name: Deploy to Amazon ECS

on:
  push:
    branches: [ "main" ]
  workflow_dispatch:
    inputs:
      environment:
        description: "Choose environment to deploy"
        required: true
        default: "staging"
        type: choice
        options:
          - staging
          - production

env:
  AWS_REGION: us-east-2
  ECR_REPOSITORY: property-listings
  ECS_TASK_DEFINITION: .aws/task-definition.json
  CONTAINER_NAME: property-api

permissions:
  contents: read

jobs:
  deploy:
    name: Deploy to ECS
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set environment-specific vars
        id: set-env
        run: |
          if [[ "${{ github.event.inputs.environment }}" == "production" || "${{ github.ref }}" == "refs/heads/main" ]]; then
            echo "ECS_CLUSTER=property-cluster-prod" >> $GITHUB_ENV
            echo "ECS_SERVICE=property-api-service-prod" >> $GITHUB_ENV
            echo "SLACK_CHANNEL=#deployments-prod" >> $GITHUB_ENV
          else
            echo "ECS_CLUSTER=property-cluster-staging" >> $GITHUB_ENV
            echo "ECS_SERVICE=property-api-service-staging" >> $GITHUB_ENV
            echo "SLACK_CHANNEL=#deployments-staging" >> $GITHUB_ENV
          fi

      - name: Configure AWS credentials
        uses: aws-actions/configure-aws-credentials@v1
        with:
          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
          aws-region: ${{ env.AWS_REGION }}

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

      - name: Build, tag, and push image to Amazon ECR
        id: build-image
        env:
          ECR_REGISTRY: ${{ steps.login-ecr.outputs.registry }}
          IMAGE_TAG: ${{ github.sha }}
        run: |
          docker build -t $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG .
          docker push $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG
          echo "image=$ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG" >> $GITHUB_OUTPUT

      - name: Fill in the new image ID in the Amazon ECS task definition
        id: task-def
        uses: aws-actions/amazon-ecs-render-task-definition@v1
        with:
          task-definition: ${{ env.ECS_TASK_DEFINITION }}
          container-name: ${{ env.CONTAINER_NAME }}
          image: ${{ steps.build-image.outputs.image }}

      - name: Deploy Amazon ECS task definition
        uses: aws-actions/amazon-ecs-deploy-task-definition@v1
        with:
          task-definition: ${{ steps.task-def.outputs.task-definition }}
          service: ${{ env.ECS_SERVICE }}
          cluster: ${{ env.ECS_CLUSTER }}
          wait-for-service-stability: true

      - name: Slack notification
        if: always()
        uses: slackapi/slack-github-action@v1.27.0
        with:
          payload: |
            {
              "channel": "${{ env.SLACK_CHANNEL }}",
              "text": ":rocket: ECS Deploy *${{ github.event.inputs.environment || 'production' }}* completed for commit <${{ github.server_url }}/${{ github.repository }}/commit/${{ github.sha }}|${{ github.sha }}> - Status: ${{ job.status }}"
            }
        env:
          SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}