//
//  Contact.swift
//  FriendLender
//
//  Created by Logan Wright on 9/22/14.
//  Copyright (c) 2014 lowriDevs. All rights reserved.
//

import UIKit
import AddressBook

// MARK: Debugging

private let ContactDebug = false

// MARK: NSCoding Constants

private let ContactFirstNameKey = "firstNameKey"
private let ContactFirstNamePhoneticKey = "firstNamePhoneticKey"
private let ContactMiddleNameKey = "middleNameKey"
private let ContactMiddleNamePhoneticKey = "middleNamePhoneticKey"
private let ContactLastNameKey = "lastNameKey"
private let ContactLastNamePhoneticKey = "lastNamePhoneticKey"
private let ContactPrefixKey = "prefixKey"
private let ContactSuffixKey = "suffixKey"
private let ContactNicknameKey = "nicknameKey"
private let ContactBirthDateKey = "birthDateKey"
private let ContactCreationDateKey = "creationDateKey"
private let ContactModificationDateKey = "modificationDateKey"
private let ContactOrganizationKey = "organizationKey"
private let ContactJobTitleKey = "jobTitleKey"
private let ContactDepartmentKey = "departmentKey"
private let ContactPhoneNumbersKey = "phoneNumbersKey"
private let ContactEmailsKey = "emailsKey"
private let ContactNoteKey = "noteKey"

// MARK: Contact Class

class Contact: NSObject, NSCoding {
    
    // MARK: Names
    
    var firstName: String?
    var firstNamePhonetic: String?
    
    var middleName: String?
    var middleNamePhonetic: String?
    
    var lastName: String?
    var lastNamePhonetic: String?
    
    var prefix: String? // Prefix ("Sir" "Duke" "General") - kABStringPropertyType
    var suffix: String? // Suffix ("Jr." "Sr." "III") - kABStringPropertyType
    
    var nickname: String?
    
    var fullName: String? {
        get {
            var fullName: String = ""
            if let firstName = self.firstName {
                fullName += firstName
            }
            if let lastName = self.lastName {
                if countElements(fullName) > 0 {
                    fullName += " "
                }
                fullName += lastName
            }
            return countElements(fullName) > 0 ? fullName : nil
        }
    }
    
    // MARK: Dates
    
    var birthDate: NSDate?
    var creationDate: NSDate?
    var modificationDate: NSDate?
    
    // MARK: Work
    
    var organization: String?
    var jobTitle: String?
    var department: String?
    
    // MARK: Contact Information

    var phoneNumbers: PhoneNumbers?
    var emails: Emails?

    // MARK: Additional Info
    
    var note: String?
    
    // MARK: Initialization
    
    init(recordRef: ABRecordRef) {
        super.init()
        
        self.initializeNamesWithABRecordRef(recordRef)
        self.initializeWorkInfoWithABRecordRef(recordRef)
        self.initializeCreationInfoWithABRecordRef(recordRef)
        
        self.birthDate = self.rawValueFromABRecordRef(recordRef, forProperty: kABPersonBirthdayProperty) as? NSDate
        self.note = self.rawValueFromABRecordRef(recordRef, forProperty: kABPersonNoteProperty) as? String
        
        if let phonesRef: Unmanaged<AnyObject> = ABRecordCopyValue(recordRef, kABPersonPhoneProperty){
            self.phoneNumbers = PhoneNumbers(phoneNumbersRef: phonesRef.takeRetainedValue() as ABMultiValueRef)
        }
        
        if let emailRef: Unmanaged<AnyObject> = ABRecordCopyValue(recordRef, kABPersonEmailProperty){
            self.emails = Emails(emailsRef: emailRef.takeRetainedValue() as ABMultiValueRef)
        }
    }
    
