//
//  Settings.swift
//  Befund
//
//  Created by Irakli Abetschkhrischwili on 29.05.22.
//  Copyright © 2022 MVZ Dr. Stein und Kollegen. All rights reserved.

import Foundation

extension Core.Models
{
    public class Settings
    {
        public static var policyAgbExplainedKey: String = "policy_accepted_1_2_3"
        public var public_key: String? = nil
        public var hashed_private_key: String? = nil
        public var verificator_hash: String? = nil
        public var password_hash: String? = nil
        public var password_reset_hash: String? = nil
        public var zip: String? = nil
        public var birthday: String? = nil
        public var udid: String? = nil
        public var lang: Core.Lang.Languages = Core.Lang.Languages.DE
        public var labor: Core.Models.Labor? = nil
        public var pushNotificationExplained: Bool = false
        public var pushNotificationAccepted: Bool = false
        public var policyAGBExplained: Bool = false

        /**
         * Loads settings from the file
         */
        public static func loadFromFile(atPath: String) -> Core.Models.Settings?
        {
            var result: Core.Models.Settings? = nil
            
            if(Core.System.FileExists(atPath: atPath))
            {
                let dic = NSMutableDictionary(contentsOfFile: atPath)
                
                if(dic != nil)
                {
                    result = Core.Models.Settings()
                    
                    let public_key = dic!.value(forKey: "public_key")
                    
                    if(public_key != nil)
                    {
                        result!.public_key = public_key as? String
                    }
                    
                    let hashed_private_key = dic!.value(forKey: "hashed_private_key")
                    
                    if(hashed_private_key != nil)
                    {
                        result!.hashed_private_key = hashed_private_key as? String
                    }
                    
                    let verificator_hash = dic!.value(forKey: "verificator_hash")
                    
                    if(verificator_hash != nil)
                    {
                        result!.verificator_hash = verificator_hash as? String
                    }

                    let password_hash = dic!.value(forKey: "password_hash")
                    
                    if(password_hash != nil)
                    {
                        result!.password_hash = password_hash as? String
                    }

                    let password_reset_hash = dic!.value(forKey: "password_reset_hash")
                    
                    if(password_reset_hash != nil)
                    {
                        result!.password_reset_hash = password_reset_hash as? String
                    }

                    
                    let zip = dic!.value(forKey: "zip")
                    
                    if(zip != nil)
                    {
                        result!.zip = zip as? String
                    }
                    
                    let birthday = dic!.value(forKey: "birthday")
                    
                    if(birthday != nil)
                    {
                        result!.birthday = birthday as? String
                    }
                    
                    let udid = dic!.value(forKey: "udid")
                    
                    if(udid != nil)
                    {
                        result!.udid = udid as? String
                    }

                    let lang = dic!.value(forKey: "lang") as? String
                    switch(lang)
                    {
                            case "EN":
                                result!.lang = Core.Lang.Languages.EN
                                break;
                            default:
                                result!.lang = Core.Lang.Languages.DE
                            break;

                    }
                    
                    let labor_id = dic!.value(forKey: "labor")
                    if(labor_id != nil)
                    {
                        result!.labor = Core.Models.Labor.GetLaborByName(id: (labor_id as? String)!)
                    }
                    else
                    {
                        result!.labor = nil //Core.Models.Labor.GetLaborByName(id: "LABOR_HANNOVER")
                    }
                    //result!.labor!.host = .LABOR_HANNOVER

                    
                    let pushExplained = dic!.value(forKey: "push_explained")
                    if (pushExplained != nil)
                    {
                        result?.pushNotificationExplained = ((pushExplained as? NSNumber)!).boolValue
                    }
                    else
                    {
                        result?.pushNotificationExplained = false
                    }

                    let pushAccepted = dic!.value(forKey: "push_accepted")
                    if (pushAccepted != nil)
                    {
                        result?.pushNotificationAccepted = ((pushAccepted as? NSNumber)!).boolValue
                    }
                    else
                    {
                        result?.pushNotificationAccepted = false
                    }

                    let AGBAccepted = dic!.value(forKey: policyAgbExplainedKey)
                    if (AGBAccepted != nil)
                    {
                        result?.policyAGBExplained = ((AGBAccepted as? NSNumber)!).boolValue
                    }
                    else
                    {
                        result?.policyAGBExplained = false
                    }
                }
            }
            
            return result
        }
        
        /**
         * Saves the settings to the file
         */
        public func save(atPath: String) -> Bool
        {
            let dic = NSMutableDictionary()
            dic.setValue(self.public_key, forKey: "public_key")
            dic.setValue(self.hashed_private_key, forKey: "hashed_private_key")
            dic.setValue(self.verificator_hash, forKey: "verificator_hash")
            dic.setValue(self.password_hash, forKey: "password_hash")
            dic.setValue(self.password_reset_hash, forKey: "password_reset_hash")
            dic.setValue(self.zip, forKey: "zip")
            dic.setValue(self.birthday, forKey: "birthday")
            dic.setValue(self.udid, forKey: "udid")
            dic.setValue((self.lang == Core.Lang.Languages.DE ? "DE": "EN"), forKey: "lang")
            dic.setValue(self.labor?.id, forKey: "labor")
            dic.setValue(self.pushNotificationExplained, forKey: "push_explained")
            dic.setValue(self.pushNotificationAccepted, forKey: "push_accepted")
            dic.setValue(self.policyAGBExplained, forKey: "agb_accepted")

            dic.write(toFile: atPath, atomically: true)
            
            return Core.System.FileExists(atPath: atPath)
        }
        
        /**
         * Returns formated birthday as date
         */
        public func GetBirthday() -> Date?
        {
            var result: Date? = nil
            
            if(self.birthday != nil)
            {
                let dateFormatter = DateFormatter()
                dateFormatter.dateFormat = "yyyy-MM-dd"
                result = dateFormatter.date(from: self.birthday!)
            }
            
            return result;
        }
        
        /**
         * Returns formated birthday as string
         */
        public func GetFormatedBirthday() -> String?
        {
            var result: String? = nil
            
            let date = self.GetBirthday()
            
            if(date != nil)
            {
                let dateFormatter = DateFormatter()
                dateFormatter.dateFormat = "dd.MM.yyyy"
                result = dateFormatter.string(from: date!)
            }
            
            return result
        }
        
        /**
         * Sets the birthday to the settings
         */
        public func SetBirthday(date: Date)
        {
            let dateFormatter = DateFormatter()
            dateFormatter.dateFormat = "yyyy-MM-dd"
            self.birthday = dateFormatter.string(from: date)
        }
    }
}