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 {
    static var Bot:DiscordClient;
	static var settings:Dynamic;
	static var botInfo:Dynamic;
	static var iceRegex:EReg = ~/\bicc?ed?\b/i;

    static function main() {

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

		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);
		}

		// 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 <#${m.channel_id}>'}, false);
							}
						}
					// System for WIP commands that only work in testing server
					case "wipcommand":
						if (m.guild_id == settings.devserver) {
							m.reply({content:"Dev Server response."}, true);
						}
					// Basic response commands
					case "chk":
						m.reply({content:'<@${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<insert randomized hug image here>'}, 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;
			var msg = "";
			//events
			switch (Date.now().getDay()) {
				case 0: // Sunday
					msg = "Sunday Event.";
				case 1: // Monday
					msg = "Monday Event.";
				case 2: // Tuesday
					msg = "Tuesday Event.";
				case 3: // Wednesday
					msg = "Wednesday Event.";
				case 4: // Thursday
					msg = "Thursday Event.";
				case 5: // Friday
					msg = "Friday Event.";
				case 6: // Saturday
					msg = "Saturday Event.";
			}

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

			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);
	}
}