AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: >
  serverless-python-demo

  Sample SAM Template for serverless-python-demo

Globals:
  Api:
    TracingEnabled: true
    EndpointConfiguration:
      Type: REGIONAL
  Function:
    Timeout: 5
    Runtime: python3.9
    MemorySize: 256
    Tracing: Active
    Architectures:
      - arm64
    Environment:
      Variables:
        TABLE: !Ref Table
        LOG_LEVEL: INFO
        POWERTOOLS_LOGGER_SAMPLE_RATE: 0.1
        POWERTOOLS_LOGGER_LOG_EVENT: true
        POWERTOOLS_METRICS_NAMESPACE: ServerlessPythonDemo
        POWERTOOLS_SERVICE_NAME: api-service

Resources:
  GetProductsApiFunction:
    Type: AWS::Serverless::Function 
    Properties:
      CodeUri: ./src/get_products
      Handler: app.lambda_handler
      Policies:
        - DynamoDBReadPolicy:
            TableName: !Ref Table
      Layers:
        - !Ref PyUtils
      Events:
        GetProducts:
          Type: Api 
          Properties:
            Path: /products
            Method: GET

  GetProductApiFunction:
    Type: AWS::Serverless::Function 
    Properties:
      CodeUri: ./src/get_product
      Handler: app.lambda_handler
      Policies:
        - DynamoDBReadPolicy:
            TableName: !Ref Table
      Layers:
        - !Ref PyUtils
      Events:
        GetProducts:
          Type: Api 
          Properties:
            Path: /products/{id}
            Method: GET

  PutProductApiFunction:
    Type: AWS::Serverless::Function 
    Properties:
      CodeUri: ./src/put_product
      Handler: app.lambda_handler
      Policies:
        - DynamoDBWritePolicy:
            TableName: !Ref Table
      Layers:
        - !Ref PyUtils
      Events:
        PutProduct:
          Type: Api 
          Properties:
            Path: /products/{id}
            Method: PUT

  DeleteProductApiFunction:
    Type: AWS::Serverless::Function 
    Properties:
      CodeUri: ./src/delete_product
      Handler: app.lambda_handler
      Policies:
        - DynamoDBCrudPolicy:
            TableName: !Ref Table
      Layers:
        - !Ref PyUtils
      Events:
        DeleteProduct:
          Type: Api 
          Properties:
            Path: /products/{id}
            Method: DELETE
  PyUtils:
        Type: AWS::Serverless::LayerVersion
        Properties:
            LayerName: data-store-layer
            Description: Dependencies for lambda functions [sam-with-layers]
            ContentUri: src/pyutils
            CompatibleRuntimes:
              - python3.9
            RetentionPolicy: Delete
        Metadata:
          BuildMethod: python3.9
  
  Table:
    Type: AWS::DynamoDB::Table
    Properties:
      AttributeDefinitions:
        - AttributeName: id
          AttributeType: S
      BillingMode: PAY_PER_REQUEST
      KeySchema:
        - AttributeName: id
          KeyType: HASH

Outputs:
  ServerlessDemoApi:
    Description: "API Gateway endpoint URL for Prod stage for Serverless Demo functions"
    Value: !Sub "https://${ServerlessRestApi}.execute-api.${AWS::Region}.amazonaws.com/Prod/"