// Code generated by private/model/cli/gen-api/main.go. DO NOT EDIT.

package cloudwatchlogs

import (
	"context"
	"fmt"

	"github.com/aws/aws-sdk-go-v2/aws"
	"github.com/aws/aws-sdk-go-v2/internal/awsutil"
	"github.com/aws/aws-sdk-go-v2/private/protocol"
	"github.com/aws/aws-sdk-go-v2/private/protocol/jsonrpc"
)

type PutMetricFilterInput struct {
	_ struct{} `type:"structure"`

	// A name for the metric filter.
	//
	// FilterName is a required field
	FilterName *string `locationName:"filterName" min:"1" type:"string" required:"true"`

	// A filter pattern for extracting metric data out of ingested log events.
	//
	// FilterPattern is a required field
	FilterPattern *string `locationName:"filterPattern" type:"string" required:"true"`

	// The name of the log group.
	//
	// LogGroupName is a required field
	LogGroupName *string `locationName:"logGroupName" min:"1" type:"string" required:"true"`

	// A collection of information that defines how metric data gets emitted.
	//
	// MetricTransformations is a required field
	MetricTransformations []MetricTransformation `locationName:"metricTransformations" min:"1" type:"list" required:"true"`
}

// String returns the string representation
func (s PutMetricFilterInput) String() string {
	return awsutil.Prettify(s)
}

// Validate inspects the fields of the type to determine if they are valid.
func (s *PutMetricFilterInput) Validate() error {
	invalidParams := aws.ErrInvalidParams{Context: "PutMetricFilterInput"}

	if s.FilterName == nil {
		invalidParams.Add(aws.NewErrParamRequired("FilterName"))
	}
	if s.FilterName != nil && len(*s.FilterName) < 1 {
		invalidParams.Add(aws.NewErrParamMinLen("FilterName", 1))
	}

	if s.FilterPattern == nil {
		invalidParams.Add(aws.NewErrParamRequired("FilterPattern"))
	}

	if s.LogGroupName == nil {
		invalidParams.Add(aws.NewErrParamRequired("LogGroupName"))
	}
	if s.LogGroupName != nil && len(*s.LogGroupName) < 1 {
		invalidParams.Add(aws.NewErrParamMinLen("LogGroupName", 1))
	}

	if s.MetricTransformations == nil {
		invalidParams.Add(aws.NewErrParamRequired("MetricTransformations"))
	}
	if s.MetricTransformations != nil && len(s.MetricTransformations) < 1 {
		invalidParams.Add(aws.NewErrParamMinLen("MetricTransformations", 1))
	}
	if s.MetricTransformations != nil {
		for i, v := range s.MetricTransformations {
			if err := v.Validate(); err != nil {
				invalidParams.AddNested(fmt.Sprintf("%s[%v]", "MetricTransformations", i), err.(aws.ErrInvalidParams))
			}
		}
	}

	if invalidParams.Len() > 0 {
		return invalidParams
	}
	return nil
}

type PutMetricFilterOutput struct {
	_ struct{} `type:"structure"`
}

// String returns the string representation
func (s PutMetricFilterOutput) String() string {
	return awsutil.Prettify(s)
}

const opPutMetricFilter = "PutMetricFilter"

// PutMetricFilterRequest returns a request value for making API operation for
// Amazon CloudWatch Logs.
//
// Creates or updates a metric filter and associates it with the specified log
// group. Metric filters allow you to configure rules to extract metric data
// from log events ingested through PutLogEvents (https://docs.aws.amazon.com/AmazonCloudWatchLogs/latest/APIReference/API_PutLogEvents.html).
//
// The maximum number of metric filters that can be associated with a log group
// is 100.
//
//    // Example sending a request using PutMetricFilterRequest.
//    req := client.PutMetricFilterRequest(params)
//    resp, err := req.Send(context.TODO())
//    if err == nil {
//        fmt.Println(resp)
//    }
//
// Please also see https://docs.aws.amazon.com/goto/WebAPI/logs-2014-03-28/PutMetricFilter
func (c *Client) PutMetricFilterRequest(input *PutMetricFilterInput) PutMetricFilterRequest {
	op := &aws.Operation{
		Name:       opPutMetricFilter,
		HTTPMethod: "POST",
		HTTPPath:   "/",
	}

	if input == nil {
		input = &PutMetricFilterInput{}
	}

	req := c.newRequest(op, input, &PutMetricFilterOutput{})
	req.Handlers.Unmarshal.Remove(jsonrpc.UnmarshalHandler)
	req.Handlers.Unmarshal.PushBackNamed(protocol.UnmarshalDiscardBodyHandler)

	return PutMetricFilterRequest{Request: req, Input: input, Copy: c.PutMetricFilterRequest}
}

// PutMetricFilterRequest is the request type for the
// PutMetricFilter API operation.
type PutMetricFilterRequest struct {
	*aws.Request
	Input *PutMetricFilterInput
	Copy  func(*PutMetricFilterInput) PutMetricFilterRequest
}

// Send marshals and sends the PutMetricFilter API request.
func (r PutMetricFilterRequest) Send(ctx context.Context) (*PutMetricFilterResponse, error) {
	r.Request.SetContext(ctx)
	err := r.Request.Send()
	if err != nil {
		return nil, err
	}

	resp := &PutMetricFilterResponse{
		PutMetricFilterOutput: r.Request.Data.(*PutMetricFilterOutput),
		response:              &aws.Response{Request: r.Request},
	}

	return resp, nil
}

// PutMetricFilterResponse is the response type for the
// PutMetricFilter API operation.
type PutMetricFilterResponse struct {
	*PutMetricFilterOutput

	response *aws.Response
}

// SDKResponseMetdata returns the response metadata for the
// PutMetricFilter request.
func (r *PutMetricFilterResponse) SDKResponseMetdata() *aws.Response {
	return r.response
}