import { Headers } from 'tns-core-modules/http';

import { HttpsResponse } from './https.common';

import { isAndroid } from 'tns-core-modules/platform';

import * as AppSettings from 'tns-core-modules/application-settings';

const MobileStorageCookieStore = require('tough-cookie-mobile-storage-store');

import { CookieJar } from 'tough-cookie-no-native';

const STORE_KEY = 'NS_COOKIE_STORE';

class NSStorageWrapper {

getItem = (key: string) => AppSettings.getString(key);

setItem = (key: string, value: string) => AppSettings.setString(key, value);

}

const store = new MobileStorageCookieStore(new NSStorageWrapper(), STORE_KEY);

export const cookieJar = new CookieJar(store);

export function resolveCookieStringAndroid(headers: okhttp3.Headers): string[] {

const searchReg = /^set-cookie$/i;

const length: number = headers.size();

let result: string[] = [];

for (let i = 0; i < length; i++) {

const key = headers.name(i);

if (key.match(searchReg)) {

const value = headers.value(i);

result = [...result, value];

}

}

return result;

}

export function resolveCookieStringIOS(headers: NSDictionary<any, any>): string[] {

const searchReg = /^set-cookie$/i;

let result: string[] = [];

headers.enumerateKeysAndObjectsUsingBlock((key, value) => {

if (key.match(searchReg)) {

result = [...result, value];

}

});

return result;

}

export function handleCookie(url: string, headers: okhttp3.Headers | NSDictionary<any, any>): void {

const cookies = isAndroid

? resolveCookieStringAndroid(<okhttp3.Headers>headers)

: resolveCookieStringIOS(<NSDictionary<any, any>>headers);

console.log('received cookie');

try {

console.dir(JSON.stringify(cookies));

} catch (error) {

console.log(error.message);

}

return (

cookies &&

cookies.length &&

cookies.forEach(cookie => cookieJar.setCookieSync(cookie, url, { ignoreError: true }))

);

}

function resolvePassedCookieString(headers: Headers = {}): string {

const searchReg = /^cookie$/i;

const key = Object.keys(headers).find(key => Boolean(key.match(searchReg)));

const cookie = headers[key];

return Array.isArray(cookie) ? cookie.reduce((s1, s2) => `${s1}; ${s2}`, '') : cookie;

}

export function mergeRequestHeaders(url: string, headers = {}): { [key: string]: string } {

const cookies = resolvePassedCookieString(headers);

const existingCookies = cookieJar.getCookieStringSync(url);

console.log('existing cookie');

try {

console.dir(JSON.stringify(existingCookies));

} catch (error) {

console.log(error.message);

}

const mergedCookies = [cookies, existingCookies]

.filter(str => str)

.reduce((s1, s2) => `${s1}; ${s2}`, '');

return mergedCookies ? { ...headers, Cookie: mergedCookies } : headers;

}

export function clearCookies(): void {

return AppSettings.remove(STORE_KEY);

}