package templates

import "text/template"

var templates = map[string]string{"additional-properties.tmpl": `{{range .Types}}{{$addType := .Schema.AdditionalPropertiesType.TypeDecl}}

// Getter for additional properties for {{.TypeName}}. Returns the specified

// element and whether it was found

func (a {{.TypeName}}) Get(fieldName string) (value {{$addType}}, found bool) {

    if a.AdditionalProperties != nil {

        value, found = a.AdditionalProperties[fieldName]

    }

    return

}

// Setter for additional properties for {{.TypeName}}

func (a *{{.TypeName}}) Set(fieldName string, value {{$addType}}) {

    if a.AdditionalProperties == nil {

        a.AdditionalProperties = make(map[string]{{$addType}})

    }

    a.AdditionalProperties[fieldName] = value

}

// Override default JSON handling for {{.TypeName}} to handle AdditionalProperties

func (a *{{.TypeName}}) UnmarshalJSON(b []byte) error {

    object := make(map[string]json.RawMessage)

	err := json.Unmarshal(b, &object)

	if err != nil {

		return err

	}

{{range .Schema.Properties}}

    if raw, found := object["{{.JsonFieldName}}"]; found {

        err = json.Unmarshal(raw, &a.{{.GoFieldName}})

        if err != nil {

            return errors.Wrap(err, "error reading '{{.JsonFieldName}}'")

        }

        delete(object, "{{.JsonFieldName}}")

    }

{{end}}

    if len(object) != 0 {

        a.AdditionalProperties = make(map[string]{{$addType}})

        for fieldName, fieldBuf := range object {

            var fieldVal {{$addType}}

            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 {{.TypeName}} to handle AdditionalProperties

func (a {{.TypeName}}) MarshalJSON() ([]byte, error) {

    var err error

    object := make(map[string]json.RawMessage)

{{range .Schema.Properties}}

{{if not .Required}}if a.{{.GoFieldName}} != nil { {{end}}

    object["{{.JsonFieldName}}"], err = json.Marshal(a.{{.GoFieldName}})

    if err != nil {

        return nil, errors.Wrap(err, fmt.Sprintf("error marshaling '{{.JsonFieldName}}'"))

    }

{{if not .Required}} }{{end}}

{{end}}

    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)

}

{{end}}

`,

	"chi-handler.tmpl": `// Handler creates http.Handler with routing matching OpenAPI spec.

func Handler(si ServerInterface) http.Handler {

  return HandlerFromMux(si, chi.NewRouter())

}

// HandlerFromMux creates http.Handler with routing matching OpenAPI spec based on the provided mux.

func HandlerFromMux(si ServerInterface, r chi.Router) http.Handler {

{{if .}}wrapper := ServerInterfaceWrapper{

        Handler: si,

    }

{{end}}

{{range .}}r.Group(func(r chi.Router) {

  r.{{.Method | lower | title }}("{{.Path | swaggerUriToChiUri}}", wrapper.{{.OperationId}})

})

{{end}}

  return r

}

`,

	"chi-interface.tmpl": `// ServerInterface represents all server handlers.

type ServerInterface interface {

{{range .}}{{.SummaryAsComment }}

// ({{.Method}} {{.Path}})

{{.OperationId}}(w http.ResponseWriter, r *http.Request{{genParamArgs .PathParams}}{{if .RequiresParamObject}}, params {{.OperationId}}Params{{end}})

{{end}}

}

`,

	"chi-middleware.tmpl": `// ServerInterfaceWrapper converts contexts to parameters.

type ServerInterfaceWrapper struct {

    Handler ServerInterface

}

{{range .}}{{$opid := .OperationId}}

// {{$opid}} operation middleware

func (siw *ServerInterfaceWrapper) {{$opid}}(w http.ResponseWriter, r *http.Request) {

  ctx := r.Context()

  {{if or .RequiresParamObject (gt (len .PathParams) 0) }}

  var err error

  {{end}}

  {{range .PathParams}}// ------------- Path parameter "{{.ParamName}}" -------------

  var {{$varName := .GoVariableName}}{{$varName}} {{.TypeDef}}

  {{if .IsPassThrough}}

  {{$varName}} = chi.URLParam(r, "{{.ParamName}}")

