// Code generated by smithy-go-codegen DO NOT EDIT.

package personalizeruntime

import (
	"bytes"
	"context"
	"encoding/json"
	"fmt"
	"github.com/aws/aws-sdk-go-v2/aws/protocol/restjson"
	"github.com/aws/aws-sdk-go-v2/service/personalizeruntime/types"
	smithy "github.com/aws/smithy-go"
	smithyio "github.com/aws/smithy-go/io"
	"github.com/aws/smithy-go/middleware"
	"github.com/aws/smithy-go/ptr"
	smithyhttp "github.com/aws/smithy-go/transport/http"
	"io"
	"math"
	"strings"
)

type awsRestjson1_deserializeOpGetPersonalizedRanking struct {
}

func (*awsRestjson1_deserializeOpGetPersonalizedRanking) ID() string {
	return "OperationDeserializer"
}

func (m *awsRestjson1_deserializeOpGetPersonalizedRanking) HandleDeserialize(ctx context.Context, in middleware.DeserializeInput, next middleware.DeserializeHandler) (
	out middleware.DeserializeOutput, metadata middleware.Metadata, err error,
) {
	out, metadata, err = next.HandleDeserialize(ctx, in)
	if err != nil {
		return out, metadata, err
	}

	response, ok := out.RawResponse.(*smithyhttp.Response)
	if !ok {
		return out, metadata, &smithy.DeserializationError{Err: fmt.Errorf("unknown transport type %T", out.RawResponse)}
	}

	if response.StatusCode < 200 || response.StatusCode >= 300 {
		return out, metadata, awsRestjson1_deserializeOpErrorGetPersonalizedRanking(response, &metadata)
	}
	output := &GetPersonalizedRankingOutput{}
	out.Result = output

	var buff [1024]byte
	ringBuffer := smithyio.NewRingBuffer(buff[:])

	body := io.TeeReader(response.Body, ringBuffer)

	decoder := json.NewDecoder(body)
	decoder.UseNumber()
	var shape interface{}
	if err := decoder.Decode(&shape); err != nil && err != io.EOF {
		var snapshot bytes.Buffer
		io.Copy(&snapshot, ringBuffer)
		err = &smithy.DeserializationError{
			Err:      fmt.Errorf("failed to decode response body, %w", err),
			Snapshot: snapshot.Bytes(),
		}
		return out, metadata, err
	}

	err = awsRestjson1_deserializeOpDocumentGetPersonalizedRankingOutput(&output, shape)
	if err != nil {
		var snapshot bytes.Buffer
		io.Copy(&snapshot, ringBuffer)
		return out, metadata, &smithy.DeserializationError{
			Err:      fmt.Errorf("failed to decode response body with invalid JSON, %w", err),
			Snapshot: snapshot.Bytes(),
		}
	}

	return out, metadata, err
}

func awsRestjson1_deserializeOpErrorGetPersonalizedRanking(response *smithyhttp.Response, metadata *middleware.Metadata) error {
	var errorBuffer bytes.Buffer
	if _, err := io.Copy(&errorBuffer, response.Body); err != nil {
		return &smithy.DeserializationError{Err: fmt.Errorf("failed to copy error response body, %w", err)}
	}
	errorBody := bytes.NewReader(errorBuffer.Bytes())

	errorCode := "UnknownError"
	errorMessage := errorCode

	headerCode := response.Header.Get("X-Amzn-ErrorType")
	if len(headerCode) != 0 {
		errorCode = restjson.SanitizeErrorCode(headerCode)
	}

	var buff [1024]byte
	ringBuffer := smithyio.NewRingBuffer(buff[:])

	body := io.TeeReader(errorBody, ringBuffer)
	decoder := json.NewDecoder(body)
	decoder.UseNumber()
	jsonCode, message, err := restjson.GetErrorInfo(decoder)
	if err != nil {
		var snapshot bytes.Buffer
		io.Copy(&snapshot, ringBuffer)
		err = &smithy.DeserializationError{
			Err:      fmt.Errorf("failed to decode response body, %w", err),
			Snapshot: snapshot.Bytes(),
		}
		return err
	}

	errorBody.Seek(0, io.SeekStart)
	if len(headerCode) == 0 && len(jsonCode) != 0 {
		errorCode = restjson.SanitizeErrorCode(jsonCode)
	}
	if len(message) != 0 {
		errorMessage = message
	}

	switch {
	case strings.EqualFold("InvalidInputException", errorCode):
		return awsRestjson1_deserializeErrorInvalidInputException(response, errorBody)

	case strings.EqualFold("ResourceNotFoundException", errorCode):
		return awsRestjson1_deserializeErrorResourceNotFoundException(response, errorBody)

	default:
		genericError := &smithy.GenericAPIError{
			Code:    errorCode,
			Message: errorMessage,
		}
		return genericError

