//
//  ISStoreAccount.swift
//  mas-cli
//
//  Created by Andrew Naylor on 22/08/2015.
//  Copyright (c) 2015 Andrew Naylor. All rights reserved.
//

extension ISStoreAccount {
    static var primaryAccountIsPresentAndSignedIn: Bool {
        return CKAccountStore.shared().primaryAccountIsPresentAndSignedIn
    }
    
    static var primaryAccount: ISStoreAccount? {
        return CKAccountStore.shared().primaryAccount
    }
    
    static func signIn(username: String? = nil, password: String? = nil, systemDialog: Bool = false) throws -> ISStoreAccount {
        var account: ISStoreAccount? = nil
        var error: Error? = nil
        
        let accountService = ISServiceProxy.genericShared().accountService
        let client = ISStoreClient(storeClientType: 0)
        accountService.setStoreClient(client)
        
        let context = ISAuthenticationContext(accountID: 0)!
        context.appleIDOverride = username
        
        if systemDialog {
            context.appleIDOverride = username
        } else {
            context.demoMode = true
            context.demoAccountName = username
            context.demoAccountPassword = password
            context.demoAutologinMode = true
        }
        
        let group = DispatchGroup()
        group.enter()
        
        accountService.signIn(with: context) { success, _account, _error in
            if success {
                account = _account
            } else {
                error = _error
            }
            group.leave()
        }
        
        if systemDialog {
            group.wait()
        } else {
            let _ = group.wait(timeout: DispatchTime.now() + Double(Int64(UInt64(30) * NSEC_PER_SEC)) / Double(NSEC_PER_SEC))
        }
        
        if let account = account {
            return account
        }
        
        throw error ?? MASError.signInFailed(error: nil)
    }
}