/**
* TCG & Tabletop: Yugioh wiki plugin
* This is a command that allows users to search the yugioh wiki for cards. It will display the closest match with a given query, or a separate message if there isn't anything found.
* By bumbadadabum with help from ascriptmaster, codelegend and the PS development team.
*/

'use strict';

const http = require('http');

function apiRequest(url, onEnd, onError) {
	http.get(url, res => {
		let buffer = '';
		res.setEncoding('utf8');
		res.on('data', data => {
			buffer += data;
		});
		res.on('end', () => {
			onEnd(buffer);
		});
	}).on('error', err => {
		onEnd(err);
	});
}

function mediawikiSearch(domain, query) {
	return new Promise(function (resolve, reject) {
		apiRequest(`http://${domain}/w/api.php?action=query&list=search&format=json&srsearch=${encodeURIComponent(query)}&srwhat=nearmatch`, res => {
			let result;
			try {
				result = JSON.parse(res);
			} catch (e) {
				return reject(e);
			}
			if (!result) return reject(new Error("Malformed data"));
			if (!result.query || !result.query.search || !Array.isArray(result.query.search)) return reject(new Error("Malformed data"));
			if (!result.query.search.length) return reject(new Error("Not found"));
			if (typeof result.query.search[0] !== 'object') return reject(new Error("Malformed data"));

			return resolve(result.query.search[0]);
		}, reject);
	});
}

function wikiaSearch(subdomain, query) {
	return new Promise(function (resolve, reject) {
		apiRequest(`http://${subdomain}.wikia.com/api/v1/Search/List/?query=${encodeURIComponent(query)}&limit=1`, res => {
			let result;
			try {
				result = JSON.parse(res);
			} catch (e) {
				return reject(e);
			}
			if (!result) return reject(new Error("Malformed data"));
			if (result.exception) return reject(new Error(Dex.getString(result.exception.message) || "Not found"));
			if (!Array.isArray(result.items) || !result.items[0] || typeof result.items[0] !== 'object') return reject(new Error("Malformed data"));

			return resolve(result.items[0]);
		}, reject);
	});
}
function getCardDetails(subdomain, id) {
	return new Promise(function (resolve, reject) {
		apiRequest(`http://${subdomain}.wikia.com/api/v1/Articles/Details?ids=${encodeURIComponent(id)}&abstract=0&width=80&height=115`, res => {
			let result;
			try {
				result = JSON.parse(res);
			} catch (e) {
				return reject(e);
			}
			if (!result) return reject(new Error("Malformed data"));
			if (result.exception) return reject(new Error(Dex.getString(result.exception.message) || "Not found"));
			if (typeof result.items !== 'object' || !result.items[id] || typeof result.items[id] !== 'object') return reject(new Error("Malformed data"));

			return resolve(result.items[id]);
		}, reject);
	});
}

exports.commands = {
	ygo: 'yugioh',
	yugioh: function (target, room, user) {
		if (!this.canBroadcast()) return;
		if (room.id !== 'tcgtabletop') return this.errorReply("This command can only be used in the TCG & Tabletop room.");
		let subdomain = 'yugioh';
		let query = target.trim();

		wikiaSearch(subdomain, query).then(data => {
			if (!this.runBroadcast()) return;
			let entryUrl = Dex.getString(data.url);
			let entryTitle = Dex.getString(data.title);
			let id = Dex.getString(data.id);
			let htmlReply = `<strong>Best result for ${Chat.escapeHTML(query)}:</strong><br /><a href="${Chat.escapeHTML(entryUrl)}">${Chat.escapeHTML(entryTitle)}</a>`;
			if (id) {
				getCardDetails(subdomain, id).then(card => {
					let thumb = Dex.getString(card.thumbnail);
					if (thumb) {
						htmlReply = `<table><tr><td style="padding-right:5px;"><img src="${Chat.escapeHTML(thumb)}" width=80 height=115></td><td>${htmlReply}</td></tr></table>`;
					}
					if (!this.broadcasting) return this.sendReply(`|raw|<div class="infobox">${htmlReply}</div>`);
					room.addRaw(`<div class="infobox">${htmlReply}</div>`).update();
				}, () => {
					if (!this.broadcasting) return this.sendReply(`|raw|<div class="infobox">${htmlReply}</div>`);
					room.addRaw(`<div class="infobox">${htmlReply}</div>`).update();
				});
			} else {
				if (!this.broadcasting) return this.sendReply(`|raw|<div class="infobox">${htmlReply}</div>`);
				room.addRaw(`<div class="infobox">${htmlReply}</div>`).update();
			}
		}, err => {
			if (!this.runBroadcast()) return;

			if (err instanceof SyntaxError || err.message === 'Malformed data') {
				if (!this.broadcasting) return this.sendReply(`Error: Something went wrong in the request: ${err.message}`);
				return room.add(`Error: Something went wrong in the request: ${err.message}`).update();
			} else if (err.message === 'Not found') {
				if (!this.broadcasting) return this.sendReply('|raw|<div class="infobox">No results found.</div>');
				return room.addRaw('<div class="infobox">No results found.</div>').update();
			} else if (err.code === "ENOTFOUND") {
				if (!this.broadcasting) return this.sendReply("Error connecting to the yugioh wiki.");
				return room.add("Error connecting to the yugioh wiki.").update();
			}
			if (!this.broadcasting) return this.sendReply(`Error: ${err.message}`);
			return room.add(`Error: ${err.message}`).update();
		});
	},
	ptcg: function (target, room, user) {
		if (!this.canBroadcast()) return;
		if (room.id !== 'tcgtabletop') return this.errorReply("This command can only be used in the TCG & Tabletop room.");
		let domain = 'bulbapedia.bulbagarden.net';
		let query = `${target.trim()} (TCG)`;

		mediawikiSearch(domain, query).then(data => {
			if (!this.runBroadcast()) return;
			let snippet = Dex.getString(data.snippet);
			let page = Dex.getString(data.title);
			if (snippet.startsWith('#REDIRECT')) {
				let redir = /\[\[(.+)\]\]/.exec(snippet);
				if (redir) page = redir[1];
			}
			let htmlReply = `<strong>Best result for ${Chat.escapeHTML(target)}:</strong><br /><a href="http://${domain}/wiki/${encodeURIComponent(page)}">${Chat.escapeHTML(page)}</a>`;
			if (!this.broadcasting) return this.sendReply(`|raw|<div class="infobox">${htmlReply}</div>`);
			room.addRaw(`<div class="infobox">${htmlReply}</div>`).update();
		}, err => {
			if (!this.runBroadcast()) return;

			if (err instanceof SyntaxError || err.message === 'Malformed data') {
				if (!this.broadcasting) return this.sendReply(`Error: Something went wrong in the request: ${err.message}`);
				return room.add(`Error: Something went wrong in the request: ${err.message}`).update();
			} else if (err.message === 'Not found') {
				if (!this.broadcasting) return this.sendReply('|raw|<div class="infobox">No results found.</div>');
				return room.addRaw('<div class="infobox">No results found.</div>').update();
			} else if (err.code === "ENOTFOUND") {
				if (!this.broadcasting) return this.sendReply("Error connecting to bulbapedia.");
				return room.add("Error connecting to bulbapedia.").update();
			}
			if (!this.broadcasting) return this.sendReply(`Error: ${err.message}`);
			return room.add(`Error: ${err.message}`).update();
		});
	},
};