FreeAllMedia/appeal

import request from "request";
import privateData from "incognito";

import Response from "./response.js";

export default class Request {
    constructor(method) {
        const _ = privateData(this);
        _.method = method;
        _.data = null;
        _.url = null;
        _.headers = {};
        _.json = false;
    }

    url(url) {
        privateData(this).url = url;
        return this;
    }

    data(data) {
        privateData(this).data = data;
        return this;
    }

    header(key, value) {
        privateData(this).headers[key] = value;
        return this;
    }

    results(callback) {
        const _ = privateData(this);
        let options = {
                method: _.method,
                url: _.url,
                headers: _.headers
            };

        //search if it's json
        let jsonContentTypeHeader = Object.keys(_.headers).find((headerName) => {
            return (headerName.toLowerCase() === "content-type"
                && _.headers[headerName].indexOf("json") >= 0);
        });

        //infer json
        if(jsonContentTypeHeader) {
            _.json = true;
        }

        //add to the appropiate option
        if(_.data && _.json) {
            options.json = _.data;
        } else if(_.data) {
            options.body = _.data;
        } else if(_.json) {
            options.json = {};
        }

        request(options,
            (error, response, body) => {
                if(response) {
                    response.body = body || response.body;
                }
                callback(error, new Response(response));
            }
        );
    }
}

Object.defineProperties(Request, {
    "post": {
        get: () => {
            return new Request("POST");
        }
    },
    "put": {
        get: () => {
            return new Request("PUT");
        }
    },
    "get": {
        get: () => {
            return new Request("GET");
        }
    },
    "delete": {
        get: () => {
            return new Request("DELETE");
        }
    }
});