/**
 * @file display.hpp
 * @author Siwat Sirichai (siwat@siwatinc.com)
 * @brief Class for interfacing with the CU Demonstration Secondary School IoT 2024 Display HMIs
 * @version 0.1
 * @date 2024-03-19
 * 
 * @copyright Copyright (c) SIWAT SYSTEM 2024
 * 
 */
#pragma once
#include <InternalDisplay.hpp>
#include <lcd_elements.hpp>
#include <ClimateCard.hpp>
#include <DigitalInputCard.hpp>
#include <DigitalOutputCard.hpp>
#include <RemoteVariable.hpp>

struct cud_display_conf_t
{
    RemoteVariable *aqi;
    DigitalInputCard *inputCard;
    DigitalOutputCard *outputCard;
    ClimateCard *ac;
    HardwareSerial *uart;
    const int tx;
    const int rx;
    const uint32_t communication_baudrate;
    const uint32_t ota_baudrate;
    uint8_t light_pins[4];
    uint8_t fan_pins[3];
    uint8_t air_purifier_pin;
    uint8_t mosquito_zapper_pin;
};

struct cud_display_light_group_t
{
    uint8_t element_id[4];
    const char *element_name[20];
    uint8_t picture_on[4];
    uint8_t picture_on_pressed[4];
    uint8_t picture_off[4];
    uint8_t picture_off_pressed[4];
};

struct cud_display_fan_group_t
{
    uint8_t element_id[3];
    const char *element_name[20];
    uint8_t picture_on[3];
    uint8_t picture_on_pressed[3];
    uint8_t picture_off[3];
    uint8_t picture_off_pressed[3];
};

class CUDDisplay : public ESPMegaDisplay
{
    public:
        CUDDisplay(cud_display_conf_t *conf);
        void begin();
        void display_init();
    private:
        // States Calculation
        bool get_lights_state();
        bool get_fans_state();
        // Callbacks
        void handle_input_change(uint8_t pin, bool state);
        void handle_output_change(uint8_t pin, bool state);
        void handle_aqi_change(char *value);
        void handle_payload(uint8_t type, uint8_t* payload, uint8_t length);
        void handle_ac_change(uint8_t mode, uint8_t fan_speed, uint8_t temperature);
        void handle_ac_sensor(float temperature, float humidity);
        void handle_touch(uint8_t page_id, uint8_t element_id, uint8_t touch_type);
        // Change Display Elements
        void set_display_light_state(uint8_t row, bool state);
        void set_display_light_all_state();
        void set_display_fan_state(uint8_t row, bool state);
        void set_display_fan_all_state();
        void set_display_mosquito_zapper_state(bool state);
        void set_display_air_purifier_state(bool state);
        void refresh_display();
        void refresh_display_ac();
        // Helper Functions
        void system_toggle();
        // AC Functions and Variables
        void set_ac_lock(bool state);
        bool get_ac_lock();
        bool ac_locked;
        uint8_t previous_mode; // Used to store mode prior to turning off
        // Local Variables
        cud_display_conf_t *conf;
        cud_display_light_group_t light_group;
        cud_display_fan_group_t fan_group;
};