import {Injectable} from '@angular/core'
import {Router} from '@angular/router'
import {HttpClient, HttpHeaders, HttpHeaderResponse, HttpResponse} from '@angular/common/http';
import 'rxjs/add/operator/map';
import {Observable} from 'rxjs/Observable'
import Config, {default as config} from '../../config'
import DimmerService from "../dimmer/index";
import {ToastrService} from 'ngx-toastr';
import StorageService from "../storage/index";

declare const $: any;

@Injectable()
export default class BasicService {
    constructor(private http: HttpClient,
                private storageService: StorageService,
                private router: Router,
                private toastr: ToastrService,
                private dimmerService: DimmerService) {
    }

    private configHeader(noParam = false) {
        let headers = {};
        /*if (noParam) {
            headers['Content-Type'] = 'application/json';
        } else {
            headers['Content-Type'] = 'application/x-www-form-urlencoded;';
        }
        headers['Content-Type'] = 'application/x-www-form-urlencoded;charset=utf-8';*/
        headers['Content-Type'] = 'application/json';
        headers['Accept'] = 'application/json';
        return headers;
    }

    send(api, data = {}, method: string = 'POST', noParam = true) {
        let url = Config.apiHost + api;
        let observable: Observable<any>;
        if (method.toUpperCase() === 'GET') {
            if (data && $.param(data)) {
                url += '?' + $.param(data)
            }
            observable = this.http.get(url, {
                headers: this.configHeader(noParam),
                //withCredentials: true,
                // observe: 'response'
            });
        } else {
            observable = this.http.post(url, noParam ? data : $.param(data), {
                headers: this.configHeader(noParam),
                //withCredentials: true
            })
        }
        return new Promise((resolve, reject) => {
            observable.subscribe(data => {
                if (data.error == '没有权限') {
                    window.location.href = config.loginUrl;
                    this.storageService.clear()
                }
                resolve(data);
            }, err => {
                if (err.status == 404) {
                    window.location.href = config.loginUrl;
                    this.storageService.clear()
                }
                reject(err);
            })
        });
    }

    get pageSize() {
        return this.storageService.get('pageSize') || config.limit;
    }

}