// Package issue_52 provides primitives to interact with the openapi HTTP API.
//
// Code generated by github.com/deepmap/oapi-codegen DO NOT EDIT.
package issue_52

import (
	"bytes"
	"compress/gzip"
	"context"
	"encoding/base64"
	"encoding/json"
	"fmt"
	"io/ioutil"
	"net/http"
	"net/url"
	"strings"

	"github.com/getkin/kin-openapi/openapi3"
	"github.com/labstack/echo/v4"
	"github.com/pkg/errors"
)

// ArrayValue defines model for ArrayValue.
type ArrayValue []Value

// Document defines model for Document.
type Document struct {
	Fields *Document_Fields `json:"fields,omitempty"`
}

// Document_Fields defines model for Document.Fields.
type Document_Fields struct {
	AdditionalProperties map[string]Value `json:"-"`
}

// Value defines model for Value.
type Value struct {
	ArrayValue  *ArrayValue `json:"arrayValue,omitempty"`
	StringValue *string     `json:"stringValue,omitempty"`
}

// Getter for additional properties for Document_Fields. Returns the specified
// element and whether it was found
func (a Document_Fields) Get(fieldName string) (value Value, found bool) {
	if a.AdditionalProperties != nil {
		value, found = a.AdditionalProperties[fieldName]
	}
	return
}

// Setter for additional properties for Document_Fields
func (a *Document_Fields) Set(fieldName string, value Value) {
	if a.AdditionalProperties == nil {
		a.AdditionalProperties = make(map[string]Value)
	}
	a.AdditionalProperties[fieldName] = value
}

// Override default JSON handling for Document_Fields to handle AdditionalProperties
func (a *Document_Fields) UnmarshalJSON(b []byte) error {
	object := make(map[string]json.RawMessage)
	err := json.Unmarshal(b, &object)
	if err != nil {
		return err
	}

	if len(object) != 0 {
		a.AdditionalProperties = make(map[string]Value)
		for fieldName, fieldBuf := range object {
			var fieldVal Value
			err := json.Unmarshal(fieldBuf, &fieldVal)
			if err != nil {
				return errors.Wrap(err, fmt.Sprintf("error unmarshaling field %s", fieldName))
			}
			a.AdditionalProperties[fieldName] = fieldVal
		}
	}
	return nil
}

// Override default JSON handling for Document_Fields to handle AdditionalProperties
func (a Document_Fields) MarshalJSON() ([]byte, error) {
	var err error
	object := make(map[string]json.RawMessage)

	for fieldName, field := range a.AdditionalProperties {
		object[fieldName], err = json.Marshal(field)
		if err != nil {
			return nil, errors.Wrap(err, fmt.Sprintf("error marshaling '%s'", fieldName))
		}
	}
	return json.Marshal(object)
}

// RequestEditorFn  is the function signature for the RequestEditor callback function
type RequestEditorFn func(ctx context.Context, req *http.Request) error

// Doer performs HTTP requests.
//
// The standard http.Client implements this interface.
type HttpRequestDoer interface {
	Do(req *http.Request) (*http.Response, error)
}

// Client which conforms to the OpenAPI3 specification for this service.
type Client struct {
	// The endpoint of the server conforming to this interface, with scheme,
	// https://api.deepmap.com for example. This can contain a path relative
	// to the server, such as https://api.deepmap.com/dev-test, and all the
	// paths in the swagger spec will be appended to the server.
	Server string

	// Doer for performing requests, typically a *http.Client with any
	// customized settings, such as certificate chains.
	Client HttpRequestDoer

	// A list of callbacks for modifying requests which are generated before sending over
	// the network.
	RequestEditors []RequestEditorFn
}

// ClientOption allows setting custom parameters during construction
type ClientOption func(*Client) error

// Creates a new Client, with reasonable defaults
func NewClient(server string, opts ...ClientOption) (*Client, error) {
	// create a client with sane default values
	client := Client{
		Server: server,
	}
	// mutate client and add all optional params
	for _, o := range opts {
		if err := o(&client); err != nil {
			return nil, err
		}
	}
	// ensure the server URL always has a trailing slash
	if !strings.HasSuffix(client.Server, "/") {
		client.Server += "/"
	}
	// create httpClient, if not already present
	if client.Client == nil {
		client.Client = &http.Client{}
	}
	return &client, nil
}

