/// <reference types="vitest/config" />
import path from 'node:path';
import { defineConfig } from 'vite';
import react from '@vitejs/plugin-react';
import tailwindcss from '@tailwindcss/vite';
import { version } from './package.json';

// https://vite.dev/config/
export default defineConfig(({ command }) => ({
    // Production builds are deployed under /admin (see Program.cs); the dev server keeps serving from '/'.
    base: command === 'build' ? '/admin/' : '/',
    plugins: [react(), tailwindcss()],
    define: {
        // Injected at build time, used as the Sentry `release` tag (see src/lib/sentry.ts).
        __APP_VERSION__: JSON.stringify(version),
    },
    resolve: {
        alias: {
            '@': path.resolve(__dirname, './src'),
        },
    },
    server: {
        port: 5173,
        proxy: {
            // Mirrors the tunnel path the API serves in test and production, so the same
            // Sentry `tunnel` option also works during `pnpm dev` — where this SPA runs on
            // 5173 and the API on 7221.
            //
            // Note this targets our own API rather than Sentry's ingest host directly. The
            // reference project proxies straight to Sentry, which forces the DSN's project id
            // into this file and requires keeping it in sync by hand. The API derives the
            // destination from its own DSN, so there is nothing to synchronise and no project
            // id in a committed file.
            '/sentry-tunnel': {
                target: 'https://localhost:7221',
                changeOrigin: true,
                secure: false,
            },
        },
    },
    test: {
        globals: true,
        environment: 'jsdom',
        setupFiles: ['./src/test/setup.ts'],
        testTimeout: 20000,
        css: true,
        coverage: {
            provider: 'v8',
            reporter: ['text', 'html'],
            include: ['src/**/*.{ts,tsx}'],
            exclude: [
                'src/**/*.test.{ts,tsx}',
                'src/test/**',
                'src/mocks/**',
                'src/main.tsx',
                'src/vite-env.d.ts',
                // Calls Sentry.init, which cannot run meaningfully under jsdom; its skip-without-
                // a-DSN behaviour is covered by a test that asserts init was not called.
                'src/lib/sentry.ts',
            ],
        },
    },
}));