name: Build and Push Docker Image

on:
  push:
    tags:
      - 'v*'
  workflow_dispatch:
    inputs:
      test_tag:
        description: 'Test tag name (e.g., v0.1.1-test)'
        required: false
        default: 'v0.1.1-test'

env:
  GHCR_REGISTRY: ghcr.io
  IMAGE_NAME: insforge-oss

jobs:
  build-amd64:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      id-token: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v4
        with:
          registry: ${{ env.GHCR_REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GHCR_PAT }}

      - name: Extract metadata for GHCR
        id: meta
        uses: docker/metadata-action@v6
        with:
          images: ${{ env.GHCR_REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}
          flavor: |
            suffix=-amd64
            latest=false
          tags: |
            type=ref,event=tag
            type=raw,value=${{ github.event.inputs.test_tag }},enable=${{ github.event_name == 'workflow_dispatch' }}

      - name: Build and push (amd64)
        uses: docker/build-push-action@v7
        with:
          context: .
          target: runner
          platforms: linux/amd64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha,scope=amd64
          cache-to: type=gha,mode=max,scope=amd64
          build-args: |
            VERSION=${{ github.ref_name }}
            BUILD_DATE=${{ github.event.head_commit.timestamp }}
            COMMIT_SHA=${{ github.sha }}
            VITE_PUBLIC_POSTHOG_KEY=${{ secrets.POSTHOG_KEY }}

  build-arm64:
    runs-on: ubuntu-24.04-arm
    permissions:
      contents: read
      packages: write
      id-token: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v4
        with:
          registry: ${{ env.GHCR_REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GHCR_PAT }}

      - name: Extract metadata for GHCR
        id: meta
        uses: docker/metadata-action@v6
        with:
          images: ${{ env.GHCR_REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}
          flavor: |
            suffix=-arm64
            latest=false
          tags: |
            type=ref,event=tag
            type=raw,value=${{ github.event.inputs.test_tag }},enable=${{ github.event_name == 'workflow_dispatch' }}

      - name: Build and push (arm64)
        uses: docker/build-push-action@v7
        with:
          context: .
          target: runner
          platforms: linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha,scope=arm64
          cache-to: type=gha,mode=max,scope=arm64
          build-args: |
            VERSION=${{ github.ref_name }}
            BUILD_DATE=${{ github.event.head_commit.timestamp }}
            COMMIT_SHA=${{ github.sha }}
            VITE_PUBLIC_POSTHOG_KEY=${{ secrets.POSTHOG_KEY }}

  merge-manifests:
    needs: [build-amd64, build-arm64]
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v4
        with:
          registry: ${{ env.GHCR_REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GHCR_PAT }}

      - name: Extract metadata for GHCR
        id: meta
        uses: docker/metadata-action@v6
        with:
          images: ${{ env.GHCR_REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}
          flavor: |
            latest=false
          tags: |
            type=ref,event=tag
            type=raw,value=${{ github.event.inputs.test_tag }},enable=${{ github.event_name == 'workflow_dispatch' }}
            type=raw,value=latest,enable=${{ github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v') && !contains(github.ref_name, '-') }}

      - name: Create and push multi-arch manifest
        env:
          GHCR_IMAGE_RAW: ${{ env.GHCR_REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}
          SOURCE_VERSION: ${{ github.event_name == 'workflow_dispatch' && github.event.inputs.test_tag || github.ref_name }}
        run: |
          GHCR_IMAGE=$(echo "${GHCR_IMAGE_RAW}" | tr '[:upper:]' '[:lower:]')
          for TAG in $(echo "${{ steps.meta.outputs.tags }}" | tr ',' '\n'); do
            docker buildx imagetools create \
              --tag "${TAG}" \
              "${GHCR_IMAGE}:${SOURCE_VERSION}-amd64" \
              "${GHCR_IMAGE}:${SOURCE_VERSION}-arm64"
          done

  push-to-ecr:
    needs: merge-manifests
    runs-on: ubuntu-latest
    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v') && !contains(github.ref_name, '-')
    permissions:
      id-token: write
      contents: read

    steps:
      - name: Configure AWS credentials
        uses: aws-actions/configure-aws-credentials@v6
        with:
          role-to-assume: ${{ secrets.AWS_ECR_ROLE_ARN }}
          aws-region: ${{ secrets.AWS_ECR_REGION }}

      - name: Login to Amazon ECR
        id: ecr-login
        uses: aws-actions/amazon-ecr-login@v2

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v4
        with:
          registry: ${{ env.GHCR_REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GHCR_PAT }}

      - name: Install crane
        uses: imjasonh/setup-crane@6da1ae018866400525525ce74ff892880c099987  # v0.5

      - name: Copy multi-arch image to ECR
        env:
          ECR_REGISTRY: ${{ steps.ecr-login.outputs.registry }}
          VERSION: ${{ github.event_name == 'workflow_dispatch' && github.event.inputs.test_tag || github.ref_name }}
          GHCR_IMAGE_RAW: ${{ env.GHCR_REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}
          ECR_IMAGE: ${{ steps.ecr-login.outputs.registry }}/${{ env.IMAGE_NAME }}
          TAG_LATEST: ${{ github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v') && !contains(github.ref_name, '-') }}
        run: |
          # Convert GHCR image name to lowercase (Docker requires lowercase)
          GHCR_IMAGE=$(echo "${GHCR_IMAGE_RAW}" | tr '[:upper:]' '[:lower:]')
          # Copy multi-arch image from GHCR to ECR (preserves all platforms)
          crane copy ${GHCR_IMAGE}:${VERSION} ${ECR_IMAGE}:${VERSION}
          if [[ "${TAG_LATEST}" == "true" ]]; then
            crane copy ${GHCR_IMAGE}:${VERSION} ${ECR_IMAGE}:latest
          fi