//
//  PORecurringDepositViewModel.swift
//  Product Calculator
//
//  Created by Suraj Kumar Mandal on 03/12/21.
//

import Foundation
import Alamofire

class PORecurringDepositViewModel {
    
    var delegate: PORecurringDepositViewProtocol?
    
    var poRecurringModel = [PORecurringDepositModel]()
    
    //POST PO recurring deposit Interest API
    func getInterestRate(depositDate:String) {
        if let delegate = delegate {
            delegate.startLoader()
            let url = ApiUrl.BASE_URL + ApiUrl.GET_PO_RECURRING_DEPOSIT_INTEREST
           
            let parameters: [String: String] = [
                "depositDate": depositDate
            ]
            print(parameters)
            
            AF.request(url, method: .post, parameters: parameters, encoding: JSONEncoding.default).responseJSON { response in
                
                switch response.result {
                case .success(let value):
                    delegate.stopLoader()
                    print(value)
                    let data = value as! NSDictionary
                    print(data)
                    DispatchQueue.main.async {
                        let interestRate = data["interestRate"] as! Double
                        
                        delegate.setInterestRate(rate: String(interestRate))
                    }
                    
                case .failure(let error):
                    delegate.stopLoader()
                    print(error)
                    //delegate.showError(error: error)
                }
            }
        }
    }
    
    //POST PO recurring deposit API
    func getPoRecurringOutput(depositAmount:String, yearsDays:String, rdDepositFreq:String, compundingFreq:String, depositDate:String) {
        if let delegate = delegate {
            delegate.startLoader()
            let url = ApiUrl.BASE_URL + ApiUrl.GET_PO_RECURRING_DEPOSIT
            
            var interest = String()
            switch compundingFreq {
            case "Monthly":
                interest = "12"
            case "Bi-Monthly":
                interest = "6"
            case "Quarterly":
                interest = "4"
            case "Triannually":
                interest = "3"
            case "Half Yearly":
                interest = "2"
            case "Annually":
                interest = "1"
            default:
                interest = ""
            }
            
            var depositFrequency = String()
            switch rdDepositFreq {
            case "Monthly":
                depositFrequency = "12"
            case "Bi-Monthly":
                depositFrequency = "6"
            case "Quarterly":
                depositFrequency = "4"
            case "Triannually":
                depositFrequency = "3"
            case "Half Yearly":
                depositFrequency = "2"
            case "Annually":
                depositFrequency = "1"
            default:
                depositFrequency = ""
            }
                        
            let parameters: [String: String] = [
                "deposit": depositAmount,
                "yearsDays": yearsDays,
                "rdDepositFreq": depositFrequency,
                "compundingFreq": interest,
                "depositDate": depositDate
            ]
            print(parameters)
            
            AF.request(url, method: .post, parameters: parameters, encoding: JSONEncoding.default).responseJSON { response in
                
                switch response.result {
                case .success(let value):
                    delegate.stopLoader()
                    print(value)
                    let data = value as! NSDictionary
                    print(data)
                    DispatchQueue.main.async {
                        let depositAmount = data["depositAmount"] as! Double
                        let amountDepositFreq = data["amountDepositFreq"] as! Int
                        let annualInterest = data["annualInterest"] as! Double
                        let term = data["term"] as! Int
                        let compundFreq = data["compundFreq"] as! Double
                        let depositDate = data["depositDate"] as? String
                        let totalAmountDeposited = data["totalAmountDeposited"] as! Double
                        let maturityAmount = data["maturityAmount"] as! Double
                        let totalInterestReceived = data["totalInterestReceived"] as! Double
                        let maturityDate = data["maturityDate"] as! String
                        let maturityDisplayDate = data["maturityDisplayDate"] as? String
                        let interestRate = data["interestRate"] as! Double
                        
                        let poRecurringLookupList = data["poRecurringLookupList"] as! [NSDictionary]
                        
                        let poRecurringData = PORecurringDepositModel(depositDate: depositDate ?? "", maturityDate: maturityDate, amountDepositFreq: amountDepositFreq, term: term, depositAmount: depositAmount, annualInterest: annualInterest, compundFreq: compundFreq, totalAmountDeposited: totalAmountDeposited, maturityAmount: maturityAmount, totalInterestReceived: totalInterestReceived, interestRate: interestRate)
                        
                        for list in poRecurringLookupList {
                            let serialNo = list.value(forKey: "serialNo") as! NSNumber
                            let referenceDate = list.value(forKey: "referenceDate") as! String
                            let referenceMonth = list.value(forKey: "referenceMonth") as! String
                            let financialYear = list.value(forKey: "financialYear") as! String
                            let openingBal = list.value(forKey: "openingBal") as! Double
                            let amountDeposited = list.value(forKey: "amountDeposited") as! Double
                            let interestAccrued = list.value(forKey: "interestAccrued") as! Double
                            let interestCredited = list.value(forKey: "interestCredited") as! Double
                            let totalInterestAccrued = list.value(forKey: "totalInterestAccrued") as! Double
                            let closingBalance = list.value(forKey: "closingBalance") as! Double
                            let daysToMaturity = list.value(forKey: "daysToMaturity") as! NSNumber
                                                        
                            let list = PORecurringLookupList(serialNo: Int(truncating: serialNo), daysToMaturity: Int(truncating: daysToMaturity), referenceDate: referenceDate, referenceMonth: referenceMonth, financialYear: financialYear, openingBal: openingBal, amountDeposited: amountDeposited, interestAccrued: interestAccrued, interestCredited: interestCredited, totalInterestAccrued: totalInterestAccrued, closingBalance: closingBalance)
                            
                            poRecurringData.poRecurringLookupList.append(list)
                        }
                        self.poRecurringModel.append(poRecurringData)
                        delegate.navigate(poRecurringData)
                    }
                    
                case .failure(let error):
                    delegate.stopLoader()
                    print(error)
                    //delegate.showError(error: error)
                }
            }
        }
    }
    
}

protocol PORecurringDepositViewProtocol {
    func startLoader()
    func stopLoader()
    func showError(error:String)
    func setInterestRate(rate:String)
    func navigate(_ data:PORecurringDepositModel)
}