import hxdiscord.DiscordClient;
import hxdiscord.types.*;
import hxdiscord.endpoints.Endpoints;
import haxe.MainLoop;
import haxe.Json;
import sys.io.File;
import sys.FileSystem;
using StringTools;

class Onequestionmark {
    // Initialize vars
	static var Bot:DiscordClient;
	static var settings:Dynamic;
	static var botInfo:Dynamic;
	static var iceRegex:EReg = ~/\bicc?ed?\b/i;
	static var hugDB:Array<String>;
	static var motdDB:Dynamic;

    static function main() {

		Sys.println('[${timestamp()}] Starting onequestionmark-chat');

		// Load files
		if (FileSystem.exists("settings.json")) {
			Sys.println('[${timestamp()}] Found settings.json, loading');
			settings = Json.parse(File.getContent("settings.json"));
		} else {
			Sys.println('[${timestamp()}] Did not find settings.json, exiting');
			Sys.exit(0);
		}

		if (FileSystem.exists("hug-db.json")) {
			Sys.println('[${timestamp()}] Found hug-db.json, loading');
			hugDB = Json.parse(File.getContent("hug-db.json"));
		} else {
			Sys.println('[${timestamp()}] Did not find hug-db.json, skipping');
			hugDB = ["https://cdn.discordapp.com/attachments/270113422232911883/445026464623099907/brohugbump.gif"]; // Fallback
		}

		if (FileSystem.exists("motd-db.json")) {
			Sys.println('[${timestamp()}] Found motd-db.json, loading');
			motdDB = Json.parse(File.getContent("motd-db.json"));
		} else {
			Sys.println('[${timestamp()}] Did not find motd-db.json, skipping');
			motdDB = {"sunday": [],"monday": [],"tuesday": [],"wednesday": [],"thursday": [],"friday": [],"saturday": []}; // Fallback
		}

		// Start the bot
        Bot = new DiscordClient(settings.token, [3276799], settings.debug);
        Bot.onReady = onReady;
        Bot.onMessageCreate = onMessageCreate;
		botInfo = Endpoints.getCurrentUser();

		MainLoop.add(motd);
    }

    public static function onReady() {
		Sys.println('[${timestamp()}] Bot is online');
		//Endpoints.sendMessage(settings.devchannel, {content:"onequestionmark-chat alpha test is now running"}, null, false);
    }

    public static function onMessageCreate(m:Message) {
		// DevMode check
        if ((!settings.devmode) || (m.guild_id == settings.devserver)) {
			var msg = m.content;

			// Command processor
			if (msg.charAt(0) == "?") {
				var command = "";

				if (msg.indexOf(" ") != -1) {
					// Separate command from rest of message, if necessary
					command = msg.substring(1, msg.indexOf(" ")).toLowerCase();
					msg = msg.substring(msg.indexOf(" ")+1);
				} else {
					// Otherwise, remove msg
					command = msg.substring(1).toLowerCase();
					msg = "";
				}

