import { defineConfig } from "vite";
import vue from "@vitejs/plugin-vue";
import path from "path";
import { fileURLToPath, URL } from 'node:url';

// Determine if we're building for mobile based on environment variable
const isMobile = process.env.VITE_PLATFORM === 'capacitor';

export default defineConfig(({ mode }) => {
  return {
    plugins: [vue()],
    resolve: {
      alias: {
        '@': fileURLToPath(new URL('./src', import.meta.url)),
        'nostr-tools': path.resolve(__dirname, 'node_modules/nostr-tools'),
        'nostr-tools/nip06': path.resolve(__dirname, 'node_modules/nostr-tools/nip06'),
        'nostr-tools/core': path.resolve(__dirname, 'node_modules/nostr-tools/core'),
        stream: 'stream-browserify',
        util: 'util',
        crypto: 'crypto-browserify'
      },
      mainFields: ['module', 'jsnext:main', 'jsnext', 'main'],
    },
    optimizeDeps: {
      include: ['nostr-tools', 'nostr-tools/nip06', 'nostr-tools/core'],
      esbuildOptions: {
        define: {
          global: 'globalThis'
        }
      }
    },
    define: {
      __USE_QR_READER__: JSON.stringify(!isMobile),
      __IS_MOBILE__: JSON.stringify(isMobile),
    },
    build: {
      sourcemap: true,
      target: 'esnext',
      chunkSizeWarningLimit: 1000,
      commonjsOptions: {
        include: [/node_modules/],
        transformMixedEsModules: true
      },
      rollupOptions: {
        external: isMobile ? ['vue-qrcode-reader'] : [],
        output: {
          globals: {
            stream: 'stream',
            util: 'util',
            crypto: 'crypto'
          },
          entryFileNames: `[name]${isMobile ? '-mobile' : ''}.js`,
          chunkFileNames: `[name]${isMobile ? '-mobile' : ''}.js`,
          assetFileNames: `[name]${isMobile ? '-mobile' : ''}.[ext]`
        }
      }
    }
  };
});