import express from 'express'
import njk from 'nunjucks'
import njkAppend from 'nunjucks-append'
import njkMarkdown from 'nunjucks-markdown'
import marked from 'marked'
import fs from 'fs'
import { requestHandler } from './libs/requestHandler.js'
import hljs from 'highlight.js'



const ConfigFile = fs.readFileSync('./config.json')
const Config = JSON.parse(ConfigFile)



const Server = express()

Server.use('/assets', express.static(Config.assetsDir))

const njkEnv = njk.configure(
    Config.contentDir,
    {
        autoescape: false,
        watch: true,
        trimBlocks: true,
        lstripBlocks: true,
        express: Server
    }
)

marked.setOptions({
    highlight: (code, lang) => {
        const language = hljs.getLanguage(lang) ? lang : 'plaintext'
        return hljs.highlight(language, code)
            .value.replace(/\n/g, "<br>").replace(/•/g, "&nbsp;")
    },
    gfm: true,
    smartypants: true,
    smartLists: true,
    silent: true
})

njkAppend.initialise(njkEnv)
njkMarkdown.register(njkEnv, marked)


Server.get(
    '*',
    (req, res) => requestHandler(req, res, Config)
)

Server.listen(
    Config.serverPort,
    () => {
        console.log(`Started server on ${Config.serverPort}.`)
    }
)