import {Injectable} from "@angular/core";
import {DeviceInfoInterface} from "../../core/interfaces/device-info.interface";
import {ScreenService} from "../../core/app-error/service/screen-service";
import {PlatFormInfo} from "../../core/app-error/models/plat_form_info";
import {PLATFORM} from '../../core/enum/platform';
import {AppData} from '../../../df-ext/app-data';

@Injectable()
export class DeviceInfoWechatService implements DeviceInfoInterface {
    private deviceReady: Promise<PlatFormInfo>;
    private _platformInfo: PlatFormInfo;

    constructor(private screenService: ScreenService) {
        this.deviceInit();
    }

    getPlatformInfo(): PlatFormInfo {
        return this._platformInfo;
    }

    ready(): Promise<PlatFormInfo> {
        return this.deviceReady;
    }

    reload(): Promise<PlatFormInfo> {
        this.deviceInit();
        return this.deviceReady;
    }

    // 初始化设备信息
    deviceInit() {
        this._platformInfo = new PlatFormInfo();
        this.deviceReady = new Promise((resolve, reject) => {
            // 微信
            this._platformInfo.isVirtual = true; // 不是虚拟设备
            this._platformInfo.appId = AppData.config.APP_ID;
            this.getScreenInfo();

            this._platformInfo.osVersion = parseFloat(navigator.appVersion).toString(); // 浏览器版本

            this._platformInfo.userAgent = navigator.userAgent.toLowerCase();

            const matches = this._platformInfo.userAgent.match(/micromessenger\/([a-zA-Z0-9.-]+)/);
            const version = matches && matches[1];
            this._platformInfo.runtimeEnvironment = "Wechart" + " (版本" + version + ")";

            const usMatchStrDeviceIOS = this._platformInfo.userAgent.match(/iphone/i);
            if (usMatchStrDeviceIOS && usMatchStrDeviceIOS[0] === "iphone") {
                this._platformInfo.platform = PLATFORM.IOS;
            }
            const usMatchStrDeviceAND = this._platformInfo.userAgent.match(/android/i);
            if (usMatchStrDeviceAND && usMatchStrDeviceAND[0] === "android") {
                this._platformInfo.platform = PLATFORM.Android;
            }

            this._platformInfo.serial = "wechat";       // 设备硬件序列号
            this._platformInfo.uuid = "wechat";         // 设备UUID
            this._platformInfo.cordovaVersion = "wechat"; // cordova 版本
            this._platformInfo.isCordova = false;
            this._platformInfo.appVersion = "1.0.0";
            this._platformInfo.remoteVersion = "1.0.0";
            this._platformInfo.forceUpgrade = false;
            this._platformInfo.upgradeContent = "微信运行环境无法升级";

            if (this._platformInfo.platform == null) {
                this._platformInfo.platform = PLATFORM.Other;
            }
            resolve(this._platformInfo);
        });
    }

    // 屏幕信息
    getScreenInfo() {
        this._platformInfo.screenWidth = this.screenService.screenInfo.screenWidth;
        this._platformInfo.screenHeight = this.screenService.screenInfo.screenHeight;
        this._platformInfo.deviceWidth = this.screenService.screenInfo.deviceWidth;
        this._platformInfo.deviceHeight = this.screenService.screenInfo.deviceHeight;
        this._platformInfo.devicePixelRatio = this.screenService.screenInfo.devicePixelRatio;
    }
}