#include "plsr_modbus_data.h"
#include "modbus_data_store.h"
#include <stddef.h>

static uint8_t PlsrModbusDevice(PLSR_DEVICE_TYPE device,
                                MODBUS_DATA_DEVICE *modbusDevice)
{
    if ((modbusDevice == NULL) || (device > PLSR_DEVICE_FD))
    {
        return 0U;
    }
    *modbusDevice = (MODBUS_DATA_DEVICE)device;
    return 1U;
}

static uint8_t PlsrModbusValidateWords(void *context,
                                       PLSR_DEVICE_TYPE device,
                                       uint32_t firstAddress,
                                       uint32_t wordCount)
{
    MODBUS_DATA_DEVICE modbusDevice;

    (void)context;
    if (PlsrModbusDevice(device, &modbusDevice) == 0U)
    {
        return 0U;
    }
    return ModbusDataValidateWords(modbusDevice, firstAddress, wordCount);
}

static uint8_t PlsrModbusReadWord(void *context,
                                  PLSR_DEVICE_TYPE device,
                                  uint32_t address,
                                  uint16_t *value)
{
    MODBUS_DATA_DEVICE modbusDevice;

    (void)context;
    if (PlsrModbusDevice(device, &modbusDevice) == 0U)
    {
        return 0U;
    }
    return ModbusDataReadWord(modbusDevice, address, value);
}

static uint8_t PlsrModbusReadDword(void *context,
                                   PLSR_DEVICE_TYPE device,
                                   uint32_t address,
                                   int32_t *value)
{
    MODBUS_DATA_DEVICE modbusDevice;

    (void)context;
    if (PlsrModbusDevice(device, &modbusDevice) == 0U)
    {
        return 0U;
    }
    return ModbusDataReadDword(modbusDevice, address, value);
}

static uint8_t PlsrModbusBitDevice(PLSR_DEVICE_TYPE device,
                                   MODBUS_BIT_DEVICE *modbusDevice)
{
    if ((modbusDevice == NULL) || (device < PLSR_DEVICE_X)
        || (device > PLSR_DEVICE_HM))
    {
        return 0U;
    }
    *modbusDevice = (MODBUS_BIT_DEVICE)(device - PLSR_DEVICE_X);
    return 1U;
}

static uint8_t PlsrModbusReadBit(void *context,
                                 PLSR_DEVICE_TYPE device,
                                 uint32_t address,
                                 uint8_t *value)
{
    MODBUS_BIT_DEVICE modbusDevice;

    (void)context;
    if (PlsrModbusBitDevice(device, &modbusDevice) == 0U)
    {
        return 0U;
    }
    return ModbusDataReadBit(modbusDevice, address, value);
}

void PlsrModbusDataSourceInit(PLSR_DATA_SOURCE *source)
{
    if (source == NULL)
    {
        return;
    }
    source->context = NULL;
    source->validateWords = PlsrModbusValidateWords;
    source->readWord = PlsrModbusReadWord;
    source->readDword = PlsrModbusReadDword;
    source->readBit = PlsrModbusReadBit;
}