import tsconfigPaths from 'vite-tsconfig-paths'
import { defineConfig } from 'vitest/config'

const windowsUnsupportedPackages = process.platform === 'win32'
  ? [
      'packages/bash/*',
      'packages/hooks/*',
      'packages/sandbox/sandbox-local',
      'packages/sdk/create-sdk',
      'packages/sdk/helper',
    ]
  : []

export default defineConfig({
  // Native path resolution reads each package's nearest tsconfig, but only the root defines
  // workspace paths. Keep this plugin pinned to the root map so bare package imports resolve
  // to source — with built lib/ present, manifest-exports fallthrough would load a second
  // copy of module singletons. tsconfig.vitest.json widens include to .tsx specs (the root
  // include stops at .ts for tsc -b; the plugin scopes applicability by include).
  plugins: [tsconfigPaths({ projects: ['./tsconfig.vitest.json'] })],
  test: {
    setupFiles: ['./scripts/test-invariants.ts'],
    // .tsx: client component specs (jsdom via per-file @vitest-environment pragma).
    include: ['packages/*/*/tests/**/*.spec.{ts,tsx}', 'examples/*/tests/**/*.spec.ts', 'scripts/**/*.spec.ts'],
    exclude: windowsUnsupportedPackages.map(path => `${path}/tests/**/*.spec.ts`),
    coverage: {
      provider: 'v8',
      // Coverage measures OUR runtime source. Types-only files carry no
      // executable code; vendor/ and examples/ are out of scope (examples are
      // exercised by the demo smoke test instead).
      // .tsx: client components are gated like everything else (jsdom lane).
      include: ['packages/*/*/src/**/*.{ts,tsx}'],
      // Types-only files have no runtime coverage. Importing self-executing bins/workers would boot
      // them inside the unit process, so real subprocess/Worker tests cover their thin entry glue.
      exclude: [
        
        'packages/*/*/src/types.ts',
       
        'packages/*/*/src/bin.ts',
       
        'packages/*/*/src/worker.ts',
        ...windowsUnsupportedPackages.map(path => `${path}/src/**/*.ts`),
      ],
      // 100% or it doesn't merge (docs/testing.md: excessive tests are welcome).
      // Per-file so a well-covered big file can't subsidize a bare one.
      // Every v8 ignore comment must carry a reason — see the quality-gates Agent Note
      // (.agents/notes/implemented/process/2026-06-11-quality-gates.md).
      thresholds: {
        perFile: true,
        statements: 100,
        branches: 100,
        functions: 100,
        lines: 100,
      },
      reporter: process.env.CI ? ['text'] : ['text', 'html'],
    },
  },
})