/*
Copyright 2023 The Matrix.org Foundation C.I.C.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

import { Locator, Page } from "@playwright/test";

import type { SettingLevel } from "../../src/settings/SettingLevel";

export class Settings {
    public constructor(private readonly page: Page) {}

    /**
     * Open the top left user menu, returning a Locator to the resulting context menu.
     */
    public async openUserMenu(): Promise<Locator> {
        const locator = this.page.locator(".mx_ContextualMenu");
        if (await locator.locator(".mx_UserMenu_contextMenu_header").isVisible()) return locator;
        await this.page.getByRole("button", { name: "User menu" }).click();
        await locator.waitFor();
        return locator;
    }

    /**
     * Close dialog currently open dialog
     */
    public async closeDialog(): Promise<void> {
        return this.page.getByRole("button", { name: "Close dialog", exact: true }).click();
    }

    /**
     * Sets the value for a setting. The room ID is optional if the
     * setting is not being set for a particular room, otherwise it
     * should be supplied. The value may be null to indicate that the
     * level should no longer have an override.
     * @param {string} settingName The name of the setting to change.
     * @param {String} roomId The room ID to change the value in, may be
     * null.
     * @param {SettingLevel} level The level to change the value at.
     * @param {*} value The new value of the setting, may be null.
     * @return {Promise} Resolves when the setting has been changed.
     */
    public async setValue(settingName: string, roomId: string, level: SettingLevel, value: any): Promise<void> {
        return this.page.evaluate<
            Promise<void>,
            {
                settingName: string;
                roomId: string | null;
                level: SettingLevel;
                value: any;
            }
        >(
            ({ settingName, roomId, level, value }) => {
                return window.mxSettingsStore.setValue(settingName, roomId, level, value);
            },
            { settingName, roomId, level, value },
        );
    }

    /**
     * Switch settings tab to the one by the given name
     * @param tab the name of the tab to switch to.
     */
    public async switchTab(tab: string): Promise<void> {
        await this.page
            .locator(".mx_TabbedView_tabLabels")
            .locator(".mx_TabbedView_tabLabel", { hasText: tab })
            .click();
    }

    /**
     * Open user settings (via user menu), returns a locator to the dialog
     * @param tab the name of the tab to switch to after opening, optional.
     */
    public async openUserSettings(tab?: string): Promise<Locator> {
        const locator = await this.openUserMenu();
        await locator.getByRole("menuitem", { name: "All settings", exact: true }).click();
        if (tab) await this.switchTab(tab);
        return this.page.locator(".mx_Dialog").filter({ has: this.page.locator(".mx_UserSettingsDialog") });
    }

    /**
     * Open room settings (via room header menu), returns a locator to the dialog
     * @param tab the name of the tab to switch to after opening, optional.
     */
    public async openRoomSettings(tab?: string): Promise<Locator> {
        await this.page.getByRole("banner").getByRole("button", { name: "Room options", exact: true }).click();
        await this.page.locator(".mx_RoomTile_contextMenu").getByRole("menuitem", { name: "Settings" }).click();
        if (tab) await this.switchTab(tab);
        return this.page.locator(".mx_Dialog").filter({ has: this.page.locator(".mx_RoomSettingsDialog") });
    }
}