  {{end}}

  {{if .IsJson}}

  err = json.Unmarshal([]byte(chi.URLParam(r, "{{.ParamName}}")), &{{$varName}})

  if err != nil {

    http.Error(w, "Error unmarshaling parameter '{{.ParamName}}' as JSON", http.StatusBadRequest)

    return

  }

  {{end}}

  {{if .IsStyled}}

  err = runtime.BindStyledParameter("{{.Style}}",{{.Explode}}, "{{.ParamName}}", chi.URLParam(r, "{{.ParamName}}"), &{{$varName}})

  if err != nil {

    http.Error(w, fmt.Sprintf("Invalid format for parameter {{.ParamName}}: %s", err), http.StatusBadRequest)

    return

  }

  {{end}}

  {{end}}

{{range .SecurityDefinitions}}

  ctx = context.WithValue(ctx, "{{.ProviderName}}.Scopes", {{toStringArray .Scopes}})

{{end}}

  {{if .RequiresParamObject}}

    // Parameter object where we will unmarshal all parameters from the context

    var params {{.OperationId}}Params

    {{range $paramIdx, $param := .QueryParams}}// ------------- {{if .Required}}Required{{else}}Optional{{end}} query parameter "{{.ParamName}}" -------------

      if paramValue := r.URL.Query().Get("{{.ParamName}}"); paramValue != "" {

      {{if .IsPassThrough}}

        params.{{.GoName}} = {{if not .Required}}&{{end}}paramValue

      {{end}}

      {{if .IsJson}}

        var value {{.TypeDef}}

        err = json.Unmarshal([]byte(paramValue), &value)

        if err != nil {

          http.Error(w, "Error unmarshaling parameter '{{.ParamName}}' as JSON", http.StatusBadRequest)

          return

        }

        params.{{.GoName}} = {{if not .Required}}&{{end}}value

      {{end}}

      }{{if .Required}} else {

          http.Error(w, "Query argument {{.ParamName}} is required, but not found", http.StatusBadRequest)

          return

      }{{end}}

      {{if .IsStyled}}

      err = runtime.BindQueryParameter("{{.Style}}", {{.Explode}}, {{.Required}}, "{{.ParamName}}", r.URL.Query(), &params.{{.GoName}})

      if err != nil {

        http.Error(w, fmt.Sprintf("Invalid format for parameter {{.ParamName}}: %s", err), http.StatusBadRequest)

        return

      }

      {{end}}

  {{end}}

    {{if .HeaderParams}}

      headers := r.Header

      {{range .HeaderParams}}// ------------- {{if .Required}}Required{{else}}Optional{{end}} header parameter "{{.ParamName}}" -------------

        if valueList, found := headers[http.CanonicalHeaderKey("{{.ParamName}}")]; found {

          var {{.GoName}} {{.TypeDef}}

          n := len(valueList)

          if n != 1 {

            http.Error(w, fmt.Sprintf("Expected one value for {{.ParamName}}, got %d", n), http.StatusBadRequest)

            return

          }

        {{if .IsPassThrough}}

          params.{{.GoName}} = {{if not .Required}}&{{end}}valueList[0]

        {{end}}

        {{if .IsJson}}

          err = json.Unmarshal([]byte(valueList[0]), &{{.GoName}})

          if err != nil {

            http.Error(w, "Error unmarshaling parameter '{{.ParamName}}' as JSON", http.StatusBadRequest)

            return

          }

        {{end}}

        {{if .IsStyled}}

          err = runtime.BindStyledParameter("{{.Style}}",{{.Explode}}, "{{.ParamName}}", valueList[0], &{{.GoName}})

          if err != nil {

            http.Error(w, fmt.Sprintf("Invalid format for parameter {{.ParamName}}: %s", err), http.StatusBadRequest)

