#ifndef STM32U5XX_HAL_GPIO_HPP
#define STM32U5XX_HAL_GPIO_HPP

#include "global_variable.h"
#include "reg_gpio.h"
#include "reg_rcc.h"
#include "stm32u5xx.h"

class Gpio {
  private:
    uint32_t initialized_pins = 0;
    GPIO_TypeDef *port = nullptr;

  public:
    Gpio();

    void setup(GPIO_TypeDef *gpio);

    hal_status_e init(uint8_t pin, reg_gpio_mode mode = OUTPUT, uint32_t af = 0,
                      reg_gpio_out_type ot = PULL_PUSH, reg_gpio_pupd pull = LL_NOPUPD,
                      reg_gpio_speed spd = HIGH_SPEED);

    void set_high(uint32_t pin);

    void set_low(uint32_t pin);

    void toggle(uint32_t pin);

    /// to set mode for a pin, just use following code:
    /// this->reg_port->moder->moder0 = mode;
};

// template wrapper for gpio
// It will increase the size of code.
template <Gpio *gpio, uint32_t pin> class GpioPin {
  public:
    GpioPin() = default;

    void setup(reg_gpio_mode mode = OUTPUT, uint32_t af = 0, reg_gpio_out_type ot = PULL_PUSH,
               reg_gpio_pupd pull = LL_NOPUPD, reg_gpio_speed spd = HIGH_SPEED) {
        gpio->init(pin, mode, af, ot, pull, spd);
    }

    void set_high() { gpio->set_high(pin); }

    void set_low() { gpio->set_low(pin); }

    void toggle() { gpio->toggle(pin); }
};

#endif // STM32U5XX_HAL_GPIO_HPP