name: CI

on:
  push:
    branches: [main]
  pull_request:

jobs:
  yamllint:
    name: YAML lint
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7

      - name: Get changed YAML files
        id: changed
        uses: tj-actions/changed-files@v47
        with:
          files: "**/*.yaml"

      # yamllint straight from pip: Gitea's runner image doesn't ship it like GitHub's does
      - name: Lint changed YAML files
        if: steps.changed.outputs.any_changed == 'true'
        env:
          PIP_BREAK_SYSTEM_PACKAGES: "1"
        run: |
          pip install --ignore-installed yamllint
          yamllint -c .yamllint.yml -f parsable ${{ steps.changed.outputs.all_changed_files }}

  validate:
    name: ESPHome config validation
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7

      - name: Get changed device configs
        id: changed
        uses: tj-actions/changed-files@v47
        with:
          files: "mcu-*.yaml"

      - name: Install ESPHome (dev)
        if: steps.changed.outputs.any_changed == 'true'
        # Gitea's runner image marks the system Python as externally managed (PEP 668)
        # and has Debian packages pip can't uninstall (pyparsing), so don't touch them
        env:
          PIP_BREAK_SYSTEM_PACKAGES: "1"
        run: pip install --ignore-installed git+https://github.com/esphome/esphome.git@dev

      - name: Prepare secrets
        if: steps.changed.outputs.any_changed == 'true'
        run: cp secrets.yaml.default secrets.yaml

      - name: Validate changed configs
        if: steps.changed.outputs.any_changed == 'true'
        run: |
          for f in ${{ steps.changed.outputs.all_changed_files }}; do
            # zephyr: needs the esphomeplatformzephyr fork, upstream doesn't know it yet
            if grep -q '^zephyr:' "$f"; then echo "Skipping $f (zephyr fork)"; continue; fi
            echo "Validating $f..."
            esphome config "$f"
          done