//
//  FaqPresenter.swift
//  Sirani
//
//  Created by Anhar Solehudin on 24/03/19.
//  Copyright © 2019 Anhar Solehudin. All rights reserved.
//

import Foundation
import SwiftyJSON

class FaqPresenter {
    
    private let siraniApiServices: SiraniApiServices
    weak private var view: FaqViewDelegate?
    
    init(siraniApiServices: SiraniApiServices) {
        self.siraniApiServices = siraniApiServices
    }
    
    func attachView(view: FaqViewDelegate?) {
        self.view = view
    }
    
    func detachView() {
        self.view = nil
    }
    
    // FAQ CATEGORY
    func loadDataCategory(){
        self.view?.showLoading()
        
        var dataList = [FaqCategory]()
        siraniApiServices.postToGetFaqCategory().responseJSON { response in
            if response.error == nil {
                guard let data = response.data else { return }
                if let json = try? JSON(data: data) {
                    if let data = json["data"].array {
                        if data.count > 0 {
                            for item in data {
                                let faqCategory = FaqCategory(
                                    faq_cat_id: item["faq_cat_id"].intValue,
                                    faq_cat_name: item["faq_cat_name"].stringValue,
                                    faq_cat_label: item["faq_cat_label"].stringValue,
                                    selected: false
                                )
                                dataList.append(faqCategory)
                            }
                            self.setCategoryDataList(faqCategoryList: dataList)
                        } else {
                            self.showEmptyCategpry()
                        }
                    } else {
                        self.showEmptyCategpry()
                    }
                } else {
                    self.showEmptyCategpry()
                }
            } else {
                self.showEmptyCategpry()
            }
        }
    }
    
    private func setCategoryDataList(faqCategoryList: [FaqCategory]) {
        self.view?.setFaqCategoryList(faqCategoryList: faqCategoryList)
        DispatchQueue.main.asyncAfter(deadline: .now() + 0.6) {
            self.view?.hideLoading()
        }
    }
    
    private func showEmptyCategpry() {
        DispatchQueue.main.asyncAfter(deadline: .now() + 1.0) {
            self.view?.setFaqCategoryList(faqCategoryList: [])
            self.view?.hideLoading()
        }
    }
    
    // FAQ CONTENT
    func loadDataContent(faq_cat_id :Int){
        self.view?.showLoading()
        
        var dataList = [FaqContent]()
        siraniApiServices.postToGetFaqContent(faq_cat_id: faq_cat_id).responseJSON { response in
            if response.error == nil {
                guard let data = response.data else { return }
                if let json = try? JSON(data: data) {
                    if let data = json["data"].array {
                        if data.count > 0 {
                            for item in data {
                                let faqContent = FaqContent(
                                    faq_essay_id: item["faq_essay_id"].intValue,
                                    faq_cat_id: item["faq_cat_id"].intValue,
                                    faq_essay_question: item["faq_essay_question"].stringValue,
                                    faq_essay_answer: item["faq_essay_answer"].stringValue
                                )
                                dataList.append(faqContent)
                            }
                            self.setContentDataList(faqContentList: dataList)
                        } else {
                            self.showEmptyContent()
                        }
                    } else {
                        self.showEmptyContent()
                    }
                } else {
                    self.showEmptyContent()
                }
            } else {
                self.showEmptyContent()
            }
        }
        
        
    }
    
    private func setContentDataList(faqContentList: [FaqContent]) {
        self.view?.setFaqContentList(faqContentList: faqContentList)
        DispatchQueue.main.asyncAfter(deadline: .now() + 0.6) {
            self.view?.hideLoading()
        }
    }
    
    private func showEmptyContent() {
        DispatchQueue.main.asyncAfter(deadline: .now() + 1.0) {
            self.view?.setFaqContentList(faqContentList: [])
            self.view?.hideLoading()
        }
    }
    
}