import path from 'node:path';

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

import {createLocalApiPlugins} from './scripts/dev-server/localApiPlugins';

export default defineConfig(({mode}) => {
  const env = loadEnv(mode, __dirname, '');
  const ignoredWatchGlobs = [
    '**/dist/**',
    '**/dist_check/**',
    '**/dist_check_final/**',
    '**/dist_check_monster_position/**',
    '**/temp*build*/**',
  ];

  return {
    root: __dirname,
    envDir: __dirname,
    plugins: [
      react(),
      tailwindcss(),
      ...createLocalApiPlugins(__dirname, mode, env),
    ],
    define: {
      'process.env.GEMINI_API_KEY': JSON.stringify(env.GEMINI_API_KEY),
    },
    resolve: {
      alias: {
        '@': path.resolve(__dirname, '.'),
      },
    },
    optimizeDeps: {
      // Only crawl the real app entry so temporary build folders do not get
      // treated as extra HTML entrypoints during dependency scanning.
      entries: ['index.html'],
    },
    build: {
      chunkSizeWarningLimit: 750,
    },
    server: {
      // 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',
      watch: {
        ignored: ignoredWatchGlobs,
      },
    },
  };
});