/* The Artificer was built in memory of Babka
 * With love, Ean
 *
 * December 21, 2020
 */

import config from "./config.ts";
import { DEBUG, LOCALMODE } from "./flags.ts";
import {
	// Discordeno deps
	startBot, editBotStatus, editBotNickname,
	Intents,
	sendMessage,
	cache, botId,
	DiscordActivityTypes, DiscordenoGuild, DiscordenoMessage,
} from "./deps.ts";
import api from "./src/api.ts";
import commands from "./src/commands/_index.ts";
import intervals from "./src/intervals.ts";
import utils from "./src/utils.ts";
import { LogTypes as LT } from "./src/utils.enums.ts";

// Initialize logging client with folder to use for logs, needs --allow-write set on Deno startup
utils.initLog("logs");

// Start up the Discord Bot
startBot({
	token: LOCALMODE ? config.localtoken : config.token,
	intents: [Intents.GuildMessages, Intents.DirectMessages, Intents.Guilds],
	eventHandlers: {
		ready: () => {
			utils.log(LT.INFO, `${config.name} Logged in!`);
			editBotStatus({
				activities: [{
					name: "Booting up . . .",
					type: DiscordActivityTypes.Game,
					createdAt: new Date().getTime()
				}],
				status: "online"
			});

			// Interval to rotate the status text every 30 seconds to show off more commands
			setInterval(async () => {
				utils.log(LT.LOG, "Changing bot status");
				try {
					// Wrapped in try-catch due to hard crash possible
					editBotStatus({
						activities: [{
							name: await intervals.getRandomStatus(),
							type: DiscordActivityTypes.Game,
							createdAt: new Date().getTime()
						}],
						status: "online"
					});
				} catch (e) {
					utils.log(LT.ERROR, `Failed to update status: ${JSON.stringify(e)}`);
				}
			}, 30000);

			// Interval to update bot list stats every 24 hours
			LOCALMODE ? utils.log(LT.INFO, "updateListStatistics not running") : setInterval(() => {
				utils.log(LT.LOG, "Updating all bot lists statistics");
				intervals.updateListStatistics(botId, cache.guilds.size);
			}, 86400000);

			// setTimeout added to make sure the startup message does not error out
			setTimeout(() => {
				LOCALMODE && editBotNickname(config.devServer, `LOCAL - ${config.name}`);
				LOCALMODE ? utils.log(LT.INFO, "updateListStatistics not running") : intervals.updateListStatistics(botId, cache.guilds.size);
				editBotStatus({
					activities: [{
						name: "Booting Complete",
						type: DiscordActivityTypes.Game,
						createdAt: new Date().getTime()
					}],
					status: "online"
				});
				sendMessage(config.logChannel, `${config.name} has started, running version ${config.version}.`).catch(e => {
					utils.log(LT.ERROR, `Failed to send message: ${JSON.stringify(e)}`);
				});
			}, 1000);
		},
		guildCreate: (guild: DiscordenoGuild) => {
			utils.log(LT.LOG, `Handling joining guild ${JSON.stringify(guild)}`);
			sendMessage(config.logChannel, `New guild joined: ${guild.name} (id: ${guild.id}). This guild has ${guild.memberCount} members!`).catch(e => {
				utils.log(LT.ERROR, `Failed to send message: ${JSON.stringify(e)}`);
			});
		},
		guildDelete: (guild: DiscordenoGuild) => {
			utils.log(LT.LOG, `Handling leaving guild ${JSON.stringify(guild)}`);
			sendMessage(config.logChannel, `I have been removed from: ${guild.name} (id: ${guild.id}).`).catch(e => {
				utils.log(LT.ERROR, `Failed to send message: ${JSON.stringify(e)}`);
			});
		},
		debug: dmsg => utils.log(LT.LOG, `Debug Message | ${JSON.stringify(dmsg)}`),
		messageCreate: (message: DiscordenoMessage) => {
			// Ignore all other bots
			if (message.isBot) return;
			
			// Ignore all messages that are not commands
			if (message.content.indexOf(config.prefix) !== 0) return;
			
			utils.log(LT.LOG, `Handling message ${JSON.stringify(message)}`);

			// Split into standard command + args format
			const args = message.content.slice(config.prefix.length).trim().split(/[ \n]+/g);
			const command = args.shift()?.toLowerCase();

			// All commands below here

			// [[ping
			// Its a ping test, what else do you want.
			if (command === "ping") {
				commands.ping(message);
			}

			// [[rip [[memory
			// Displays a short message I wanted to include
			else if (command === "rip" || command === "memory") {
				commands.rip(message);
			}

			// [[rollhelp or [[rh or [[hr or [[??
			// Help command specifically for the roll command
			else if (command === "rollhelp" || command === "rh" || command === "hr" || command === "??" || command?.startsWith("xdy")) {
				commands.rollHelp(message);
			}

			// [[help or [[h or [[?
			// Help command, prints from help file
			else if (command === "help" || command === "h" || command === "?") {
				commands.help(message);
			}

			// [[info or [[i
			// Info command, prints short desc on bot and some links
			else if (command === "info" || command === "i") {
				commands.info(message);
			}

			// [[privacy
			// Privacy command, prints short desc on bot's privacy policy
			else if (command === "privacy") {
				commands.privacy(message);
			}

			// [[version or [[v
			// Returns version of the bot
			else if (command === "version" || command === "v") {
				commands.version(message);
			}

			// [[report or [[r (command that failed)
			// Manually report a failed roll
			else if (command === "report" || command === "r") {
				commands.report(message, args);
			}

			// [[stats or [[s
			// Displays stats on the bot
			else if (command === "stats" || command === "s") {
				commands.stats(message);
			}

			// [[api arg
			// API sub commands
			else if (command === "api") {
				commands.api(message, args);
			}

			// [[roll]]
			// Dice rolling commence!
			else if (command && (`${command}${args.join("")}`).indexOf(config.postfix) > -1) {
				commands.roll(message, args, command);
			}

			// [[emoji or [[emojialias
			// Check if the unhandled command is an emoji request
			else if (command) {
				commands.emoji(message, command);
			}
		}
	}
});

// Start up the command prompt for debug usage
if (DEBUG) {
	utils.cmdPrompt(config.logChannel, config.name);
}

// Start up the API for rolling from third party apps (like excel macros)
if (config.api.enable) {
	api.start();
}