/*
 * Settings.h
 *
 *  Created on: 21.12.2013
 *      Author: skuser
 */
/** @file */
#ifndef SETTINGS_H_
#define SETTINGS_H_

#include "Button.h"
#include "Configuration.h"
#include "Log.h"
#include "LED.h"
#include "Memory.h"
#include <avr/eeprom.h>

#define SETTINGS_COUNT		(MEMORY_SIZE / MEMORY_SIZE_PER_SETTING)
#define SETTINGS_FIRST		1
#define SETTINGS_LAST		(SETTINGS_FIRST + SETTINGS_COUNT - 1)

/** Defines one setting.
 *
 * \note Some properties may change globally if this is defined in the Makefile.
 */
typedef struct {
    ButtonActionEnum ButtonActions[BUTTON_TYPE_COUNT]; /// Button actions for this setting.
    LogModeEnum LogMode; /// Log mode for this setting.
    ConfigurationEnum Configuration; /// Active configuration for this setting.
    LEDHookEnum LEDRedFunction; /// Red LED function for this setting.
    LEDHookEnum LEDGreenFunction; /// Green LED function for this setting.
    uint16_t PendingTaskTimeout; /// Timeout for timeout commands for this setting, in multiples of 100 ms.
    uint16_t ReaderThreshold; /// Reader threshold
} SettingsEntryType;

typedef struct {
    uint8_t ActiveSettingIdx;
    SettingsEntryType *ActiveSettingPtr;
    SettingsEntryType Settings[SETTINGS_COUNT];
} SettingsType;

extern SettingsType GlobalSettings, StoredSettings;

INLINE void SettingUpdate(const void *addr, uint16_t size) {
#if ENABLE_EEPROM_SETTINGS
    uintptr_t EEAddr = (uintptr_t)addr - (uintptr_t)&GlobalSettings + (uintptr_t)&StoredSettings;
    switch (size) {
        case 1:
            eeprom_update_byte((uint8_t *)EEAddr, *(uint8_t *)addr);
            break;

        case 2:
            eeprom_update_word((uint16_t *)EEAddr, *(uint16_t *)addr);
            break;

        default:
            eeprom_update_block((uint8_t *)addr, (uint8_t *)EEAddr, size);
    }

#endif
}

#define SETTING_UPDATE(x)	SettingUpdate(&(x), sizeof(x))

void SettingsLoad(void);
void SettingsSave(void);

void SettingsCycle(void);
bool SettingsSetActiveById(uint8_t Setting);
uint8_t SettingsGetActiveById(void);
void SettingsGetActiveByName(char *SettingOut, uint16_t BufferSize);
bool SettingsSetActiveByName(const char *Setting);

#endif /* SETTINGS_H_ */