const { Listener } = require('discord-akairo');
const rand = require('../../rand.js');
const Sequelize = require('sequelize');
const safe = require('safe-regex');
// Database
const Tag = require('../../models').Tag;
const autoResponse = require('../../models').autoresponse;
const autoResponseStat = require('../../models').autoresponseStat;
const BannedWords = require('../../models').bannedWords;
const WhitelistWord = require('../../models').whitelistWord;
const quotationStat = require('../../models').quotationStat;
const userBlacklist = require('../../models').userBlacklist;


class messageListener extends Listener {
	constructor() {
		super('message', {
			emitter: 'client',
			event: 'message'
		});
	}

	async exec(message) {	
		const blacklist = await userBlacklist.findOne({where: {userID:message.author.id}});

		if (blacklist) return;

		if (message.partial) {
			await message.fetch()
				.catch(() => {
					return;
				});
		}

		if (message.author.bot) return;

		/*	Banned words section
		*	
		*	This section contains code about the banned words features	
		*
		*/

		// Banned words
		const bannedWords = await BannedWords.findAll({where: {word: Sequelize.where(Sequelize.fn('LOCATE', Sequelize.col('word'), message.content.replace(/\u200B/g, '').replace(/[\u0250-\ue007]/g, '')), Sequelize.Op.ne, 0), serverID: message.guild.id}});
		const whitelistWord = await WhitelistWord.findAll({where: {word: Sequelize.where(Sequelize.fn('LOCATE', Sequelize.col('word'), message.content.replace(/\u200B/g, '').replace(/[\u0250-\ue007]/g, '')), Sequelize.Op.ne, 0), serverID: message.guild.id}});
		
		if (whitelistWord[0]) {
			return; // If word is whitelisted just return
		}
		
		if (bannedWords[0]) {
			// Remove accent
			let censoredMessage = message.content.toLowerCase().normalize('NFD').replace(/[\u0300-\u036f]/g, '');
			// Remove zero width space character
			censoredMessage = censoredMessage.replace(/\u200B/g, '');
			// Remove non latin character
			censoredMessage = censoredMessage.replace(/[\u0250-\ue007]/g, '');
			
			for (let i = 0; i < bannedWords.length; i++) {
				if (!safe(bannedWords[i].get('word'))) return;
				let regex = new RegExp(bannedWords[i].get('word'), 'g');
				censoredMessage = censoredMessage.replace(regex, '█'.repeat(bannedWords[i].get('word').length));
			}
			let Embed = this.client.util.embed()
				.setColor(message.member.displayHexColor)
				.setAuthor(message.author.username, message.author.displayAvatarURL())
				.setDescription(censoredMessage);

			message.channel.send(Embed);
			return message.delete({reason: `Deleted message: ${message.content}`});

		} else {
			/* Autoresponse feature & tag
			*
			*	This section contains autoresponse and tag feature
			*
			*/

			// auto responses
			const autoresponseStat = await autoResponseStat.findOne({where: {serverID: message.guild.id, stat: 'enable'}});
			if (autoresponseStat) {
			// Infinit haha very yes
				if (message.content.toLowerCase().startsWith('haha very') && message.content.toLowerCase().endsWith('yes')) {
					let yes = message.content.toLowerCase().replace('haha', '');
					yes = yes.replace('yes', '');	
					yes += 'very';
					return message.channel.send(`haha${yes} yes`);		
				} else if (message.content.toLowerCase() == 'haha yes') {
					return message.channel.send('haha very yes');
				}

				//  Reply with images as attachement
				const autoresponse = await autoResponse.findOne({where: {trigger: message.content.toLowerCase()}});

				if (autoresponse) {
					autoResponse.findOne({where: {trigger: message.content.toLowerCase()}});
					let trigger = autoresponse.get('trigger');
					let type = autoresponse.get('type');
					let content = autoresponse.get('response');

					if (trigger == message.content.toLowerCase() && type == 'text') {
						return message.channel.send(content);
					} else if (trigger == message.content.toLowerCase() && type == 'react') {
						return message.react(content);
					} else if (trigger == message.content.toLowerCase() && type == 'image') {
						return message.channel.send({files: [content]});
					}
				}
			}

			//  User autoresponse
			const tag = await Tag.findOne({where: {trigger: message.content.toLowerCase(), serverID: message.guild.id}});
			if (tag) {
				Tag.findOne({where: {trigger: message.content.toLowerCase(), serverID: message.guild.id}});
				let text = tag.get('response');
				if (text.includes('[ban]')) {
					message.member.ban('Tag ban :^)');
				} else if (text.includes('[kick]')) {
					message.member.kick('Tag kick :^)');
				} else if (text.includes('[delete]')) {
					message.delete();
				}
		
				text = rand.random(text, message);
	
				let attach = '';
	
				if (text.includes('[attach:')) {
					attach = text.split(/(\[attach:.*?])/);
					for (let i = 0, l = attach.length; i < l; i++) {
						if (attach[i].includes('[attach:')) {
							attach = attach[i].replace('[attach:', '').slice(0, -1);
							i = attach.length;
						}
					}
					text = text.replace(/(\[attach:.*?])/, '');
				}
	