	}
}

func awsRestjson1_deserializeOpDocumentGetPersonalizedRankingOutput(v **GetPersonalizedRankingOutput, value interface{}) error {
	if v == nil {
		return fmt.Errorf("unexpected nil of type %T", v)
	}
	if value == nil {
		return nil
	}

	shape, ok := value.(map[string]interface{})
	if !ok {
		return fmt.Errorf("unexpected JSON type %v", value)
	}

	var sv *GetPersonalizedRankingOutput
	if *v == nil {
		sv = &GetPersonalizedRankingOutput{}
	} else {
		sv = *v
	}

	for key, value := range shape {
		switch key {
		case "personalizedRanking":
			if err := awsRestjson1_deserializeDocumentItemList(&sv.PersonalizedRanking, value); err != nil {
				return err
			}

		case "recommendationId":
			if value != nil {
				jtv, ok := value.(string)
				if !ok {
					return fmt.Errorf("expected RecommendationID to be of type string, got %T instead", value)
				}
				sv.RecommendationId = ptr.String(jtv)
			}

		default:
			_, _ = key, value

		}
	}
	*v = sv
	return nil
}

type awsRestjson1_deserializeOpGetRecommendations struct {
}

func (*awsRestjson1_deserializeOpGetRecommendations) ID() string {
	return "OperationDeserializer"
}

func (m *awsRestjson1_deserializeOpGetRecommendations) HandleDeserialize(ctx context.Context, in middleware.DeserializeInput, next middleware.DeserializeHandler) (
	out middleware.DeserializeOutput, metadata middleware.Metadata, err error,
) {
	out, metadata, err = next.HandleDeserialize(ctx, in)
	if err != nil {
		return out, metadata, err
	}

	response, ok := out.RawResponse.(*smithyhttp.Response)
	if !ok {
		return out, metadata, &smithy.DeserializationError{Err: fmt.Errorf("unknown transport type %T", out.RawResponse)}
	}

	if response.StatusCode < 200 || response.StatusCode >= 300 {
		return out, metadata, awsRestjson1_deserializeOpErrorGetRecommendations(response, &metadata)
	}
	output := &GetRecommendationsOutput{}
	out.Result = output

	var buff [1024]byte
	ringBuffer := smithyio.NewRingBuffer(buff[:])

	body := io.TeeReader(response.Body, ringBuffer)

	decoder := json.NewDecoder(body)
	decoder.UseNumber()
	var shape interface{}
	if err := decoder.Decode(&shape); err != nil && err != io.EOF {
		var snapshot bytes.Buffer
		io.Copy(&snapshot, ringBuffer)
		err = &smithy.DeserializationError{
			Err:      fmt.Errorf("failed to decode response body, %w", err),
			Snapshot: snapshot.Bytes(),
		}
		return out, metadata, err
	}

	err = awsRestjson1_deserializeOpDocumentGetRecommendationsOutput(&output, shape)
	if err != nil {
		var snapshot bytes.Buffer
		io.Copy(&snapshot, ringBuffer)
		return out, metadata, &smithy.DeserializationError{
			Err:      fmt.Errorf("failed to decode response body with invalid JSON, %w", err),
			Snapshot: snapshot.Bytes(),
		}
	}

	return out, metadata, err
}

func awsRestjson1_deserializeOpErrorGetRecommendations(response *smithyhttp.Response, metadata *middleware.Metadata) error {
	var errorBuffer bytes.Buffer
	if _, err := io.Copy(&errorBuffer, response.Body); err != nil {
		return &smithy.DeserializationError{Err: fmt.Errorf("failed to copy error response body, %w", err)}
	}
	errorBody := bytes.NewReader(errorBuffer.Bytes())

	errorCode := "UnknownError"
	errorMessage := errorCode

	headerCode := response.Header.Get("X-Amzn-ErrorType")
	if len(headerCode) != 0 {
		errorCode = restjson.SanitizeErrorCode(headerCode)
	}

	var buff [1024]byte
	ringBuffer := smithyio.NewRingBuffer(buff[:])

