import 'dart:async';

import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:fcs/vo/document_log.dart';
import 'package:fcs/vo/log.dart';

import 'base_model.dart';
import 'constants.dart';

class LogModel extends BaseModel {
  List<Log> logs = [];
  List<DocLog> docLogs = [];

  void initUser(user) {
    super.initUser(user);
    _loadLogs();
  }


  @override
  logout() async {
    logs = [];
    docLogs=[];
  }
  Future<void> _loadLogs() async {
    Stream<QuerySnapshot> snapshots = Firestore.instance
        .collection(
            "/$biz_collection/${setting.okEnergyId}/$user_collection/${user.docID}/$log_collection")
        .orderBy("active_time", descending: true)
        .limit(30)
        .snapshots();

    snapshots.listen((snaps) async {
      logs = snaps.documents
          .map((documentSnapshot) =>
              Log.fromMap(documentSnapshot.data, documentSnapshot.documentID))
          .toList();
      notifyListeners();
    });
  }

  Future<void> loadDocLogs(String docID) async {
    Stream<QuerySnapshot> snapshots = Firestore.instance
        .collection("/$biz_collection/${setting.okEnergyId}/$log_collection")
        .where('doc_id', isEqualTo: docID)
        .orderBy('date', descending: true)
        .limit(30)
        .snapshots();

    snapshots.listen((snaps) async {
      docLogs.clear();
      docLogs = snaps.documents
          .map((documentSnapshot) => DocLog.fromMap(
              documentSnapshot.data, documentSnapshot.documentID))
          .toList();
      notifyListeners();
    });
  }
}