// WithHTTPClient allows overriding the default Doer, which is
// automatically created using http.Client. This is useful for tests.
func WithHTTPClient(doer HttpRequestDoer) ClientOption {
	return func(c *Client) error {
		c.Client = doer
		return nil
	}
}

// WithRequestEditorFn allows setting up a callback function, which will be
// called right before sending the request. This can be used to mutate the request.
func WithRequestEditorFn(fn RequestEditorFn) ClientOption {
	return func(c *Client) error {
		c.RequestEditors = append(c.RequestEditors, fn)
		return nil
	}
}

// The interface specification for the client above.
type ClientInterface interface {
	// ExampleGet request
	ExampleGet(ctx context.Context, reqEditors ...RequestEditorFn) (*http.Response, error)
}

func (c *Client) ExampleGet(ctx context.Context, reqEditors ...RequestEditorFn) (*http.Response, error) {
	req, err := NewExampleGetRequest(c.Server)
	if err != nil {
		return nil, err
	}
	req = req.WithContext(ctx)
	if err := c.applyEditors(ctx, req, reqEditors); err != nil {
		return nil, err
	}
	return c.Client.Do(req)
}

// NewExampleGetRequest generates requests for ExampleGet
func NewExampleGetRequest(server string) (*http.Request, error) {
	var err error

	serverURL, err := url.Parse(server)
	if err != nil {
		return nil, err
	}

	operationPath := fmt.Sprintf("/example")
	if operationPath[0] == '/' {
		operationPath = operationPath[1:]
	}
	operationURL := url.URL{
		Path: operationPath,
	}

	queryURL := serverURL.ResolveReference(&operationURL)

	req, err := http.NewRequest("GET", queryURL.String(), nil)
	if err != nil {
		return nil, err
	}

	return req, nil
}

func (c *Client) applyEditors(ctx context.Context, req *http.Request, additionalEditors []RequestEditorFn) error {
	for _, r := range c.RequestEditors {
		if err := r(ctx, req); err != nil {
			return err
		}
	}
	for _, r := range additionalEditors {
		if err := r(ctx, req); err != nil {
			return err
		}
	}
	return nil
}

// ClientWithResponses builds on ClientInterface to offer response payloads
type ClientWithResponses struct {
	ClientInterface
}

// NewClientWithResponses creates a new ClientWithResponses, which wraps
// Client with return type handling
func NewClientWithResponses(server string, opts ...ClientOption) (*ClientWithResponses, error) {
	client, err := NewClient(server, opts...)
	if err != nil {
		return nil, err
	}
	return &ClientWithResponses{client}, nil
}

// WithBaseURL overrides the baseURL.
func WithBaseURL(baseURL string) ClientOption {
	return func(c *Client) error {
		newBaseURL, err := url.Parse(baseURL)
		if err != nil {
			return err
		}
		c.Server = newBaseURL.String()
		return nil
	}
}

// ClientWithResponsesInterface is the interface specification for the client with responses above.
type ClientWithResponsesInterface interface {
	// ExampleGet request
	ExampleGetWithResponse(ctx context.Context, reqEditors ...RequestEditorFn) (*ExampleGetResponse, error)
}

type ExampleGetResponse struct {
	Body         []byte
	HTTPResponse *http.Response
	JSON200      *Document
}

// Status returns HTTPResponse.Status
func (r ExampleGetResponse) Status() string {
	if r.HTTPResponse != nil {
		return r.HTTPResponse.Status
	}
	return http.StatusText(0)
}

// StatusCode returns HTTPResponse.StatusCode
func (r ExampleGetResponse) StatusCode() int {
	if r.HTTPResponse != nil {
		return r.HTTPResponse.StatusCode
	}
	return 0
}

// ExampleGetWithResponse request returning *ExampleGetResponse
func (c *ClientWithResponses) ExampleGetWithResponse(ctx context.Context, reqEditors ...RequestEditorFn) (*ExampleGetResponse, error) {
	rsp, err := c.ExampleGet(ctx, reqEditors...)
	if err != nil {
		return nil, err
	}
	return ParseExampleGetResponse(rsp)
}

