import { defineConfig } from 'vitest/config'

export default defineConfig({
  test: {
    globals: true,
    environment: 'node',
    include: ['test/**/*.test.ts'],
    coverage: {
      provider: 'v8',
      reporter: ['text', 'json', 'html'],
      include: ['src/**/*.ts'],
      exclude: [
        'src/**/*.d.ts',
        'src/**/*.test.ts',
        // CLI entry — integration-tested via e2e
        'src/index.ts',
        // TUI entry point — integration-tested via e2e
        'src/repl/ink-repl.ts',
        // TTY-only interactive pickers — require a real TTY for input/output
        'src/repl/ask-user.ts',
        'src/repl/permission-picker.ts',
        'src/repl/model-picker.ts',
        'src/repl/session-picker.ts',
        'src/repl/mcp-picker.ts',
        'src/repl/onboarding.ts',
        'src/repl/oneshot.ts',
        'src/repl/spinner.ts',
        'src/repl/screen.ts',
        // God-class REPL (P3 refactor pending) — TTY + agentic loop mixed,
        // 2100+ lines; core logic extracted to dedicated modules with own tests
        'src/repl/repl.ts',
        // Terminal renderer — depends on live subscription state and TTY dimensions
        'src/repl/renderer.ts',
        // Tool executor — requires full agent + permission + MCP stack to mock
        'src/tools/executor.ts',
        // background.ts — spawns real child processes; covered by e2e suite
        'src/tools/background.ts',
        // notebook.ts — manipulates real .ipynb files; needs fixture infra
        'src/tools/notebook.ts',
        // Provider adapters — tested with real fetch/WS in integration suite
        'src/api/anthropic.ts',
        'src/api/google.ts',
        'src/api/openai.ts',
        // Auth classes — require OAuth browser flow or disk creds; tested in integration
        'src/auth/anthropic.ts',
        'src/auth/google.ts',
        'src/auth/openai.ts',
        'src/auth/manager.ts',
        // State singleton (init-only, tested indirectly)
        'src/state/state.ts',
      ],
      thresholds: {
        // Thresholds apply to business-logic modules only (TTY/integration files excluded above).
        // Current actual coverage: lines ~50%, functions ~55%, branches ~44%, statements ~50%.
        // Target: raise 5pp per release cycle as integration test suite expands.
        lines: 46,
        functions: 52,
        branches: 40,
        statements: 46,
      },
    },
  },
})