/**
 * BetterDiscord Plugin Api
 * Copyright (c) 2015-present Jiiks/JsSucks - https://github.com/Jiiks / https://github.com/JsSucks
 * All rights reserved.
 * https://betterdiscord.net
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
*/

import { Utils, ClientLogger as Logger, ClientIPC } from 'common';
import Settings from './settings';
import ExtModuleManager from './extmodulemanager';
import PluginManager from './pluginmanager';
import ThemeManager from './thememanager';
import Events from './events';
import { Modals, DOM } from 'ui';
import SettingsModal from '../ui/components/bd/modals/SettingsModal.vue';

class EventsWrapper {
    constructor(eventemitter) {
        this.__eventemitter = eventemitter;
    }

    get eventSubs() {
        return this._eventSubs || (this._eventSubs = []);
    }

    subscribe(event, callback) {
        if (this.eventSubs.find(e => e.event === event && e.callback === callback)) return;
        this.eventSubs.push({
            event,
            callback
        });
        this.__eventemitter.on(event, callback);
    }

    unsubscribe(event, callback) {
        for (let index of this.eventSubs) {
            if (this.eventSubs[index].event !== event || (callback && this.eventSubs[index].callback === callback)) return;
            this.__eventemitter.off(event, this.eventSubs[index].callback);
            this.eventSubs.splice(index, 1);
        }
    }

    unsubscribeAll() {
        for (let event of this.eventSubs) {
            this.__eventemitter.off(event.event, event.callback);
        }
        this._eventSubs = [];
    }
}

export default class PluginApi {

    constructor(pluginInfo) {
        this.pluginInfo = pluginInfo;
        this.Events = new EventsWrapper(Events);
    }

    get plugin() {
        return PluginManager.getPluginById(this.pluginInfo.id || this.pluginInfo.name.toLowerCase().replace(/[^a-zA-Z0-9-]/g, '-').replace(/--/g, '-'));
    }

    loggerLog(...message) { Logger.log(this.pluginInfo.name, message) }
    loggerErr(...message) { Logger.err(this.pluginInfo.name, message) }
    loggerWarn(...message) { Logger.warn(this.pluginInfo.name, message) }
    loggerInfo(...message) { Logger.info(this.pluginInfo.name, message) }
    loggerDbg(...message) { Logger.dbg(this.pluginInfo.name, message) }
    get Logger() {
        return {
            log: this.loggerLog.bind(this),
            err: this.loggerErr.bind(this),
            warn: this.loggerWarn.bind(this),
            info: this.loggerInfo.bind(this),
            dbg: this.loggerDbg.bind(this)
        };
    }

    get Utils() {
        return {
            overload: () => Utils.overload.apply(Utils, arguments),
            tryParseJson: () => Utils.tryParseJson.apply(Utils, arguments),
            toCamelCase: () => Utils.toCamelCase.apply(Utils, arguments),
            compare: () => Utils.compare.apply(Utils, arguments),
            deepclone: () => Utils.deepclone.apply(Utils, arguments)
        };
    }

    getInternalSetting(set, category, setting) {
        return Settings.get(set, category, setting);
    }
    get InternalSettings() {
        return {
            get: this.getInternalSetting.bind(this)
        };
    }

    get injectedStyles() {
        return this._injectedStyles || (this._injectedStyles = []);
    }
    compileSass(scss, options) {
        return ClientIPC.send('bd-compileSass', Object.assign({ data: scss }, options));
    }
    getConfigAsSCSS(settingsset) {
        return ThemeManager.getConfigAsSCSS(settingsset ? settingsset : this.plugin.settings);
    }
    injectStyle(id, css) {
        if (id && !css) css = id, id = undefined;
        this.deleteStyle(id);
        const styleid = `plugin-${this.getPlugin().id}-${id}`;
        this.injectedStyles.push(styleid);
        DOM.injectStyle(css, styleid);
    }
    async injectSass(id, scss, options) {
        // In most cases a plugin's styles should be precompiled instead of using this
        if (id && !scss && !options) scss = id, id = undefined;
        const css = (await this.compileSass(scss, options)).css.toString();
        this.injectStyle(id, css, options);
    }
    deleteStyle(id) {
        const styleid = `plugin-${this.getPlugin().id}-${id}`;
        this.injectedStyles.splice(this.injectedStyles.indexOf(styleid), 1);
        DOM.deleteStyle(styleid);
    }
    deleteAllStyles(id, css) {
        for (let id of this.injectedStyles) {
            this.deleteStyle(id);
        }
    }
    get CssUtils() {
        return {
            compileSass: this.compileSass.bind(this),
            getConfigAsSCSS: this.getConfigAsSCSS.bind(this),
            injectStyle: this.injectStyle.bind(this),
            injectSass: this.injectSass.bind(this),
            deleteStyle: this.deleteStyle.bind(this),
            deleteAllStyles: this.deleteAllStyles.bind(this)
        };
    }

    get modalStack() {
        return this._modalStack || (this._modalStack = []);
    }
    addModal(_modal, component) {
        const modal = Modals.add(_modal, component);
        modal.close = force => this.closeModal(modal, force);
        this.modalStack.push(modal);
        return modal;
    }
    async closeModal(modal, force) {
        await Modals.close(modal, force);
        this._modalStack = this.modalStack.filter(m => m !== modal);
    }
    closeAllModals() {
        for (let modal of this.modalStack)
            modal.close();
    }
    closeLastModal() {
        if (!this.modalStack.length) return;
        this.modalStack[this.modalStack.length - 1].close();
    }
    settingsModal(settingsset, headertext, options) {
        return this.addModal(Object.assign({
            headertext: headertext ? headertext : settingsset.headertext,
            settings: settingsset,
            schemes: settingsset.schemes
        }, options), SettingsModal);
    }
    get Modals() {
        return Object.defineProperty({
            add: this.addModal.bind(this),
            close: this.closeModal.bind(this),
            closeAll: this.closeAllModals.bind(this),
            closeLast: this.closeLastModal.bind(this),
            settings: this.settingsModal.bind(this)
        }, 'stack', {
            get: () => this.modalStack
        });
    }

    async getPlugin(plugin_id) {
        // This should require extra permissions
        return await PluginManager.waitForPlugin(plugin_id);
    }
    listPlugins(plugin_id) {
        return PluginManager.localContent.map(plugin => plugin.id);
    }
    get Plugins() {
        return {
            getPlugin: this.getPlugin.bind(this),
            listPlugins: this.listPlugins.bind(this)
        };
    }

    async getTheme(theme_id) {
        // This should require extra permissions
        return await ThemeManager.waitForContent(theme_id);
    }
    listThemes(plugin_id) {
        return ThemeManager.localContent.map(theme => theme.id);
    }
    get Themes() {
        return {
            getTheme: this.getTheme.bind(this),
            getThemes: this.listThemes.bind(this)
        };
    }

    async bridge(plugin_id) {
        const plugin = await PluginManager.waitForPlugin(plugin_id);
        return plugin.bridge;
    }

    get require() { return this.import }
    import(m) {
        const module = ExtModuleManager.findModule(m);
        if (module && module.__require) return module.__require;
        return null;
    }

}