AWSTemplateFormatVersion: 2010-09-09
Description: AppSync setup
Parameters:
  FunctionStack:
    Description: The stack name that deploys the Lambda functions to invoke.
    Type: String
Resources:
  DataSourceRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument:
        Version: 2012-10-17
        Statement:
          - Action: sts:AssumeRole
            Effect: Allow
            Principal:
              Service: appsync.amazonaws.com
      Policies:
        - PolicyName: LambdaInvoker
          PolicyDocument:
            Version: 2012-10-17
            Statement:
              - Action: lambda:InvokeFunction
                Effect: Allow
                Resource:
                  - Fn::Join:
                    - ''
                    - - 'arn:aws:lambda:'
                      - !Ref AWS::Region
                      - ':'
                      - !Ref AWS::AccountId
                      - ':function:'
                      - Fn::ImportValue:
                          !Sub '${FunctionStack}-functions-Application'
                  - Fn::Join:
                    - ''
                    - - 'arn:aws:lambda:'
                      - !Ref AWS::Region
                      - ':'
                      - !Ref AWS::AccountId
                      - ':function:'
                      - Fn::ImportValue:
                          !Sub '${FunctionStack}-functions-Application'
                      - ':*'
                  - Fn::Join:
                    - ''
                    - - 'arn:aws:lambda:'
                      - !Ref AWS::Region
                      - ':'
                      - !Ref AWS::AccountId
                      - ':function:'
                      - Fn::ImportValue:
                          !Sub '${FunctionStack}-functions-Info'
                  - Fn::Join:
                    - ''
                    - - 'arn:aws:lambda:'
                      - !Ref AWS::Region
                      - ':'
                      - !Ref AWS::AccountId
                      - ':function:'
                      - Fn::ImportValue:
                          !Sub '${FunctionStack}-functions-Info'
                      - ':*'
      RoleName: !Sub '${AWS::StackName}-lambda-role'
  GqlApi:
    Type: AWS::AppSync::GraphQLApi
    Properties:
      AuthenticationType:  AWS_IAM
      Name: !Ref AWS::StackName
  GqlSchema:
    Type: AWS::AppSync::GraphQLSchema
    Properties:
      ApiId: !GetAtt GqlApi.ApiId
      Definition: |
        type Mutation {

        }

        type Query {

          getApplication(cognitoIdentityId__: String): 

          getInfo(cognitoIdentityId__: String): Info

        }

        input ApplicationInput {
          deploymentGroups: [deployment_groupInput]
          name: String
        }
        type Application {
          deploymentGroups: [deployment_group]! 
          name: String! 
        }
        input DeploymentInput {
          completed: AWSDateTime
          created: AWSDateTime
          creator: String
          deploymentGroupName: String
          errorMessage: String
          failed: Int
          id: String
          inProgress: Int
          instances: [deployment_instanceInput]
          pending: Int
          revisionLocation: String
          skipped: Int
          started: AWSDateTime
          status: String
          succeeded: Int
        }
        type Deployment {
          completed: AWSDateTime! 
          created: AWSDateTime! 
          creator: String! 
          deploymentGroupName: String! 
          errorMessage: String
          failed: Int! 
          id: String! 
          inProgress: Int! 
          instances: [deployment_instance]! 
          pending: Int! 
          revisionLocation: String! 
          skipped: Int! 
          started: AWSDateTime! 
          status: String! 
          succeeded: Int! 
        }
        input DeploymentGroupInput {
          autoScalingGroupNames: [String]
          name: String
        }
        type DeploymentGroup {
          autoScalingGroupNames: [String]! 
          name: String! 
        }
        input DeploymentInstanceInput {
          id: String
          lastUpdatedAt: AWSDateTime
          lifecycleEvents: [deployment_lifecycle_eventInput]
          status: String
        }
        type DeploymentInstance {
          id: String! 
          lastUpdatedAt: AWSDateTime! 
          lifecycleEvents: [deployment_lifecycle_event]! 
          status: String! 
        }
        input DeploymentLifecycleEventInput {
          endTime: AWSDateTime
          errorLogTail: String
          errorMessage: String
          name: String
          scriptName: String
          startTime: AWSDateTime
          status: String
        }
        type DeploymentLifecycleEvent {
          endTime: AWSDateTime! 
          errorLogTail: String
          errorMessage: String
          name: String! 
          scriptName: String
          startTime: AWSDateTime! 
          status: String! 
        }
        input InfoInput {
          buildTime: AWSDateTime
          name: String
          sbtVersion: String
          scalaVersion: String
          version: String
        }
        type Info {
          buildTime: AWSDateTime! 
          name: String! 
          sbtVersion: String! 
          scalaVersion: String! 
          version: String! 
        }


