/*
Copyright 2024 New Vector Ltd.
Copyright 2022, 2023 The Matrix.org Foundation C.I.C.

SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Commercial
Please see LICENSE files in the repository root for full details.
*/

import { type Page } from "playwright-core";

import { SettingLevel } from "../../../src/settings/SettingLevel";
import { UIFeature } from "../../../src/settings/UIFeature";
import { test, expect } from "../../element-web-test";

const name = "Test room";
const topic = "A decently explanatory topic for a test room.";

test.describe("Create Room", () => {
    test.use({ displayName: "Jim" });

    test(
        "should create a public room with name, topic & address set",
        { tag: "@screenshot" },
        async ({ page, user, app, axe }) => {
            const dialog = await app.openCreateRoomDialog();
            // Fill name & topic
            await dialog.getByRole("textbox", { name: "Name" }).fill(name);
            await dialog.getByRole("textbox", { name: "Topic" }).fill(topic);
            // Change room to public
            await dialog.getByRole("button", { name: "Room visibility" }).click();
            await dialog.getByRole("option", { name: "Public room" }).click();
            // Fill room address
            await dialog.getByRole("textbox", { name: "Room address" }).fill("test-create-room-standard");

            axe.disableRules("color-contrast"); // XXX: Inheriting colour contrast issues from room view.
            await expect(axe).toHaveNoViolations();
            // Snapshot it
            // Mask topic to avoid flakiness with top border
            await expect(dialog).toMatchScreenshot("create-room.png", {
                mask: [dialog.locator(".mx_CreateRoomDialog_topic")],
            });

            // Submit
            await dialog.getByRole("button", { name: "Create room" }).click();

            await expect(page).toHaveURL(new RegExp(`/#/room/#test-create-room-standard:${user.homeServer}`));
            const header = page.locator(".mx_RoomHeader");
            await expect(header).toContainText(name);
        },
    );

    test("should allow us to start a chat and show encryption state", async ({ page, user, app }) => {
        await page.getByRole("button", { name: "New conversation", exact: true }).click();
        await page.getByRole("menuitem", { name: "Start chat" }).click();

        await page.getByTestId("invite-dialog-input").fill(user.userId);

        await page.getByRole("button", { name: "Go" }).click();

        await expect(page.getByText("Encryption enabled")).toBeVisible();
        await expect(page.getByText("Send your first message to")).toBeVisible();

        const composer = page.getByRole("region", { name: "Message composer" });
        await expect(composer.getByRole("textbox", { name: "Send a message…" })).toBeVisible();
    });

    test("should create a video room", { tag: "@screenshot" }, async ({ page, user, app }) => {
        await app.settings.setValue("feature_video_rooms", null, SettingLevel.DEVICE, true);

        const dialog = await app.openCreateRoomDialog("New video room");
        // Fill name & topic
        await dialog.getByRole("textbox", { name: "Name" }).fill(name);
        await dialog.getByRole("textbox", { name: "Topic" }).fill(topic);
        // Change room to public
        await dialog.getByRole("button", { name: "Room visibility" }).click();
        await dialog.getByRole("option", { name: "Public room" }).click();
        // Fill room address
        await dialog.getByRole("textbox", { name: "Room address" }).fill("test-create-room-video");
        // Snapshot it
        // Mask topic to avoid flakiness with top border
        await expect(dialog).toMatchScreenshot("create-video-room.png", {
            mask: [dialog.locator(".mx_CreateRoomDialog_topic")],
        });

        // Submit
        await dialog.getByRole("button", { name: "Create video room" }).click();

        await expect(page).toHaveURL(new RegExp(`/#/room/#test-create-room-video:${user.homeServer}`));
        const header = page.locator(".mx_RoomHeader");
        await expect(header).toContainText(name);
    });

    test.describe("Should hide public room option if not allowed", () => {
        test.use({
            config: {
                setting_defaults: {
                    [UIFeature.AllowCreatingPublicRooms]: false,
                },
            },
        });

        test("should disallow creating public rooms", { tag: "@screenshot" }, async ({ page, user, app, axe }) => {
            const dialog = await app.openCreateRoomDialog();
            // Fill name & topic
            await dialog.getByRole("textbox", { name: "Name" }).fill(name);
            await dialog.getByRole("textbox", { name: "Topic" }).fill(topic);

            axe.disableRules("color-contrast"); // XXX: Inheriting colour contrast issues from room view.
            await expect(axe).toHaveNoViolations();
            // Snapshot it
            // Mask topic to avoid flakiness with top border
            await expect(dialog).toMatchScreenshot("create-room-no-public.png", {
                mask: [dialog.locator(".mx_CreateRoomDialog_topic")],
            });