            return

          }

        {{end}}

          params.{{.GoName}} = {{if not .Required}}&{{end}}{{.GoName}}

        } {{if .Required}}else {

            http.Error(w, fmt.Sprintf("Header parameter {{.ParamName}} is required, but not found: %s", err), http.StatusBadRequest)

            return

        }{{end}}

      {{end}}

    {{end}}

    {{range .CookieParams}}

      if cookie, err := r.Cookie("{{.ParamName}}"); err == nil {

      {{- if .IsPassThrough}}

        params.{{.GoName}} = {{if not .Required}}&{{end}}cookie.Value

      {{end}}

      {{- if .IsJson}}

        var value {{.TypeDef}}

        var decoded string

        decoded, err := url.QueryUnescape(cookie.Value)

        if err != nil {

          http.Error(w, "Error unescaping cookie parameter '{{.ParamName}}'", http.StatusBadRequest)

          return

        }

        err = json.Unmarshal([]byte(decoded), &value)

        if err != nil {

          http.Error(w, "Error unmarshaling parameter '{{.ParamName}}' as JSON", http.StatusBadRequest)

          return

        }

        params.{{.GoName}} = {{if not .Required}}&{{end}}value

      {{end}}

      {{- if .IsStyled}}

        var value {{.TypeDef}}

        err = runtime.BindStyledParameter("simple",{{.Explode}}, "{{.ParamName}}", cookie.Value, &value)

        if err != nil {

          http.Error(w, "Invalid format for parameter {{.ParamName}}: %s", http.StatusBadRequest)

          return

        }

        params.{{.GoName}} = {{if not .Required}}&{{end}}value

      {{end}}

      }

      {{- if .Required}} else {

        http.Error(w, "Query argument {{.ParamName}} is required, but not found", http.StatusBadRequest)

        return

      }

      {{- end}}

    {{end}}

  {{end}}

  siw.Handler.{{.OperationId}}(w, r.WithContext(ctx){{genParamNames .PathParams}}{{if .RequiresParamObject}}, params{{end}})

}

{{end}}

`,

	"client-with-responses.tmpl": `// 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 {

{{range . -}}

{{$hasParams := .RequiresParamObject -}}

{{$pathParams := .PathParams -}}

{{$opid := .OperationId -}}

    // {{$opid}} request {{if .HasBody}} with any body{{end}}

    {{$opid}}{{if .HasBody}}WithBody{{end}}WithResponse(ctx context.Context{{genParamArgs .PathParams}}{{if .RequiresParamObject}}, params *{{$opid}}Params{{end}}{{if .HasBody}}, contentType string, body io.Reader{{end}}) (*{{genResponseTypeName $opid}}, error)

{{range .Bodies}}

    {{$opid}}{{.Suffix}}WithResponse(ctx context.Context{{genParamArgs $pathParams}}{{if $hasParams}}, params *{{$opid}}Params{{end}}, body {{$opid}}{{.NameTag}}RequestBody) (*{{genResponseTypeName $opid}}, error)

{{end}}{{/* range .Bodies */}}

{{end}}{{/* range . $opid := .OperationId */}}

}

{{range .}}{{$opid := .OperationId}}{{$op := .}}

type {{$opid | ucFirst}}Response struct {

    Body         []byte

	HTTPResponse *http.Response

    {{- range getResponseTypeDefinitions .}}

    {{.TypeName}} *{{.Schema.TypeDecl}}

    {{- end}}

}

// Status returns HTTPResponse.Status

func (r {{$opid | ucFirst}}Response) Status() string {

    if r.HTTPResponse != nil {

        return r.HTTPResponse.Status

    }

    return http.StatusText(0)

