/*
 * Vencord, a Discord client mod
 * Copyright (c) 2025 Vendicated and contributors
 * SPDX-License-Identifier: GPL-3.0-or-later
 */

import { Settings } from "@api/Settings";
import {
    BackupAndRestoreTab,
    ChangelogTab,
    CloudTab,
    PatchHelperTab,
    PluginsTab,
    UpdaterTab,
    VencordTab,
} from "@components/settings";
import ThemesTab from "@components/ThemeSettings/ThemesTab";
import { Devs } from "@utils/constants";
import { getIntlMessage } from "@utils/discord";
import definePlugin, { OptionType } from "@utils/types";
import { shortGitHash } from "@utils/updater";
import { React } from "@webpack/common";

type SectionType = "HEADER" | "DIVIDER" | "CUSTOM";
type SectionTypes = Record<SectionType, SectionType>;

export default definePlugin({
    name: "Settings",
    description: "Adds Settings UI and debug info",
    authors: [Devs.Ven, Devs.Megu],
    required: true,

    patches: [
        {
            find: ".versionHash",
            replacement: [
                {
                    match: /\.info.+?\[\(0,\i\.jsxs?\)\((.{1,10}),(\{[^{}}]+\{.{0,20}.versionHash,.+?\})\)," "/,
                    replace: (m, component, props) => {
                        props = props.replace(/children:\[.+\]/, "");
                        return `${m},$self.makeInfoElements(${component}, ${props})`;
                    },
                },
                {
                    match: /copyValue:\i\.join\(" "\)/,
                    replace: "$& + $self.getInfoString()",
                },
            ],
        },
        {
            find: ".SEARCH_NO_RESULTS&&0===",
            replacement: [
                {
                    match: /(?<=section:(.{0,50})\.DIVIDER\}\))([,;])(?=.{0,200}(\i)\.push.{0,100}label:(\i)\.header)/,
                    replace: (
                        _,
                        sectionTypes,
                        commaOrSemi,
                        elements,
                        element,
                    ) =>
                        `${commaOrSemi} $self.addSettings(${elements}, ${element}, ${sectionTypes}) ${commaOrSemi}`,
                },
                {
                    match: /({(?=.+?function (\i).{0,160}(\i)=\i\.useMemo.{0,140}return \i\.useMemo\(\(\)=>\i\(\3).+?\(\)=>)\2/,
                    replace: (_, rest, settingsHook) =>
                        `${rest}$self.wrapSettingsHook(${settingsHook})`,
                },
            ],
        },
        {
            find: ".DEVELOPER_SECTION,",
            replacement: [
                {
                    match: /\i\.\i\.isDeveloper/,
                    replace: "true"
                },
            ]
        },
        {
            find: "#{intl::USER_SETTINGS_ACTIONS_MENU_LABEL}",
            replacement: {
                match: /(?<=function\((\i),\i\)\{)(?=let \i=Object.values\(\i.\i\).*?(\i\.\i)\.open\()/,
                replace: "$2.open($1);return;",
            },
        },
    ],

    customSections: [] as ((SectionTypes: SectionTypes) => any)[],

    makeSettingsCategories(SectionTypes: SectionTypes) {
        return [
            {
                section: SectionTypes.HEADER,
                label: "Equicord",
                className: "vc-settings-header",
            },
            {
                section: "EquicordSettings",
                label: "Equicord",
                element: VencordTab,
                className: "vc-settings",
            },
            {
                section: "EquicordPlugins",
                label: "Plugins",
                searchableTitles: ["Plugins"],
                element: PluginsTab,
                className: "vc-plugins",
            },
            {
                section: "EquicordThemes",
                label: "Themes",
                searchableTitles: ["Themes"],
                element: ThemesTab,
                className: "vc-themes",
            },
            !IS_UPDATER_DISABLED && {
                section: "EquicordUpdater",
                label: "Updater",
                searchableTitles: ["Updater"],
                element: UpdaterTab,
                className: "vc-updater",
            },
            {
                section: "EquicordChangelog",
                label: "Changelog",
                searchableTitles: ["Changelog"],
                element: ChangelogTab,
                className: "vc-changelog",
            },
            {
                section: "EquicordCloud",
                label: "Cloud",
                searchableTitles: ["Cloud"],
                element: CloudTab,
                className: "vc-cloud",
            },
            {
                section: "settings/tabsSync",
                label: "Backup & Restore",
                searchableTitles: ["Backup & Restore"],
                element: BackupAndRestoreTab,
                className: "vc-backup-restore",
            },
            IS_DEV && {
                section: "EquicordPatchHelper",
                label: "Patch Helper",
                searchableTitles: ["Patch Helper"],
                element: PatchHelperTab,
                className: "vc-patch-helper",
            },
            ...this.customSections.map(func => func(SectionTypes)),
            {
                section: SectionTypes.DIVIDER,
            },
        ].filter(Boolean);
    },

