//
//  SlipUploadViewController.swift
//  GME Remit
//
//  Created by Yajan on 07/05/2022.
//  Copyright © 2022 Gobal Money Express Co. Ltd. All rights reserved.
//

import UIKit
import IQKeyboardManagerSwift
import PMAlertController
import RxSwift
import RxCocoa

class SlipUploadViewController: UIViewController {
    
    @IBOutlet weak var viewSampleBtn: UIButton!
    @IBOutlet weak var uploadText: UILabel!
    private let frontIDImageTrigger = BehaviorSubject<String?>(value: nil)
    private let frontImageBase64 = BehaviorSubject<String?>(value: nil)
    private var multiMediaManager: MultiMediaManager?
    private let disposeBag = DisposeBag()
    
    private var imageCropper: ImageCroper?
    
    @IBOutlet weak var saveBtn: UIButton!
    @IBOutlet weak var frontIdImageButton: UIButton!
    @IBOutlet weak var textField: IQTextView!
    @IBOutlet weak var amountField: ValidationTextField!
    @IBOutlet weak var frontIdView: UIView!
    
    var imgData: String?
    
    override func viewDidLoad() {
        super.viewDidLoad()
        setupUI()
        setup()
        self.setupUIBinding()
        saveBtn.setTitle("save_text".localized(), for: .normal)
        viewSampleBtn.setTitle("view_sample_text".localized(), for: .normal)
        // Do any additional setup after loading the view.
    }
    
    func setupUI() {
        self.validate()
        saveBtn.layer.cornerRadius = 6
        textField.layer.cornerRadius = 6
        textField.layer.borderWidth = 1
        textField.layer.borderColor = UIColor.themeSeparate.cgColor
        self.title = "deposit_slip_text".localized()
        textField.placeholder = "deposit_slip_remarks_text".localized()
        uploadText.text = "upload_deposit_slip_text".localized()
        amountField.placeholder = "amount_text".localized()
        
        frontIdView.layer.cornerRadius = 12
        frontIdView.layer.borderWidth = 1
        frontIdView.layer.borderColor = UIColor.themeSeparate.cgColor
    }
    
    func setup() {
        amountField.addTarget(self, action: #selector(textChange(_:)), for: .editingChanged)
        multiMediaManager = MultiMediaManager(presenter: self)
        multiMediaManager?.delegate = self
        
        imageCropper = ImageCroper(presentingViewController: self)
        imageCropper?.delegate = self
    }
    
    @objc func textChange(_ sender: ValidationTextField) {
        self.validate()
    }
    
    func validate() {
        if let img = self.imgData {
            self.saveBtn.isEnabled = self.amountField.text != ""
        } else {
            self.saveBtn.isEnabled = false
        }
    }
    
    
    @IBAction func saveAction(_ sender: Any) {
        self.showProgressHud()
        self.saveKycInfo(image: self.imgData,amount: self.amountField.text, success: {  msg in
            self.hideProgressHud()
            self.alertWithOk(type: .normal, message: msg, title: nil, okTitle: "OK", okAction: {
                self.navigationController?.popViewController(animated: true)
            })
        }, failure: { error in
            self.hideProgressHud()
            self.alert(message: error.localizedDescription)
        })
    }
    
    
    
    func setupUIBinding() {
        frontIdImageButton.rx.tap.bind {[weak self] in
            self?.multiMediaManager?.openPicker(mode: UIImagePickerController.CameraCaptureMode.photo)
//            self?.multiMediaManager?.openCameraPicker()
        }.disposed(by: disposeBag)
        