}

// StatusCode returns HTTPResponse.StatusCode

func (r {{$opid | ucFirst}}Response) StatusCode() int {

    if r.HTTPResponse != nil {

        return r.HTTPResponse.StatusCode

    }

    return 0

}

{{end}}

{{range .}}

{{$opid := .OperationId -}}

{{/* Generate client methods (with responses)*/}}

// {{$opid}}{{if .HasBody}}WithBody{{end}}WithResponse request{{if .HasBody}} with arbitrary body{{end}} returning *{{$opid}}Response

func (c *ClientWithResponses) {{$opid}}{{if .HasBody}}WithBody{{end}}WithResponse(ctx context.Context{{genParamArgs .PathParams}}{{if .RequiresParamObject}}, params *{{$opid}}Params{{end}}{{if .HasBody}}, contentType string, body io.Reader{{end}}) (*{{genResponseTypeName $opid}}, error){

    rsp, err := c.{{$opid}}{{if .HasBody}}WithBody{{end}}(ctx{{genParamNames .PathParams}}{{if .RequiresParamObject}}, params{{end}}{{if .HasBody}}, contentType, body{{end}})

    if err != nil {

        return nil, err

    }

    return Parse{{genResponseTypeName $opid | ucFirst}}(rsp)

}

{{$hasParams := .RequiresParamObject -}}

{{$pathParams := .PathParams -}}

{{$bodyRequired := .BodyRequired -}}

{{range .Bodies}}

func (c *ClientWithResponses) {{$opid}}{{.Suffix}}WithResponse(ctx context.Context{{genParamArgs $pathParams}}{{if $hasParams}}, params *{{$opid}}Params{{end}}, body {{$opid}}{{.NameTag}}RequestBody) (*{{genResponseTypeName $opid}}, error) {

    rsp, err := c.{{$opid}}{{.Suffix}}(ctx{{genParamNames $pathParams}}{{if $hasParams}}, params{{end}}, body)

    if err != nil {

        return nil, err

    }

    return Parse{{genResponseTypeName $opid | ucFirst}}(rsp)

}

{{end}}

{{end}}{{/* operations */}}

{{/* Generate parse functions for responses*/}}

{{range .}}{{$opid := .OperationId}}

// Parse{{genResponseTypeName $opid | ucFirst}} parses an HTTP response from a {{$opid}}WithResponse call

func Parse{{genResponseTypeName $opid | ucFirst}}(rsp *http.Response) (*{{genResponseTypeName $opid}}, error) {

    bodyBytes, err := ioutil.ReadAll(rsp.Body)

    defer rsp.Body.Close()

    if err != nil {

        return nil, err

    }

    response := {{genResponsePayload $opid}}

    {{genResponseUnmarshal .}}

    return response, nil

}

{{end}}{{/* range . $opid := .OperationId */}}

`,

	"client.tmpl": `// 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.

	Server string

	// Doer for performing requests, typically a *http.Client with any

	// customized settings, such as certificate chains.

	Client HttpRequestDoer

	// A callback for modifying requests which are generated before sending over

	// the network.

	RequestEditor 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.DefaultClient

    }

    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.RequestEditor = fn

		return nil

	}

}

// The interface specification for the client above.

type ClientInterface interface {

{{range . -}}

{{$hasParams := .RequiresParamObject -}}

{{$pathParams := .PathParams -}}

{{$opid := .OperationId -}}

    // {{$opid}} request {{if .HasBody}} with any body{{end}}

    {{$opid}}{{if .HasBody}}WithBody{{end}}(ctx context.Context{{genParamArgs $pathParams}}{{if $hasParams}}, params *{{$opid}}Params{{end}}{{if .HasBody}}, contentType string, body io.Reader{{end}}) (*http.Response, error)

{{range .Bodies}}

    {{$opid}}{{.Suffix}}(ctx context.Context{{genParamArgs $pathParams}}{{if $hasParams}}, params *{{$opid}}Params{{end}}, body {{$opid}}{{.NameTag}}RequestBody) (*http.Response, error)

