import { fileURLToPath, URL } from 'node:url'

import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import vueDevTools from 'vite-plugin-vue-devtools'
import packageJson from './package.json' assert { type: 'json' }

// https://vite.dev/config/
export default defineConfig(() => {
  const localRpcProxyTarget = process.env.VITE_LOCAL_RPC_PROXY_TARGET
  const localGraphqlProxyTarget = process.env.VITE_LOCAL_GRAPHQL_PROXY_TARGET ?? 'http://127.0.0.1:42069'
  const localTxnProxyTarget = process.env.VITE_LOCAL_TXN_PROXY_TARGET ?? 'http://127.0.0.1:43069'
  const appVersion = (packageJson as { version?: string }).version ?? 'dev'

  return {
    // base: "/HarbergPublic/",
    plugins: [
      vue(),
      vueDevTools(),
    ],
    define: {
      __APP_VERSION__: JSON.stringify(appVersion),
    },
    resolve: {
      alias: {
        '@': fileURLToPath(new URL('./src', import.meta.url)),
        'kraiken-lib': fileURLToPath(new URL('../kraiken-lib/src', import.meta.url)),
      },
    },
    server: {
      proxy:
        localRpcProxyTarget || localGraphqlProxyTarget || localTxnProxyTarget
          ? {
              ...(localRpcProxyTarget
                ? {
                    '/api/rpc': {
                      target: localRpcProxyTarget,
                      changeOrigin: true,
                      secure: false,
                      rewrite: (path: string) => {
                        const rewritten = path.replace(/^\/api\/rpc/, '')
                        return rewritten.length === 0 ? '/' : rewritten
                      },
                    },
                  }
                : {}),
              ...(localGraphqlProxyTarget
                ? {
                    '/api/graphql': {
                      target: localGraphqlProxyTarget,
                      changeOrigin: true,
                      secure: false,
                      rewrite: (path: string) => path.replace(/^\/api\/graphql/, '/graphql'),
                    },
                  }
                : {}),
              ...(localTxnProxyTarget
                ? {
                    '/api/txn': {
                      target: localTxnProxyTarget,
                      changeOrigin: true,
                      secure: false,
                      rewrite: (path: string) => {
                        const rewritten = path.replace(/^\/api\/txn/, '')
                        return rewritten.length === 0 ? '/' : rewritten
                      },
                    },
                  }
                : {}),
            }
          : undefined,
    },
  }
})