				// THIS SECTION IS VERY VERY BAD MUST CHANGE
				if (text.includes('[embed]')) {
					text = text.replace(/\[embed\]/, ' ');
		
					let title = '';
					let desc = '';
					let image;
					let thumbnail;
					let footer = '';
					let color;
		
					if (text.includes('[embedImage:')) {
						image = text.split(/(\[embedImage:.*?])/);
		
						for (let i = 0, l = image.length; i < l; i++) {
							if (image[i].includes('[embedImage:')) {
								image = image[i].replace('[embedImage:', '').slice(0, -1);
								text = text.replace(/(\[embedimage:.*?])/g, '');
								i = image.length;
							}
						}
					}
							
					if (text.includes('[embedThumbnail:')) {
						thumbnail = text.split(/(\[embedThumbnail:.*?])/);
		
						for (let i = 0, l = thumbnail.length; i < l; i++) {
							if (thumbnail[i].includes('[embedThumbnail:')) {
								thumbnail = thumbnail[i].replace('[embedThumbnail:', '').slice(0, -1);
								text = text.replace(/(\[embedThumbnail:.*?])/g, '');
								i = thumbnail.length;
							}
						}
					}
		
					if (text.includes('[embedColor:')) {
						color = text.split(/(\[embedColor:.*?])/);
						for (let i = 0, l = color.length; i < l; i++) {
							if (color[i].includes('[embedColor:')) {
								color = color[i].replace('[embedColor:', '').slice(0, -1);
								text = text.replace(/(\[embedColor:.*?])/g, '');
								i = color.length;
							}
						}
					}
		
		
					if (text.includes('[embedTitle:')) {
						title = text.split(/(\[embedTitle:.*?])/);
						for (let i = 0, l = title.length; i < l; i++) {
							if (title[i].includes('[embedTitle:')) {
								title = title[i].replace('[embedTitle:', '').slice(0, -1);
								text = text.replace(/(\[embedTitle:.*?])/g, '');
								i = title.length;
							}
						}
					}
		
					if (text.includes('[embedFooter:')) {
						footer = text.split(/(\[embedFooter:.*?])/);
						for (let i = 0, l = footer.length; i < l; i++) {
							if (footer[i].includes('[embedFooter:')) {
								footer = footer[i].replace('[embedFooter:', '').slice(0, -1);
								text = text.replace(/(\[embedFooter:.*?])/g, '');
								i = footer.length;
							}
						}
					}
		
					if (text.includes('[embedDesc:')) {
						desc = text.split(/(\[embedDesc:.*?])/);
						for (let i = 0, l = desc.length; i < l; i++) {
							if (desc[i].includes('[embedDesc:')) {
								desc = desc[i].replace('[embedDesc:', '').slice(0, -1);
								i = desc.length;
							}
						}
					}
		
					const embed = this.client.util.embed()
						.setColor(color)
						.setTitle(title)
						.setImage(image)
						.setThumbnail(thumbnail)
						.setDescription(desc)
						.setFooter(footer)
						.setTimestamp();
		
							
					if (attach) {
						return message.channel.send(embed, {files: [attach]});
					} else {
						return message.channel.send(embed);

					}

				}
				if (attach) {
					return message.channel.send(text, {files: [attach]});
				} else {
					return message.channel.send(text);
				}

			}

			/*	Quotation feature
			*
			*	This section will contain the code for the quotation feature, it will detect link for it and send it as embed
			*
			*/
			const quotationstat = await quotationStat.findOne({where: {serverID: message.guild.id, stat: 'enable'}});

			if (quotationstat && message.content.includes('discordapp.com/channels/')) { 
				let url = message.content.split('/');
				let guildID = url[4];
				let channelID = url[5];
				let messageID = url[6];


				// Verify if the guild, channel and message exist
				let guild = this.client.guilds.resolve(guildID);
				if (!guild) return;
				let channel = this.client.channels.resolve(channelID);
				if (!channel) return;
				let quote = await channel.messages.fetch(messageID)
					.catch(() => {
						return;
					});
				if (!quote) return;

				let Embed = this.client.util.embed()
					.setAuthor(quote.author.username, quote.author.displayAvatarURL())
					.addField('Jump to', `[message](https://discordapp.com/channels/${message.guild.id}/${channelID}/${messageID})`, true)
					.addField('In channel', quote.channel.name, true)
					.addField('Quoted by', message.author, true)
					.setDescription(quote.content)
					.setTimestamp(quote.createdTimestamp);
				
				if (quote.member) Embed.setColor(quote.member.displayHexColor);

				if (guild.id != message.guild.id) Embed.addField('In guild', guild.name, true);
				let Attachment = (quote.attachments).array();
				if (Attachment[0]) Embed.setImage(Attachment[0].url);

				return message.channel.send(Embed)
					.then(() => {
						message.delete();
					});
			}
		}
	}
}

module.exports = messageListener;