	body := io.TeeReader(errorBody, ringBuffer)
	decoder := json.NewDecoder(body)
	decoder.UseNumber()
	jsonCode, message, err := restjson.GetErrorInfo(decoder)
	if err != nil {
		var snapshot bytes.Buffer
		io.Copy(&snapshot, ringBuffer)
		err = &smithy.DeserializationError{
			Err:      fmt.Errorf("failed to decode response body, %w", err),
			Snapshot: snapshot.Bytes(),
		}
		return err
	}

	errorBody.Seek(0, io.SeekStart)
	if len(headerCode) == 0 && len(jsonCode) != 0 {
		errorCode = restjson.SanitizeErrorCode(jsonCode)
	}
	if len(message) != 0 {
		errorMessage = message
	}

	switch {
	case strings.EqualFold("InvalidInputException", errorCode):
		return awsRestjson1_deserializeErrorInvalidInputException(response, errorBody)

	case strings.EqualFold("ResourceNotFoundException", errorCode):
		return awsRestjson1_deserializeErrorResourceNotFoundException(response, errorBody)

	default:
		genericError := &smithy.GenericAPIError{
			Code:    errorCode,
			Message: errorMessage,
		}
		return genericError

	}
}

func awsRestjson1_deserializeOpDocumentGetRecommendationsOutput(v **GetRecommendationsOutput, value interface{}) error {
	if v == nil {
		return fmt.Errorf("unexpected nil of type %T", v)
	}
	if value == nil {
		return nil
	}

	shape, ok := value.(map[string]interface{})
	if !ok {
		return fmt.Errorf("unexpected JSON type %v", value)
	}

	var sv *GetRecommendationsOutput
	if *v == nil {
		sv = &GetRecommendationsOutput{}
	} else {
		sv = *v
	}

	for key, value := range shape {
		switch key {
		case "itemList":
			if err := awsRestjson1_deserializeDocumentItemList(&sv.ItemList, value); err != nil {
				return err
			}

		case "recommendationId":
			if value != nil {
				jtv, ok := value.(string)
				if !ok {
					return fmt.Errorf("expected RecommendationID to be of type string, got %T instead", value)
				}
				sv.RecommendationId = ptr.String(jtv)
			}

		default:
			_, _ = key, value

		}
	}
	*v = sv
	return nil
}

func awsRestjson1_deserializeErrorInvalidInputException(response *smithyhttp.Response, errorBody *bytes.Reader) error {
	output := &types.InvalidInputException{}
	var buff [1024]byte
	ringBuffer := smithyio.NewRingBuffer(buff[:])

	body := io.TeeReader(errorBody, ringBuffer)
	decoder := json.NewDecoder(body)
	decoder.UseNumber()
	var shape interface{}
	if err := decoder.Decode(&shape); err != nil && err != io.EOF {
		var snapshot bytes.Buffer
		io.Copy(&snapshot, ringBuffer)
		err = &smithy.DeserializationError{
			Err:      fmt.Errorf("failed to decode response body, %w", err),
			Snapshot: snapshot.Bytes(),
		}
		return err
	}

	err := awsRestjson1_deserializeDocumentInvalidInputException(&output, shape)

	if err != nil {
		var snapshot bytes.Buffer
		io.Copy(&snapshot, ringBuffer)
		err = &smithy.DeserializationError{
			Err:      fmt.Errorf("failed to decode response body, %w", err),
			Snapshot: snapshot.Bytes(),
		}
		return err
	}

	errorBody.Seek(0, io.SeekStart)

	return output
}

func awsRestjson1_deserializeErrorResourceNotFoundException(response *smithyhttp.Response, errorBody *bytes.Reader) error {
	output := &types.ResourceNotFoundException{}
	var buff [1024]byte
	ringBuffer := smithyio.NewRingBuffer(buff[:])

	body := io.TeeReader(errorBody, ringBuffer)
	decoder := json.NewDecoder(body)
	decoder.UseNumber()
	var shape interface{}
	if err := decoder.Decode(&shape); err != nil && err != io.EOF {
		var snapshot bytes.Buffer
		io.Copy(&snapshot, ringBuffer)
		err = &smithy.DeserializationError{
			Err:      fmt.Errorf("failed to decode response body, %w", err),
			Snapshot: snapshot.Bytes(),
		}
		return err
	}

	err := awsRestjson1_deserializeDocumentResourceNotFoundException(&output, shape)

	if err != nil {
		var snapshot bytes.Buffer
		io.Copy(&snapshot, ringBuffer)
		err = &smithy.DeserializationError{
			Err:      fmt.Errorf("failed to decode response body, %w", err),
			Snapshot: snapshot.Bytes(),
		}
		return err
	}

	errorBody.Seek(0, io.SeekStart)

