import tailwindcss from '@tailwindcss/vite';
import vue from '@vitejs/plugin-vue';
import path from 'path';
import { defineConfig, loadEnv } from 'vite';

export default defineConfig(({ mode }) => {
  const env = loadEnv(mode, '.', '');
  return {
    plugins: [vue(), tailwindcss()],
    define: {
      'process.env.GEMINI_API_KEY': JSON.stringify(env.GEMINI_API_KEY),
    },
    resolve: {
      alias: {
        '@': path.resolve(__dirname, './src'),
      },
    },
    server: {
      port: 3000,
      host: '0.0.0.0',
      // HMR is disabled in AI Studio via DISABLE_HMR env var.
      // Do not modify—file watching is disabled to prevent flickering during agent edits.
      hmr: process.env.DISABLE_HMR !== 'true',
    },
  };
});