/*

* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

* Summary:

* A class for creating a CContactDatabase object with random data.

* The contact items take the form of the following example:

* [KUidContactFieldFamilyName]	Fasiokljno	<5-10 chars>

* [KUidContactFieldGivenName]		Liasidwq	<5-10 chars>

* [KUidContactFieldCompanyName]	Xwjweiohj	<5-10 chars>	

* [KUidContactFieldPhoneNumber]	9874234891	<10 digits>

* Usage example:

*

*/

#include "dbcreator.h"

//////////////////////////////////////////////////////////////////////////////////////////////////

// DbCreator methods

//////////////////////////////////////////////////////////////////////////////////////////////////

CContactDatabase* DbCreator::CreateDbL(const TDesC &aFileName, TInt aNumContacts)

	{

	CContactDatabase* db = CContactDatabase::ReplaceL(aFileName);

	CleanupStack::PushL(db);

	PopulateDatabaseL(*db, aNumContacts);

	CleanupStack::Pop();

	return db;

	}

TUint DbCreator::RandomNum(TUint aMin, TUint aMax)

    {

	TInt64 seed(Math::Random());

	return (static_cast<TUint>(Math::Rand(seed)) % ((aMax - aMin) + 1)) + aMin;

	}

TChar DbCreator::RandomAlphaChar(TBool aIsUpper = EFalse)

    {

	const TInt KUppercaseA(65);

	const TInt KLowercaseA(97);

	const TInt KZOffset(25);

	TInt min = aIsUpper ? KUppercaseA : KLowercaseA;

	TInt max = min + KZOffset;

	return TChar(RandomNum(min, max));

	}

HBufC* DbCreator::RandomNameL()

    {

	const TInt KNameLen( RandomNum(5, 10) );

	HBufC* name = HBufC::NewLC(KNameLen);

	TPtr namePtr = name->Des();

	for (TInt i = 0; i < KNameLen; ++i)

		{

		namePtr.Append(RandomAlphaChar(i == 0));		

		}

	CleanupStack::Pop(name);

	return name;

	}

HBufC* DbCreator::RandomPhoneNumL()

    {

	const TInt KAsciiZero(48);

	const TInt KTenDigits(10);

	HBufC* num = HBufC::NewLC(KTenDigits);

	TPtr numPtr = num->Des();

	for (TInt i = 0; i < KTenDigits; ++i)

		{

		numPtr.Append( TChar(RandomNum(KAsciiZero, KAsciiZero + 9) ) );		

		}

	CleanupStack::Pop(num);

	return num;

	}

void DbCreator::PopulateDatabaseL(CContactDatabase& aDb, TInt aNumContacts)

    {

	for(TInt i = 0; i < aNumContacts; ++i)

		{

		CContactCard* contact = CContactCard::NewLC();

		// first name

		HBufC* fnameBuf = RandomNameL();

		CleanupStack::PushL(fnameBuf);

		CContactItemField* fname = CContactItemField::NewLC(KStorageTypeText, KUidContactFieldGivenName);

		TPtr fnamePtr = fnameBuf->Des();

		fname->TextStorage()->SetTextL(fnamePtr);

		contact->AddFieldL(*fname);

		CleanupStack::Pop(fname);

		CleanupStack::PopAndDestroy(fnameBuf);

		// last name

		HBufC* lnameBuf = RandomNameL();

		CleanupStack::PushL(lnameBuf);

		CContactItemField* lname = CContactItemField::NewLC(KStorageTypeText, KUidContactFieldFamilyName);

		TPtr lnamePtr = lnameBuf->Des();

		lname->TextStorage()->SetTextL(lnamePtr);

		contact->AddFieldL(*lname);

		CleanupStack::Pop(lname);

		CleanupStack::PopAndDestroy(lnameBuf);

		// company name

		HBufC* cnameBuf = RandomNameL();

		CleanupStack::PushL(cnameBuf);

		CContactItemField* cname = CContactItemField::NewLC(KStorageTypeText, KUidContactFieldCompanyName);

		TPtr cnamePtr = cnameBuf->Des();

		cname->TextStorage()->SetTextL(cnamePtr);

		contact->AddFieldL(*cname);

		CleanupStack::Pop(cname);

		CleanupStack::PopAndDestroy(cnameBuf);

		// phone number

		HBufC* numBuf = RandomPhoneNumL();

		CleanupStack::PushL(numBuf);

		CContactItemField* num = CContactItemField::NewLC(KStorageTypeText, KUidContactFieldPhoneNumber);

		TPtr numPtr = numBuf->Des();

		num->TextStorage()->SetTextL(numPtr);

		contact->AddFieldL(*num);

		CleanupStack::Pop(num);

		CleanupStack::PopAndDestroy(numBuf);

		aDb.AddNewContactL(*contact);

		CleanupStack::PopAndDestroy(contact);

		}

	}