const Discord = require("discord.js");
const fs = require('fs');
const request = require('request');
const rp = require('request-promise-native');

class Lewd {

	constructor() {
		this.matches = [ "tits", "ass", "booty", "thicc", "2d", "furry", "sexy", "reddimg", "dick", "cock", "penis", "milf", "fuck", "sex", "degenerate", "milkers", "goth", "btgg" ];
	}

	async loadSubreddit(name, desired_entries=400) {
		let entries = 0;
		let entryData = [];
		let subredditData = await rp(`https://www.reddit.com/r/${name}/new/.json?limit=100`);

		// access if cached
		try {
			let stats = fs.statSync(`cache/${name}.txt`);
			let time_diff = (new Date().getTime() - new Date(stats.mtime).getTime()) / 1000;
			if (time_diff > 21600) { throw new Error('Need to update cache!'); } 
			let entryText = fs.readFileSync(`cache/${name}.txt`);
			entryData = JSON.parse(entryText);
			console.log(`Loading cached data for ${name}`);
			return entryData;
		} catch (e) {
			console.log(`${name} not cached...`);
		}

		try {
			let sJson = JSON.parse(subredditData);
			entryData = entryData.concat(sJson.data.children);
		        entries += sJson.data.children.length;
			while (entries <= desired_entries) {
				let after_tag = sJson.data.after;
			 	subredditData = await rp(`https://www.reddit.com/r/${name}/new/.json?limit=100&after=${after_tag}`);
				sJson = JSON.parse(subredditData);
				entryData = entryData.concat(sJson.data.children);
				entries += sJson.data.children.length;
			}
			console.log(`Writing ${name} data to cache...`);
			fs.writeFileSync(`cache/${name}.txt`, JSON.stringify(entryData));
			return entryData;
		} catch (e) {
			console.log("Invalid JSON!");
			return "";
		}
	}

	async getRandomEntry(subreddit) {
		let srData = await this.loadSubreddit(subreddit);
		let count = srData.length;
		console.log(`Got ${count} items`);

		for(let i = 0; i < 10; i++) {
			let selection = Math.floor(Math.random() * count);
			let url = srData[selection].data.url;
			if(url.endsWith('.jpg') || url.endsWith('.gif') || url.endsWith('.png') || url.endsWith('.jpeg') || url.includes('gfycat.com') ) {
			 return url.toString();
			} 
		}

		return -1;
	}

	async getRandomRedditImg(sub) {
		let rEmbed = new Discord.RichEmbed();
		let img = await this.getRandomEntry(sub);
		console.log(img);
		if(img.includes('gfycat.com')) {
			return img;	
		} else {
			rEmbed.setImage(img);
		}
		return rEmbed;
		
	}

	async action(msg) {
		let chan = msg.channel;
		if(msg.content.startsWith('!tits')) {
		 chan.send(await this.getRandomRedditImg('homegrowntits+BigBoobsGW+Boobies+hugehangers+biggerthanyouthought+udders+tittydrop'));
		} else if (msg.content.startsWith('!booty') || msg.content.startsWith('!ass')) {
		 chan.send(await this.getRandomRedditImg('bigasses+pawg+slightcellulite'));
		} else if (msg.content.startsWith('!thicc')) {
		 chan.send(await this.getRandomRedditImg('thickthighs+voluptuous+breedingmaterial+thickchixx+plumper+gonewildplus+thickchixxx+bbw_chubby'));
		} else if (msg.content.startsWith('!2d')) {	
		 chan.send(await this.getRandomRedditImg('hentai+rule34'));
		} else if (msg.content.startsWith('!furry')) {	
		 chan.send(await this.getRandomRedditImg('furry+yiff'));
		} else if (msg.content.startsWith('!sexy')) {	
		 chan.send(await this.getRandomRedditImg('lingerie+gonemild'));
		} else if (msg.content.startsWith('!reddimg')) {	
		 let contentArr = msg.content.split(" ");
		 if(contentArr.length < 2) return;
		 chan.send(await this.getRandomRedditImg(contentArr[1]));
		} else if (msg.content.startsWith('!dick') || msg.content.startsWith('!cock') || msg.content.startsWith('!penis')) {
		 chan.send(await this.getRandomRedditImg('penis+massivecock+ratemycock+sizecomparison+averagepenis+naturalpenis+smallpenis'));
		} else if (msg.content.startsWith('!milf')) {	
		 chan.send(await this.getRandomRedditImg('milf+wifesharing+gonewild30plus+milfie'));
		} else if (msg.content.startsWith('!fuck') || msg.content.startsWith('!sex')) {	
		 chan.send(await this.getRandomRedditImg('gonewildcouples+nsfw_gif+besthqporngifs+60fpsporn+girlsfinishingthejob+lipsthatgrip+amateurgirlsbigcocks+shelikesitrough'));
		} else if (msg.content.startsWith('!degenerate')) {	
		 chan.send(await this.getRandomRedditImg('yiff+cuckold+hotwife+bondage+bdsm+bdsmgw+forcedorgasms+rule34+furry+dominated+teenbdsm+bondageblowjobs+fetish+cumsluts+vore'));
		} else if (msg.content.startsWith('!milkers')) {	
		 chan.send(await this.getRandomRedditImg('udders+hugehangers+bigboobsgw+hugeboobs+hugetits+hugeboobgifs'));
		} else if (msg.content.startsWith('!goth')) {	
		 chan.send(await this.getRandomRedditImg('gothsluts+bigtiddygothgf+snowwhites+altgonewild'));
		} else if (msg.content.startsWith('!btgg')) {	
		 chan.send(await this.getRandomRedditImg('bigtiddygothgf'));
		}
	}

}

module.exports = Lewd;