/*
 * Vencord, a modification for Discord's desktop app
 * Copyright (c) 2022 Vendicated and contributors
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

import { addBadge, BadgePosition, ProfileBadge, removeBadge } from "@api/Badges";
import { addDecorator, removeDecorator } from "@api/MemberListDecorators";
import { addDecoration, removeDecoration } from "@api/MessageDecorations";
import { Settings } from "@api/Settings";
import ErrorBoundary from "@components/ErrorBoundary";
import { Devs } from "@utils/constants";
import definePlugin, { OptionType } from "@utils/types";
import { findByCodeLazy, findStoreLazy } from "@webpack";
import { PresenceStore, Tooltip, UserStore } from "@webpack/common";
import { User } from "discord-types/general";

const SessionsStore = findStoreLazy("SessionsStore");

function Icon(path: string, viewBox = "0 0 24 24") {
    return ({ color, tooltip, wantMargin }: { color: string; tooltip: string; wantMargin: boolean; }) => (
        <Tooltip text={tooltip} >
            {(tooltipProps: any) => (
                <svg
                    {...tooltipProps}
                    height="20"
                    width="20"
                    viewBox={viewBox}
                    fill={color}
                    style={{
                        marginLeft: wantMargin ? 4 : 0,
                        verticalAlign: "top",
                        position: "relative",
                        top: wantMargin ? 1 : 0,
                    }}
                >
                    <path d={path} />
                </svg>
            )}
        </Tooltip>
    );
}

const Icons = {
    desktop: Icon("M4 2.5c-1.103 0-2 .897-2 2v11c0 1.104.897 2 2 2h7v2H7v2h10v-2h-4v-2h7c1.103 0 2-.896 2-2v-11c0-1.103-.897-2-2-2H4Zm16 2v9H4v-9h16Z"),
    web: Icon("M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2Zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93Zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39Z"),
    mobile: Icon("M15.5 1h-8A2.5 2.5 0 0 0 5 3.5v17A2.5 2.5 0 0 0 7.5 23h8a2.5 2.5 0 0 0 2.5-2.5v-17A2.5 2.5 0 0 0 15.5 1zm-4 21c-.83 0-1.5-.67-1.5-1.5s.67-1.5 1.5-1.5 1.5.67 1.5 1.5-.67 1.5-1.5 1.5zm4.5-4H7V4h9v14z"),
    console: Icon("M14.8 2.7 9 3.1V47h3.3c1.7 0 6.2.3 10 .7l6.7.6V2l-4.2.2c-2.4.1-6.9.3-10 .5zm1.8 6.4c1 1.7-1.3 3.6-2.7 2.2C12.7 10.1 13.5 8 15 8c.5 0 1.2.5 1.6 1.1zM16 33c0 6-.4 10-1 10s-1-4-1-10 .4-10 1-10 1 4 1 10zm15-8v23.3l3.8-.7c2-.3 4.7-.6 6-.6H43V3h-2.2c-1.3 0-4-.3-6-.6L31 1.7V25z", "0 0 50 50"),
};
type Platform = keyof typeof Icons;

const getStatusColor = findByCodeLazy(".TWITCH", ".STREAMING", ".INVISIBLE");

const PlatformIcon = ({ platform, status, wantMargin }: { platform: Platform, status: string; wantMargin: boolean; }) => {
    const tooltip = platform[0].toUpperCase() + platform.slice(1);
    const Icon = Icons[platform] ?? Icons.desktop;

    return <Icon color={`var(--${getStatusColor(status)}`} tooltip={tooltip} wantMargin={wantMargin} />;
};

const getStatus = (id: string): Record<Platform, string> => PresenceStore.getState()?.clientStatuses?.[id];

const PlatformIndicator = ({ user, wantMargin = true }: { user: User; wantMargin?: boolean; }) => {
    if (!user || user.bot) return null;

    if (user.id === UserStore.getCurrentUser().id) {
        const sessions = SessionsStore.getSessions();
        if (typeof sessions !== "object") return null;
        const sortedSessions = Object.values(sessions).sort(({ status: a }: any, { status: b }: any) => {
            if (a === b) return 0;
            if (a === "online") return 1;
            if (b === "online") return -1;
            if (a === "idle") return 1;
            if (b === "idle") return -1;
            return 0;
        });

        const ownStatus = Object.values(sortedSessions).reduce((acc: any, curr: any) => {
            if (curr.clientInfo.client !== "unknown")
                acc[curr.clientInfo.client] = curr.status;
            return acc;
        }, {});

        const { clientStatuses } = PresenceStore.getState();
        clientStatuses[UserStore.getCurrentUser().id] = ownStatus;
    }

    const status = PresenceStore.getState()?.clientStatuses?.[user.id] as Record<Platform, string>;
    if (!status) return null;

    const icons = Object.entries(status).map(([platform, status]) => (
        <PlatformIcon
            key={platform}
            platform={platform as Platform}
            status={status}
            wantMargin={wantMargin}
        />
    ));