{{end}}{{/* range .Bodies */}}

{{end}}{{/* range . $opid := .OperationId */}}

}

{{/* Generate client methods */}}

{{range . -}}

{{$hasParams := .RequiresParamObject -}}

{{$pathParams := .PathParams -}}

{{$opid := .OperationId -}}

func (c *Client) {{$opid}}{{if .HasBody}}WithBody{{end}}(ctx context.Context{{genParamArgs $pathParams}}{{if $hasParams}}, params *{{$opid}}Params{{end}}{{if .HasBody}}, contentType string, body io.Reader{{end}}) (*http.Response, error) {

    req, err := New{{$opid}}Request{{if .HasBody}}WithBody{{end}}(c.Server{{genParamNames .PathParams}}{{if $hasParams}}, params{{end}}{{if .HasBody}}, contentType, body{{end}})

    if err != nil {

        return nil, err

    }

    req = req.WithContext(ctx)

    if c.RequestEditor != nil {

        err = c.RequestEditor(ctx, req)

        if err != nil {

            return nil, err

        }

    }

    return c.Client.Do(req)

}

{{range .Bodies}}

func (c *Client) {{$opid}}{{.Suffix}}(ctx context.Context{{genParamArgs $pathParams}}{{if $hasParams}}, params *{{$opid}}Params{{end}}, body {{$opid}}{{.NameTag}}RequestBody) (*http.Response, error) {

    req, err := New{{$opid}}{{.Suffix}}Request(c.Server{{genParamNames $pathParams}}{{if $hasParams}}, params{{end}}, body)

    if err != nil {

        return nil, err

    }

    req = req.WithContext(ctx)

    if c.RequestEditor != nil {

        err = c.RequestEditor(ctx, req)

        if err != nil {

            return nil, err

        }

    }

    return c.Client.Do(req)

}

{{end}}{{/* range .Bodies */}}

{{end}}

{{/* Generate request builders */}}

{{range .}}

{{$hasParams := .RequiresParamObject -}}

{{$pathParams := .PathParams -}}

{{$bodyRequired := .BodyRequired -}}

{{$opid := .OperationId -}}

{{range .Bodies}}

// New{{$opid}}Request{{.Suffix}} calls the generic {{$opid}} builder with {{.ContentType}} body

func New{{$opid}}Request{{.Suffix}}(server string{{genParamArgs $pathParams}}{{if $hasParams}}, params *{{$opid}}Params{{end}}, body {{$opid}}{{.NameTag}}RequestBody) (*http.Request, error) {

    var bodyReader io.Reader

    buf, err := json.Marshal(body)

    if err != nil {

        return nil, err

    }

    bodyReader = bytes.NewReader(buf)

    return New{{$opid}}RequestWithBody(server{{genParamNames $pathParams}}{{if $hasParams}}, params{{end}}, "{{.ContentType}}", bodyReader)

}

{{end}}

// New{{$opid}}Request{{if .HasBody}}WithBody{{end}} generates requests for {{$opid}}{{if .HasBody}} with any type of body{{end}}

func New{{$opid}}Request{{if .HasBody}}WithBody{{end}}(server string{{genParamArgs $pathParams}}{{if $hasParams}}, params *{{$opid}}Params{{end}}{{if .HasBody}}, contentType string, body io.Reader{{end}}) (*http.Request, error) {

    var err error

{{range $paramIdx, $param := .PathParams}}

    var pathParam{{$paramIdx}} string

    {{if .IsPassThrough}}

    pathParam{{$paramIdx}} = {{.ParamName}}

    {{end}}

    {{if .IsJson}}

    var pathParamBuf{{$paramIdx}} []byte

    pathParamBuf{{$paramIdx}}, err = json.Marshal({{.ParamName}})

    if err != nil {

        return nil, err

    }

    pathParam{{$paramIdx}} = string(pathParamBuf{{$paramIdx}})

    {{end}}

    {{if .IsStyled}}

    pathParam{{$paramIdx}}, err = runtime.StyleParam("{{.Style}}", {{.Explode}}, "{{.ParamName}}", {{.GoVariableName}})

    if err != nil {

        return nil, err

    }

    {{end}}

{{end}}

    queryUrl, err := url.Parse(server)

    if err != nil {

        return nil, err

    }

    basePath := fmt.Sprintf("{{genParamFmtString .Path}}"{{range $paramIdx, $param := .PathParams}}, pathParam{{$paramIdx}}{{end}})

    if basePath[0] == '/' {

        basePath = basePath[1:]