    func initializeNamesWithABRecordRef(recordRef: ABRecordRef) {
        self.firstName = self.rawValueFromABRecordRef(recordRef, forProperty: kABPersonFirstNameProperty) as? String
        self.firstNamePhonetic = self.rawValueFromABRecordRef(recordRef, forProperty: kABPersonFirstNamePhoneticProperty) as? String
        
        self.lastName = self.rawValueFromABRecordRef(recordRef, forProperty: kABPersonLastNameProperty) as? String
        self.lastNamePhonetic = self.rawValueFromABRecordRef(recordRef, forProperty: kABPersonLastNamePhoneticProperty) as? String
        
        self.middleName = self.rawValueFromABRecordRef(recordRef, forProperty: kABPersonMiddleNameProperty) as? String
        self.middleNamePhonetic = self.rawValueFromABRecordRef(recordRef, forProperty: kABPersonMiddleNamePhoneticProperty) as? String
        
        self.prefix = self.rawValueFromABRecordRef(recordRef, forProperty: kABPersonPrefixProperty) as? String
        self.suffix = self.rawValueFromABRecordRef(recordRef, forProperty: kABPersonSuffixProperty) as? String
        
        self.nickname = self.rawValueFromABRecordRef(recordRef, forProperty: kABPersonNicknameProperty) as? String
    }
    
    func initializeWorkInfoWithABRecordRef(recordRef: ABRecordRef) {
        self.organization = self.rawValueFromABRecordRef(recordRef, forProperty: kABPersonOrganizationProperty) as? String
        self.jobTitle = self.rawValueFromABRecordRef(recordRef, forProperty: kABPersonJobTitleProperty) as? String
        self.department = self.rawValueFromABRecordRef(recordRef, forProperty: kABPersonDepartmentProperty) as? String
    }
    
    func initializeCreationInfoWithABRecordRef(recordRef: ABRecordRef) {
        self.creationDate = self.rawValueFromABRecordRef(recordRef, forProperty: kABPersonCreationDateProperty) as? NSDate
        self.modificationDate = self.rawValueFromABRecordRef(recordRef, forProperty: kABPersonModificationDateProperty) as? NSDate
    }
    
    // MARK: Getting Properties From RecordRef
    
    func rawValueFromABRecordRef(recordRef: ABRecordRef, forProperty property: ABPropertyID) -> AnyObject? {
        return ABRecordCopyValue(recordRef, property).takeRetainedValue()
    }
    
