const { fetch: nativeFetch } = window;

export function generateUUID() {

return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {

var r = Math.random() * 16 | 0,

v = c === 'x' ? r : (r & 0x3 | 0x8);

return v.toString(16);

});

}

export function getCookie(name) {

const value = `; ${document.cookie}`;

const parts = value.split(`; ${name}=`);

if (parts.length === 2) return parts.pop().split(';').shift();

}

export function setCookie(name, value, days) {

const expirationDate = new Date();

expirationDate.setTime(expirationDate.getTime() + (days * 24 * 60 * 60 * 1000));

document.cookie = `${name}=${value};expires=${expirationDate.toUTCString()};path=/`;

}

export function getUserId() {

const cookieName = 'chatfaq-user-uuid'

let uuid = getCookie(cookieName);

if (!uuid) {

uuid = generateUUID();

setCookie(cookieName, uuid, 365 * 10); // Save the UUID in cookies for 10 years

}

return uuid;

}

export function createTextMessage(type, content, stack_id, stack_group_id) {

return {

"sender": {

"type": type,

"platform": "WS",

},

"stack": [{

"type": "message",

"payload": {

content

},

}],

"stack_id": stack_id || generateUUID(),

"stack_group_id": stack_group_id || generateUUID(),

"last": true,

};

}

export function createMessage(type, stack, stack_id, stack_group_id) {

return {

"sender": {

"type": type,

"platform": "WS",

},

"stack": stack,

"stack_id": stack_id || generateUUID(),

"stack_group_id": stack_group_id || generateUUID(),

"last": true,

};

}

const logoutEvent = new Event("chatfaq-logout");

window.chatfaqFetch = async (...args) => {

let [resource, config ] = args;

const response = await nativeFetch(resource, config);

if (response.status === 401 || response.status === 403) {

document.dispatchEvent(logoutEvent);

}

return response;

};