name: Deploy jar to EC2

on:
  push:
    branches: [ "main" ]

permissions:
  id-token: write # This is required for requesting the JWT
  contents: read # This is required for actions/checkout

jobs:
  build:

    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
      - name: Set up JDK 17
        uses: actions/setup-java@v3
        with:
          java-version: '17'
          distribution: 'temurin'
          cache: maven

      - name: Create application-local.properties file
        run: |
          echo "spring.datasource.url=${{ secrets.DB_URL }}" >> src/main/resources/application-local.properties
          echo "spring.datasource.username=${{ secrets.DB_USERNAME }}" >> src/main/resources/application-local.properties
          echo "spring.datasource.password=${{ secrets.DB_PASSWORD }}" >> src/main/resources/application-local.properties
          echo "spring.datasource.driver-class-name=${{ secrets.DB_DRIVER }}" >> src/main/resources/application-local.properties
          echo "spring.jpa.hibernate.ddl-auto=update" >> src/main/resources/application-local.properties
          echo "spring.jpa.show-sql=true" >> src/main/resources/application-local.properties

      - name: Build with Maven
        run: mvn -B package --file pom.xml

      - name: Configure AWS Credentials
        id: configure-aws-credentials
        uses: aws-actions/configure-aws-credentials@v4
        with:
          role-to-assume: arn:aws:iam::${{ secrets.AWS_ACCOUNT_ID }}:role/${{ secrets.AWS_ROLE }}
          aws-region: ${{ secrets.AWS_REGION }}

      - name: Get Instance ID
        id: get_instance_id
        run: |
          INSTANCE_ID=$(aws ec2 describe-instances --filters "Name=tag:Name,Values=safeqr-ec2" --query "Reservations[0].Instances[0].InstanceId" --output text)
          echo "INSTANCE_ID=$INSTANCE_ID" >> $GITHUB_ENV 

      - name: Upload JAR to S3
        run: |
          aws s3 cp target/app-0.0.1-SNAPSHOT.jar s3://s3-bucket-safeqr/

      - name: Get Presigned URL
        id: presigned_url
        run: |
          URL=$(aws s3 presign s3://s3-bucket-safeqr/app-0.0.1-SNAPSHOT.jar --expires-in 3600)
          echo "PRESIGNED_URL=$URL" >> $GITHUB_ENV

      - name: Download and Verify JAR on EC2
        run: |
          aws ssm send-command --instance-ids ${{ env.INSTANCE_ID }} --document-name "AWS-RunShellScript" --comment "Download JAR file" --parameters 'commands=["curl -o /home/ec2-user/app-0.0.1-SNAPSHOT.jar ${{ env.PRESIGNED_URL }}", "ls -l /home/ec2-user/app-0.0.1-SNAPSHOT.jar"]'

      - name: Create and Start Systemd Service
        run: |
          aws ssm send-command --instance-ids ${{ env.INSTANCE_ID }} --document-name "AWS-RunShellScript" --comment "Create and start service" --parameters 'commands=["sudo bash -c '\''echo -e \"[Unit]\\nDescription=Spring Boot Application\\nAfter=network.target\\n\\n[Service]\\nUser=ec2-user\\nExecStart=/usr/bin/java -jar /home/ec2-user/app-0.0.1-SNAPSHOT.jar\\nRestart=always\\n\\n[Install]\\nWantedBy=multi-user.target\" > /etc/systemd/system/springboot-app.service'\''", "sudo systemctl daemon-reload", "sudo systemctl enable springboot-app", "sudo systemctl start springboot-app", "sudo systemctl status springboot-app"]'