import { load } from "./testAppDef";

describe("initialiseApp", () => {

    it("should populate root element prop from store value", async () => {

        const {dom} = await load({
            _component: "testlib/div",
            className: {
                "##bbstate": "divClassName",
                "##bbsource": "store",
                "##bbstatefallback":"default"
            }
        });

        const rootDiv = dom.window.document.body.children[0];
        expect(rootDiv.className).toBe("default");

    });

    it("should update root element from store", async () => {

        const {dom, app} = await load({
            _component: "testlib/div",
            className: {
                "##bbstate": "divClassName",
                "##bbsource": "store",
                "##bbstatefallback":"default"
            }
        });

        app.store.update(s => {
            s.divClassName = "newvalue";
            return s;
        });

        const rootDiv = dom.window.document.body.children[0];
        expect(rootDiv.className).toBe("newvalue");

    });

    
    it("should populate child component with store value", async () => {
        const {dom} = await load({
            _component: "testlib/div",
            _children: [
                {
                    _component: "testlib/h1",
                    text: {
                        "##bbstate": "headerOneText",
                        "##bbsource": "store",
                        "##bbstatefallback":"header one"
                    }
                },
                {
                    _component: "testlib/h1",
                    text: {
                        "##bbstate": "headerTwoText",
                        "##bbsource": "store",
                        "##bbstatefallback":"header two"
                    }
                }
            ]
        });

        const rootDiv = dom.window.document.body.children[0];

        expect(rootDiv.children.length).toBe(2);
        expect(rootDiv.children[0].tagName).toBe("H1");
        expect(rootDiv.children[0].innerText).toBe("header one");
        expect(rootDiv.children[1].tagName).toBe("H1");
        expect(rootDiv.children[1].innerText).toBe("header two");

    });


    it("should populate child component with store value", async () => {
        const {dom, app} = await load({
            _component: "testlib/div",
            _children: [
                {
                    _component: "testlib/h1",
                    text: {
                        "##bbstate": "headerOneText",
                        "##bbsource": "store",
                        "##bbstatefallback":"header one"
                    }
                },
                {
                    _component: "testlib/h1",
                    text: {
                        "##bbstate": "headerTwoText",
                        "##bbsource": "store",
                        "##bbstatefallback":"header two"
                    }
                }
            ]
        });

        app.store.update(s => {
            s.headerOneText = "header 1 - new val";
            s.headerTwoText = "header 2 - new val";
            return s;
        });

        const rootDiv = dom.window.document.body.children[0];

        expect(rootDiv.children.length).toBe(2);
        expect(rootDiv.children[0].tagName).toBe("H1");
        expect(rootDiv.children[0].innerText).toBe("header 1 - new val");
        expect(rootDiv.children[1].tagName).toBe("H1");
        expect(rootDiv.children[1].innerText).toBe("header 2 - new val");

    });


});