/*
 * Copyright (c) 2017, The Linux Foundation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 *       copyright notice, this list of conditions and the following
 *       disclaimer in the documentation and/or other materials provided
 *       with the distribution.
 *     * Neither the name of The Linux Foundation nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <sstream>
#include "DummyDriver.h"
#include "Utils.h"

//////////////////////////////////////////////////////////////////////////
// Test Device interface

DummyDriver::DummyDriver(string interfaceName) : DriverAPI(interfaceName)
{
    //LOG_MESSAGE_INFO(_T("Create test device access for: %s"), interfaceName.c_str());
    m_registersAddressToValue.insert(make_pair(0x880050, 0x12345678));

    unsigned baseAddress = 0x880100;
    unsigned numOfAddresses = 40;
    unsigned numOfAddressesInRegister = 4;
    unsigned value = 0x0;
    for (unsigned i = 0; i < numOfAddresses * numOfAddressesInRegister; i += numOfAddressesInRegister)
    {
        m_registersAddressToValue.insert(make_pair(baseAddress + i, value++));
    }
}

DummyDriver::~DummyDriver()
{
    Close();
}

// Virtual access functions for device
bool DummyDriver::Read(DWORD address, DWORD& value)
{
    auto registerElement = m_registersAddressToValue.find(address);
    if (registerElement != m_registersAddressToValue.end())
    {
        value = registerElement->second;
        return true;

    }
    value = Utils::REGISTER_DEFAULT_VALUE;
    return false;
}

bool DummyDriver::ReadBlock(DWORD address, DWORD blockSize, vector<DWORD>& values)
{
    auto registerElement = m_registersAddressToValue.find(address);
    if (registerElement != m_registersAddressToValue.end())
    {
        for (DWORD v = 0x0; v < blockSize; ++v)
        {
            values.push_back(registerElement->second + v);
        }
        return true;
    }
    return false;
}

bool DummyDriver::Write(DWORD address, DWORD value)
{
    auto registerElement = m_registersAddressToValue.find(address);
    if (registerElement != m_registersAddressToValue.end())
    {
        registerElement->second = value;
        return true;
    }
    return false;
}

bool DummyDriver::WriteBlock(DWORD address, vector<DWORD> values)
{
    auto registerElement = m_registersAddressToValue.find(address);
    if (registerElement != m_registersAddressToValue.end())
    {
        unsigned i = 0;
        for (auto v = values.begin(); v != values.end(); ++v)
        {
            m_registersAddressToValue[address + i] = *v;
            ++i;
        }
        return true;
    }
    return false;
}

bool DummyDriver::Open()
{
    return true;
}

void DummyDriver::Close()
{
    return;
}

void DummyDriver::InterfaceReset()
{
    return;
}

bool DummyDriver::SwReset()
{
    return true;
}

set<string> DummyDriver::Enumerate()
{
    stringstream deviceNameDelimiter;
    deviceNameDelimiter << DEVICE_NAME_DELIMITER;
    set<string> discoveredDevices;

    // add first device
    string deviceName = std::string("TEST") + deviceNameDelimiter.str() + "wTest0";
    discoveredDevices.insert(deviceName);

    // add second device
    deviceName = std::string("TEST") + deviceNameDelimiter.str() + "wTest1";
    discoveredDevices.insert(deviceName);

    return discoveredDevices;
}