import { defineConfig, loadEnv } from 'vite'
import path from 'node:path'
import react from '@vitejs/plugin-react-swc'

import { execSync } from "child_process";

function getCurrentGitHash(): string {
  const gitHash = execSync("git rev-parse HEAD")
    .toString()
    .trim();
  return gitHash;
}

function getBuildTime(): string {
  return new Date().toISOString();
}

function getBuildVersion(): string {
  return process.env.BUILD_VERSION ?? getCurrentGitHash();
}

function getCurrentGitBranch(): string {
  const gitBranch = execSync("git rev-parse --abbrev-ref HEAD")
    .toString()
    .trim();
  return gitBranch;
}

// https://vitejs.dev/config/
export default defineConfig(({ mode }) => {
  const env = loadEnv(mode, process.cwd(), "");
  return {
  plugins: [react()],
  define: {
    __BUILD_TIME__: `"${getBuildTime()}"`,
    __BUILD_VERSION__: `"${getBuildVersion()}"`,
    __GIT_BRANCH__: `"${getCurrentGitBranch()}"`,
    __GIT_HASH__: `"${getCurrentGitHash()}"`,
  },
  resolve: {
    alias: {
      '@': path.resolve(__dirname, './src'),
    },
  },
  server: {
    proxy: {
      '/api': env.API_BASE_URL ?? 'http://localhost:8000',
    }
  }
}})