// ParseExampleGetResponse parses an HTTP response from a ExampleGetWithResponse call
func ParseExampleGetResponse(rsp *http.Response) (*ExampleGetResponse, error) {
	bodyBytes, err := ioutil.ReadAll(rsp.Body)
	defer rsp.Body.Close()
	if err != nil {
		return nil, err
	}

	response := &ExampleGetResponse{
		Body:         bodyBytes,
		HTTPResponse: rsp,
	}

	switch {
	case strings.Contains(rsp.Header.Get("Content-Type"), "json") && rsp.StatusCode == 200:
		var dest Document
		if err := json.Unmarshal(bodyBytes, &dest); err != nil {
			return nil, err
		}
		response.JSON200 = &dest

	}

	return response, nil
}

// ServerInterface represents all server handlers.
type ServerInterface interface {

	// (GET /example)
	ExampleGet(ctx echo.Context) error
}

// ServerInterfaceWrapper converts echo contexts to parameters.
type ServerInterfaceWrapper struct {
	Handler ServerInterface
}

// ExampleGet converts echo context to params.
func (w *ServerInterfaceWrapper) ExampleGet(ctx echo.Context) error {
	var err error

	// Invoke the callback with all the unmarshalled arguments
	err = w.Handler.ExampleGet(ctx)
	return err
}

// This is a simple interface which specifies echo.Route addition functions which
// are present on both echo.Echo and echo.Group, since we want to allow using
// either of them for path registration
type EchoRouter interface {
	CONNECT(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
	DELETE(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
	GET(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
	HEAD(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
	OPTIONS(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
	PATCH(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
	POST(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
	PUT(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
	TRACE(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
}

// RegisterHandlers adds each server route to the EchoRouter.
func RegisterHandlers(router EchoRouter, si ServerInterface) {
	RegisterHandlersWithBaseURL(router, si, "")
}

// Registers handlers, and prepends BaseURL to the paths, so that the paths
// can be served under a prefix.
func RegisterHandlersWithBaseURL(router EchoRouter, si ServerInterface, baseURL string) {

	wrapper := ServerInterfaceWrapper{
		Handler: si,
	}

	router.GET(baseURL+"/example", wrapper.ExampleGet)

}

// Base64 encoded, gzipped, json marshaled Swagger object
var swaggerSpec = []string{

	"H4sIAAAAAAAC/5RSQU/zMAz9K5W/71i1ZdxyQwIhhBCcOHExibdmpEmUuBPT1P+OnG5jEwjEqcmr3/Pz",
	"i3egwxCDJ88Z1A6y7mnAcrxKCbfP6EaSm2UaCvw/0RIU/Gs/ie2e1c7VUw28jQQKUCTkfh30OJBnEYgp",
	"REpsqcgtLTlTTmiMZRs8uqezir80DK9r0gzTV6SG4yjnBvBszJ+anQQy1ZA5Wb86EvftZvQ7AwJZvwxS",
	"bChnnWyUcUHBA75RlcdEFffIVSI9pmw3VIlErjBR1aM3jkw1e3fbFw81sGUnLegdh+gIathQyrNm13TN",
	"hfgMkTxGCwoum65ZQA0RuS+jtwei2sGKyuOIOoqtOwMKbub/t8RQQ6Icg89zaouuk48OnvfPijE6qwu3",
	"XWfxcNim33I9LkfJyNBpNI/3gk7T9BEAAP//t/QkwqkCAAA=",
}

// GetSwagger returns the Swagger specification corresponding to the generated code
// in this file.
func GetSwagger() (*openapi3.Swagger, error) {
	zipped, err := base64.StdEncoding.DecodeString(strings.Join(swaggerSpec, ""))
	if err != nil {
		return nil, fmt.Errorf("error base64 decoding spec: %s", err)
	}
	zr, err := gzip.NewReader(bytes.NewReader(zipped))
	if err != nil {
		return nil, fmt.Errorf("error decompressing spec: %s", err)
	}
	var buf bytes.Buffer
	_, err = buf.ReadFrom(zr)
	if err != nil {
		return nil, fmt.Errorf("error decompressing spec: %s", err)
	}

	swagger, err := openapi3.NewSwaggerLoader().LoadSwaggerFromData(buf.Bytes())
	if err != nil {
		return nil, fmt.Errorf("error loading Swagger: %s", err)
	}
	return swagger, nil
}