    isRightSpot({
        header,
        settings,
    }: {
        header?: string;
        settings?: string[];
    }) {
        const firstChild = settings?.[0];
        // lowest two elements... sanity backup
        if (firstChild === "LOGOUT" || firstChild === "SOCIAL_LINKS")
            return true;

        const { settingsLocation } = Settings.plugins.Settings;

        if (settingsLocation === "bottom") return firstChild === "LOGOUT";
        if (settingsLocation === "belowActivity")
            return firstChild === "CHANGELOG";

        if (!header) return;

        try {
            const names = {
                top: getIntlMessage("USER_SETTINGS"),
                aboveNitro: getIntlMessage("BILLING_SETTINGS"),
                belowNitro: getIntlMessage("APP_SETTINGS"),
                aboveActivity: getIntlMessage("ACTIVITY_SETTINGS"),
            };

            if (
                !names[settingsLocation] ||
                names[settingsLocation].endsWith("_SETTINGS")
            )
                return firstChild === "PREMIUM";

            return header === names[settingsLocation];
        } catch {
            return firstChild === "PREMIUM";
        }
    },

    patchedSettings: new WeakSet(),

    addSettings(
        elements: any[],
        element: { header?: string; settings: string[]; },
        sectionTypes: SectionTypes,
    ) {
        if (this.patchedSettings.has(elements) || !this.isRightSpot(element))
            return;

        this.patchedSettings.add(elements);

        elements.push(...this.makeSettingsCategories(sectionTypes));
    },

    wrapSettingsHook(
        originalHook: (...args: any[]) => Record<string, unknown>[],
    ) {
        return (...args: any[]) => {
            const elements = originalHook(...args);
            if (!this.patchedSettings.has(elements))
                elements.unshift(
                    ...this.makeSettingsCategories({
                        HEADER: "HEADER",
                        DIVIDER: "DIVIDER",
                        CUSTOM: "CUSTOM",
                    }),
                );

            return elements;
        };
    },

    options: {
        settingsLocation: {
            type: OptionType.SELECT,
            description: "Where to put the Equicord settings section",
            options: [
                { label: "At the very top", value: "top" },
                { label: "Above the Nitro section", value: "aboveNitro", default: true },
                { label: "Below the Nitro section", value: "belowNitro" },
                { label: "Above Activity Settings", value: "aboveActivity" },
                { label: "Below Activity Settings", value: "belowActivity" },
                { label: "At the very bottom", value: "bottom" },
            ],
        },
    },

    get electronVersion() {
        return (
            VencordNative.native.getVersions().electron ||
            window.legcord?.electron ||
            null
        );
    },

    get chromiumVersion() {
        try {
            return (
                VencordNative.native.getVersions().chrome ||
                // @ts-expect-error Typescript will add userAgentData IMMEDIATELY
                navigator.userAgentData?.brands?.find(
                    b =>
                        b.brand === "Chromium" || b.brand === "Google Chrome",
                )?.version ||
                null
            );
        } catch {
            // inb4 some stupid browser throws unsupported error for navigator.userAgentData, it's only in chromium
            return null;
        }
    },

    getVersionInfo(support = true) {
        let version = "";

        if (IS_DEV) version = "Dev";
        if (IS_WEB) version = "Web";
        if (IS_VESKTOP) version = `Vesktop v${VesktopNative.app.getVersion()}`;
        if (IS_EQUIBOP) version = `Equibop v${VesktopNative.app.getVersion()}`;
        if (IS_STANDALONE) version = "Standalone";

        return support && version ? ` (${version})` : version;
    },

    getInfoRows() {
        const { electronVersion, chromiumVersion, getVersionInfo } = this;

        const rows = [`Equicord ${shortGitHash()}${getVersionInfo()}`];

        if (electronVersion) rows.push(`Electron ${electronVersion}`);
        if (chromiumVersion) rows.push(`Chromium ${chromiumVersion}`);

        return rows;
    },

    getInfoString() {
        return "\n" + this.getInfoRows().join("\n");
    },

    makeInfoElements(
        Component: React.ComponentType<React.PropsWithChildren>,
        props: React.PropsWithChildren,
    ) {
        return this.getInfoRows().map((text, i) => (
            <Component key={i} {...props}>
                {text}
            </Component>
        ));
    },
});