# ============================================================================
# BlackRoad OS - CI Pipeline
# Copyright (c) 2025 BlackRoad OS, Inc. / Alexa Louise Amundson
# All Rights Reserved.
# ============================================================================
#
# Continuous Integration workflow for BlackRoad OS components.
# Runs on push to main/master and all pull requests.
#
# Jobs:
#   - lint: Shell and Python linting
#   - test-python: Python syntax validation and unit tests
#   - test-shell: ShellCheck validation
#   - security: Basic security scanning
# ============================================================================

name: CI

on:
  push:
    branches: [main, master, staging, develop]
  pull_request:
    branches: [main, master, staging, develop]

env:
  PYTHON_VERSION: "3.11"

jobs:
  # ─────────────────────────────────────────────────────────────────────────
  # Lint Job - Check code style and syntax
  # ─────────────────────────────────────────────────────────────────────────
  lint:
    name: Lint
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: ${{ env.PYTHON_VERSION }}

      - name: Install linters
        run: |
          pip install --upgrade pip
          pip install ruff black

      - name: Run Ruff (Python linter)
        run: ruff check --output-format=github . || true
        continue-on-error: true

      - name: Check Python formatting with Black
        run: black --check --diff . || true
        continue-on-error: true

  # ─────────────────────────────────────────────────────────────────────────
  # Python Tests - Syntax validation and unit tests
  # ─────────────────────────────────────────────────────────────────────────
  test-python:
    name: Python Tests
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: ${{ env.PYTHON_VERSION }}

      - name: Install dependencies
        run: |
          pip install --upgrade pip
          if [ -f requirements.txt ]; then
            pip install -r requirements.txt
          else
            pip install pytest pytest-cov pyyaml flask requests
          fi

      - name: Validate Python syntax
        run: |
          echo "Validating Python syntax..."
          find . -name "*.py" -type f | while read f; do
            python3 -m py_compile "$f" && echo "✓ $f"
          done

      - name: Run pytest with coverage
        run: |
          if [ -d "tests" ]; then
            echo "Running tests with coverage..."
            pytest tests/ -v --cov=. --cov-report=term --cov-report=xml --cov-report=html
          else
            echo "No tests directory found, skipping pytest"
          fi

      - name: Upload coverage report
        if: success()
        uses: codecov/codecov-action@v4
        with:
          file: ./coverage.xml
          fail_ci_if_error: false
        env:
          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

  # ─────────────────────────────────────────────────────────────────────────
  # Shell Tests - ShellCheck validation
  # ─────────────────────────────────────────────────────────────────────────
  test-shell:
    name: Shell Tests
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install ShellCheck
        run: sudo apt-get install -y shellcheck

      - name: Run ShellCheck on shell scripts
        run: |
          echo "Running ShellCheck..."
          find . -name "*.sh" -type f | head -20 | while read f; do
            echo "Checking: $f"
            shellcheck --severity=warning "$f" || true
          done
        continue-on-error: true

  # ─────────────────────────────────────────────────────────────────────────
  # Security Scan - Basic security checks
  # ─────────────────────────────────────────────────────────────────────────
  security:
    name: Security Scan
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Check for secrets in code
        run: |
          echo "Scanning for potential secrets..."
          # Check for common secret patterns (informational only)
          if grep -rE "(password|secret|api_key|token)\s*=\s*['\"][^'\"]+['\"]" \
               --include="*.py" --include="*.sh" --include="*.yaml" . 2>/dev/null; then
            echo "::warning::Potential hardcoded secrets found. Please review."
          else
            echo "No obvious hardcoded secrets detected."
          fi
        continue-on-error: true

      - name: Check for .env files
        run: |
          if find . -name ".env" -o -name ".env.*" | grep -q .; then
            echo "::warning::.env files found in repository"
          else
            echo "No .env files in repository"
          fi