#include "reg_manager.h"

#include "base_service/config_service.h"
#include "base_service/fpga_if.h"
#include "device_info.hpp"

uint32_t m_action_val0;
uint32_t m_action_receipt;

void     reg_manager_init() {}
uint32_t reg_manager_read_reg(uint32_t addr) {
  uint32_t    readbak = 0;
  static sn_t sncode;

  if (addr == kreg_software_version) {  // read only
    readbak = PC_VERSION;
  } else if (addr == kreg_manufacturer0) {  // read only
    readbak = PC_MANUFACTURER0;
  } else if (addr == kreg_manufacturer1) {  // read only
    readbak = PC_MANUFACTURER1;
  } else if (addr == kreg_product_type_id) {  // read only
    readbak = PC_DEVICE_TYPE;
  } else if (addr == kreg_sn_id0) {  // read only
    device_info_get_sn(&sncode);
    readbak = sncode.sn0;
  } else if (addr == kreg_sn_id1) {  // read only
    device_info_get_sn(&sncode);
    readbak = sncode.sn1;
  } else if (addr == kreg_sn_id2) {  // read only
    device_info_get_sn(&sncode);
    readbak = sncode.sn2;
  } else if (addr == kreg_mac0) {  // read only
    memcpy(&readbak, config_get()->mac, 4);
  } else if (addr == kreg_mac1) {  // read only
    memcpy(&readbak, config_get()->mac + 4, 4);
  }
  /*******************************************************************************
   *                                   CONFIG                                    *
   *******************************************************************************/
  else if (addr == kreg_stm32_obtaining_ip_mode) {
    readbak = config_get()->obtaining_ip_mode;
  } else if (addr == kreg_stm32_ip) {
    readbak = config_get()->ip;
  } else if (addr == kreg_stm32_gw) {
    readbak = config_get()->gw;
  } else if (addr == kreg_stm32_netmask) {
    readbak = config_get()->netmask;
  } else if (addr == kreg_stm32_config0) {
    readbak = config_get()->config0;
  }

  /*******************************************************************************
   *                                   ACTION                                    *
   *******************************************************************************/
  else if (addr == kreg_stm32_action0) {
    readbak = m_action_receipt;
  } else if (addr == kreg_stm32_action_val0) {
    readbak = m_action_val0;
  }

  /*******************************************************************************
   *                             FPGAоƬ¼Ä´æÆ÷¶Áд                              *
   *******************************************************************************/
  else if (addr >= REGADD__FPGA_START) {
    fpga_if_spi_read_data(addr, &readbak);
  }
  return readbak;
}
uint32_t reg_manager_write_reg(uint32_t addr, uint32_t value) {
  uint32_t readbak = 0;

  /*******************************************************************************
   *                                    INFO                                     *
   *******************************************************************************/
  if (addr == kreg_software_version) {  // read only
    readbak = reg_manager_read_reg(addr);
  } else if (addr == kreg_manufacturer0) {  // read only
    readbak = reg_manager_read_reg(addr);
  } else if (addr == kreg_manufacturer1) {  // read only
    readbak = reg_manager_read_reg(addr);
  } else if (addr == kreg_product_type_id) {  // read only
    readbak = reg_manager_read_reg(addr);
  }
  /*******************************************************************************
   *                                   CONFIG                                    *
   *******************************************************************************/
  else if (addr == kreg_stm32_obtaining_ip_mode) {
    config_get()->obtaining_ip_mode = value;
    readbak                         = config_get()->obtaining_ip_mode;
  } else if (addr == kreg_stm32_ip) {
    config_get()->ip = value;
    readbak          = config_get()->ip;
  } else if (addr == kreg_stm32_gw) {
    config_get()->gw = value;
    readbak          = config_get()->gw;
  } else if (addr == kreg_stm32_netmask) {
    config_get()->netmask = value;
    readbak               = config_get()->netmask;
  } else if (addr == kreg_stm32_config0) {
    readbak = config_get()->config0;
  }

  /*******************************************************************************
   *                             FPGAоƬ¼Ä´æÆ÷¶Áд                              *
   *******************************************************************************/
  else if (addr >= REGADD__FPGA_START) {
    fpga_if_spi_write_data(addr, value, &readbak);
    config_update_reg(addr, value);
  }
  return readbak;
}

void reg_manager_read_regs(uint32_t start_addr, uint32_t nreg, uint32_t* datacache, uint32_t* len) {
  uint32_t _nreg = nreg;
  if (start_addr + nreg > MAX_REG_NUM) {
    _nreg = MAX_REG_NUM - start_addr;
  }

  if (*len < _nreg) {
    _nreg = *len;
  }

  for (size_t i = start_addr; i < _nreg; i++) {
    datacache[i] = reg_manager_read_reg(i);
  }
  *len = _nreg;
  return;
}