//
//  SplashScreenViewModel.swift
//  Learn Genie
//
//  Created by Suraj Kumar Mandal on 01/09/21.
//

import Foundation
import Alamofire
import SSZipArchive
import RealmSwift

class SplashScreenViewModel {
    
    var delegate : SplashScreenViewProtocol?
    
    func generateCookie() {
        if let delegate = delegate {
            let url = ApiUrl.BASE_URL + ApiUrl.API_AUTH
            let params: [String:Any]?
            params = [
                "username" : "admin",
                "password" : "mahindrapass123"
            ]
            print(params!)
            
            AF.request(url, method: HTTPMethod.post, parameters: params).responseData { (responseObject) -> Void in
                
                if let responseStatus = responseObject.response?.statusCode {
                    if responseStatus != 200 {
                        // error
                        print("error...")
                    } else {
                        // view all cookies
                        print(HTTPCookieStorage.shared.cookies!)
                        for cookie in HTTPCookieStorage.shared.cookies! {
                            print(cookie.value)
                            UserDefaultsConstant.setValueInUserDefaults(objValue: cookie.value, for: "cookieValue")
                            //self.getRole()
                            //delegate.groupLeave()
                            delegate.callDataAPI()
                        }
                    }
                }
            }
        }
    }
    
    func getRole() {
        if let delegate = delegate {
            DBManager.sharedInstance.deleteAllDatabase()
            let url = "\(ApiUrl.BASE_URL + ApiUrl.API_ROLE).json"
            let cookieValue = UserDefaultsConstant.getValueFromUserDefults(for: "cookieValue") ?? ""
            let headers: HTTPHeaders = [
                "Content-Type": "application/json",
                "Accept": "application/json",
                "Cookie": "\(Constant.CookieName) = \(cookieValue)"
            ]
            print(headers)
            
            AF.request(url, method: HTTPMethod.post, encoding: JSONEncoding.default, headers: headers).responseJSON { response in
                
                switch response.result {
                case .success(let value):
                    let roleData = value as! [NSDictionary]
                    for item in roleData {
                        let id = item.value(forKey: "id") as! NSNumber;
                        let name = item.value(forKey: "name") as? String ?? "";
                        let authority = item.value(forKey: "authority") as? String ?? "";
                        var roleModel = [RoleModel]()
                        let newRoleModel = RoleModel(id: Int(truncating: id), name: name, authority: authority)
                        roleModel.append(newRoleModel)
                        DBManager.sharedInstance.addData(objs: roleModel)
                    }
                    let realmEntries = DBManager.sharedInstance.database.objects(RoleModel.self)
                    print("role count")
                    print(realmEntries.count)
                    print(roleData.count)
                    // if both counts doesn't match
                    let db_count = realmEntries.count - roleData.count
                    if db_count > 0 {
                        let array = Array(1...db_count)
                        for value in array {
                            var roleModel = [RoleModel]()
                            let data = DBManager.sharedInstance.getObjects(type: RoleModel.self)? [realmEntries.count - value] as! RoleModel
                            roleModel.append(data)
                            DBManager.sharedInstance.deleteFromDb(object: roleModel)
                        }
                    }
                    //self.getLanguage()
                    delegate.groupLeave()
                    
                case .failure(let error):
                    print(error)
                }
            }
        }
    }
    
    func getLanguage() {
        if let delegate = delegate {
            let url = "\(ApiUrl.BASE_URL + ApiUrl.API_LANGUAGE).json"
            let cookieValue = UserDefaultsConstant.getValueFromUserDefults(for: "cookieValue") ?? ""
            let headers: HTTPHeaders = [
                "Content-Type": "application/json",
                "Accept": "application/json",
                "Cookie": "\(Constant.CookieName) = \(cookieValue)"
            ]
            print(headers)
            
