name: "Build and Push Lambda Image to ECR"
description: "Reusable action for building and pushing lambda Docker image to ECR"

inputs:
  lambda_name:
    description: "Lambda name / ECR repo name"
    required: true
  dockerfile_path:
    description: "Path to Dockerfile"
    required: true
  ecr_tf_dir:
    description: "Path to ECR terraform directory"
    required: true
  lambda_tf_dir:
    description: "Path to Lambda terraform directory"
    required: true
  aws-access-key-id:
    description: "AWS access key"
    required: true
  aws-secret-access-key:
    description: "AWS secret key"
    required: true
  aws-region:
    description: "AWS region"
    required: true
  git-sha:
    description: "Git commit SHA"
    required: true
  git-ref:
    description: "Git ref name"
    required: true

runs:
  using: "composite"
  steps:
    - uses: actions/checkout@v4

    - name: Configure AWS credentials
      uses: aws-actions/configure-aws-credentials@v4
      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: Log in to Amazon ECR
      id: login-ecr
      uses: aws-actions/amazon-ecr-login@v2

    - name: Deploy ECR
      uses: ./.github/workflows/actions/terraform-deploy
      with:
        working_directory: ${{ inputs.ecr_tf_dir }}
        aws-access-key-id: ${{ inputs.aws-access-key-id }}
        aws-secret-access-key: ${{ inputs.aws-secret-access-key }}
        aws-region: ${{ inputs.aws-region }}
    - name: Set Docker image tag
      id: set_tag
      shell: bash
      run: |
        SHORT_SHA=$(echo "${{ inputs.git-sha }}" | cut -c1-7)
        BRANCH=$(echo "${{ inputs.git-ref }}" | tr '/' '-')
        TAG="${BRANCH}-${SHORT_SHA}"
        echo "IMAGE_TAG=${TAG}" >> $GITHUB_ENV
        echo "tag=$TAG" >> $GITHUB_OUTPUT

    - name: Build and push Docker image
      shell: bash
      run: |
        IMAGE_URI=${{ steps.login-ecr.outputs.registry }}/${{ inputs.lambda_name }}:${{ steps.set_tag.outputs.tag }}
        echo "Building Docker image for ${{ inputs.lambda_name }}..."
        docker build -t $IMAGE_URI -f ${{ inputs.dockerfile_path }} .
        
        echo "Pushing to ECR..."
        docker push $IMAGE_URI

    - name: Deploy Lambda
      uses: ./.github/workflows/actions/terraform-deploy
      with:
        working_directory: ${{ inputs.lambda_tf_dir }}
        aws-access-key-id: ${{ inputs.aws-access-key-id }}
        aws-secret-access-key: ${{ inputs.aws-secret-access-key }}
        aws-region: ${{ inputs.aws-region }}
        lambda-image-tag: ${{ steps.set_tag.outputs.tag }}