const express = require('express')
const app = express();
const axios = require('axios');
const querystring = require('querystring');

app.get('/', async (req, res)=>{

	const data = {
		grant_type:'password',
		username:process.env.REDDITUSR,
		password:process.env.REDDITPWD
	}
	const auth = {
		username: process.env.APPID,
		password: process.env.APPSECRET
	}
	let response = await axios({
		url:'https://www.reddit.com/api/v1/access_token',
		method:'post',
		auth:auth, 
		data:querystring.stringify(data)
	})

	const config = {
		headers:{
			Authorization: 'bearer '+response.data.access_token
		}
	}
	response = await axios.get('https://oauth.reddit.com/user/mahuntington/saved?count=100', config)

	res.render('all.ejs', { 
		posts: response.data.data.children.filter(post => post.data.subreddit === 'ProgrammerHumor' && post.data.removed_by_category === null),
		next: response.data.data.after,
		previous:null
	})

})

app.get('/after/:after', async (req, res)=>{
	const data = {
		grant_type:'password',
		username:process.env.REDDITUSR,
		password:process.env.REDDITPWD
	}
	const auth = {
		username: process.env.APPID,
		password: process.env.APPSECRET
	}
	let response = await axios({
		url:'https://www.reddit.com/api/v1/access_token',
		method:'post',
		auth:auth, 
		data:querystring.stringify(data)
	})

	const config = {
		headers:{
			Authorization: 'bearer '+response.data.access_token
		}
	}
	response = await axios.get('https://oauth.reddit.com/user/mahuntington/saved?count=100&after='+req.params.after, config)

	res.render('all.ejs', { 
		posts: response.data.data.children.filter(post => post.data.subreddit === 'ProgrammerHumor' && post.data.removed_by_category === null),
		next: response.data.data.after,
		previous: response.data.data.before
	})

})

app.get('/before/:before', async (req, res)=>{
	const data = {
		grant_type:'password',
		username:process.env.REDDITUSR,
		password:process.env.REDDITPWD
	}
	const auth = {
		username: process.env.APPID,
		password: process.env.APPSECRET
	}
	let response = await axios({
		url:'https://www.reddit.com/api/v1/access_token',
		method:'post',
		auth:auth, 
		data:querystring.stringify(data)
	})

	const config = {
		headers:{
			Authorization: 'bearer '+response.data.access_token
		}
	}
	response = await axios.get('https://oauth.reddit.com/user/mahuntington/saved?count=100&before='+req.params.before, config)

	res.render('all.ejs', { 
		posts: response.data.data.children.filter(post => post.data.subreddit === 'ProgrammerHumor' && post.data.removed_by_category === null),
		next: response.data.data.after,
		previous: response.data.data.before
	})

})
app.listen(3002, ()=>{
	console.log('listening');
})