        frontIDImageTrigger
        .asDriverOnErrorJustComplete()
        .drive(onNext: {[weak self] in
            if let imageData = $0 {
                if let dataDecoded = Data(base64Encoded: imageData, options: .ignoreUnknownCharacters) {
                    DispatchQueue.main.async {
                        self?.imgData = imageData
                        self?.frontIdImageButton.setImage(UIImage(data: dataDecoded), for: .normal)
//                        self?.frontIdImageButton.addBlur()
                        self?.hideBorder(view: self?.frontIdView)
                        self?.validate()
                    }
                } else if let url = URL(string: imageData) {
                    DispatchQueue.main.async {
                        self?.showProgressHud()
                        self?.frontIdImageButton.kf.setImage(with: url, for: .normal) { result in
                            self?.hideProgressHud()
                            switch result {
                            case .success(let value):
                                self?.frontImageBase64.onNext(value.image.toBase64())
                            case .failure(let error):
                                print("Job failed: \(error.localizedDescription)")
                            }
                        }
//                        self?.frontIdImageButton.addBlur()
                        self?.hideBorder(view: self?.frontIdView)
                    }
                }
            } else {
                self?.frontImageBase64.onNext(nil)
                self?.frontIdImageButton.setImage(UIImage(named: "passport_new"), for: .normal)
            }
            
        }).disposed(by: disposeBag)
    }
    
    
    private func showSample() {
        let image = UIImage(named: "deposit_slip")
   
        let alertVC = PMAlertController(title: nil, description: nil, image: image, style: .walkthrough)
        alertVC.alertView.layer.cornerRadius = 5
        let action = PMAlertAction(title: "ok_text".localized(), style: .cancel)
        alertVC.addAction(action)
        alertVC.modalPresentationStyle = .overFullScreen
        self.present(alertVC, animated: true, completion: nil)
    }

    @IBAction func viewSampleAction(_ sender: Any) {
        self.showSample()
    }
    
    func saveKycInfo(image: String?, amount: String?,
        success: @escaping (String) -> Void,
        failure: @escaping (Error) -> Void
    ) {
  
        APIRouter.slipUpload(amount: amount ?? "", remarks: self.textField.text ?? "")
            .requestMultipart(
                images: getImageParams(model: image),
                needsAuthorization: true,
                success: { (response: KYCResponseContainer) in
               
                    if (response.errorCode ?? "") == "1" {
                        let error = NSError(
                            domain: "Network",
                            code: 0,
                            userInfo: [NSLocalizedDescriptionKey : response.message ?? ""]
                        )
                        failure(error)
                    } else {
                        guard let message = response.message else {
                            return
                        }
                        success(message)
                    }
            },
                failure: failure)
    }
    
    private func getCompressedImage(base64: String) -> Data? {
        guard let imageData = Data(base64Encoded: base64) else { return nil }
        return UIImage(data: imageData)?.jpegData(compressionQuality: 0.6)
    }
    
    private func getImageParams(model: String?) -> [String: Data] {
        var images: [String: Data] = [:]
        
        // frontIDPicture
        if let image = model {
            if let data = getCompressedImage(base64: image) {
                print("frontIdPic:\(data)")
                images["DepositSlip"] = data
            }
        }
   
        return images
    }
}

extension SlipUploadViewController: MultimediaPresenterProtocol {
    func presenting() -> UIViewController {
        return self
    }
}

// MARK: MultiMediaManagerDelegate
extension SlipUploadViewController: MultiMediaManagerDelegate {
    func didFinishPickingWithImage(image: UIImage) {
        
        frontIDImageTrigger.onNext(image.toBase64())
        //remove cropper as people are confused tkt #1040
//        self.imageCropper?.cropImage(image: image)
    }
    
    func didFinishPickingWithError(error: String) {
        self.alert(type: .error, message: error)
    }
    
    func hideBorder(view: UIView?) {
        view?.layer.borderWidth = 0
        view?.layer.addShadow(with: .clear)
    }
}

// MARK: ImageCropperDelegate
extension SlipUploadViewController: ImageCropperDelegate {
    func didCropWith(image: UIImage) {
        
            frontIDImageTrigger.onNext(image.toBase64())
    }
    
    func didFailedCropWith(error: Error) {
        self.alert(type: .error, message: error.localizedDescription)
    }
}