sinProject-Inc/sinpro-dev

import { error } from '@sveltejs/kit'
import fs from 'fs'
import type { PageServerLoad } from './$types'
import { Markdown, type PageSection } from '$lib/docs/markdown'

const docs_base_dir = Markdown.docs_base_dir

type LoadedFile = {
    category: string
    file_path: string
    page: {
        title: string
        description: string
        html_content: string
        sections: PageSection[]
    }
}

function find_matching_file(sub_dir_path: string, slug: string): string | undefined {
    return fs.readdirSync(sub_dir_path).find((file) => file.slice(3, -3) === slug)
}

async function load_file(sub_dir: string, slug: string): Promise<LoadedFile | undefined> {
    const sub_dir_path = `${docs_base_dir}/${sub_dir}`

    if (!fs.statSync(sub_dir_path).isDirectory()) return

    const matching_file = find_matching_file(sub_dir_path, slug)

    if (!matching_file) return

    const category = await Markdown.get_section_title(sub_dir_path)
    const file_path = `${sub_dir_path}/${matching_file}`
    const page = await Markdown.generate_page_content(file_path)

    return { category, file_path, page }
}

export const load: PageServerLoad = async ({ params }) => {
    for (const sub_dir of fs.readdirSync(docs_base_dir)) {
        const result = await load_file(sub_dir, params.slug)

        if (result) return result
    }

    throw error(404)
}