/* This file is subject to the terms and conditions defined in
 * file 'LICENSE.txt', which is part of this source code package.
 */
#include "UserInput.h"
#include "../Database/Configuration.h"
#include "../Utility/Log.h"

UserInput::UserInput(Configuration &c)
    : Config(c)
{
}

UserInput::~UserInput()
{
}

bool UserInput::Initialize()
{
    bool retVal = true;

    retVal = MapKey("nextItem", KeyCodeNextItem) && retVal;
    retVal = MapKey("previousItem", KeyCodePreviousItem) && retVal;
    retVal = MapKey("pageDown", KeyCodePageDown) && retVal;
    retVal = MapKey("pageUp", KeyCodePageUp) && retVal;
    retVal = MapKey("select", KeyCodeSelect) && retVal;
    retVal = MapKey("back", KeyCodeBack) && retVal;
    retVal = MapKey("quit", KeyCodeQuit) && retVal;
    // these features will need to be implemented at a later time
//   retVal = MapKey("admin", KeyCodeAdminMode) && retVal;
//   retVal = MapKey("remove", KeyCodeHideItem) && retVal;

    return retVal;
}

SDL_Scancode UserInput::GetScancode(KeyCode_E key)
{
    SDL_Scancode scancode = SDL_SCANCODE_UNKNOWN;
    std::map<KeyCode_E, SDL_Scancode>::iterator it = KeyMap.find(key);

    if(it != KeyMap.end())
    {
        scancode = it->second;
    }

    return scancode;
}


bool UserInput::MapKey(std::string keyDescription, KeyCode_E key)
{
    bool retVal = false;
    SDL_Scancode scanCode;
    std::string description;

    std::string configKey = "controls." + keyDescription;

    if(!Config.GetProperty(configKey, description))
    {
        Logger::Write(Logger::ZONE_ERROR, "Configuration", "Missing property " + configKey);
    }
    else
    {
        scanCode = SDL_GetScancodeFromName(description.c_str());

        if(scanCode == SDL_SCANCODE_UNKNOWN)
        {
            Logger::Write(Logger::ZONE_ERROR, "Configuration", "Unsupported property value for " + configKey + "(" + description + "). See Documentation/Keycodes.txt for valid inputs");
        }
        else
        {
            KeyMap[key] = scanCode;
            retVal = true;
        }
    }

    return retVal;
}