    // MARK: NSCoding
    
    func encodeWithCoder(aCoder: NSCoder) {
        if firstName != nil {aCoder.encodeObject(firstName!, forKey: ContactFirstNameKey)}
        if firstNamePhonetic != nil {aCoder.encodeObject(firstNamePhonetic!, forKey: ContactFirstNamePhoneticKey)}
        if middleName != nil {aCoder.encodeObject(middleName!, forKey: ContactMiddleNameKey)}
        if middleNamePhonetic != nil {aCoder.encodeObject(middleNamePhonetic!, forKey: ContactMiddleNamePhoneticKey)}
        if lastName != nil {aCoder.encodeObject(lastName!, forKey: ContactLastNameKey)}
        if lastNamePhonetic != nil {aCoder.encodeObject(lastNamePhonetic!, forKey: ContactLastNamePhoneticKey)}
        if prefix != nil {aCoder.encodeObject(prefix!, forKey: ContactPrefixKey)}
        if suffix != nil {aCoder.encodeObject(suffix!, forKey: ContactSuffixKey)}
        if nickname != nil {aCoder.encodeObject(nickname!, forKey: ContactNicknameKey)}
        if birthDate != nil {aCoder.encodeObject(birthDate!, forKey: ContactBirthDateKey)}
        if creationDate != nil {aCoder.encodeObject(creationDate!, forKey: ContactCreationDateKey)}
        if modificationDate != nil {aCoder.encodeObject(modificationDate!, forKey: ContactModificationDateKey)}
        if organization != nil {aCoder.encodeObject(organization!, forKey: ContactOrganizationKey)}
        if jobTitle != nil {aCoder.encodeObject(jobTitle!, forKey: ContactJobTitleKey)}
        if department != nil {aCoder.encodeObject(department!, forKey: ContactDepartmentKey)}
        if phoneNumbers != nil {aCoder.encodeObject(phoneNumbers!, forKey: ContactPhoneNumbersKey)}
        if emails != nil {aCoder.encodeObject(emails!, forKey: ContactEmailsKey)}
        if note != nil {aCoder.encodeObject(note!, forKey: ContactNoteKey)}
    }
    required init(coder aDecoder: NSCoder) {
        self.firstName = aDecoder.decodeObjectForKey(ContactFirstNameKey) as? String
        self.firstNamePhonetic = aDecoder.decodeObjectForKey(ContactFirstNamePhoneticKey) as? String
        self.middleName = aDecoder.decodeObjectForKey(ContactMiddleNameKey) as? String
        self.middleNamePhonetic = aDecoder.decodeObjectForKey(ContactMiddleNamePhoneticKey) as? String
        self.lastName = aDecoder.decodeObjectForKey(ContactLastNameKey) as? String
        self.lastNamePhonetic = aDecoder.decodeObjectForKey(ContactLastNamePhoneticKey) as? String
        self.prefix = aDecoder.decodeObjectForKey(ContactPrefixKey) as? String
        self.suffix = aDecoder.decodeObjectForKey(ContactSuffixKey) as? String
        self.nickname = aDecoder.decodeObjectForKey(ContactNicknameKey) as? String
        self.birthDate = aDecoder.decodeObjectForKey(ContactBirthDateKey) as? NSDate
        self.creationDate = aDecoder.decodeObjectForKey(ContactCreationDateKey) as? NSDate
        self.modificationDate = aDecoder.decodeObjectForKey(ContactModificationDateKey) as? NSDate
        self.organization = aDecoder.decodeObjectForKey(ContactOrganizationKey) as? String
        self.jobTitle = aDecoder.decodeObjectForKey(ContactJobTitleKey) as? String
        self.department = aDecoder.decodeObjectForKey(ContactDepartmentKey) as? String
        self.phoneNumbers = aDecoder.decodeObjectForKey(ContactPhoneNumbersKey) as? PhoneNumbers
        self.emails = aDecoder.decodeObjectForKey(ContactEmailsKey) as? Emails
        self.note = aDecoder.decodeObjectForKey(ContactNoteKey) as? String
    }

}

// MARK: Emails Class NSCoding Constants

private let EmailsHomeKey = "EmailsHomeKey"
private let EmailsWorkKey = "EmailsWorkKey"
private let EmailsOtherKey = "EmailsOtherKey"
private let EmailsUnknownEmailsKey = "EmailsUnknownEmailsKey"

// MARK: Emails

class Emails: NSObject, NSCoding {
    
    // MARK: Public Properties
    
    var home: String?
    var work: String?
    var other: String?
    var unknownEmails: [String : String] = [:]
    
    var bestEmail: String? {
        get {
            var bestEmail: String?
            if let home = home {
                bestEmail = home
            } else if let work = work {
                bestEmail = work
            } else if let other = other {
                bestEmail = other
            } else if unknownEmails.count > 0 {
                bestEmail = unknownEmails.values.first
            }
            return bestEmail
        }
    }
    
