name: CI

on:
  push:
    branches: [main, experiment/*]
  pull_request:
    branches: [main]

jobs:
  test:
    name: Tests & Quality Checks
    runs-on: macos-latest
    
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0  # Full history for CodeScene
      
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          
      - name: Setup pnpm
        uses: pnpm/action-setup@v2
        with:
          version: 8
          
      - name: Setup Rust
        uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt, clippy
          
      - name: Install dependencies
        run: pnpm install --frozen-lockfile
        
      # 1. Run all tests
      - name: Run frontend tests
        run: pnpm test
        
      - name: Run Rust tests
        run: cargo test --manifest-path=src-tauri/Cargo.toml
        
      # 2. Test coverage (with baseline comparison)
      - name: Run frontend coverage
        run: pnpm test:coverage || pnpm vitest run --coverage
        
      - name: Check coverage threshold
        run: |
          # Extract coverage percentage from vitest output
          # This is a simple check - can be enhanced with coverage reporting tools
          echo "Coverage check would go here - vitest has built-in thresholds"
          
      # 3. Code Health (CodeScene)
      # TODO: Add CodeScene CLI integration when available
      # For now, rely on local CodeScene checks via MCP
      - name: CodeScene Check (placeholder)
        run: |
          echo "⚠️  CodeScene delta analysis not yet configured"
          echo "Run locally: codescene delta-analysis --base-revision origin/main"
          echo "Or use CodeScene MCP tools in Claude Code"
          
      # 4. Documentation check (warning only)
      - name: Check docs are updated
        continue-on-error: true
        run: |
          # Skip check if commit message contains [skip docs]
          if git log -1 --pretty=%B | grep -i '\[skip docs\]' > /dev/null; then
            echo "⏭️  Documentation check skipped (commit message contains [skip docs])"
            exit 0
          fi
          
          # Get changed files
          if git diff --name-only origin/main | grep -E '^(src/|src-tauri/)' > /dev/null; then
            # If code changed, check if docs changed too
            if ! git diff --name-only origin/main | grep -E '^docs/' > /dev/null; then
              echo "⚠️  Code files changed but docs/ not updated"
              echo "Changed code files:"
              git diff --name-only origin/main | grep -E '^(src/|src-tauri/)'
              echo ""
              echo "If this change affects architecture/abstractions/design documented in docs/,"
              echo "please update the relevant documentation files."
              echo ""
              echo "To skip this check, include [skip docs] in your commit message."
              # Warning only - don't fail
              exit 0
            fi
          fi
          echo "✅ Documentation check passed"
          
      # Lint checks
      - name: Lint frontend
        run: pnpm lint || echo "Add lint script to package.json"
        
      - name: Clippy (Rust)
        run: cargo clippy --manifest-path=src-tauri/Cargo.toml -- -D warnings
        
      - name: Format check (Rust)
        run: cargo fmt --manifest-path=src-tauri/Cargo.toml -- --check