    }

    queryUrl, err = queryUrl.Parse(basePath)

    if err != nil {

        return nil, err

    }

{{if .QueryParams}}

    queryValues := queryUrl.Query()

{{range $paramIdx, $param := .QueryParams}}

    {{if not .Required}} if params.{{.GoName}} != nil { {{end}}

    {{if .IsPassThrough}}

    queryValues.Add("{{.ParamName}}", {{if not .Required}}*{{end}}params.{{.GoName}})

    {{end}}

    {{if .IsJson}}

    if queryParamBuf, err := json.Marshal({{if not .Required}}*{{end}}params.{{.GoName}}); err != nil {

        return nil, err

    } else {

        queryValues.Add("{{.ParamName}}", string(queryParamBuf))

    }

    {{end}}

    {{if .IsStyled}}

    if queryFrag, err := runtime.StyleParam("{{.Style}}", {{.Explode}}, "{{.ParamName}}", {{if not .Required}}*{{end}}params.{{.GoName}}); err != nil {

        return nil, err

    } else if parsed, err := url.ParseQuery(queryFrag); err != nil {

       return nil, err

    } else {

       for k, v := range parsed {

           for _, v2 := range v {

               queryValues.Add(k, v2)

           }

       }

    }

    {{end}}

    {{if not .Required}}}{{end}}

{{end}}

    queryUrl.RawQuery = queryValues.Encode()

{{end}}{{/* if .QueryParams */}}

    req, err := http.NewRequest("{{.Method}}", queryUrl.String(), {{if .HasBody}}body{{else}}nil{{end}})

    if err != nil {

        return nil, err

    }

{{range $paramIdx, $param := .HeaderParams}}

    {{if not .Required}} if params.{{.GoName}} != nil { {{end}}

    var headerParam{{$paramIdx}} string

    {{if .IsPassThrough}}

    headerParam{{$paramIdx}} = {{if not .Required}}*{{end}}params.{{.GoName}}

    {{end}}

    {{if .IsJson}}

    var headerParamBuf{{$paramIdx}} []byte

    headerParamBuf{{$paramIdx}}, err = json.Marshal({{if not .Required}}*{{end}}params.{{.GoName}})

    if err != nil {

        return nil, err

    }

    headerParam{{$paramIdx}} = string(headerParamBuf{{$paramIdx}})

    {{end}}

    {{if .IsStyled}}

    headerParam{{$paramIdx}}, err = runtime.StyleParam("{{.Style}}", {{.Explode}}, "{{.ParamName}}", {{if not .Required}}*{{end}}params.{{.GoName}})

    if err != nil {

        return nil, err

    }

    {{end}}

    req.Header.Add("{{.ParamName}}", headerParam{{$paramIdx}})

    {{if not .Required}}}{{end}}

{{end}}

{{range $paramIdx, $param := .CookieParams}}

    {{if not .Required}} if params.{{.GoName}} != nil { {{end}}

    var cookieParam{{$paramIdx}} string

    {{if .IsPassThrough}}

    cookieParam{{$paramIdx}} = {{if not .Required}}*{{end}}params.{{.GoName}}

    {{end}}

    {{if .IsJson}}

    var cookieParamBuf{{$paramIdx}} []byte

    cookieParamBuf{{$paramIdx}}, err = json.Marshal({{if not .Required}}*{{end}}params.{{.GoName}})

    if err != nil {

        return nil, err

    }

    cookieParam{{$paramIdx}} = url.QueryEscape(string(cookieParamBuf{{$paramIdx}}))

    {{end}}

    {{if .IsStyled}}

    cookieParam{{$paramIdx}}, err = runtime.StyleParam("simple", {{.Explode}}, "{{.ParamName}}", {{if not .Required}}*{{end}}params.{{.GoName}})

    if err != nil {

        return nil, err

    }

    {{end}}

    cookie{{$paramIdx}} := &http.Cookie{

        Name:"{{.ParamName}}",

        Value:cookieParam{{$paramIdx}},

    }

    req.AddCookie(cookie{{$paramIdx}})

    {{if not .Required}}}{{end}}

{{end}}

    {{if .HasBody}}req.Header.Add("Content-Type", contentType){{end}}

    return req, nil

}

{{end}}{{/* Range */}}

`,

	"imports.tmpl": `// Package {{.PackageName}} provides primitives to interact the openapi HTTP API.

