import { defineConfig } from 'vite'
import { basename, extname, resolve } from 'path'

const stripExt = path => basename(path, extname(path))
const entryPoints = ['index.html', 'login.html', 'user.html', 'game.html']

const redirect = redirectMap => ({
    name: 'redirect',
    configureServer(server) {
        server.middlewares.use((req, res, next) => {
            if (!!redirectMap[req.url]) {
                res.statusCode = 302
                res.setHeader('Location', redirectMap[req.url])
                res.setHeader('Content-Length', '0')
                res.end()
            } else {
                next()
            }
        })
    },
})

const redirectMap = Object.fromEntries(entryPoints.map(path => ['/' + stripExt(path), '/' + path]))

export default defineConfig({
    build: {
        rollupOptions: {
            input: Object.fromEntries(
                entryPoints.map(path => [stripExt(path), resolve(__dirname, path)])
            ),
        },
    },
    server: {
        proxy: {
            '/api': 'http://127.0.0.1:4000',
        },
    },
    plugins: [redirect(redirectMap)],
})