        schema {
          query: Query
          mutation: Mutation
        }
    DependsOn:
      - GqlApi
  ApplicationDataSource:
    Type: AWS::AppSync::DataSource
    Properties:
      ApiId: !GetAtt GqlApi.ApiId
      LambdaConfig:
        LambdaFunctionArn:
          Fn::Join:
            - ''
            - - 'arn:aws:lambda:'
              - !Ref AWS::Region
              - ':'
              - !Ref AWS::AccountId
              - ':function:'
              - Fn::ImportValue:
                  !Sub '${FunctionStack}-functions-Application'
      Name: application_lambda
      ServiceRoleArn: !GetAtt DataSourceRole.Arn
      Type: AWS_LAMBDA
    DependsOn:
      - DataSourceRole
      - GqlApi
  GetApplicationResolver:
    Type: AWS::AppSync::Resolver
    Properties:
      ApiId: !GetAtt GqlApi.ApiId
      FieldName: getApplication
      TypeName: Query
      DataSourceName: !GetAtt ApplicationDataSource.Name
      RequestMappingTemplate: |
        #set( $cognitoIdentityId = $context.identity.cognitoIdentityId )
        #if($context.identity.userArn.matches('arn:aws:iam::\d+:user/.*'))
          #if($context.args.cognitoIdentityId__)
            #set( $cognitoIdentityId = $context.args.cognitoIdentityId__ )
          #elseif( $context.source.cognitoIdentityId__ )
            #set( $cognitoIdentityId = $context.source.cognitoIdentityId__ )
          #end
        #end
        #set( $unamepwd = "$util.urlEncode($cognitoIdentityId):" )
        {
          "version" : "2017-02-28",
          "operation": "Invoke",
          "payload": {
            "source": "AppSync",
            "httpMethod": "get",
            "headers": {
              "Authorization": "Basic $util.base64Encode($unamepwd)",
            },
            "pathParameters": {

            },
            "queryStringParameters": {

            }
          }
        }
      ResponseMappingTemplate: |
        #if($context.result.statusCode >= 200 && $context.result.statusCode <= 299)
          #set( $result = $util.parseJson($context.result.body) )
          #if($context.args.cognitoIdentityId__)
            #set( $result.cognitoIdentityId__ = $context.args.cognitoIdentityId__ )
          #elseif($context.source.cognitoIdentityId__)
            #set( $result.cognitoIdentityId__ = $context.source.cognitoIdentityId__ )
          #end
          $util.toJson($result)
        #else
          $utils.error($util.parseJson($context.result.body).message, $context.result.statusCode.toString(), $util.parseJson($context.result.body))
        #end
    DependsOn:
      - GqlApi
      - GqlSchema
      - ApplicationDataSource
  InfoDataSource:
    Type: AWS::AppSync::DataSource
    Properties:
      ApiId: !GetAtt GqlApi.ApiId
      LambdaConfig:
        LambdaFunctionArn:
          Fn::Join:
            - ''
            - - 'arn:aws:lambda:'
              - !Ref AWS::Region
              - ':'
              - !Ref AWS::AccountId
              - ':function:'
              - Fn::ImportValue:
                  !Sub '${FunctionStack}-functions-Info'
      Name: info_lambda
      ServiceRoleArn: !GetAtt DataSourceRole.Arn
      Type: AWS_LAMBDA
    DependsOn:
      - DataSourceRole
      - GqlApi
  GetInfoResolver:
    Type: AWS::AppSync::Resolver
    Properties:
      ApiId: !GetAtt GqlApi.ApiId
      FieldName: getInfo
      TypeName: Query
      DataSourceName: !GetAtt InfoDataSource.Name
      RequestMappingTemplate: |
        #set( $cognitoIdentityId = $context.identity.cognitoIdentityId )
        #if($context.identity.userArn.matches('arn:aws:iam::\d+:user/.*'))
          #if($context.args.cognitoIdentityId__)
            #set( $cognitoIdentityId = $context.args.cognitoIdentityId__ )
          #elseif( $context.source.cognitoIdentityId__ )
            #set( $cognitoIdentityId = $context.source.cognitoIdentityId__ )
          #end
        #end
        #set( $unamepwd = "$util.urlEncode($cognitoIdentityId):" )
        {
          "version" : "2017-02-28",
          "operation": "Invoke",
          "payload": {
            "source": "AppSync",
            "httpMethod": "get",
            "headers": {
              "Authorization": "Basic $util.base64Encode($unamepwd)",
            },
            "pathParameters": {

            },
            "queryStringParameters": {

            }
          }
        }
      ResponseMappingTemplate: |
        #if($context.result.statusCode >= 200 && $context.result.statusCode <= 299)
          #set( $result = $util.parseJson($context.result.body) )
          #if($context.args.cognitoIdentityId__)
            #set( $result.cognitoIdentityId__ = $context.args.cognitoIdentityId__ )
          #elseif($context.source.cognitoIdentityId__)
            #set( $result.cognitoIdentityId__ = $context.source.cognitoIdentityId__ )
          #end
          $util.toJson($result)
        #else
          $utils.error($util.parseJson($context.result.body).message, $context.result.statusCode.toString(), $util.parseJson($context.result.body))
        #end
    DependsOn:
      - GqlApi
      - GqlSchema
      - InfoDataSource
Outputs:
  ApiEndpoint:
    Description: The endpoint for the AppSync API.
    Value: !GetAtt GqlApi.GraphQLUrl