    // MARK: Initialization
    
    init(emailsRef: ABMultiValueRef) {
        super.init()

        for i in 0..<ABMultiValueGetCount(emailsRef) {
            let emailKey = (ABMultiValueCopyLabelAtIndex(emailsRef, i).takeRetainedValue() as CFStringRef)
            let emailValue = ABMultiValueCopyValueAtIndex(emailsRef, i).takeRetainedValue() as String
            if emailKey == kABHomeLabel {
                home = emailValue
            }
            else if emailKey == kABWorkLabel {
                work = emailValue
            }
            else if emailKey == kABOtherLabel {
                other = emailValue
            }
            else {
                if ContactDebug {println("UnknownEmailKey: \(emailKey) Val: \(emailValue)")}
                /*
                I implemented all of the available keys as well as Home, not sure if other keys exist.  Just in case, I store unexpected values here.
                */
                unknownEmails[emailKey] = emailValue
            }
            
            if ContactDebug {
                println("EmailKey: \(emailKey)")
                println("EmailVal: \(emailValue)")
            }
        }
    }
    
    // MARK: NSCoding
    
    func encodeWithCoder(aCoder: NSCoder) {
        if home != nil {aCoder.encodeObject(home!, forKey: EmailsHomeKey)}
        if work != nil {aCoder.encodeObject(work!, forKey: EmailsWorkKey)}
        if other != nil {aCoder.encodeObject(other!, forKey: EmailsOtherKey)}
        if unknownEmails.count > 0 {aCoder.encodeObject(unknownEmails, forKey: EmailsUnknownEmailsKey)}

    }
    required init(coder aDecoder: NSCoder) {
        home = aDecoder.decodeObjectForKey(EmailsHomeKey) as? String
        work = aDecoder.decodeObjectForKey(EmailsWorkKey) as? String
        other = aDecoder.decodeObjectForKey(EmailsOtherKey) as? String
        if let decodedUnknownEmails = aDecoder.decodeObjectForKey(EmailsUnknownEmailsKey) as? [String : String] {
            unknownEmails = decodedUnknownEmails
        }
    }
}

// MARK: Phone Numbers Class NSCoding Constants

private let PhoneNumbersMobileKey = "PhoneNumbersMobileKey"
private let PhoneNumbersIPhoneKey = "PhoneNumbersIPhoneKey"
private let PhoneNumbersMainKey = "PhoneNumbersMainKey"
private let PhoneNumbersFaxHomeKey = "PhoneNumbersFaxHomeKey"
private let PhoneNumbersFaxWorkKey = "PhoneNumbersFaxWorkKey"
private let PhoneNumbersFaxOtherKey = "PhoneNumbersFaxOtherKey"
private let PhoneNumbersPagerKey = "PhoneNumbersPagerKey"
private let PhoneNumbersHomeKey = "PhoneNumbersHomeKey"
private let PhoneNumbersUnknownNumbersKey = "PhoneNumbersUnknownNumbersKey"

// MARK: PhoneNumbers

class PhoneNumbers: NSObject, NSCoding {
    
    // MARK: Public Properties
    
    var mobile: String?
    var iPhone: String?
    var main: String?
    var home: String?
    var faxHome: String?
    var faxWork: String?
    var faxOther: String?
    var pager: String?
    var unknownNumbers: [String : String] = [:]
    
    var bestTextNumber: String? {
        get {
            var textNumber: String?
            if let iPhone = iPhone {
                textNumber = iPhone
            } else if let mobile = mobile {
                textNumber = mobile
            } else if let main = main {
                textNumber = main
            }
            return textNumber
        }
    }
    
    var bestPhoneNumber: String? {
        get {
            var phoneNumber: String?
            if let iPhone = iPhone {
                phoneNumber = iPhone
            } else if let mobile = mobile {
                phoneNumber = mobile
            } else if let main = main {
                phoneNumber = main
            } else if let home = home {
                phoneNumber = home
            }
            return phoneNumber
        }
    }
    
