import Conversation, { MemberState } from '@nirvana/core/models/conversation.model';
import NirvanaResponse, { INirvanaResponse } from '@nirvana/core/responses/nirvanaResponse';
import axios, { AxiosRequestConfig, AxiosResponse, Method } from 'axios';

import CreateConversationRequest from '@nirvana/core/requests/CreateConversationRequest.request';
import CreateConversationResponse from '@nirvana/core/responses/CreateConversationResponse.response';
import LoginResponse from '@nirvana/core/responses/login.response';
import UpdateConversationPriorityRequest from '@nirvana/core/requests/UpdateConversationPriority.request';
import UserDetailsResponse from '@nirvana/core/responses/userDetails.response';
import UserSearchResponse from '@nirvana/core/responses/userSearch.response';

// export const localHost = process.env.REACT_APP_API_DOMAIN;

export const localHost = 'http://localhost:8080/api';

export default class NirvanaApi {
  // auth token from google that our backend will use
  static _jwtToken?: string;

  static async fetch<T>(url: string, method: Method, privateRoute = false, body: object = null) {
    // use the auth token if it's a private route
    // error if no auth token and it's a private route
    // throw error and show message on anything that is an error from the backend

    const fullUrl = localHost + url;

    let res;
    if (privateRoute && !this._jwtToken) throw Error('No jwt token available!');

    if (privateRoute && this._jwtToken) {
      res = await fetch(fullUrl, {
        method: method,
        headers: {
          Authorization: this._jwtToken,
          'Content-Type': 'application/json',
        },
        body: body ? JSON.stringify(body) : null,
      });
    } else {
      res = await fetch(fullUrl);
    }

    const resultJson = await res.json();

    if (!res.ok) {
      throw Error((resultJson as INirvanaResponse<string>).message);
    }

    return resultJson as T;
  }
}

export async function serverCheck(): Promise<void> {
  return await NirvanaApi.fetch(`/status`, 'GET', false);
}

export async function login(reqLoginTokens: {
  accessToken: string;
  idToken: string;
}): Promise<LoginResponse> {
  return await NirvanaApi.fetch(
    `/user/login?access_token=${reqLoginTokens.accessToken}&id_token=${reqLoginTokens.idToken}`,
    'GET',
    false,
  );
}

export async function authCheck(): Promise<void> {
  return await NirvanaApi.fetch(`/user/authcheck`, 'GET', true);
}

export async function getUserDetails(): Promise<UserDetailsResponse> {
  return await NirvanaApi.fetch(`/user`, 'GET', true);
}

export async function userSearch(searchQuery: string): Promise<UserSearchResponse> {
  return await NirvanaApi.fetch(`/search/users?query=${searchQuery}`, 'GET', true);
}

export async function createConversation(
  req: CreateConversationRequest,
): Promise<NirvanaResponse<CreateConversationResponse>> {
  return await NirvanaApi.fetch(`/conversations`, 'POST', true, req);
}

export async function getConversations(): Promise<NirvanaResponse<Conversation[]>> {
  return await NirvanaApi.fetch(`/conversations`, 'GET', true);
}

export async function checkIfOnOnOneExists(otherUserId: string): Promise<NirvanaResponse<string>> {
  return await NirvanaApi.fetch(`/conversations/check/${otherUserId}`, 'GET', true);
}

export async function getConversationById(
  conversationId: string,
): Promise<NirvanaResponse<Conversation>> {
  return await NirvanaApi.fetch(`/conversations/${conversationId}`, 'GET', true);
}

export async function updateConversationPriority(
  conversationId: string,
  newState: MemberState,
): Promise<NirvanaResponse<string>> {
  return await NirvanaApi.fetch(
    `/conversations/${conversationId}/priority`,
    'POST',
    true,
    new UpdateConversationPriorityRequest(newState),
  );
}