import {Injectable} from '@angular/core';
import {Headers, Http, Response} from '@angular/http';
import { Observable } from 'rxjs/Observable';
import 'rxjs/add/operator/map'
import {AppSettings} from '../app.settings';
import {HttpClient} from "../http-client";
import {Router} from "@angular/router";
import {User, City} from "../_models";

@Injectable()
export class AuthService {

    public user: User = new User();

    constructor (
        private http: HttpClient,
        private router: Router,
    ) {
        this.profile().subscribe();
    }


    isAuth(): boolean {
        return this.http.isAuth();
    }

    token():string {
        return this.http.token();
    }

    login(email: string, password: string) {
        return this.http.post(AppSettings.API_URL+'auth/login', { email: email, password: password })
            .map((response: Response) => {
                console.log(response);
                let user = response.json();
                if (user && user.data.token) {
                    localStorage.setItem('token', user.data.token);
                    console.log("saved");
                }
                this.profile().subscribe();
            });
    }

    register(email: string, password: string, name: string) {
        return this.http.post(AppSettings.API_URL+'auth/register', { email: email, password: password, name: name })
            .map((response: Response) => {
                console.log(response);
                let user = response.json();
                if (user && user.data.token) {
                    localStorage.setItem('token', user.data.token);
                    console.log("saved");
                }
                this.profile().subscribe();
            });
    }

    logout() {
        localStorage.removeItem('token');
        this.http.post(AppSettings.API_URL+'auth/logout', { })
            .map((response: Response) => {})
            .subscribe();
        this.user = null;
        this.router.navigate(['/home']);
    }

    update(email, name: string, city: City) {
        let data = {};
        if (email != null && name != null) {
            data = {
                email: email,
                name: name
            };
            this.user.email = email;
            this.user.name = name;
        } else {
            data = {
                city: city.id
            };
        }

        return this.http.put(AppSettings.API_URL+'auth/update', data)
            .map((response: Response) => {
                console.log(response);
            });
    }

    update_password(oldPassword:string, newPassword:string) {
        return this.http.put(AppSettings.API_URL+'auth/update_password',
            {
                old_password: oldPassword,
                password: newPassword,
                rePassword: newPassword
            });
    }

    profile() {
        return this.http.get(AppSettings.API_URL+'auth/profile')
            .map((response: Response) => {
                let res = response.json();
                if (res.status == "success") {
                    console.log(res.data.user);
                    this.user = new User(res.data.user);
                }
            });
    }
}