//

// Code generated by github.com/deepmap/oapi-codegen DO NOT EDIT.

package {{.PackageName}}

{{if .Imports}}

import (

{{range .Imports}} {{ . }}

{{end}})

{{end}}

`,

	"inline.tmpl": `// Base64 encoded, gzipped, json marshaled Swagger object

var swaggerSpec = []string{

{{range .}}

    "{{.}}",{{end}}

}

// 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

}

`,

	"param-types.tmpl": `{{range .}}{{$opid := .OperationId}}

{{range .TypeDefinitions}}

// {{.TypeName}} defines parameters for {{$opid}}.

type {{.TypeName}} {{.Schema.TypeDecl}}

{{end}}

{{end}}

`,

	"register.tmpl": `

// 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) {

{{if .}}

    wrapper := ServerInterfaceWrapper{

        Handler: si,

    }

{{end}}

{{range .}}router.{{.Method}}("{{.Path | swaggerUriToEchoUri}}", wrapper.{{.OperationId}})

{{end}}

}

`,

	"request-bodies.tmpl": `{{range .}}{{$opid := .OperationId}}

{{range .Bodies}}

// {{$opid}}RequestBody defines body for {{$opid}} for application/json ContentType.

type {{$opid}}{{.NameTag}}RequestBody {{.TypeDef}}

{{end}}

{{end}}

`,

	"server-interface.tmpl": `// ServerInterface represents all server handlers.

type ServerInterface interface {

{{range .}}{{.SummaryAsComment }}

// ({{.Method}} {{.Path}})

{{.OperationId}}(ctx echo.Context{{genParamArgs .PathParams}}{{if .RequiresParamObject}}, params {{.OperationId}}Params{{end}}) error

{{end}}

}

`,

	"typedef.tmpl": `{{range .Types}}

// {{.TypeName}} defines model for {{.JsonName}}.

type {{.TypeName}} {{.Schema.TypeDecl}}

{{- if gt (len .Schema.EnumValues) 0 }}

// List of {{ .TypeName }}

const (

	{{- $typeName := .TypeName }}

    {{- range $key, $value := .Schema.EnumValues }}

    {{ $typeName }}_{{ $key }} {{ $typeName }} = "{{ $value }}"

    {{- end }}

)

{{- end }}

{{end}}

`,

	"wrappers.tmpl": `// ServerInterfaceWrapper converts echo contexts to parameters.

type ServerInterfaceWrapper struct {

    Handler ServerInterface

}

{{range .}}{{$opid := .OperationId}}// {{$opid}} converts echo context to params.

func (w *ServerInterfaceWrapper) {{.OperationId}} (ctx echo.Context) error {

    var err error

{{range .PathParams}}// ------------- Path parameter "{{.ParamName}}" -------------

    var {{$varName := .GoVariableName}}{{$varName}} {{.TypeDef}}

{{if .IsPassThrough}}

    {{$varName}} = ctx.Param("{{.ParamName}}")

{{end}}

{{if .IsJson}}

    err = json.Unmarshal([]byte(ctx.Param("{{.ParamName}}")), &{{$varName}})

    if err != nil {

        return echo.NewHTTPError(http.StatusBadRequest, "Error unmarshaling parameter '{{.ParamName}}' as JSON")

    }

{{end}}

{{if .IsStyled}}

    err = runtime.BindStyledParameter("{{.Style}}",{{.Explode}}, "{{.ParamName}}", ctx.Param("{{.ParamName}}"), &{{$varName}})

    if err != nil {

        return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Invalid format for parameter {{.ParamName}}: %s", err))

    }

{{end}}

{{end}}

{{range .SecurityDefinitions}}

    ctx.Set("{{.ProviderName}}.Scopes", {{toStringArray .Scopes}})

