// tslint:disable
/**
 * OpenAPI Petstore
 * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
 *
 * OpenAPI spec version: 1.0.0
 * 
 *
 * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
 * https://openapi-generator.tech
 * Do not edit the class manually.
 */


export const BASE_PATH = "http://petstore.swagger.io/v2".replace(/\/+$/, "");

/**
 * This is the base class for all generated API classes.
 */
export class BaseAPI {

    private middleware: Middleware[];

    constructor(protected configuration = new Configuration()) {
        this.middleware = configuration.middleware;
    }

    withMiddleware<T extends BaseAPI>(this: T, ...middlewares: Middleware[]) {
        const next = this.clone<T>();
        next.middleware = next.middleware.concat(...middlewares);
        return next;
    }

    withPreMiddleware<T extends BaseAPI>(this: T, ...preMiddlewares: Array<Middleware['pre']>) {
        const middlewares = preMiddlewares.map((pre) => ({ pre }));
        return this.withMiddleware<T>(...middlewares);
    }

    withPostMiddleware<T extends BaseAPI>(this: T, ...postMiddlewares: Array<Middleware['post']>) {
        const middlewares = postMiddlewares.map((post) => ({ post }));
        return this.withMiddleware<T>(...middlewares);
    }

    protected async request(context: RequestOpts): Promise<Response> {
        const { url, init } = this.createFetchParams(context);
        const response = await this.fetchApi(url, init);
        if (response.status >= 200 && response.status < 300) {
            return response;
        }
        throw response;
    }

    private createFetchParams(context: RequestOpts) {
        let url = this.configuration.basePath + context.path;
        if (context.query !== undefined && Object.keys(context.query).length !== 0) {
            // only add the querystring to the URL if there are query parameters.
            // this is done to avoid urls ending with a "?" character which buggy webservers
            // do not handle correctly sometimes.
            url += '?' + querystring(context.query);
        }
        const body = context.body instanceof FormData ? context.body : JSON.stringify(context.body);
        const init = {
            method: context.method,
            headers: context.headers,
            body,
        };
        return { url, init };
    }

    private fetchApi = async (url: string, init: RequestInit) => {
        let fetchParams = { url, init };
        for (const middleware of this.middleware) {
            if (middleware.pre) {
                fetchParams = await middleware.pre({
                    fetch: this.fetchApi,
                    ...fetchParams,
                }) || fetchParams;
            }
        }
        let response = await this.configuration.fetchApi(fetchParams.url, fetchParams.init);
        for (const middleware of this.middleware) {
            if (middleware.post) {
                response = await middleware.post({
                    fetch: this.fetchApi,
                    url,
                    init,
                    response: response.clone(),
                }) || response;
            }
        }
        return response;
    }

    /**
     * Create a shallow clone of `this` by constructing a new instance
     * and then shallow cloning data members.
     */
    private clone<T extends BaseAPI>(this: T): T {
        const constructor = this.constructor as any;
        const next = new constructor(this.configuration);
        next.middleware = this.middleware.slice();
        return next;
    }
};

export class RequiredError extends Error {
    name: "RequiredError" = "RequiredError";
    constructor(public field: string, msg?: string) {
        super(msg);
    }
}

export const COLLECTION_FORMATS = {
    csv: ",",
    ssv: " ",
    tsv: "\t",
    pipes: "|",
};

export type FetchAPI = GlobalFetch['fetch'];

export interface ConfigurationParameters {
    basePath?: string; // override base path
    fetchApi?: FetchAPI; // override for fetch implementation
    middleware?: Middleware[]; // middleware to apply before/after fetch requests
    username?: string; // parameter for basic security
    password?: string; // parameter for basic security
    apiKey?: string | ((name: string) => string); // parameter for apiKey security
    accessToken?: string | ((name: string, scopes?: string[]) => string); // parameter for oauth2 security
}

export class Configuration {
    constructor(private configuration: ConfigurationParameters = {}) {}

    get basePath(): string {
        return this.configuration.basePath || BASE_PATH;
    }

    get fetchApi(): FetchAPI {
        return this.configuration.fetchApi || window.fetch.bind(window);
    }

    get middleware(): Middleware[] {
        return this.configuration.middleware || [];
    }

    get username(): string | undefined {
        return this.configuration.username;
    }

    get password(): string | undefined {
        return this.configuration.password;
    }

    get apiKey(): ((name: string) => string) | undefined {
        const apiKey = this.configuration.apiKey;
        if (apiKey) {
            return typeof apiKey === 'function' ? apiKey : () => apiKey;
        }
        return undefined;
    }

    get accessToken(): ((name: string, scopes?: string[]) => string) | undefined {
        const accessToken = this.configuration.accessToken;
        if (accessToken) {
            return typeof accessToken === 'function' ? accessToken : () => accessToken;
        }
        return undefined;
    }
}

export type Json = any;
export type HTTPMethod = 'GET' | 'POST' | 'PUT' | 'PATCH' | 'DELETE' | 'OPTIONS';
export type HTTPHeaders = { [key: string]: string };
export type HTTPQuery = { [key: string]: string | number | null | boolean | Array<string | number | null | boolean> };
export type HTTPBody = Json | FormData;
export type ModelPropertyNaming = 'camelCase' | 'snake_case' | 'PascalCase' | 'original';

export interface FetchParams {
    url: string;
    init: RequestInit;
}

export interface RequestOpts {
    path: string;
    method: HTTPMethod;
    headers: HTTPHeaders;
    query?: HTTPQuery;
    body?: HTTPBody;
}

export function exists(json: any, key: string) {
    const value = json[key];
    return value !== null && value !== undefined;
}

export function querystring(params: HTTPQuery) {
    return Object.keys(params)
        .map((key) => {
            const value = params[key];
            if (value instanceof Array) {
                const multiValue = value.join(`&${encodeURIComponent(key)}=`);
                return `${encodeURIComponent(key)}=${multiValue}`;
            }
            return `${encodeURIComponent(key)}=${encodeURIComponent(String(value))}`
        })
        .join('&');
}

export interface RequestContext {
    fetch: FetchAPI;
    url: string;
    init: RequestInit;
}

export interface ResponseContext {
    fetch: FetchAPI;
    url: string;
    init: RequestInit;
    response: Response;
}

export interface Middleware {
    pre?(context: RequestContext): Promise<FetchParams | void>;
    post?(context: ResponseContext): Promise<Response | void>;
}

export interface ApiResponse<T> {
    raw: Response;
    value(): Promise<T>;
}

export interface ResponseTransformer<T> {
    (json: any): T;
}

export class JSONApiResponse<T> {
    constructor(public raw: Response, private transformer: ResponseTransformer<T> = (jsonValue: any) => jsonValue) {}

    async value() {
        return this.transformer(await this.raw.json());
    }
}

export class VoidApiResponse {
    constructor(public raw: Response) {}

    async value() {
        return undefined;
    }
}

export class BlobApiResponse {
    constructor(public raw: Response) {}

    async value() {
        return await this.raw.blob();
    };
}

export class TextApiResponse {
    constructor(public raw: Response) {}

    async value() {
        return await this.raw.text();
    };
}