    // MARK: Initialization
    
    init(phoneNumbersRef: ABMultiValueRef) {
        super.init()
        
        for i in 0..<ABMultiValueGetCount(phoneNumbersRef) {
            
            let phoneNumberKey = (ABMultiValueCopyLabelAtIndex(phoneNumbersRef, i).takeRetainedValue() as CFStringRef)
            let phoneNumberValue = ABMultiValueCopyValueAtIndex(phoneNumbersRef, i).takeRetainedValue() as String
            
            if phoneNumberKey == kABPersonPhoneMobileLabel {
                self.mobile = phoneNumberValue;
            }
            else if phoneNumberKey == kABPersonPhoneIPhoneLabel {
                self.iPhone = phoneNumberValue;
            }
            else if phoneNumberKey == kABPersonPhoneMainLabel {
                self.main = phoneNumberValue;
            }
            else if phoneNumberKey == kABPersonPhoneHomeFAXLabel {
                self.faxHome = phoneNumberValue;
            }
            else if phoneNumberKey == kABPersonPhoneWorkFAXLabel {
                self.faxWork = phoneNumberValue;
            }
            else if phoneNumberKey == kABPersonPhoneOtherFAXLabel {
                self.faxOther = phoneNumberValue;
            }
            else if phoneNumberKey == kABPersonPhonePagerLabel {
                self.pager = phoneNumberValue
            }
            else if phoneNumberKey == "_$!<Home>!$_" {
                self.home = phoneNumberValue
            }
            else {
                if ContactDebug {println("UnknownPhoneNumberKey: \(phoneNumberKey) Val: \(phoneNumberValue)")}
                /*
                I implemented all of the available keys as well as Home, not sure if other keys exist.  Just in case, I store unexpected values here.
                */
                unknownNumbers[phoneNumberKey] = phoneNumberValue
            }
            
            if ContactDebug {
                println("PhoneNumberKey: \(phoneNumberKey)")
                println("PhoneNumberVal: \(phoneNumberValue)")
            }
        }
    }
    
    // MARK: NSCoding
    
    func encodeWithCoder(aCoder: NSCoder) {
        if mobile != nil {aCoder.encodeObject(mobile!, forKey: PhoneNumbersMobileKey)}
        if iPhone != nil {aCoder.encodeObject(iPhone!, forKey: PhoneNumbersIPhoneKey)}
        if main != nil {aCoder.encodeObject(main!, forKey: PhoneNumbersMainKey)}
        if faxHome != nil {aCoder.encodeObject(faxHome!, forKey: PhoneNumbersFaxHomeKey)}
        if faxWork != nil {aCoder.encodeObject(faxWork!, forKey: PhoneNumbersFaxWorkKey)}
        if faxOther != nil {aCoder.encodeObject(faxOther!, forKey: PhoneNumbersFaxOtherKey)}
        if pager != nil {aCoder.encodeObject(pager!, forKey: PhoneNumbersPagerKey)}
        if home != nil {aCoder.encodeObject(home!, forKey: PhoneNumbersHomeKey)}
        if unknownNumbers.count > 0 {aCoder.encodeObject(unknownNumbers, forKey: PhoneNumbersUnknownNumbersKey)}
        
    }
    required init(coder aDecoder: NSCoder) {
        mobile = aDecoder.decodeObjectForKey(PhoneNumbersMobileKey) as? String
        iPhone = aDecoder.decodeObjectForKey(PhoneNumbersIPhoneKey) as? String
        main = aDecoder.decodeObjectForKey(PhoneNumbersMainKey) as? String
        faxHome = aDecoder.decodeObjectForKey(PhoneNumbersFaxHomeKey) as? String
        faxWork = aDecoder.decodeObjectForKey(PhoneNumbersFaxWorkKey) as? String
        faxOther = aDecoder.decodeObjectForKey(PhoneNumbersFaxOtherKey) as? String
        pager = aDecoder.decodeObjectForKey(PhoneNumbersPagerKey) as? String
        home = aDecoder.decodeObjectForKey(PhoneNumbersHomeKey) as? String
        if let decodedUnknownNumbersDict = aDecoder.decodeObjectForKey(PhoneNumbersUnknownNumbersKey) as? [String : String] {
            unknownNumbers = decodedUnknownNumbersDict
        }
    }
}