// svelte adapter
import adapterAuto from '@sveltejs/adapter-auto'
import adapterNode from '@sveltejs/adapter-node'
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'

const adapter = {
  auto: adapterAuto(),
  node: adapterNode(),
  static: 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: process.env.ADAPTER
      ? adapter[process.env.ADAPTER.toLowerCase()]
      : Object.keys(process.env).some(key => ['VERCEL', 'NETLIFY'].includes(key))
        ? adapter['auto']
        : adapter['static'],
    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: details => {
        // Handle blog trying to prerender relative links that it can't
        if (details.status == 404 && details.path.startsWith('/blog' && '/projects') && details.referenceType == 'linked') {
          console.warn(`PRERENDER ignored route ${details.path}`)
          return
        }

        throw new Error(`${details.status} ${details.path} from ${details.referrer}`)
      }
    }
  }
}