name: Build and Push to ECR
description: Fully prepares, builds, and pushes a Docker image to AWS ECR.

inputs:
  dockerfile:
    description: 'Path to Dockerfile'
    required: true
  image-name:
    description: 'ECR repo name (e.g. api or dbmigrate)'
    required: true
  aws-region:
    description: 'AWS region'
    required: true
  aws-access-key-id:
    description: 'AWS Access Key ID'
    required: true
  aws-secret-access-key:
    description: 'AWS Secret Access Key'
    required: true
  github-sha:
    description: 'Commit SHA to tag the image with'
    default: ${{ github.sha }}

outputs:
  ecr_image:
    description: 'Final ECR image URI'
    value: ${{ steps.build.outputs.ecr_image }}

runs:
  using: composite
  steps:
    - name: Setup AWS Credentials
      uses: aws-actions/configure-aws-credentials@v1
      with:
        aws-access-key-id: ${{ inputs.aws-access-key-id }}
        aws-secret-access-key: ${{ inputs.aws-secret-access-key }}
        aws-region: ${{ inputs.aws-region }}

    - name: Login to Amazon ECR
      id: ecr-login
      uses: aws-actions/amazon-ecr-login@v1

    - name: Download generated files
      uses: actions/download-artifact@v4
      with:
        name: generated-code
        path: ${{ github.workspace }}

    - name: List generated files
      shell: bash
      run: |
        echo "Listing .gen.ts and .gen.d.ts files:"
        pwd
        find . -name "*.gen.ts" -o -name "*.gen.d.ts"

    - name: Build and Push Docker Image
      shell: bash
      id: build
      run: |
        IMAGE_URI=${{ steps.ecr-login.outputs.registry }}/${{ inputs.image-name }}:${{ inputs.github-sha }}
        docker build -t $IMAGE_URI -f ${{ inputs.dockerfile }} .
        docker tag $IMAGE_URI ${{ steps.ecr-login.outputs.registry }}/${{ inputs.image-name }}:latest
        docker push $IMAGE_URI
        docker push ${{ steps.ecr-login.outputs.registry }}/${{ inputs.image-name }}:latest
        # Safe base64 encode and output
        IMAGE_URI_BASE64=$(echo -n "$IMAGE_URI" | base64 | tr -d '\n')
        echo "ecr_image=$IMAGE_URI_BASE64" >> $GITHUB_OUTPUT