name: Build Docker Image

on:
  push:
    branches:
      - main
  workflow_dispatch:

env:
  LOCAL_IMAGE_NAME: wdw-sitemap-and-importer
  REGISTRY: ${{ secrets.REGISTRY_URL }}
  REGISTRY_USERNAME: ${{ secrets.REGISTRY_USERNAME }}
  REGISTRY_PASSWORD: ${{ secrets.REGISTRY_PASSWORD }}

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      - name: Check out repository
        uses: actions/checkout@v4

      - name: Build image
        run: docker build -t "${LOCAL_IMAGE_NAME}:${{ gitea.sha }}" .

      - name: Tag latest image
        run: docker tag "${LOCAL_IMAGE_NAME}:${{ gitea.sha }}" "${LOCAL_IMAGE_NAME}:latest"

      - name: Log in and push image
        run: |
          if [ -z "${REGISTRY}" ] || [ -z "${REGISTRY_USERNAME}" ] || [ -z "${REGISTRY_PASSWORD}" ]; then
            echo "Registry secrets are not fully configured. Skipping registry login and push."
            echo "Expected secrets: REGISTRY_URL, REGISTRY_USERNAME, REGISTRY_PASSWORD"
            exit 0
          fi

          REGISTRY_HOST="${REGISTRY#http://}"
          REGISTRY_HOST="${REGISTRY_HOST#https://}"
          REGISTRY_HOST="${REGISTRY_HOST%/}"
          IMAGE_REPOSITORY="$(printf '%s' '${{ gitea.repository }}' | tr '[:upper:]' '[:lower:]')"
          FULL_IMAGE="${REGISTRY_HOST}/${IMAGE_REPOSITORY}"

          echo "Pushing image to ${FULL_IMAGE}"

          echo "${REGISTRY_PASSWORD}" | docker login "${REGISTRY_HOST}" -u "${REGISTRY_USERNAME}" --password-stdin

          docker tag "${LOCAL_IMAGE_NAME}:${{ gitea.sha }}" "${FULL_IMAGE}:${{ gitea.sha }}"
          docker tag "${LOCAL_IMAGE_NAME}:latest" "${FULL_IMAGE}:latest"

          docker push "${FULL_IMAGE}:${{ gitea.sha }}"
          docker push "${FULL_IMAGE}:latest"