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package {{package}}

{{#imports}}import {{import}}
{{/imports}}
import {{invokerPackage}}.ApiInvoker
import {{invokerPackage}}.ApiException

import java.io.File
import java.util.Date

import scala.collection.mutable.HashMap

{{#operations}}
class {{classname}}(val defBasePath: String = "{{basePath}}",
                        defApiInvoker: ApiInvoker = ApiInvoker) {
  var basePath = defBasePath
  var apiInvoker = defApiInvoker

  def addHeader(key: String, value: String) = apiInvoker.defaultHeaders += key -> value 

  {{#operation}}
  def {{nickname}} ({{#allParams}}{{paramName}}: {{dataType}}{{#defaultValue}} = {{{defaultValue}}}{{/defaultValue}}{{#hasMore}}, {{/hasMore}}{{/allParams}}) {{#returnType}}: Option[{{returnType}}]{{/returnType}} = {
    // create path and map variables
    val path = "{{path}}".replaceAll("\\{format\\}","json"){{#pathParams}}.replaceAll("\\{" + "{{baseName}}" + "\\}",apiInvoker.escape({{paramName}}))

    {{/pathParams}}

    {{newline}}
    val contentType = {
      {{#bodyParam}}if({{paramName}} != null && {{paramName}}.isInstanceOf[File] )
        "multipart/form-data"
      else "application/json"
      {{/bodyParam}}
      {{^bodyParam}}"application/json"{{/bodyParam}}
    }

    // query params
    val queryParams = new HashMap[String, String]
    val headerParams = new HashMap[String, String]

    {{#requiredParamCount}}
    // verify required params are set
    (List({{/requiredParamCount}}{{#requiredParams}} {{paramName}}{{#hasMore}}, {{/hasMore}}{{/requiredParams}}{{#requiredParamCount}}).filter(_ != null)).size match {
       case {{requiredParamCount}} => // all required values set
       case _ => throw new Exception("missing required params")
    }
    {{/requiredParamCount}}

    {{#queryParams}}if(String.valueOf({{paramName}}) != "null") queryParams += "{{baseName}}" -> {{paramName}}.toString
    {{/queryParams}}
    
    {{#headerParams}}headerParams += "{{baseName}}" -> {{paramName}}
    {{/headerParams}}

    try {
      apiInvoker.invokeApi(basePath, path, "{{httpMethod}}", queryParams.toMap, {{#bodyParam}}{{paramName}}{{/bodyParam}}{{^bodyParam}}None{{/bodyParam}}, headerParams.toMap, contentType) match {
        case s: String =>
          {{#returnType}} Some(ApiInvoker.deserialize(s, "{{returnContainer}}", classOf[{{returnBaseType}}]).asInstanceOf[{{returnType}}])
        {{/returnType}} 
        case _ => None
      }
    } catch {
      case ex: ApiException if ex.code == 404 => None
      case ex: ApiException => throw ex
    }
  }
  {{/operation}}
}
{{/operations}}