import { Injectable } from '@angular/core';
import { Md5 } from 'ts-md5/dist/md5';
import pluralize from 'pluralize';
import * as moment from 'moment';

/**
 * Tracks page activity and store locally,
 * transmit to server on subsequent visit
 */
@Injectable()
export class SpyService{

    /**
     * should be called only once per session
     */
    activate(){

        /**
         * if a session log has been created before
         * send to server, then empty
         * and prepare the store for fresh log
         */
    }

    /**
     * called in response to events
     * 
     * add new log event to store
     * to be sent to server later
     * 
     * activity: click, hover, scroll, type (search)
     * element: anchor, page, button
     * detail: url, title 
     */
    detect(activity: string, element: string, detail: string){
        this.log('activity', {
            // dateTime: moment().format(),
            event: activity,
            element: element,
            value: detail
        });
    }

    /**
     * non-activity based events
     */
    session(){
        this.log('activity', {});
    }

    user(){
        this.log('activity', {
            // id: datum['id'],
            // proprietorId: datum['proprietor_id'],
            // guestHashId: datum['guest_hash_id'],
            // name: datum['name'],
            // email: datum['email'],
            // role: datum['role'],
            // avatar: { title: datum['name'] + '/' + datum['avatar'], url: datum['avatar'] },
            // summary: datum['summary'],
            // detail: datum['detail'],
            // status: datum['status'],
            // createdAt: moment(datum['created_at']).format(),
            // updatedAt: moment(datum['updated_at']).format()  
        });
    }

    page(){
        this.log('activity', {
            // id: datum['id'],
            // guestHashId: datum['guest_hash_id'],
            // startTime: datum['start_time'],
            // endTime: datum['start_time'],
            // status: datum['status'],
            // createdAt: moment(datum['created_at']).format(),
            // updatedAt: moment(datum['updated_at']).format()   
        });
    }

    share(){
        this.log('activity', {
            // id: datum['id'],
            // guestHashId: datum['guest_hash_id'],
            // stuffId: datum['stuff_id'],
            // key: datum['key'],
            // value: datum['value'],
            // status: datum['status'],
            // createdAt: moment(datum['created_at']).format(),
            // updatedAt: moment(datum['updated_at']).format()   
        });
    }

    track(){
        this.log('activity', {
            // id: datum['id'],
            // guestHashId: datum['guest_hash_id'],
            // stuffId: datum['stuff_id'],
            // key: datum['key'],
            // value: datum['value'],
            // status: datum['status'],
            // createdAt: moment(datum['created_at']).format(),
            // updatedAt: moment(datum['updated_at']).format()   
        });
    }

    log(model: string, data: Object){
        // let log: Object[] = JSON.parse(this.store.get(this.sessionId));
        // log.push({
        //     model: model,
        //     data: data
        // });
        // this.store.set(this.sessionId, JSON.stringify(log));
    }
}