import fastify from 'fastify'
import dotenv from 'dotenv'
import path from 'path'

// getting .env
dotenv.config({ path: path.join(path.resolve(), '/../../.env') })

// create server
const server = fastify()


/**
 *  add liquidjs
 *
 *
 */

import * as Eta from 'eta'
import view from '@fastify/view'

server.register(view, {
    engine: {
        eta: Eta

    },
    root: path.join(path.resolve(), '/../frontend/views'),
    extname: '.eta',
    options: {
        tags: [ '{{', '}}' ],
        includeViewExtension: true,
        parse: {
            exec: "#",
            interpolate: "",
            raw: "!"
        },
        useWith: true,
        async: true
    }
})

/**
 *  adding preHandler
 *
 *
 */

import SettingsStore from './stores/settings.js'

import templateClass from './eta/templateClass.js'
import isHome from './eta/isHome.js'
import injectStore from './eta/injectStore.js'
import parseMarkdown from './eta/parseMarkdown.js'


// getting options from directus add to all views
server.addHook('preHandler', async function (request, response) {
    const settingsStore = new SettingsStore()
    const settings = await settingsStore.find()

    response.locals = {
        settings: settings,
        templateClass: templateClass,
        isHome: isHome,
        injectStore: injectStore,
        parseMarkdown: parseMarkdown
    }
})

// check url for paged
server.addHook('onRequest', async function (request, response) {

    const url = request.url

    let pathname = url.split('/').shift()

    // default value for paged
    let paged = 1

    // check if pathname has values and is not 404
    if (pathname.length > 0 && request.url !== '/404') {

        const result = Number(pathname[pathname.length - 1])

        // is result is an integer
        if (Number.isInteger(result)) {
            paged = result

            // remove last from pathname, add default url to request,
            // and check if pathname has more than one, join pathname for new url
            pathname.pop()
            request.raw.url = '/'

            if (pathname.length > 0) {
                request.raw.url = pathname.join('/')
            }
        }
    }

    // adding to response
    response.locals = {
        paged : paged
    }
})


/**
 *  routing
 *
 *
 */

import commentHttp from './http/api/comment.js'

import notfoundHttp from './http/notfound.js'
import postHttp from './http/post.js'

// page and static has always the last routes, if no route before match, it try get a page
import sitemapHttp from './http/sitemap.js'
import pageHttp from './http/page.js'
import staticHttp from './http/static.js'

server
    .register(commentHttp, {
        'prefix': '/api/comment/v1/'
    })
    .register(notfoundHttp)
    .register(postHttp, {
        'prefix': '/blog'
    })
    .register(sitemapHttp)
    .register(pageHttp)
    .register(staticHttp)

export default server