name: Build and Push Docker Image
on:
  workflow_run:
    workflows:
      - Run E2E Tests
    types:
      - completed

jobs:
  build-and-push:
    if: ${{ github.event_name != 'workflow_run' || (github.event.workflow_run.conclusion == 'success' && (github.event.workflow_run.head_branch == 'main' || github.event.workflow_run.head_branch == 'refs/heads/main')) }}
    runs-on: ubuntu-latest
    env:
      DEFAULT_BRANCH: main
      REGISTRY_ORG: allucanget
      REGISTRY_IMAGE_NAME: calminer
      REGISTRY_URL: ${{ secrets.REGISTRY_URL }}
      REGISTRY_USERNAME: ${{ secrets.REGISTRY_USERNAME }}
      REGISTRY_PASSWORD: ${{ secrets.REGISTRY_PASSWORD }}
      WORKFLOW_RUN_HEAD_BRANCH: ${{ github.event.workflow_run.head_branch }}
      WORKFLOW_RUN_HEAD_SHA: ${{ github.event.workflow_run.head_sha }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Collect workflow metadata
        id: meta
        shell: bash
        run: |
          ref_name="${GITHUB_REF_NAME:-${GITHUB_REF##*/}}"
          event_name="${GITHUB_EVENT_NAME:-}"
          sha="${GITHUB_SHA:-}"

          if [ -z "$ref_name" ] && [ -n "${WORKFLOW_RUN_HEAD_BRANCH:-}" ]; then
            ref_name="${WORKFLOW_RUN_HEAD_BRANCH}"
          fi

          if [ -z "$sha" ] && [ -n "${WORKFLOW_RUN_HEAD_SHA:-}" ]; then
            sha="${WORKFLOW_RUN_HEAD_SHA}"
          fi

          if [[ "$ref_name" == refs/heads/* ]]; then
            ref_name="${ref_name#refs/heads/}"
          fi

          if [ "$ref_name" = "${DEFAULT_BRANCH:-main}" ]; then
            echo "on_default=true" >> "$GITHUB_OUTPUT"
          else
            echo "on_default=false" >> "$GITHUB_OUTPUT"
          fi

          echo "ref_name=$ref_name" >> "$GITHUB_OUTPUT"
          echo "event_name=$event_name" >> "$GITHUB_OUTPUT"
          echo "sha=$sha" >> "$GITHUB_OUTPUT"

      - name: Set up QEMU and Buildx
        uses: docker/setup-buildx-action@v3
        with:
          install: false

      - name: Log in to Gitea registry
        if: ${{ steps.meta.outputs.on_default == 'true' }}
        uses: docker/login-action@v3
        continue-on-error: true
        with:
          registry: ${{ env.REGISTRY_URL }}
          username: ${{ env.REGISTRY_USERNAME }}
          password: ${{ env.REGISTRY_PASSWORD }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v4
        with:
          context: .
          file: Dockerfile
          push: ${{ steps.meta.outputs.on_default == 'true' && steps.meta.outputs.event_name != 'pull_request' && (env.REGISTRY_URL != '' && env.REGISTRY_USERNAME != '' && env.REGISTRY_PASSWORD != '') }}
          tags: |
            ${{ env.REGISTRY_URL }}/${{ env.REGISTRY_ORG }}/${{ env.REGISTRY_IMAGE_NAME }}:latest
            ${{ env.REGISTRY_URL }}/${{ env.REGISTRY_ORG }}/${{ env.REGISTRY_IMAGE_NAME }}:${{ steps.meta.outputs.sha }}
          cache-from: type=gha
          cache-to: type=gha,mode=max