// Type definitions for axios 0.5.2
// Project: https://github.com/mzabriskie/axios
// Definitions by: Marcel Buesing <https://github.com/marcelbuesing>
// Definitions: https://github.com/borisyankov/DefinitelyTyped


declare module Axios {

    interface IThenable<R> {
        then<U>(onFulfilled?: (value: R) => U | IThenable<U>, onRejected?: (error: any) => U | IThenable<U>): IThenable<U>;
        then<U>(onFulfilled?: (value: R) => U | IThenable<U>, onRejected?: (error: any) => void): IThenable<U>;
    }

    interface IPromise<R> extends IThenable<R> {
        then<U>(onFulfilled?: (value: R) => U | IThenable<U>, onRejected?: (error: any) => U | IThenable<U>): IPromise<U>;
        then<U>(onFulfilled?: (value: R) => U | IThenable<U>, onRejected?: (error: any) => void): IPromise<U>;
        catch<U>(onRejected?: (error: any) => U | IThenable<U>): IPromise<U>;
    }

    /**
     * <T> - request body data type
     */
    interface AxiosXHRConfigBase<T> {

        /**
         * Change the request data before it is sent to the server.
         * This is only applicable for request methods 'PUT', 'POST', and 'PATCH'
         * The last function in the array must return a string or an ArrayBuffer
         */
        transformRequest?: (<U>(data: T) => U) | [<U>(data: T) => U];

        /**
         * change the response data to be made before it is passed to then/catch
         */
        transformResponse?: <U>(data: T) => U;

        /**
         * custom headers to be sent
         */
        headers?: Object;

        /**
         * URL parameters to be sent with the request
         */
        params?: Object;

        /**
         * indicates whether or not cross-site Access-Control requests
         * should be made using credentials
         */
        withCredentials?: boolean;

        /**
         * indicates the type of data that the server will respond with
         * options are 'arraybuffer', 'blob', 'document', 'json', 'text'
         */
        responseType?: string;

        /**
         * name of the cookie to use as a value for xsrf token
         */
        xsrfCookieName?: string;

        /**
         * name of the http header that carries the xsrf token value
         */
        xsrfHeaderName?: string;

    }

    /**
     * <T> - request body data type
     */
    interface AxiosXHRConfig<T> extends AxiosXHRConfigBase<T> {
        /**
         * server URL that will be used for the request, options are:
         * GET, PUT, POST, DELETE, CONNECT, HEAD, OPTIONS, TRACE, PATCH
         */
        url: string;

        /**
         * request method to be used when making the request
         */
        method?: string;

        /**
         * data to be sent as the request body
         * Only applicable for request methods 'PUT', 'POST', and 'PATCH'
         * When no `transformRequest` is set, must be a string, an ArrayBuffer or a hash
         */
        data?: T;
    }

    /**
     * <T> - expected response type, 
     * <U> - request body data type
     */
    interface AxiosXHR<T> {
        /**
         * Response that was provided by the server
         */
        data: T;

        /**
         * HTTP status code from the server response
         */
        status: number;

        /**
         * HTTP status message from the server response
         */
        statusText: string;

        /**
         * headers that the server responded with
         */
        headers: Object;

        /**
         * config that was provided to `axios` for the request
         */
        config: AxiosXHRConfig<T>;
    }

    /**
     * <T> - expected response type, 
     * <U> - request body data type
     */
    interface AxiosStatic {

        <T>(config: AxiosXHRConfig<T>): IPromise<AxiosXHR<T>>;

        new <T>(config: AxiosXHRConfig<T>): IPromise<AxiosXHR<T>>;

        /**
         * convenience alias, method = GET
         */
        get<T>(url: string, config?: AxiosXHRConfigBase<T>): IPromise<AxiosXHR<T>>;


        /**
         * convenience alias, method = DELETE
         */
        delete<T>(url: string, config?: AxiosXHRConfigBase<T>): IPromise<AxiosXHR<T>>;

        /**
         * convenience alias, method = HEAD
         */
        head<T>(url: string, config?: AxiosXHRConfigBase<T>): IPromise<AxiosXHR<T>>;

        /**
         * convenience alias, method = POST
         */
        post<T>(url: string, data?: any, config?: AxiosXHRConfigBase<T>): IPromise<AxiosXHR<T>>;

        /**
         * convenience alias, method = PUT
         */
        put<T>(url: string, data?: any, config?: AxiosXHRConfigBase<T>): IPromise<AxiosXHR<T>>;

        /**
         * convenience alias, method = PATCH
         */
        patch<T>(url: string, data?: any, config?: AxiosXHRConfigBase<T>): IPromise<AxiosXHR<T>>;
    }
}

declare var axios: Axios.AxiosStatic;

declare module "axios" {
    export = axios;
}