            AF.request(url, method: HTTPMethod.post, encoding: JSONEncoding.default, headers: headers).responseJSON { response in
                
                switch response.result {
                case .success(let value):
                    
                    let languageArray = value as! [NSDictionary]
                    for item in languageArray {
                        
                        let id = item.value(forKey: "id") as! NSNumber;
                        let shortName = item.value(forKey: "shortName") as? String ?? "" ;
                        let dateCreated = item.value(forKey: "dateCreated") as? String ?? "" ;
                        let lastUpdated = item.value(forKey: "lastUpdated") as? String ?? "" ;
                        let name = item.value(forKey: "name") as? String ?? "" ;
                        
                        var languageModel = [LanguageModel]()
                        let newLanguageModel = LanguageModel(id: Int(truncating: id), shortName: shortName, dateCreated: dateCreated, lastUpdated: lastUpdated, name: name)
                        languageModel.append(newLanguageModel)
                        DBManager.sharedInstance.addData(objs: languageModel)
                    }
                    
                    let realmEntries = DBManager.sharedInstance.database.objects(LanguageModel.self)
                    
                    print("language count")
                    print(realmEntries.count)
                    print(languageArray.count)
                    
                    // if both counts doesn't match
                    
                    let db_count = realmEntries.count - languageArray.count
                    if db_count > 0 {
                        let array = Array(1...db_count)
                        for value in array {
                            var languageModel = [LanguageModel]()
                            let data = DBManager.sharedInstance.getObjects(type: LanguageModel.self)? [realmEntries.count - value] as! LanguageModel
                            languageModel.append(data)
                            DBManager.sharedInstance.deleteFromDb(object: languageModel)
                        }
                    }
                    //self.getTranslation(offset: 0)
                    delegate.groupLeave()
                    
                case .failure(let error):
                    print(error)
                }
            }
        }
    }
    
    func getTranslation(offset:Int) {
        if let delegate = delegate {
            let max = 10
            let url = "\(ApiUrl.BASE_URL + ApiUrl.API_TRANSLATION).json?max=\(max)&offset=\(offset)"
            let cookieValue = UserDefaultsConstant.getValueFromUserDefults(for: "cookieValue") ?? ""
            let headers: HTTPHeaders = [
                "Content-Type": "application/json",
                "Accept": "application/json",
                "Cookie": "\(Constant.CookieName) = \(cookieValue)"
            ]
            print(headers)
            //let params: [String:Any]?
            let params = [
                "max" : max,
                "offset" : offset
            ]
            print(params)
            
            AF.request(url, method: .get, encoding: URLEncoding.httpBody, headers: headers).responseJSON { response in
                
                switch response.result {
                case .success(let value):
                    
                    let translationArray = value as! [NSDictionary]
                    
                    if translationArray != [] {
                        print(translationArray)
                        
                        for item in translationArray {
                            
                            let id = item.value(forKey: "id") as! NSNumber;
                            let originalText = item.value(forKey: "originalText") as? String ?? "" ;
                            let language = item.value(forKey: "language") as? NSObject;
                            let languageId = language?.value(forKey: "id") as! NSNumber;
                            let translatedText = item.value(forKey: "translatedText") as? String ?? "" ;
                            
                            var translationModel = [TranslationModel]()
                            
                            let newtranslationModel = TranslationModel(id: Int(truncating: id), originalText: originalText, languageId: Int(truncating: languageId), translatedText: translatedText)
                            
                            translationModel.append(newtranslationModel)
                            
                            DBManager.sharedInstance.addData(objs: translationModel)
                        }
                        let realmEntries = DBManager.sharedInstance.database.objects(TranslationModel.self)
                        
