/*
 * Vencord, a Discord client mod
 * Copyright (c) 2024 Vendicated and contributors
 * SPDX-License-Identifier: GPL-3.0-or-later
 */

import { ApplicationCommandInputType, Argument, CommandContext } from "@api/Commands";
import { gitHash } from "@shared/vencordUserAgent";
import { Devs } from "@utils/constants";
import { sendMessage } from "@utils/discord";
import definePlugin from "@utils/types";
import { GuildMemberStore, UserStore } from "@webpack/common";

import { PluginMeta } from "~plugins";

import SettingsPlugin from "../../plugins/_core/settings";

const clientVersion = () => {
    const version = IS_DISCORD_DESKTOP ? DiscordNative.app.getVersion() : IS_VESKTOP ? VesktopNative.app.getVersion() : null;
    // @ts-ignore
    const name = IS_DISCORD_DESKTOP ? "Desktop" : IS_VESKTOP ? "Vesktop" : typeof unsafeWindow !== "undefined" ? "UserScript" : "Web";

    return `${name}${version ? ` v${version}` : ''}`;
};
const uptime = Date.now();

const lines = `\
VV       VV
 VV     VV
  VV   VV
   VV VV
    VVV
        CCCCCCC
       CC
      CC
       CC
        CCCCCCC\
`.split("\n");
const sanitised = `\
VV       VV
 VV     VV
  VV   VV
   VV VV
    VVV
        CCCCCCC
       CC
      CC
       CC
        CCCCCCC\
`.split("\n");

// ```ansi
// VV       VV                 thepotatofamine
//  VV     VV                  ---------------
//   VV   VV                   Version: v1.10.5 • 88e8fa7e (Dev) - 25 Oct 2024
//    VV VV                    Client: canary ~ Vesktop v1.5.3
//     VVV                     Platform: MacIntel
//         CCCCCCC             Plugin Count: 119
//        CC                   Uptime: 1997s
//       CC                    Donor: yes
//        CC
//         CCCCCCC             ███████████████████████████
// ```;

function getEnabledPlugins() {
    let counter = 0;
    let userpluginsCount = 0;

    Object.entries(Vencord.Plugins.plugins).forEach(([key, value]) => {
        if (value.started) if (PluginMeta[value.name].userPlugin) userpluginsCount++; else counter++;
    });

    return `${counter} (official)` + (userpluginsCount ? `, ${userpluginsCount} (userplugins)` : "");
}
function getDonorStatus() {
    return GuildMemberStore.getMember("1015060230222131221", UserStore.getCurrentUser().id).roles.includes("1042507929485586532");
}
function getContribStatus() {
    return GuildMemberStore.getMember("1015060230222131221", UserStore.getCurrentUser().id).roles.includes("1026534353167208489");
}

function humanFileSize(bytes, si = false, dp = 1) {
    const thresh = si ? 1000 : 1024;

    if (Math.abs(bytes) < thresh) {
        return bytes + " B";
    }

    const units = si
        ? ["kB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"]
        : ["KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB"];
    let u = -1;
    const r = 10 ** dp;

    do {
        bytes /= thresh;
        ++u;
    } while (Math.round(Math.abs(bytes) * r) / r >= thresh && u < units.length - 1);


    return bytes.toFixed(dp) + " " + units[u];
}

export default definePlugin({
    name: "venfetch",
    description: "neofetch for vencord",
    authors: [Devs.nin0dev],
    commands: [
        {
            name: "venfetch",
            description: "neofetch for vencord",
            inputType: ApplicationCommandInputType.BUILT_IN,
            execute: (args: Argument[], ctx: CommandContext) => {
                const { username } = UserStore.getCurrentUser();
                const info: Record<string, string | null> = {
                    version: `${VERSION} ~ ${gitHash}${SettingsPlugin.additionalInfo} - ${Intl.DateTimeFormat(navigator.language, { dateStyle: "medium" }).format(BUILD_TIMESTAMP)}`,
                    client: `${t(window.GLOBAL_ENV.RELEASE_CHANNEL)} ~ ${clientVersion()}`,
                    // @ts-ignore
                    platform: navigator.userAgentData?.platform ?? navigator.platform,
                    plugins: getEnabledPlugins(),
                    uptime: `${~~((Date.now() - uptime) / 1000)}s`,
                    // TODO: pr to vencord real and add to vencordnative
                    // memory: `${humanFileSize(VencordNative.memoryUsage().heapUsed)} / ${humanFileSize(VencordNative.memoryUsage().heapTotal)}`,
                    _: null,

                    donor: getDonorStatus() ? "yes" : "no",
                    contributor: getContribStatus() ? "yes" : null,

                    __: null,

                    __COLOR_TEST__: "███████████████████████████"

                    // electron web context, want to get total memory usage
                };

                const computed: [string, string | null][] = Object.entries(info).map(([key, value]) => [key, value]);

                let str = "";

                str += `${lines[0]}${" ".repeat(25 - lines[0].length)}${username}\n`;

                for (let i = 1; i < computed.length + 1; i++) {
                    const line = computed[i - 1];

                    if (lines[i]) {
                        str += `${lines[i]}`;

                        if (line && line[1] !== null && line[0] !== "__COLOR_TEST__") str += `${" ".repeat(25 - sanitised[i].length)}${t(line[0])}: ${line[1]}\n`;
                        else if (line[0] === "__COLOR_TEST__") str += line[0] + "\n"; else str += "\n";
                    } else {
                        if (line && line[1] !== null && line[0] !== "__COLOR_TEST__") str += `${" ".repeat(25)}${t(line[0])}: ${line[1]}\n`;
                        else if (line[0] === "__COLOR_TEST__") str += `${" ".repeat(25)}${line[1]}\n`; else str += "\n";
                    }
                }

                sendMessage(ctx.channel.id, {
                    content: `\`\`\`ansi\n${str}\n\`\`\``
                });
                return;
            }
        }
    ]
});

const t = (e: string) => e[0].toUpperCase() + e.slice(1);