//
//  OZSDK.swift
//  OZLiveness
//
//  Created by Igor Ovchinnikov on 29/07/2019.
//  Copyright © 2019 Igor Ovchinnikov. All rights reserved.
//

import Foundation
import UIKit

@available(iOS 11.0, *)
private let ovalCustomization: OZOvalCustomization = OZOvalCustomization(strokeWidth: 4.0,
                                                                         successStrokeColor: UIColor.green,
                                                                         failStrokeColor: UIColor.red)

@available(iOS 11.0, *)
private let frameCustomization: OZFrameCustomization = OZFrameCustomization(backgroundColor: UIColor.white.withAlphaComponent(0.5))


@available(iOS 11.0, *)
struct SDK: OZSDKProtocol {
    
    static var _journalObserver = { (value : String) -> () in }
    
    private init() { }
    
    init(journalObserver: @escaping ((String) -> Void) = { (value : String) -> () in }) {
        self.init()
        SDK._journalObserver = journalObserver
        OZJournal.sharedInstance.addEntry(event: .livenessSessionInitialization)
    }
    
    var journalObserver: ((String) -> Void) {
        set { SDK._journalObserver = newValue }
        get { return SDK._journalObserver }
    }
    
    var localizationCode: OZLocalizationCode? 
    
    var authToken: String?
    
    var host: String = "https://api.oz-services.ru"
    
    var customization = OZCustomization(textColor: UIColor.white,
                                        buttonColor: UIColor.white,
                                        ovalCustomization: ovalCustomization)
    
    /** Версия SDK. */
     var version : String {
         get { return "1.1.8" }
     }
    
    
    var attemptSettings: OZAttemptSettings = OZAttemptSettings()
    
    var thresholdSettings = OZLivenessThresholdSettings(centerError: 0.08,
                                                        heightError: 0.10,
                                                        smilingProbability: 0.4,
                                                        eyesOpenProbability: 0.1,
                                                        headEulerAngleYAbs: 15,
                                                        startSmilingProbability: 0.2,
                                                        startEyesOpenProbability: 0.25,
                                                        centerEulerAngleY: 15,
                                                        downFaceProbability: 0.2,
                                                        highFaceProbability: 0.3)
    
    
    /** Метод создания контроллера для проведения liveness-проверки. */
    func createVerificationVCWithDelegate(_ delegate: OZVerificationDelegate, actions: [OZVerificationMovement]) -> UIViewController {
        let vc = OZLivenessViewController()
        vc.delegate = delegate
        vc.actions = actions
        return vc
    }
    
    func createTestVerificationVC() -> UIViewController {
        return OZTestLivenessViewController()
    }
    
    /** Авторизация по логину и паролю. */
    
    func login(_ login: String, password: String, completion: @escaping (_ token : String?, _ error: Error?) -> Void) {
        OZRequestManager.login(login, password: password, completion: completion)
    }
    
    /** Загрузка и анализ видео. */
    
    func analyse(results: [OZVerificationResult],
                 analyseStates: Set<OZAnalysesState>,
                 fileUploadProgress: @escaping ((Progress) -> Void),
                 completion: @escaping ( _ resolution : AnalyseResolutionStatus?, _ error: Error?) -> Void) {
        OZRequestManager.analyse(results: results,
                                 analyseStates: analyseStates,
                                 fileUploadProgress: fileUploadProgress,
                                 completion: completion)
    }
    
    func analyse(folderId: String,
                 results: [OZVerificationResult],
                 analyseStates: Set<OZAnalysesState>,
                 fileUploadProgress: @escaping ((Progress) -> Void),
                 completion: @escaping ( _ resolution : AnalyseResolutionStatus?, _ error: Error?) -> Void) {
        OZRequestManager.analyse(folderId: folderId,
                                 results: results,
                                 analyseStates: analyseStates,
                                 fileUploadProgress: fileUploadProgress,
                                 completion: completion)
    }
    
    func addToFolder(results: [OZVerificationResult],
                     analyseStates: Set<OZAnalysesState>,
                     fileUploadProgress: @escaping ((Progress) -> Void),
                     completion: @escaping (_ folderId : String?, _ error: Error?) -> Void) {
        OZRequestManager.addToFolder(results: results,
                                     analyseStates: analyseStates,
                                     fileUploadProgress: fileUploadProgress,
                                     completion: completion)
    }
    
    func addToFolder(folderId: String,
                     results: [OZVerificationResult],
                     analyseStates: Set<OZAnalysesState>,
                     fileUploadProgress: @escaping ((Progress) -> Void),
                     completion: @escaping (_ folderId : String?, _ error: Error?) -> Void) {
        OZRequestManager.addToFolder(folderId: folderId,
                                     results: results,
                                     analyseStates: analyseStates,
                                     fileUploadProgress: fileUploadProgress,
                                     completion: completion)
    }
    
    /** Удаление видео из дирректории. */
    func cleanTempDirectory() {
        OZFileVideoManager.cleanTempDirectory()
    }
    
    // MARK: - Regula extension
    
    func documentAnalyse(documentPhoto: DocumentPhoto,
                         results: [OZVerificationResult],
                         analyseStates: Set<OZAnalysesState>,
                         scenarioState: @escaping ((_ state: ScenarioState) -> Void),
                         fileUploadProgress: @escaping ((Progress) -> Void),
                         completion: @escaping (_ folderResolutionStatus: AnalyseResolutionStatus?, _ resolutions : [AnalyseResolution]?, _ error: Error?) -> Void) {
        OZRequestManager.analyse(frontDocumentPhoto: documentPhoto.front,
                                 backDocumentPhoto: documentPhoto.back,
                                 results: results,
                                 analyseStates: analyseStates,
                                 scenarioState: scenarioState,
                                 fileUploadProgress: fileUploadProgress,
                                 completion: completion)
    }
}