            // Submit
            await dialog.getByRole("button", { name: "Create room" }).click();

            await expect(page).toHaveURL(new RegExp(`/#/room/!.+`));
            const header = page.locator(".mx_RoomHeader");
            await expect(header).toContainText(name);
        });
    });

    test.describe("when the encrypted state labs flag is turned off", () => {
        test.use({ labsFlags: [] });

        test("creates a room without encrypted state", { tag: "@screenshot" }, async ({ page, user: _user }) => {
            // When we start to create a room
            await page.getByRole("button", { name: "New conversation", exact: true }).click();
            await page.getByRole("menuitem", { name: "New room" }).click();
            await page.getByRole("textbox", { name: "Name" }).fill(name);

            // Then there is no Encrypt state events button
            await expect(page.getByRole("checkbox", { name: "Encrypt state events" })).not.toBeVisible();

            // And when we create the room
            await page.getByRole("button", { name: "Create room" }).click();

            // Then we created a normal encrypted room, without encrypted state
            await expect(page.getByText("Encryption enabled")).toBeVisible();
            await expect(page.getByText("State encryption enabled")).not.toBeVisible();

            // And the room name state event is not encrypted
            await viewSourceOnRoomNameEvent(page);
            await expect(page.getByText("Original event source")).toBeVisible();
            await expect(page.getByText("Decrypted event source")).not.toBeVisible();
        });
    });

    test.describe("when the encrypted state labs flag is turned on", () => {
        test.use({ labsFlags: ["feature_msc4362_encrypted_state_events"] });

        test(
            "creates a room with encrypted state if we check the box",
            { tag: "@screenshot" },
            async ({ page, user: _user }) => {
                // Given we check the Encrypted State checkbox
                await page.getByRole("button", { name: "New conversation", exact: true }).click();
                await page.getByRole("menuitem", { name: "New room" }).click();
                await expect(page.getByRole("switch", { name: "Enable end-to-end encryption" })).toBeChecked();
                await page.getByRole("switch", { name: "Encrypt state events" }).click();
                await expect(page.getByRole("switch", { name: "Encrypt state events" })).toBeChecked();

                // When we create a room
                await page.getByRole("textbox", { name: "Name" }).fill(name);
                await page.getByRole("button", { name: "Create room" }).click();

                // Then we created an encrypted state room
                await expect(page.getByText("State encryption enabled")).toBeVisible();

                // And it has the correct name
                await expect(page.getByTestId("timeline").getByRole("heading", { name })).toBeVisible();

                // And the room name state event is encrypted
                await viewSourceOnRoomNameEvent(page);
                await expect(page.getByText("Decrypted event source")).toBeVisible();
            },
        );

        test(
            "creates a room without encrypted state if we don't check the box",
            { tag: "@screenshot" },
            async ({ page, user: _user }) => {
                // Given we did not check the Encrypted State checkbox
                await page.getByRole("button", { name: "New conversation", exact: true }).click();
                await page.getByRole("menuitem", { name: "New room" }).click();
                await expect(page.getByRole("switch", { name: "Enable end-to-end encryption" })).toBeChecked();

                // And it is off by default
                await expect(page.getByRole("switch", { name: "Encrypt state events" })).not.toBeChecked();

                // When we create a room
                await page.getByRole("textbox", { name: "Name" }).fill(name);
                await page.getByRole("button", { name: "Create room" }).click();

                // Then we created a normal encrypted room, without encrypted state
                await expect(page.getByText("Encryption enabled")).toBeVisible();
                await expect(page.getByText("State encryption enabled")).not.toBeVisible();

                // And it has the correct name
                await expect(page.getByTestId("timeline").getByRole("heading", { name })).toBeVisible();

                // And the room name state event is not encrypted
                await viewSourceOnRoomNameEvent(page);
                await expect(page.getByText("Original event source")).toBeVisible();
                await expect(page.getByText("Decrypted event source")).not.toBeVisible();
            },
        );
    });
});

async function viewSourceOnRoomNameEvent(page: Page) {
    await page
        .getByRole("listitem")
        .filter({ hasText: "created and configured the room" })
        .getByRole("button", { name: "expand" })
        .click();

    await page
        .getByRole("listitem")
        .filter({ hasText: "changed the room name to" })
        .getByRole("button", { name: "Options" })
        .click();

    await page.getByRole("menuitem", { name: "View source" }).click();
}