name: Build Docs
on:
  push:
    branches:
      - main

jobs:
  changes:
    runs-on: ubuntu-latest
    # Set job outputs to values from filter step
    outputs:
      docs: ${{ steps.filter.outputs.docs }}
    steps:
    - name: Base requirements
      run: |
        apk update && apk add --no-cache nodejs
    - uses: actions/checkout@v4
    # For pull requests it's not necessary to checkout the code but for the main branch it is
    - uses: dorny/paths-filter@v3
      id: filter
      with:
        filters: |
          docs:
            - README.md
            - docs/**
            - requirements-docs.txt
            - pyproject.toml
            - mkdocs.yml
            - Dockerfile.docs-site
            - docker-compose.docs-site.yml
            - .gitea/workflows/build-docs.yml
            - .gitea/workflows/deploy-docs.yml

  build-docs:
    needs:
      - changes
    if: ${{ needs.changes.outputs.docs == 'true' }}
    runs-on: ubuntu-latest
    steps:
      - name: Base requirements
        run: |
          apk update && apk add --no-cache nodejs
      - uses: actions/checkout@v4
      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.13"
      - name: Setup uv
        uses: astral-sh/setup-uv@v5
        with:
          version: "0.6.3"
          enable-cache: true
          cache-dependency-glob: |
            requirements**.txt
            pyproject.toml
      - name: Install docs extras
        run: uv pip install -r requirements-docs.txt
      - name: Build Docs
        run: mkdocs build
      - name: Build Docker Image
        run: |
          docker build -f Dockerfile.docs-site -t registry.botforge.biz/${{ vars.STACK_NAME }} .
          docker tag ${{ vars.STACK_NAME }}:latest registry.botforge.biz/${{ vars.STACK_NAME }}
          docker login registry.botforge.biz -u ${{ secrets.REGISTRY_USER }} -p ${{ secrets.REGISTRY_PASSWORD }}
          docker push registry.botforge.biz/${{ vars.STACK_NAME }}

  deploy-docs:
    needs:
      - build-docs
    runs-on: staging
    env:
      STACK_NAME: ${{ vars.STACK_NAME }}
      DOMAIN: ${{ vars.DOMAIN }}
    steps:
      - uses: actions/checkout@v4
      - name: Copy to working directory
        run: |
          mkdir -p ~/${{ vars.STACK_NAME }}
          cp docker-compose.docs-site.yml ~/${{ vars.STACK_NAME }}/docker-compose.yml
      - name: Start Docs Site
        run: |
          cd ~/${{ vars.STACK_NAME }}
          docker-compose up -d