"use strict";

const defaultValue = require("default-value");
const createError = require("create-error");

let BadStatusCode = createError("BadResponseCode");
let ParsingFailed = createError("ParsingFailed");

module.exports = {
	BadStatusCode,
	ParsingFailed,
	axiosConfiguration: {
		/* We do the status check manually in the response-handling code, so that we can identify it as a specific type of error. */
		validateStatus: () => true,
		/* Likewise, we manually attempt to parse the response body. */
		responseType: "text",
		/* The `responseType` setting above is currently (erroneously?) being ignored by Axios, and it tries to parse JSON anyway, which gives us an inconsistent result. This happens through the default `transformResponse` handler, so we remove that behaviour here by overriding it. */
		transformResponse: (data) => data
	},
	parse: function parseJsonResponse(response, options = {}) {
		let validateStatus = defaultValue(options.validateStatus, (status) => status >= 200 && status < 300);

		if (validateStatus(response.status)) {
			try {
				return JSON.parse(response.data);
			} catch (error) {
				throw new ParsingFailed("Could not parse response body as JSON");
			}
		} else {
			throw new BadStatusCode(`Got an unexpected HTTP status code (${response.status})`, { statusCode: response.status });
		}
	}
};