                        print("translation count")
                        print(realmEntries.count)
                        self.getTranslation(offset: offset + max)
                    } else {
                        //Next API call
                        //self.getState(offset: 0)
                        delegate.groupLeave()
                    }
                    
                case .failure(let error):
                    print(error)
                }
            }
        }
    }
    
    func getState(offset:Int) {
        if let delegate = delegate {
            let max = 10
            let url = "\(ApiUrl.BASE_URL + ApiUrl.API_STATE).json?max=\(max)&offset=\(offset)"
            let cookieValue = UserDefaultsConstant.getValueFromUserDefults(for: "cookieValue") ?? ""
            let headers: HTTPHeaders = [
                "Content-Type": "application/json",
                "Accept": "application/json",
                "Cookie": "\(Constant.CookieName) = \(cookieValue)"
            ]
            print(headers)
            print(url)
            
            AF.request(url, method: .get, encoding: URLEncoding.httpBody, headers: headers).responseJSON { response in
                
                switch response.result {
                case .success(let value):
                    
                    let translationArray = value as! [NSDictionary]
                    
                    if translationArray != [] {
                        print(translationArray)
                        
                        for item in translationArray {
                            
                            let id = item.value(forKey: "id") as! NSNumber;
                            let stateName = item.value(forKey: "stateName") as? String ?? "" ;
                            let stateNameHindi = item.value(forKey: "stateNameHindi") as? String ?? "" ;
                            
                            var stateModel = [StateModel]()
                            
                            let newStateModel = StateModel(id: Int(truncating: id), stateName: stateName, stateNameHindi: stateNameHindi)
                            
                            stateModel.append(newStateModel)
                            
                            DBManager.sharedInstance.addData(objs: stateModel)
                        }
                        let realmEntries = DBManager.sharedInstance.database.objects(StateModel.self)
                        
                        print("state count")
                        print(realmEntries.count)
                        self.getState(offset: offset + max)
                    } else {
                        //Next API call
                        //self.getDistrict(offset: 0)
                        delegate.groupLeave()
                    }
                    
                case .failure(let error):
                    print(error)
                }
            }
        }
    }
    
    func getDistrict(offset:Int) {
        if let delegate = delegate {
            let max = 10
            let url = "\(ApiUrl.BASE_URL + ApiUrl.API_DISTRICT).json?max=\(max)&offset=\(offset)"
            let cookieValue = UserDefaultsConstant.getValueFromUserDefults(for: "cookieValue") ?? ""
            let headers: HTTPHeaders = [
                "Content-Type": "application/json",
                "Accept": "application/json",
                "Cookie": "\(Constant.CookieName) = \(cookieValue)"
            ]
            print(headers)
            print(url)
            
            AF.request(url, method: .get, encoding: URLEncoding.httpBody, headers: headers).responseJSON { response in
                
                switch response.result {
                case .success(let value):
                    
                    let translationArray = value as! [NSDictionary]
                    
                    if translationArray != [] {
                        print(translationArray)
                        
                        for item in translationArray {
                            
                            let id = item.value(forKey: "id") as! NSNumber;
                            let districtName = item.value(forKey: "districtName") as? String ?? "" ;
                            let state = item.value(forKey: "state") as? NSObject;
                            let stateId = state?.value(forKey: "id") as! NSNumber;
                            let districtNameHindi = item.value(forKey: "districtNameHindi") as? String ?? "" ;
                            
                            var districtModel = [DistrictModel]()
                            
                            let newDistrictModel = DistrictModel(id: Int(truncating: id), districtName: districtName, stateId: Int(truncating: stateId), districtNameHindi: districtNameHindi)
                            
                            districtModel.append(newDistrictModel)
                            
                            DBManager.sharedInstance.addData(objs: districtModel)
                        }
                        let realmEntries = DBManager.sharedInstance.database.objects(DistrictModel.self)
                        
