import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:ganeca_digital_mobile/config/config_app.dart';
import 'package:ganeca_digital_mobile/models/book.dart';
import 'package:ganeca_digital_mobile/models/bookDetailResponse.dart';
import 'package:ganeca_digital_mobile/models/bookPagingResponse.dart';
import 'package:ganeca_digital_mobile/models/bookResponse.dart';
import 'package:ganeca_digital_mobile/models/category.dart';
import 'package:ganeca_digital_mobile/models/categoryDetailResponse.dart';
import 'package:ganeca_digital_mobile/models/categoryResponse.dart';
import 'package:ganeca_digital_mobile/models/member.dart';
import 'package:ganeca_digital_mobile/models/memberResponse.dart';
import 'package:ganeca_digital_mobile/models/promo.dart';
import 'package:ganeca_digital_mobile/models/promoResponse.dart';
import 'package:ganeca_digital_mobile/service/rest_api.dart';
import 'package:ganeca_digital_mobile/service/view_state.dart';
import 'package:shared_preferences/shared_preferences.dart';

import '../locator.dart';
import 'base_view_model.dart';

class ListBookViewModel extends BaseViewModel {

  RestClient _api = locator<RestClient>();

  List<Book> bookData;

  String status;

  String errorMessage;

  List<Promo> promos;

  int currentPage = 1;

  Category category;
  List<Category> categories;

  Future main(Category category,{order = "most",price : "",startPrice:"",endPrice:""}) async {
    currentPage = 1;
    setState(ViewState.Busy);
    _api.fp = await SharedPreferences.getInstance();

    status = _api.fp.getString(ConfigApp.STATUS);
    if(category.id != "") {
      CategoryDetailResponse categoryResponse = await _api.getCategoryDetail(category.id);
      this.category = categoryResponse.data;
    }
    BookPagingResponse bookResponse;
    if(order=='most'){
      bookResponse = await _api.getBookMostReadPaging(category: category.id,order: order,price: price,page : currentPage,startPrice:startPrice,endPrice: endPrice);
    }else{
      bookResponse = await _api.getBookPaging(category: category.id,order: order,price: price,page : currentPage,startPrice:startPrice,endPrice: endPrice);
    }

    if(currentPage == bookResponse.last_page) {
      setLoadBookState(LoadBookState.Max);
    } else {
      currentPage++;
    }

    bookData = bookResponse.data;


    setState(ViewState.Idle);
  }

  Future<List<Book>> getNextPage(Category category,{order = null,price : "",startPrice:"",endPrice:""}) async {

    setLoadBookState(LoadBookState.Busy);
    BookPagingResponse bookResponse;
    if(order=='most'){
      bookResponse = await _api.getBookMostReadPaging(category: category.id,order: order,price: price,page : currentPage,startPrice:startPrice,endPrice: endPrice);
    }else{
      bookResponse = await _api.getBookPaging(category: category.id,order: order,price: price,page : currentPage,startPrice:startPrice,endPrice: endPrice);
    }


    if(currentPage == bookResponse.last_page) {
      setLoadBookState(LoadBookState.Idle);
      setLoadBookState(LoadBookState.Max);
    } else {
      setLoadBookState(LoadBookState.Idle);
      currentPage++;
    }


    return bookResponse.data;

  }

  Future mostRead(Category category,{order = null,price : '',library : '',search : "",startPrice:"",endPrice:""}) async {

    setState(ViewState.Busy);

    _api.fp = await SharedPreferences.getInstance();

    status = _api.fp.getString(ConfigApp.STATUS);

    if(category.id != "") {
      CategoryDetailResponse categoryResponse = await _api.getCategoryDetail(category.id);

      this.category = categoryResponse.data;
    }

    BookResponse bookResponse = await _api.getMostRead(limit: 12,category: category.id,order: order,price : price,library_id: library,search: search,startPrice: startPrice,endPrice: endPrice);

    bookData = bookResponse.data;



    setState(ViewState.Idle);
  }

  Future search({Category category : null,order : "",limit : "", search : ""}) async {

    setState(ViewState.Busy);

    _api.fp = await SharedPreferences.getInstance();

    status = _api.fp.getString(ConfigApp.STATUS);

    BookResponse bookResponse = await _api.getBook(limit: 12,category: category == null ? "" : category.id ,order: order,search: search);

    bookData = bookResponse.data;

    setState(ViewState.Idle);
  }

  Future globalSearch(String search) async {

    setState(ViewState.Busy);

    _api.fp = await SharedPreferences.getInstance();

    status = _api.fp.getString(ConfigApp.STATUS);

    BookPagingResponse bookResponse = await _api.getBookGlobalSearch(search: search,page : currentPage);

    if(currentPage == bookResponse.last_page) {
      setLoadBookState(LoadBookState.Idle);
      setLoadBookState(LoadBookState.Max);
    } else {
      setLoadBookState(LoadBookState.Idle);
      currentPage++;
    }

    bookData = bookResponse.data;

    setState(ViewState.Idle);
  }




  Future<List<Book>> getNextPageGlobalSearch(String search,{order = null,price : ""}) async {

    print(search);

    setLoadBookState(LoadBookState.Busy);

    BookPagingResponse bookResponse = await _api.getBookGlobalSearch(search: search,page : currentPage);

    if(currentPage == bookResponse.last_page) {
      setLoadBookState(LoadBookState.Idle);
      setLoadBookState(LoadBookState.Max);
    } else {
      setLoadBookState(LoadBookState.Idle);
      currentPage++;
    }

    return bookResponse.data;

  }



}