				switch (command) {
					// Commands that require authorization
					case "quit":
						if (m.author.id == settings.botowner) {
							m.reply({content:"Shutdown command received from botowner, exiting."}, false);
							Sys.println('[${timestamp()}] Shutdown command received from botowner, exiting');
							shutdown();
						}
					case "devmode":
						if (m.author.id == settings.botowner) {
							if (!settings.devmode) {
								settings.devmode = true;
								m.reply({content:"DevMode enabled."}, false);
							} else {
								settings.devmode = false;
								m.reply({content:"DevMode disabled."}, false);
							}
						}
					case "motd":
						if (m.author.id == settings.botowner) {
							if (!settings.motd.channels.contains(m.channel_id)) {
								settings.motd.channels.push(m.channel_id);
								m.reply({content:'MOTD has been enabled for <#${m.channel_id}>'}, false);
							} else {
								settings.motd.channels.remove(m.channel_id);
								m.reply({content:'MOTD has been disabled for <#${m.channel_id}>'}, false);
							}
							saveSettings();
						}
					// System for WIP commands that only work in testing server
					case "wipcommand":
						if (m.guild_id == settings.devserver) {
							m.reply({content:"Dev Server response."}, true);
						}
					// Basic response commands
					case "help":
						m.reply({content:'
						**onequestionmark bot commands**\n`?chk`: ack\n`?slap <target>`: The classic mIRC troutslap.\n`?hug <target (optional)>`: Posts randomized hug image.\n`?angery`\n`?subway`\n`?motd`: Enables MOTD for current channel (requires auth)\n`?devmode`: Toggles Dev Mode (requires auth)\n`?quit`: Shutdown command (requires auth)\n**Non-command bot functions:**\n*MOTD*: Bot will post a randomized *Meme of the Day* in enabled channels.\n*Icce*: Bot provides users with ice cuboids.\n*Meteor*: Bot reacts to falling rocks in the chat.'}, false);
					case "chk":
						m.reply({content:'<@${m.author.id}>: ack'}, false);
					case "slap":
						if (msg.length != 0) {m.reply({content:'*onequestionmark slaps ${msg} around a bit with a large trout*'}, false);}
					case "angery":
						m.reply({content:"https://cdn.discordapp.com/attachments/1071547517847732305/1079518504413311108/angery.jpg"}, false);
					case "subway":
						m.reply({content:"https://www.youtube.com/watch?v=y3VRXVvr6XU"}, false);
					// Image database commands
					case "hug":
						m.reply({content:'🫂 *hugs ${msg}*\n${hugDB[randInt(0, hugDB.length-1)]}'}, false);
				}
			}

			// Non-command responses
			if ((msg.charAt(0) == ".") && (msg.length == 1)) {m.reply({content:"omg a meteor"}, true);}
			if ((iceRegex.match(msg)) && (m.author.id != botInfo.id)) {m.reply({content:"Did some carbon-based lifeform just say **I C E**?"});}
		}
    }

	// Time-related functions
	public static function timestamp() {
		return '${StringTools.lpad(Std.string(Date.now().getHours()), "0", 2)}:${StringTools.lpad(Std.string(Date.now().getMinutes()), "0", 2)}';
	}

	public static function datestamp() {
		return '${StringTools.lpad(Std.string(Date.now().getMonth()+1), "0", 2)}-${StringTools.lpad(Std.string(Date.now().getDate()), "0", 2)}';
	}

	public static function motd() {
		if (settings.motd.date != datestamp()) {
			settings.motd.date = datestamp();
			settings.motd.posted = false;
		}
	
		if ((settings.motd.posted == false) && (Date.now().getHours() >= settings.motd.time)) {
			settings.motd.posted = true;
			saveSettings();

			var msg = "";
			var day:Array<String> = [];
			//events
			switch (Date.now().getDay()) {
				case 0: // Sunday
					day = motdDB.sunday;
				case 1: // Monday
					day = motdDB.monday;
				case 2: // Tuesday
					day = motdDB.tuesday;
				case 3: // Wednesday
					day = motdDB.wednesday;
				case 4: // Thursday
					day = motdDB.thursday;
				case 5: // Friday
					day = motdDB.friday;
				case 6: // Saturday
					day = motdDB.saturday;
			}

			if (day.length > 0) {msg = day[randInt(0, day.length-1)];}

			var channels:Array<String> = settings.motd.channels; // Because it won't let me do this directly

			if (channels.length > 0) {for (i in channels) {if (msg.length > 0) {Endpoints.sendMessage(i, {content:msg}, null, false);}}}
		}
	}

	// General functions
	public static function randInt(x, y) {
		// Return a random integer between x and y, both inclusive
		return Std.random((y+1)-x)+x;
	}

	public static function saveSettings() {
		File.saveContent("settings.json", Json.stringify(settings, "\t"));
	}

	public static function shutdown() {
		saveSettings();
		Sys.exit(0);
	}
}