//
// Created by robtor on 09.12.22.
//

#ifndef FLOATPUMP_LCD_I2C_DRIVER_H
#define FLOATPUMP_LCD_I2C_DRIVER_H

#include "stm32f4xx_hal.h"

namespace floatpump{

        class LCD_I2C_Driver {

        private:
            LCD_I2C_Driver(I2C_HandleTypeDef &handle, uint16_t displayAddr);

        public:
            static LCD_I2C_Driver& getInstance(I2C_HandleTypeDef &handle, uint16_t displayAddr)
            {
                static LCD_I2C_Driver instance(handle, (uint16_t) displayAddr);
                return instance;
            }

        public:
            // Explicitly delete these constructors
            LCD_I2C_Driver(LCD_I2C_Driver const&) = delete;
            void operator=(LCD_I2C_Driver const&) = delete;

            // Functions sending text
            void LCDSendCString(char *str);

            // Functions for configuration
            void LCDClearDisplay(void);
            void LCDSetBacklight(bool enabled);
            void LCDPower(bool enabled);
            void LCDCursor(bool enabled);
            void LCDCursorBlink(bool enabled);

            // These configurations are normally not necessary to change
            void LCDCursorIncDec(bool enabled);
            void LCDDisplayShift(bool enabled);

            // Move Cursor
            void LCDSetCursor(uint8_t x, uint8_t y);

            // Position
            typedef struct {
                uint8_t x;
                uint8_t y;
            } pos_t;

            // Getters
            pos_t getPosition();

        private:
            I2C_HandleTypeDef m_handle;
            uint16_t m_displayAddr;

            bool m_backlight{};
            bool m_cursor{};
            bool m_cursorBlink{};
            bool m_incrementDecrement{};
            bool m_autoShift{};
            bool m_powered;

            pos_t m_curPos;

            void m_lcdSendData(char data);
            void m_lcdSendCmnd(char cmnd);
        };

} // floatpump

#endif //FLOATPUMP_LCD_I2C_DRIVER_H