                        print("district count")
                        print(realmEntries.count)
                        self.getDistrict(offset: offset + max)
                    } else {
                        //Next API call
                        //self.getTopic(offset: 0)
                        delegate.groupLeave()
                    }
                    
                case .failure(let error):
                    print(error)
                }
            }
        }
    }
    
    func getTopic(offset:Int) {
        if let delegate = delegate {
            let max = 10
            let url = "\(ApiUrl.BASE_URL + ApiUrl.API_TOPIC).json?max=\(max)&offset=\(offset)"
            let cookieValue = UserDefaultsConstant.getValueFromUserDefults(for: "cookieValue") ?? ""
            let headers: HTTPHeaders = [
                "Content-Type": "application/json",
                "Accept": "application/json",
                "Cookie": "\(Constant.CookieName) = \(cookieValue)"
            ]
            print(headers)
            print(url)
            
            AF.request(url, method: .get, encoding: URLEncoding.httpBody, headers: headers).responseJSON { response in
                
                switch response.result {
                case .success(let value):
                    
                    let topicArray = value as! [NSDictionary]
                    
                    if topicArray != [] {
                        print(topicArray)
                        
                        for item in topicArray {
                            
                            let id = item.value(forKey: "id") as! NSNumber;
                            let level = item.value(forKey: "level") as? NSObject;
                            let levelId = level?.value(forKey: "id") as! NSNumber;
                            let noOfQuizQuestions = item.value(forKey: "noOfQuizQuestions") as! NSNumber;
                            let video = item.value(forKey: "video") as? String ?? "" ;
                            let dateCreated = item.value(forKey: "dateCreated") as? String ?? "" ;
                            let lastUpdated = item.value(forKey: "lastUpdated") as? String ?? "" ;
                            let name = item.value(forKey: "name") as? String ?? "" ;
                            let questionBank = item.value(forKey: "questionBank") as? NSObject;
                            let questionBankId = questionBank?.value(forKey: "id") as! NSNumber;
                            let content = item.value(forKey: "content") as? String ?? "" ;
                            let language = item.value(forKey: "language") as? NSObject;
                            let languageId = language?.value(forKey: "id") as! NSNumber;
                            
                            var topicModel = [TopicModel]()
                            
                            let newtopicModel = TopicModel(id: Int(truncating: id), levelId: Int(truncating: levelId), noOfQuizQuestions: Int(truncating: noOfQuizQuestions), video: video, dateCreated: dateCreated, lastUpdated: lastUpdated, name: name, questionBankId: Int(truncating: questionBankId), content: content, languageId: Int(truncating: languageId))
                            
                            topicModel.append(newtopicModel)
                            
                            DBManager.sharedInstance.addData(objs: topicModel)
                            //self.topicDownloader(id: Int(truncating: id))
                        }
                        let realmEntries = DBManager.sharedInstance.database.objects(TopicModel.self)
                        
                        print("topic count")
                        print(realmEntries.count)
                        self.getTopic(offset: offset + max)
                    } else {
                        //Next API call
//                        delegate.stopActivityIndicator()
//                        delegate.navigation()
//                        print("All api call done!")
                        delegate.groupLeave()
                    }
                    
                case .failure(let error):
                    print(error)
                }
            }
        }
    }
    
