name: CI - Lint, Test, and Push Docker Image

on:
  push:
    branches: [ "main" ]
  pull_request:
    branches: [ "main" ]
  schedule:
    - cron: '0 0 3 * *'  # monthly refresh
  workflow_dispatch:

jobs:
  lint-and-test:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.12'
          cache: pip

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install -r requirements.txt
          pip install coverage

      - name: Ruff lint
        run: ruff check .

      - name: Run pytest with coverage
        run: |
          coverage run -m pytest tests/ -v
          coverage report

  build:
    runs-on: ubuntu-latest
    needs: lint-and-test
    if: github.event_name != 'pull_request'
    steps:
      - name: Set Image name
        run: |
          echo "IMAGE_NAME=k2patel/apcupsd-client:latest" >> $GITHUB_ENV

      - name: Checkout code
        uses: actions/checkout@v4

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_TOKEN }}

      - name: Build the Docker image
        id: build
        run: |
          docker build . -t ${{ env.IMAGE_NAME }}

      - name: Push the Docker image
        run: docker push ${{ env.IMAGE_NAME }}