    if (!icons.length) return null;

    return (
        <span className="vc-platform-indicator">
            {icons}
        </span>
    );
};

const badge: ProfileBadge = {
    component: p => <PlatformIndicator {...p} wantMargin={false} />,
    position: BadgePosition.START,
    shouldShow: userInfo => !!Object.keys(getStatus(userInfo.user.id) ?? {}).length,
    key: "indicator"
};

const indicatorLocations = {
    list: {
        description: "In the member list",
        onEnable: () => addDecorator("platform-indicator", props =>
            <ErrorBoundary noop>
                <PlatformIndicator user={props.user} />
            </ErrorBoundary>
        ),
        onDisable: () => removeDecorator("platform-indicator")
    },
    badges: {
        description: "In user profiles, as badges",
        onEnable: () => addBadge(badge),
        onDisable: () => removeBadge(badge)
    },
    messages: {
        description: "Inside messages",
        onEnable: () => addDecoration("platform-indicator", props =>
            <ErrorBoundary noop>
                <PlatformIndicator user={props.message?.author} />
            </ErrorBoundary>
        ),
        onDisable: () => removeDecoration("platform-indicator")
    }
};

export default definePlugin({
    name: "PlatformIndicators",
    description: "Adds platform indicators (Desktop, Mobile, Web...) to users",
    authors: [Devs.kemo, Devs.TheSun, Devs.Nuckyz],
    dependencies: ["MessageDecorationsAPI", "MemberListDecoratorsAPI"],

    start() {
        const settings = Settings.plugins.PlatformIndicators;
        const { displayMode } = settings;

        // transfer settings from the old ones, which had a select menu instead of booleans
        if (displayMode) {
            if (displayMode !== "both") settings[displayMode] = true;
            else {
                settings.list = true;
                settings.badges = true;
            }
            settings.messages = true;
            delete settings.displayMode;
        }

        Object.entries(indicatorLocations).forEach(([key, value]) => {
            if (settings[key]) value.onEnable();
        });
    },

    stop() {
        Object.entries(indicatorLocations).forEach(([_, value]) => {
            value.onDisable();
        });
    },

    patches: [
        {
            find: ".Masks.STATUS_ONLINE_MOBILE",
            predicate: () => Settings.plugins.PlatformIndicators.colorMobileIndicator,
            replacement: [
                {
                    // Return the STATUS_ONLINE_MOBILE mask if the user is on mobile, no matter the status
                    match: /(?<=return \i\.\i\.Masks\.STATUS_TYPING;)(.+?)(\i)\?(\i\.\i\.Masks\.STATUS_ONLINE_MOBILE):/,
                    replace: (_, rest, isMobile, mobileMask) => `if(${isMobile})return ${mobileMask};${rest}`
                },
                {
                    // Return the STATUS_ONLINE_MOBILE mask if the user is on mobile, no matter the status
                    match: /(switch\(\i\){case \i\.\i\.ONLINE:return )(\i)\?({.+?}):/,
                    replace: (_, rest, isMobile, component) => `if(${isMobile})return${component};${rest}`
                }
            ]
        },
        {
            find: ".AVATAR_STATUS_MOBILE_16;",
            predicate: () => Settings.plugins.PlatformIndicators.colorMobileIndicator,
            replacement: [
                {
                    // Return the AVATAR_STATUS_MOBILE size mask if the user is on mobile, no matter the status
                    match: /\i===\i\.\i\.ONLINE&&(?=.{0,70}\.AVATAR_STATUS_MOBILE_16;)/,
                    replace: ""
                },
                {
                    // Fix sizes for mobile indicators which aren't online
                    match: /(?<=\(\i\.status,)(\i)(?=,(\i),\i\))/,
                    replace: (_, userStatus, isMobile) => `${isMobile}?"online":${userStatus}`
                },
                {
                    // Make isMobile true no matter the status
                    match: /(?<=\i&&!\i)&&\i===\i\.\i\.ONLINE/,
                    replace: ""
                }
            ]
        },
        {
            find: "isMobileOnline=function",
            predicate: () => Settings.plugins.PlatformIndicators.colorMobileIndicator,
            replacement: {
                // Make isMobileOnline return true no matter what is the user status
                match: /(?<=\i\[\i\.\i\.MOBILE\])===\i\.\i\.ONLINE/,
                replace: "!= null"
            }
        }
    ],

    options: {
        ...Object.fromEntries(
            Object.entries(indicatorLocations).map(([key, value]) => {
                return [key, {
                    type: OptionType.BOOLEAN,
                    description: `Show indicators ${value.description.toLowerCase()}`,
                    // onChange doesn't give any way to know which setting was changed, so restart required
                    restartNeeded: true,
                    default: true
                }];
            })
        ),
        colorMobileIndicator: {
            type: OptionType.BOOLEAN,
            description: "Whether to make the mobile indicator match the color of the user status.",
            default: true,
            restartNeeded: true
        }
    }
});