//    func getUserDetails() {
//        switch UserDefaultsConstant.getValueFromUserDefults(for: Constant.signInMethod) as! String {
//        case "google":
//            let url = "\(ApiUrl.BASE_URL + ApiUrl.API_SEARCH_STUDENT)?email=\(emailId)"
//            print(url)
//            let cookieValue = UserDefaultsConstant.getValueFromUserDefults(for: "cookieValue") ?? ""
//            let headers: HTTPHeaders = [
//                "Content-Type": "application/json",
//                "Accept": "application/json",
//                "Cookie": "\(Constant.CookieName) = \(cookieValue)"
//            ]
//            print(headers)
//
//            AF.request(url, method: .get, encoding: URLEncoding.httpBody, headers: headers).responseJSON { [self] response in
//                switch response.result {
//                case .success(let value):
//                    let data = value as! NSDictionary
//                    print(data)
//                    let id = data.value(forKey: "id") as? Int ?? 0;
//                    if id != 0 {
//                        let userData = value as! NSDictionary
//
//                        let accountExpired = userData.value(forKey: "accountExpired") as! NSNumber;
//                        let accountLocked = userData.value(forKey: "accountLocked") as! NSNumber;
//                        let dateCreated = userData.value(forKey: "dateCreated") as? String ?? "";
//                        let dateOfBirth = userData.value(forKey: "dateOfBirth") as? String ?? "";
//                        let district = userData.value(forKey: "district") as? NSObject;
//                        let districtId = district?.value(forKey: "id") as! NSNumber;
//                        let email = userData.value(forKey: "email") as? String ?? "";
//                        let enabled = userData.value(forKey: "enabled") as! NSNumber;
//                        let gender = userData.value(forKey: "gender") as? String ?? "";
//                        let id = userData.value(forKey: "id") as! NSNumber;
//                        let level = userData.value(forKey: "level") as? NSObject;
//                        let levelId = level?.value(forKey: "id") as! NSNumber;
//                        let mobile = userData.value(forKey: "mobile") as? String ?? "";
//                        let name = userData.value(forKey: "name") as? String ?? "";
//                        let password = userData.value(forKey: "password") as? String ?? "";
//                        let passwordExpired = userData.value(forKey: "passwordExpired") as! NSNumber;
//                        let role = userData.value(forKey: "role") as? NSObject;
//                        let roleId = role?.value(forKey: "id") as! NSNumber;
//                        let state = userData.value(forKey: "state") as? NSObject;
//                        let stateId = state?.value(forKey: "id") as! NSNumber;
//                        let topic = userData.value(forKey: "topic") as? NSObject;
//                        let topicId = topic?.value(forKey: "id") as! NSNumber;
//                        let username = userData.value(forKey: "username") as? String ?? "";
//
//                        var userModel = [UserDetailsModel]()
//                        let newUserModel = UserDetailsModel(accountExpired: Int(truncating: accountExpired), accountLocked: Int(truncating: accountLocked), dateCreated: dateCreated, dateOfBirth: dateOfBirth, districtId: Int(truncating: districtId), email: email, enabled: Int(truncating: enabled), gender: gender, id: Int(truncating: id), levelId: Int(truncating: levelId), mobile: mobile, name: name, password: password, passwordExpired: Int(truncating: passwordExpired), roleId: Int(truncating: roleId), stateId: Int(truncating: stateId), topicId: Int(truncating: topicId), username: username, appleIdentifier: UserDefaults.standard.string(forKey: Constant.userIdentifier) ?? "")
//                        userModel.append(newUserModel)
//                        DBManager.sharedInstance.addData(objs: userModel)
//                        let userModelDB = DBManager.sharedInstance.database.objects(UserDetailsModel.self)
//                        print("user count")
//                        print(userModelDB.count)
//
//                        UserDefaultsConstant.setIntValueInUserDefaults(objValue: Int(truncating: id), for: Constant.studentId)
//                        delegate?.groupLeave()
//                    }
//                case .failure(let error):
//                    print(error)
//                }
//            }
//        case "apple":
//            let userIdentifier = UserDefaultsConstant.getValueFromUserDefults(for: Constant.userIdentifier) ?? ""
//            let url = "\(ApiUrl.BASE_URL + ApiUrl.API_SEARCH_APPLE_USERIDENTIFIER)?appleUserIdentifier=\(userIdentifier)"
//            print(url)
//            let cookieValue = UserDefaultsConstant.getValueFromUserDefults(for: "cookieValue") ?? ""
