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

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

import classNames from "classnames";
import React, { useCallback } from "react";

import { Action } from "../../../dispatcher/actions";
import defaultDispatcher from "../../../dispatcher/dispatcher";
import { useSettingValue } from "../../../hooks/useSettings";
import { _t } from "../../../languageHandler";
import PosthogTrackers from "../../../PosthogTrackers";
import { UseCase } from "../../../settings/enums/UseCase";
import { SettingLevel } from "../../../settings/SettingLevel";
import SettingsStore from "../../../settings/SettingsStore";
import AccessibleButton, { ButtonEvent } from "../../views/elements/AccessibleButton";
import Heading from "../../views/typography/Heading";
import { showUserOnboardingPage } from "./UserOnboardingPage";

interface Props {
    selected: boolean;
    minimized: boolean;
}

export function UserOnboardingButton({ selected, minimized }: Props): JSX.Element {
    const useCase = useSettingValue<UseCase | null>("FTUE.useCaseSelection");
    const visible = useSettingValue<boolean>("FTUE.userOnboardingButton");

    if (!visible || minimized || !showUserOnboardingPage(useCase)) {
        return <></>;
    }

    return <UserOnboardingButtonInternal selected={selected} minimized={minimized} />;
}

function UserOnboardingButtonInternal({ selected, minimized }: Props): JSX.Element {
    const onDismiss = useCallback((ev: ButtonEvent) => {
        ev.preventDefault();
        ev.stopPropagation();

        PosthogTrackers.trackInteraction("WebRoomListUserOnboardingIgnoreButton", ev);
        SettingsStore.setValue("FTUE.userOnboardingButton", null, SettingLevel.ACCOUNT, false);
    }, []);

    const onClick = useCallback((ev: ButtonEvent) => {
        ev.preventDefault();
        ev.stopPropagation();

        PosthogTrackers.trackInteraction("WebRoomListUserOnboardingButton", ev);
        defaultDispatcher.fire(Action.ViewHomePage);
    }, []);

    return (
        <AccessibleButton
            className={classNames("mx_UserOnboardingButton", {
                mx_UserOnboardingButton_selected: selected,
                mx_UserOnboardingButton_minimized: minimized,
            })}
            onClick={onClick}
        >
            {!minimized && (
                <>
                    <div className="mx_UserOnboardingButton_content">
                        <Heading size="4" className="mx_Heading_h4">
                            {_t("common|welcome")}
                        </Heading>
                        <AccessibleButton
                            className="mx_UserOnboardingButton_close"
                            onClick={onDismiss}
                            aria-label={_t("action|dismiss")}
                        />
                    </div>
                </>
            )}
        </AccessibleButton>
    );
}