefix}/test.xml`, loadPageXmlWithComponent);
    registerTestModule(`${testPrefix}/component/MyComponent.xml`, loadRightComponentXml);
    registerTestModule(`${testPrefix}/component/MyComponent.css`, loadRightCss);
    registerTestModule(`${testPrefix}/component/MyComponent`, loadWrongJS);
    registerTestModule(`${testPrefix}/component/MyComponent.land`, loadRightJS);

    // Act
    const page = createViewFromEntryAndNavigate();

    // Assert
    assertXmlCssJs(page.getViewById("test-id"));
}

export function testCustomComponentWithXmlCssJs_CssQualifiers() {
    // Arrange
    registerTestModule(`${testPrefix}/test.xml`, loadPageXmlWithComponent);
    registerTestModule(`${testPrefix}/component/MyComponent.xml`, loadRightComponentXml);
    registerTestModule(`${testPrefix}/component/MyComponent.css`, loadWrongCss);
    registerTestModule(`${testPrefix}/component/MyComponent.land.css`, loadRightCss);
    registerTestModule(`${testPrefix}/component/MyComponent`, loadRightJS);

    // Act
    const page = createViewFromEntryAndNavigate();

    // Assert
    assertXmlCssJs(page.getViewById("test-id"));
}

export function testCustomComponentWithXmlCssJs_XmlQualifiers() {
    // Arrange
    registerTestModule(`${testPrefix}/test.xml`, loadPageXmlWithComponent);
    registerTestModule(`${testPrefix}/component/MyComponent.xml`, loadWrongXml);
    registerTestModule(`${testPrefix}/component/MyComponent.land.xml`, loadRightComponentXml);
    registerTestModule(`${testPrefix}/component/MyComponent.css`, loadRightCss);
    registerTestModule(`${testPrefix}/component/MyComponent`, loadRightJS);

    // Act
    const page = createViewFromEntryAndNavigate();

    // Assert
    assertXmlCssJs(page.getViewById("test-id"));
}

export function testCustomComponentWithXmlCssJs_XmlCssJsQualifiers() {
    // Arrange
    registerTestModule(`${testPrefix}/test.xml`, loadPageXmlWithComponent);
    registerTestModule(`${testPrefix}/component/MyComponent.xml`, loadWrongXml);
    registerTestModule(`${testPrefix}/component/MyComponent.css`, loadWrongCss);
    registerTestModule(`${testPrefix}/component/MyComponent`, loadWrongJS);
    registerTestModule(`${testPrefix}/component/MyComponent.land.xml`, loadRightComponentXml);
    registerTestModule(`${testPrefix}/component/MyComponent.land.css`, loadRightCss);
    registerTestModule(`${testPrefix}/component/MyComponent.land`, loadRightJS);

    // Act
    const page = createViewFromEntryAndNavigate();

    // Assert
    assertXmlCssJs(page.getViewById("test-id"));
}

function loadCodeCustomComponentJS() {
    class MyComponent extends Button {
        constructor() {
            super();
            this.id = "test-id";
            this.className = "test-class";
            this.text = "right";
            this.on("tap", () => { testEventCalled = true; });
        }
    }

    return { MyComponent };
}

export function testCustomComponentWithCode_NoQualifiers() {
    // Arrange
    registerTestModule(`${testPrefix}/test.xml`, loadPageXmlWithComponent);
    registerTestModule(`${testPrefix}/component`, loadCodeCustomComponentJS);
    registerTestModule(`${testPrefix}/component.css`, loadRightCss);

    // Act
    const page = createViewFromEntryAndNavigate();

    // Assert
    assertXmlCssJs(page.getViewById("test-id"));
}

export function testCustomComponentWithCode_JsCssQualifiers() {
    // Arrange
    registerTestModule(`${testPrefix}/test.xml`, loadPageXmlWithComponent);
    registerTestModule(`${testPrefix}/component`, loadWrongJS);
    registerTestModule(`${testPrefix}/component.land`, loadCodeCustomComponentJS);
    registerTestModule(`${testPrefix}/component.css`, loadWrongCss);
    registerTestModule(`${testPrefix}/component.land.css`, loadRightCss);

    // Act
    const page = createViewFromEntryAndNavigate();

    // Assert
    assertXmlCssJs(page.getViewById("test-id"));
}

function loadRightComponentXmlWithCodeFileAndCssFile() {
    return `<Button
        codeFile="${testPrefix}/component/custom-code-component.js"
        cssFile="${testPrefix}/component/custom-code-component.css"
        id="test-id" class="test-class" text="right" tap="testEvent"/>`;
}

export function testCustomComponent_WithCodeFileAndCssFile_NoQualifiers() {
    // Arrange
    registerTestModule(`${testPrefix}/test.xml`, loadPageXmlWithComponent);
    registerTestModule(`${testPrefix}/component/MyComponent.xml`, loadRightComponentXmlWithCodeFileAndCssFile);

    registerTestModule(`${testPrefix}/component/MyComponent.css`, loadWrongCss);
    registerTestModule(`${testPrefix}/component/custom-code-component`, loadRightJS);
    registerTestModule(`${testPrefix}/component/custom-code-component.css`, loadRightCss);

    // Act
    const page = createViewFromEntryAndNavigate();

    // Assert
    assertXmlCssJs(page.getViewById("test-id"));
}

export function testCustomComponent_WithCodeFileAndCssFile_WithQualifiers() {
    // Arrange
    registerTestModule(`${testPrefix}/test.xml`, loadPageXmlWithComponent);
    registerTestModule(`${testPrefix}/component/MyComponent.xml`, loadRightComponentXmlWithCodeFileAndCssFile);

    registerTestModule(`${testPrefix}/component/MyComponent.css`, loadWrongCss);
    registerTestModule(`${testPrefix}/component/custom-code-component`, loadWrongJS);
    registerTestModule(`${testPrefix}/component/custom-code-component.css`, loadWrongCss);

    registerTestModule(`${testPrefix}/component/custom-code-component.land`, loadRightJS);
    registerTestModule(`${testPrefix}/component/custom-code-component.land.css`, loadRightCss);
    // Act
    const page = createViewFromEntryAndNavigate();

    // Assert
    assertXmlCssJs(page.getViewById("test-id"));
}