	return output
}

func awsRestjson1_deserializeDocumentInvalidInputException(v **types.InvalidInputException, value interface{}) error {
	if v == nil {
		return fmt.Errorf("unexpected nil of type %T", v)
	}
	if value == nil {
		return nil
	}

	shape, ok := value.(map[string]interface{})
	if !ok {
		return fmt.Errorf("unexpected JSON type %v", value)
	}

	var sv *types.InvalidInputException
	if *v == nil {
		sv = &types.InvalidInputException{}
	} else {
		sv = *v
	}

	for key, value := range shape {
		switch key {
		case "message":
			if value != nil {
				jtv, ok := value.(string)
				if !ok {
					return fmt.Errorf("expected ErrorMessage to be of type string, got %T instead", value)
				}
				sv.Message = ptr.String(jtv)
			}

		default:
			_, _ = key, value

		}
	}
	*v = sv
	return nil
}

func awsRestjson1_deserializeDocumentItemList(v *[]types.PredictedItem, value interface{}) error {
	if v == nil {
		return fmt.Errorf("unexpected nil of type %T", v)
	}
	if value == nil {
		return nil
	}

	shape, ok := value.([]interface{})
	if !ok {
		return fmt.Errorf("unexpected JSON type %v", value)
	}

	var cv []types.PredictedItem
	if *v == nil {
		cv = []types.PredictedItem{}
	} else {
		cv = *v
	}

	for _, value := range shape {
		var col types.PredictedItem
		destAddr := &col
		if err := awsRestjson1_deserializeDocumentPredictedItem(&destAddr, value); err != nil {
			return err
		}
		col = *destAddr
		cv = append(cv, col)

	}
	*v = cv
	return nil
}

func awsRestjson1_deserializeDocumentPredictedItem(v **types.PredictedItem, value interface{}) error {
	if v == nil {
		return fmt.Errorf("unexpected nil of type %T", v)
	}
	if value == nil {
		return nil
	}

	shape, ok := value.(map[string]interface{})
	if !ok {
		return fmt.Errorf("unexpected JSON type %v", value)
	}

	var sv *types.PredictedItem
	if *v == nil {
		sv = &types.PredictedItem{}
	} else {
		sv = *v
	}

	for key, value := range shape {
		switch key {
		case "itemId":
			if value != nil {
				jtv, ok := value.(string)
				if !ok {
					return fmt.Errorf("expected ItemID to be of type string, got %T instead", value)
				}
				sv.ItemId = ptr.String(jtv)
			}

		case "promotionName":
			if value != nil {
				jtv, ok := value.(string)
				if !ok {
					return fmt.Errorf("expected Name to be of type string, got %T instead", value)
				}
				sv.PromotionName = ptr.String(jtv)
			}

		case "score":
			if value != nil {
				switch jtv := value.(type) {
				case json.Number:
					f64, err := jtv.Float64()
					if err != nil {
						return err
					}
					sv.Score = ptr.Float64(f64)

				case string:
					var f64 float64
					switch {
					case strings.EqualFold(jtv, "NaN"):
						f64 = math.NaN()

					case strings.EqualFold(jtv, "Infinity"):
						f64 = math.Inf(1)

					case strings.EqualFold(jtv, "-Infinity"):
						f64 = math.Inf(-1)

					default:
						return fmt.Errorf("unknown JSON number value: %s", jtv)

					}
					sv.Score = ptr.Float64(f64)

				default:
					return fmt.Errorf("expected Score to be a JSON Number, got %T instead", value)

				}
			}

		default:
			_, _ = key, value

		}
	}
	*v = sv
	return nil
}

func awsRestjson1_deserializeDocumentResourceNotFoundException(v **types.ResourceNotFoundException, value interface{}) error {
	if v == nil {
		return fmt.Errorf("unexpected nil of type %T", v)
	}
	if value == nil {
		return nil
	}

	shape, ok := value.(map[string]interface{})
	if !ok {
		return fmt.Errorf("unexpected JSON type %v", value)
	}

	var sv *types.ResourceNotFoundException
	if *v == nil {
		sv = &types.ResourceNotFoundException{}
	} else {
		sv = *v
	}

	for key, value := range shape {
		switch key {
		case "message":
			if value != nil {
				jtv, ok := value.(string)
				if !ok {
					return fmt.Errorf("expected ErrorMessage to be of type string, got %T instead", value)
				}
				sv.Message = ptr.String(jtv)
			}

		default:
			_, _ = key, value

		}
	}
	*v = sv
	return nil
}