import { AppserviceMock } from "../utils/AppserviceMock";
import { FeedConnection, FeedConnectionState } from "../../src/Connections";
import { FeedEntry } from "../../src/feeds/FeedReader";
import { IntentMock } from "../utils/IntentMock";
import { randomUUID } from "crypto";
import { expect } from "chai";

const ROOM_ID = "!foo:bar";
const FEED_URL = "https://example.com/feed.xml";
const FEED_ENTRY_DEFAULTS: FeedEntry = {
    feed: {
        title: "Test feed",
        url: FEED_URL,
    },
    title: "Foo",
    link: "foo/bar",
    pubdate: "today!",
    summary: "fibble fobble",
    author: "Me!",
    fetchKey: randomUUID(),
}

function createFeed(
    state: Partial<FeedConnectionState> = { }
): [FeedConnection, IntentMock] {
    const as = AppserviceMock.create();
    const intent = as.getIntentForUserId('@webhooks:example.test');
    const connection =  new FeedConnection(ROOM_ID, "foobar", {
        label: undefined,
        template: undefined,
        notifyOnFailure: undefined,
        url: FEED_URL,
        ...state
    }, intent);
    return [connection, intent];
}
describe("FeedConnection", () => {
    it("will handle simple feed message", async () => {
        const [connection, intent] = createFeed();
        await connection.handleFeedEntry({
            ...FEED_ENTRY_DEFAULTS,
        });
        const matrixEvt = intent.sentEvents[0];
        expect(matrixEvt).to.not.be.undefined;
        expect(matrixEvt.roomId).to.equal(ROOM_ID);
        expect(matrixEvt.content.external_url).to.equal(FEED_ENTRY_DEFAULTS.link);
        expect(matrixEvt.content.body).to.equal("New post in Test feed: [Foo](foo/bar)");
    });

    it("will handle simple feed message without a title and link ", async () => {
        const [connection, intent] = createFeed();
        await connection.handleFeedEntry({
            ...FEED_ENTRY_DEFAULTS,
            title: null,
            link: null,
        });
        const matrixEvt =intent.sentEvents[0];
        expect(matrixEvt).to.not.be.undefined;
        expect(matrixEvt.roomId).to.equal(ROOM_ID);
        expect(matrixEvt.content.external_url).to.be.undefined;
        expect(matrixEvt.content.body).to.equal("New post in Test feed");
    });

    it("will handle simple feed message with a missing title ", async () => {
        const [connection, intent] = createFeed();
        await connection.handleFeedEntry({
            ...FEED_ENTRY_DEFAULTS,
            title: null,
        });
        const matrixEvt =intent.sentEvents[0];
        expect(matrixEvt).to.not.be.undefined;
        expect(matrixEvt.roomId).to.equal(ROOM_ID);
        expect(matrixEvt.content.body).to.equal("New post in Test feed: [foo/bar](foo/bar)");
    });

    it("will handle simple feed message with a missing link ", async () => {
        const [connection, intent] = createFeed();
        await connection.handleFeedEntry({
            ...FEED_ENTRY_DEFAULTS,
            link: null,
        });
        const matrixEvt =intent.sentEvents[0];
        expect(matrixEvt).to.not.be.undefined;
        expect(matrixEvt.roomId).to.equal(ROOM_ID);
        expect(matrixEvt.content.body).to.equal("New post in Test feed: Foo");
    });

    it("will handle simple feed message with all the template options possible ", async () => {
        const [connection, intent] = createFeed({
            template: `$FEEDNAME $FEEDURL $FEEDTITLE $TITLE $LINK $AUTHOR $DATE $SUMMARY`
        });
        await connection.handleFeedEntry({
            ...FEED_ENTRY_DEFAULTS,
        });
        const matrixEvt =intent.sentEvents[0];
        expect(matrixEvt).to.not.be.undefined;
        expect(matrixEvt.roomId).to.equal(ROOM_ID);
        expect(matrixEvt.content.body).to.equal("Test feed https://example.com/feed.xml Test feed Foo [Foo](foo/bar) Me! today! fibble fobble");
    });

    it("will handle html in the feed summary ", async () => {
        const [connection, intent] = createFeed({
            template: `$FEEDNAME $SUMMARY`
        });
        await connection.handleFeedEntry({
            ...FEED_ENTRY_DEFAULTS,
            summary: "<p> Some HTML with <disallowed-elements> which should be ignored </disallowed-elements> and an <img src='mxc://fibble/fobble'></img> </p>"
        });
        const matrixEvt =intent.sentEvents[0];
        expect(matrixEvt).to.not.be.undefined;
        expect(matrixEvt.roomId).to.equal(ROOM_ID);
        expect(matrixEvt.content.body).to.equal('Test feed <p> Some HTML with  which should be ignored  and an <img src="mxc://fibble/fobble"> </p>');
    });

    it("will handle partial html in the feed summary ", async () => {
        const [connection, intent] = createFeed({
            template: `$FEEDNAME $SUMMARY`
        });
        await connection.handleFeedEntry({
            ...FEED_ENTRY_DEFAULTS,
            summary: "<p> Some HTML with <disallowed-elements> which should be ignored and an <img src='mxc://fibble/fobble'></img> </p>"
        });
        const matrixEvt =intent.sentEvents[0];
        expect(matrixEvt).to.not.be.undefined;
        expect(matrixEvt.roomId).to.equal(ROOM_ID);
        expect(matrixEvt.content.body).to.equal('Test feed <p> Some HTML with  which should be ignored and an <img src="mxc://fibble/fobble"> </p>');
    });
})