openapi: "3.0.1"
info:
  title: "Canary Deployment"
  version: "1.0.0"

x-amazon-apigateway-request-validators:
  all:
    validateRequestBody: true
    validateRequestParameters: true
  params:
    validateRequestBody: false
    validateRequestParameters: true
  body:
    validateRequestBody: true
    validateRequestParameters: false

paths:
  /{year}:
    get:
      x-amazon-apigateway-request-validator: params
      responses:
        "200":
          description: "200 redirect"
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/PostBody"

      ## API Gateway Integration
      x-amazon-apigateway-integration:
        credentials:
          Fn::GetAtt: [DDBReadRole, Arn]
        uri:
          {
            "Fn::Sub": "arn:aws:apigateway:${AWS::Region}:dynamodb:action/GetItem",
          }
        httpMethod: "POST"
        requestTemplates:
          application/json:
            {
              "Fn::Sub": '{"Key": {"year": {"S": "$input.params("year")"}}, "TableName": "${DataTable}"}',
            }
        passthroughBehavior: "when_no_templates"
        type: "aws"
        responses:
          "":
            statusCode: "200"
            responseTemplates:
              application/json: '{
                "year": "$input.path(''$.Item.year.S'')",
                "country": "$input.path(''$.Item.country.S'')",
                "winner": "$input.path(''$.Item.winner.S'')"
                }'