// Modules
const { SlashCommandBuilder } = require('discord.js');
const { DebugBuilder } = require("../utilities/debugBuilder");
const { getAllClientIds, getKeyByArrayValue, filterAutocompleteValues } = require("../utilities/utils");
const { requestOptions, sendHttpRequest } = require("../utilities/httpRequests");
const { checkNodeConnectionByClientId, removeNodeConnectionByNodeId, getAllConnections } = require('../utilities/mysqlHandler');

// Global Vars
const log = new DebugBuilder("server", "leave");

/**
 * 
 * @param {*} clientIdObject The client ID object for the node to leave the server. Either 'clientId'||'name' can be set.
 * @returns 
 */
async function leaveServerWrapper(clientIdObject) {
	if (!clientIdObject.clientId || !clientIdObject.name) return log.ERROR("Tried to leave server without client ID and/or Name");

	const node = await checkNodeConnectionByClientId(clientIdObject);
	
	reqOptions = new requestOptions("/bot/leave", "POST", node.ip, node.port);

	const responseObj = await new Promise((recordResolve, recordReject) => {
		sendHttpRequest(reqOptions, JSON.stringify({}), async (responseObj) => {
			recordResolve(responseObj);
		});
	});	

	log.VERBOSE("Response Object from node ", node, responseObj);
	if (!responseObj || !responseObj.statusCode == 202) return false;		
	// Node has disconnected from discor
	// Removing the node connection from the DB
	const removedConnection = removeNodeConnectionByNodeId(node.id);
	log.DEBUG("Removed Node Connection: ", removedConnection);

	return;
}
exports.leaveServerWrapper = leaveServerWrapper;

module.exports = {
	data: new SlashCommandBuilder()
		.setName('leave')
		.setDescription('Disconnect a bot from the server')
		.addStringOption(option => 
			option.setName("bot")
			.setDescription("The bot to disconnect from the server")
			.setAutocomplete(true)
			.setRequired(true)),
	example: "leave",
	isPrivileged: false,
	requiresTokens: false,
	defaultTokenUsage: 0,
	deferInitialReply: true,
	async autocomplete(interaction) {		
		const connections = await getAllConnections();
		const options = connections.map(conn => conn.clientObject.name);
		await filterAutocompleteValues(interaction, options);
	},
	async execute(interaction) {
		try{			
			const botName = interaction.options.getString('bot');
			log.DEBUG("Bot Name: ", botName)			
			const clinetIds = await getAllClientIds();
			log.DEBUG("Client names: ", clinetIds);
			const clientDiscordId = getKeyByArrayValue(clinetIds, {'name': botName});
			log.DEBUG("Selected bot: ", clinetIds[clientDiscordId]);
			// Need to create a table in DB to keep track of what bots have what IDs or an endpoint on the clients to return what ID they are running with
			await leaveServerWrapper(clinetIds[clientDiscordId]);
			
			await interaction.editReply(`**${clinetIds[clientDiscordId].name}** has been disconnected`);  // This will reply to the initial interaction
			//await interaction.channel.send('**word.**'); // This will send a message to the channel of the interaction outside of the initial reply
		}catch(err){
			log.ERROR(err)
            //await interaction.reply(err.toString());
		}
	}
}