// svelte adapter

import adapterNode from '@sveltejs/adapter-node'
import adapterVercel from '@sveltejs/adapter-vercel'
import adapterNetlify from '@sveltejs/adapter-netlify'
import adapterCloudflare from '@sveltejs/adapter-cloudflare'
import adapterStatic from '@sveltejs/adapter-static'
// svelte preprocessor
import { mdsvex } from 'mdsvex'
import mdsvexConfig from './mdsvex.config.js'
// import { vitePreprocess } from '@sveltejs/vite-plugin-svelte'
import preprocess from 'svelte-preprocess'

function getAdapter() {
    if (Object.keys(process.env).some(key => key.includes('VERCEL'))) {
        return adapterVercel()
    } else if (Object.keys(process.env).some(key => key.includes('NETLIFY'))) {
        return adapterNetlify()
    } else if (Object.keys(process.env).some(key => key.includes('CF_PAGES'))) {
        return adapterCloudflare()
    } else {
        return process.env.ADAPTER === 'node'
            ? adapterNode({ out: 'build' })
            : adapterStatic({
                  pages: 'build',
                  assets: 'build',
                  fallback: undefined
              })
    }
}

/** @type {import("@svletejs/kit".Config)} */
export default {
    extensions: ['.svelte', ...(mdsvexConfig.extensions || [])],
    preprocess: [preprocess({ postcss: true }), mdsvex(mdsvexConfig) /*, vitePreprocess()*/],
    vitePlugin: {
        inspector: true
    },
    kit: {
        adapter: getAdapter(),
        alias: {
            $lib: './src/lib',
            $root: './',
            $src: './src',
            $routes: './src/routes',
            $content: './content'
        },
        csrf: {
            checkOrigin: process.env.NODE_ENV === 'development' ? false : true
        },
        prerender: {
            crawl: true,
            handleMissingId: 'warn',
            handleHttpError: ({ status, path, referrer, referenceType, message }) => {
                // Handle blog trying to prerender relative links that it can't
                if (
                    (status == 404 && path.startsWith('/blog')) ||
                    path.startsWith('/projects') ||
                    (path.startsWith('/') && referenceType == 'linked')
                ) {
                    console.warn(`PRERENDER ignored route ${path}`)
                    return
                }

                throw new Error(`${status} ${path} from ${referrer}, ~~~~~~~~~ message: ${message}~~~~~~~~~`)
            }
        }
    }
}