import 'reflect-metadata';

const log = console.log;
import { BotCommand, BotPlugin } from 'psyduck-contracts';
import { BotOptions } from './BotOptions';
import { HelpCommand } from '../commands/Help';
import * as Discord from 'discord.js';
import Chalk from 'chalk';
import CommandHandler from '../plugins/commands/CommandHandler';
import fs from 'fs';
import LoggerPlugin from '../plugins/logger/LoggerPlugin';

class Bot {
    private client: Discord.Client;
    private commandHandler: CommandHandler;
    private discordToken: string;
    private helpCommand?: string;
    private plugins: Array<BotPlugin>;

    constructor(options: BotOptions) {
        this.commandHandler = new CommandHandler();
        this.discordToken = options.Token;
        this.helpCommand = options.HelpCommand;

        // Initialize with included plugins
        this.plugins = [LoggerPlugin, this.commandHandler];
        // Register included commands
        this.registerCommand(new HelpCommand(this.helpCommand));

        this.client = new Discord.Client();

        this.startClient();
    }
    addPlugin(plugin: BotPlugin): Bot {
        this.plugins.push(plugin);
        return this;
    }
    addPlugins(...plugins: BotPlugin[]) {
        this.plugins.push(...plugins);
    }
    onMessage(message: Discord.Message) {
        this.plugins.forEach(plugin => {
            plugin.onMessage(message);
        });
    }
    registerCommand(command: BotCommand) {
        if (!command) {
            log(Chalk.black.bgRedBright('Unable to register null command'));
        }
        else if (!command.commandPrefix || command.commandPrefix.length === 0) {
            log(Chalk.black.bgRedBright('Unable to register command without a prefix'));
        }
        else if (!command.commandCodes || command.commandCodes.length === 0) {
            log(Chalk.black.bgRedBright('Unable to register command without command codes'));
        }
        else {
            this.commandHandler.registerCommand(command);
        }
    }
    async startClient() {
        try {
            await this.client.login(this.discordToken);
            this.client.on('message', message => this.onMessage(message));
        } catch (error) {
        }
    }
}

export { Bot };
export { Bot as Client };