export interface ReqOptions {
  method?: 'GET' | 'POST' | 'DELETE' | 'PATCH' | 'PUT' | 'HEAD' | 'OPTIONS' | 'CONNECT';
  headers?: Object;
  body?: string;
  mode?: 'cors' | 'no-cors' | 'same-origin';
  credentials?: 'omit' | 'same-origin' | 'include';
  cache?: 'default' | 'no-store' | 'reload' | 'no-cache' | 'force-cache' | 'only-if-cached';
  redirect?: 'follow' | 'error' | 'manual';
  referrer?: string;
  referrerPolicy?: 'referrer' | 'no-referrer-when-downgrade' | 'origin' | 'origin-when-cross-origin' | 'unsafe-url';
  integrity?: any;
  timeout?: number;
}
{{#each @root.namespaceList}}

export namespace {{capitalize this}} { {{setVar 'namespace' this}}
  {{#each @root.typeInfos}}
  {{#eq this.namespace @root.namespace}}

  export interface {{this.msgType}} {
  {{#each this.fields}}
    {{#unless this.isRepeated}}
    {{setVar 'tsType' (lookup @root.protoTsTypeMap this.fieldType)~}}
    {{this.fieldName}}{{nowrap~}}
    {{~#and this.fieldComment this.fieldComment.Joi~}}
    {{~#unless this.fieldComment.Joi.required}}?{{/unless~}}
    {{~/and~}}
    : {{#if @root.tsType}}{{@root.tsType}}{{else}}{{uppercaseAndReplaceUnderline this.fieldType}}{{/if}};
    {{else}}
    {{setVar 'tsType' (lookup @root.protoTsTypeMap this.fieldType)~}}
    {{this.fieldName}}List{{nowrap~}}
    {{#and this.fieldComment this.fieldComment.Joi~}}
    {{#unless this.fieldComment.Joi.required}}?{{/unless~}}
    {{/and~}}
    : {{#if @root.tsType}}{{@root.tsType}}{{else}}{{uppercaseAndReplaceUnderline this.fieldType}}{{/if}}[];
    {{/unless}}
  {{/each}}
  }
  {{/eq}}
  {{/each}}
}
{{/each}}

export interface ReqFunc {
  (path: string, options: ReqOptions): Promise<any>;
}

const TIMEOUT = 15000;

const defaultOptions = {
  method: 'POST',
  timeout: TIMEOUT,
  headers: { 'Content-Type': 'application/json' },
};

namespace ApiClient {
{{#each @root.selfServiceInfos}}
{{#each this.methods}}

  export async function {{lcfirst this.methodName}}(body: {{capitalize this.requestType}}, request: ReqFunc, options?: ReqOptions): Promise<{{capitalize this.responseType}}> {
    const path = '{{this.googleHttpOption.router}}';
    const requestOptions: ReqOptions = Object.assign({}, defaultOptions, options, { body: JSON.stringify(body) });
    return await request(path, requestOptions) as {{capitalize this.responseType}};
  }
{{/each}}
{{/each}}
}