//            let headers: HTTPHeaders = [
//                "Content-Type": "application/json",
//                "Accept": "application/json",
//                "Cookie": "\(Constant.CookieName) = \(cookieValue)"
//            ]
//            print(headers)
//
//            AF.request(url, method: .get, encoding: URLEncoding.httpBody, headers: headers).responseJSON { [self] response in
//                switch response.result {
//                case .success(let value):
//                    let data = value as! NSDictionary
//                    print(data)
//                    let id = data.value(forKey: "id") as? Int ?? 0;
//                    if id != 0 {
//                        let userData = value as! NSDictionary
//
//                        let accountExpired = userData.value(forKey: "accountExpired") as! NSNumber;
//                        let accountLocked = userData.value(forKey: "accountLocked") as! NSNumber;
//                        let dateCreated = userData.value(forKey: "dateCreated") as? String ?? "";
//                        let dateOfBirth = userData.value(forKey: "dateOfBirth") as? String ?? "";
//                        let district = userData.value(forKey: "district") as? NSObject;
//                        let districtId = district?.value(forKey: "id") as! NSNumber;
//                        let email = userData.value(forKey: "email") as? String ?? "";
//                        let enabled = userData.value(forKey: "enabled") as! NSNumber;
//                        let gender = userData.value(forKey: "gender") as? String ?? "";
//                        let id = userData.value(forKey: "id") as! NSNumber;
//                        let level = userData.value(forKey: "level") as? NSObject;
//                        let levelId = level?.value(forKey: "id") as! NSNumber;
//                        let mobile = userData.value(forKey: "mobile") as? String ?? "";
//                        let name = userData.value(forKey: "name") as? String ?? "";
//                        let password = userData.value(forKey: "password") as? String ?? "";
//                        let passwordExpired = userData.value(forKey: "passwordExpired") as! NSNumber;
//                        let role = userData.value(forKey: "role") as? NSObject;
//                        let roleId = role?.value(forKey: "id") as! NSNumber;
//                        let state = userData.value(forKey: "state") as? NSObject;
//                        let stateId = state?.value(forKey: "id") as! NSNumber;
//                        let topic = userData.value(forKey: "topic") as? NSObject;
//                        let topicId = topic?.value(forKey: "id") as! NSNumber;
//                        let username = userData.value(forKey: "username") as? String ?? "";
//                        let appleUserIdentifier = userData.value(forKey: "appleUserIdentifier") as? String ?? "";
//
//                        var userModel = [UserDetailsModel]()
//                        let newUserModel = UserDetailsModel(accountExpired: Int(truncating: accountExpired), accountLocked: Int(truncating: accountLocked), dateCreated: dateCreated, dateOfBirth: dateOfBirth, districtId: Int(truncating: districtId), email: email, enabled: Int(truncating: enabled), gender: gender, id: Int(truncating: id), levelId: Int(truncating: levelId), mobile: mobile, name: name, password: password, passwordExpired: Int(truncating: passwordExpired), roleId: Int(truncating: roleId), stateId: Int(truncating: stateId), topicId: Int(truncating: topicId), username: username, appleIdentifier: appleUserIdentifier)
//                        userModel.append(newUserModel)
//                        DBManager.sharedInstance.addData(objs: userModel)
//                        let userModelDB = DBManager.sharedInstance.database.objects(UserDetailsModel.self)
//                        print("user count")
//                        print(userModelDB.count)
//
//                        UserDefaultsConstant.setIntValueInUserDefaults(objValue: Int(truncating: id), for: Constant.studentId)
//                        //Navigate to Home
//                        DispatchQueue.main.async {
//                            let loaderVC = self.storyboard?.instantiateViewController(withIdentifier:"LoadingAnimationViewController" ) as! LoadingAnimationViewController
//                            self.navigationController?.pushViewController(loaderVC, animated: true)
//                        }
//                    }
//                case .failure(let error):
//                    print(error)
//                }
//            }
//        default:
//            <#code#>
//        }
//    }
    
}

protocol SplashScreenViewProtocol {
    func callDataAPI()
    func groupLeave()
    func stopActivityIndicator()
    func showToastMessage(message:String)
    func navigation()
}