{{end}}

{{if .RequiresParamObject}}

    // Parameter object where we will unmarshal all parameters from the context

    var params {{.OperationId}}Params

{{range $paramIdx, $param := .QueryParams}}// ------------- {{if .Required}}Required{{else}}Optional{{end}} query parameter "{{.ParamName}}" -------------

    {{if .IsStyled}}

    err = runtime.BindQueryParameter("{{.Style}}", {{.Explode}}, {{.Required}}, "{{.ParamName}}", ctx.QueryParams(), &params.{{.GoName}})

    if err != nil {

        return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Invalid format for parameter {{.ParamName}}: %s", err))

    }

    {{else}}

    if paramValue := ctx.QueryParam("{{.ParamName}}"); paramValue != "" {

    {{if .IsPassThrough}}

    params.{{.GoName}} = {{if not .Required}}&{{end}}paramValue

    {{end}}

    {{if .IsJson}}

    var value {{.TypeDef}}

    err = json.Unmarshal([]byte(paramValue), &value)

    if err != nil {

        return echo.NewHTTPError(http.StatusBadRequest, "Error unmarshaling parameter '{{.ParamName}}' as JSON")

    }

    params.{{.GoName}} = {{if not .Required}}&{{end}}value

    {{end}}

    }{{if .Required}} else {

        return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Query argument {{.ParamName}} is required, but not found"))

    }{{end}}

    {{end}}

{{end}}

{{if .HeaderParams}}

    headers := ctx.Request().Header

{{range .HeaderParams}}// ------------- {{if .Required}}Required{{else}}Optional{{end}} header parameter "{{.ParamName}}" -------------

    if valueList, found := headers[http.CanonicalHeaderKey("{{.ParamName}}")]; found {

        var {{.GoName}} {{.TypeDef}}

        n := len(valueList)

        if n != 1 {

            return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Expected one value for {{.ParamName}}, got %d", n))

        }

{{if .IsPassThrough}}

        params.{{.GoName}} = {{if not .Required}}&{{end}}valueList[0]

{{end}}

{{if .IsJson}}

        err = json.Unmarshal([]byte(valueList[0]), &{{.GoName}})

        if err != nil {

            return echo.NewHTTPError(http.StatusBadRequest, "Error unmarshaling parameter '{{.ParamName}}' as JSON")

        }

{{end}}

{{if .IsStyled}}

        err = runtime.BindStyledParameter("{{.Style}}",{{.Explode}}, "{{.ParamName}}", valueList[0], &{{.GoName}})

        if err != nil {

            return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Invalid format for parameter {{.ParamName}}: %s", err))

        }

{{end}}

        params.{{.GoName}} = {{if not .Required}}&{{end}}{{.GoName}}

        } {{if .Required}}else {

            return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Header parameter {{.ParamName}} is required, but not found"))

        }{{end}}

{{end}}

{{end}}

{{range .CookieParams}}

    if cookie, err := ctx.Cookie("{{.ParamName}}"); err == nil {

    {{if .IsPassThrough}}

    params.{{.GoName}} = {{if not .Required}}&{{end}}cookie.Value

    {{end}}

    {{if .IsJson}}

    var value {{.TypeDef}}

    var decoded string

    decoded, err := url.QueryUnescape(cookie.Value)

    if err != nil {

        return echo.NewHTTPError(http.StatusBadRequest, "Error unescaping cookie parameter '{{.ParamName}}'")

    }

    err = json.Unmarshal([]byte(decoded), &value)

    if err != nil {

        return echo.NewHTTPError(http.StatusBadRequest, "Error unmarshaling parameter '{{.ParamName}}' as JSON")

    }

    params.{{.GoName}} = {{if not .Required}}&{{end}}value

    {{end}}

    {{if .IsStyled}}

    var value {{.TypeDef}}

    err = runtime.BindStyledParameter("simple",{{.Explode}}, "{{.ParamName}}", cookie.Value, &value)

    if err != nil {

        return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Invalid format for parameter {{.ParamName}}: %s", err))

    }