import { coverageConfigDefaults, defineConfig } from "vitest/config";
import path from "path";

const coreOnlyExclude = [
  "apps/web/app/routes/__forms/**",
  "apps/web/app/routes/admin/__workflows/**",
  "apps/web/app/routes/app.$tenant/__portals/**",
  "apps/web/app/routes/app.$tenant/__workflows/**",
  "apps/web/app/routes/internal/api/__workflows/**",
  "apps/web/app/modules/formBuilder/**",
  "apps/web/app/modules/portals/**",
  "apps/web/app/modules/sites/**",
  "apps/web/app/modules/surveys/**",
  "apps/web/app/modules/workflowEngine/**",
];
const coreTestExcludes = process.env.TOOLCTRL_CORE_TESTS_ONLY === "1" ? coreOnlyExclude : [];
const coverageGateEnabled = process.env.TOOLCTRL_COVERAGE_GATE === "1";
const coverageArtifactExcludes = [
  "**/node_modules/**",
  "**/dist/**",
  "**/build/**",
  "**/.react-router/**",
  "**/storybook-static/**",
  "**/coverage/**",
  "**/coverage-gate/**",
  "**/generated/**",
  "**/*.generated.*",
];

export default defineConfig({
  test: {
    globals: true,
    environment: "jsdom",
    exclude: ["**/node_modules/**", "**/dist/**", "**/.react-router/**", "**/.claude/**", "tests/e2e/**", ...coreTestExcludes],
    setupFiles: [path.resolve(__dirname, "vitest.setup.ts")],
    coverage: {
      // Vitest 3 uses `@vitest/coverage-v8` (V8 native coverage). The legacy
      // c8 provider was retired in vitest 1.0 and the `coverage-c8` package
      // is unmaintained.
      //
      // Reporter list per docs/architecture/test-coverage.md:
      //   - text-summary: human-readable terminal output
      //   - json-summary: feeds scripts/verify-test-coverage.mjs + readme badge
      //   - html:         drillable artifact, uploaded by .github/workflows/coverage.yml
      //   - lcov:         consumed by external tools (Codecov, IDE plugins)
      // The CI threshold gate sets TOOLCTRL_COVERAGE_GATE=1 to avoid writing
      // heavyweight HTML/LCOV artifacts during the quick threshold check.
      provider: "v8",
      reporter: coverageGateEnabled ? ["text-summary", "json-summary"] : ["text-summary", "json-summary", "html", "lcov"],
      reportsDirectory: coverageGateEnabled ? "coverage-gate" : "coverage",
      exclude: [...coverageConfigDefaults.exclude, ...coverageArtifactExcludes],
    },
  },
  resolve: {
    alias: {
      "~": path.resolve(__dirname, "./apps/web/app"),
      "vite-env-only/macros": path.resolve(__dirname, "./tests/vite-env-only-macros.ts"),
      "@toolctrl/error-reporter": path.resolve(__dirname, "./packages/error-reporter/src/index.ts"),
      "@toolctrl/exports/audit-pdf": path.resolve(__dirname, "./packages/exports/src/audit-pdf.ts"),
      "@toolctrl/exports/csv": path.resolve(__dirname, "./packages/exports/src/csv/index.ts"),
      "@toolctrl/exports/json": path.resolve(__dirname, "./packages/exports/src/json/index.ts"),
      "@toolctrl/exports/limits": path.resolve(__dirname, "./packages/exports/src/limits.ts"),
      "@toolctrl/exports/pdf": path.resolve(__dirname, "./packages/exports/src/pdf/index.ts"),
      "@toolctrl/exports/s3-multipart": path.resolve(__dirname, "./packages/exports/src/sinks/s3-multipart.ts"),
      "@toolctrl/exports/types": path.resolve(__dirname, "./packages/exports/src/types.ts"),
      "@toolctrl/exports/xlsx": path.resolve(__dirname, "./packages/exports/src/xlsx/index.ts"),
      "@toolctrl/exports": path.resolve(__dirname, "./packages/exports/src/index.ts"),
      "@toolctrl/plugins": path.resolve(__dirname, "./packages/plugins/src/index.ts"),
      "@toolctrl/realtime": path.resolve(__dirname, "./packages/realtime/src/index.ts"),
      "@toolctrl/storage": path.resolve(__dirname, "./packages/storage/src/index.ts"),
      "@toolctrl/url": path.resolve(__dirname, "./packages/url/src/index.ts"),
      // Subpath exports for `@toolctrl/ui-app` — the workspace package ships
      // unbuilt TS, so we explicitly map the test-helper subpaths used by
      // *.axe.test.tsx suites (see docs/contributing/wcag-audit.md).
      "@toolctrl/ui-app/test-setup/axe": path.resolve(__dirname, "./packages/ui-app/test-setup/axe.ts"),
      "@toolctrl/ui-app/test-utils/a11y-template": path.resolve(__dirname, "./packages/ui-app/src/test-utils/a11y-template.ts"),
    },
  },
});