#include "wifi_board.h"
#include "audio_codecs/no_audio_codec.h"
#include "display/lcd_display.h"
#include "system_reset.h"
#include "application.h"
#include "button.h"
#include "config.h"
#include "iot/thing_manager.h"

#include <esp_log.h>
#include "i2c_device.h"
#include <driver/i2c_master.h>
#include <driver/ledc.h>
#include <wifi_station.h>
#include <esp_lcd_panel_io.h>
#include <esp_lcd_panel_ops.h>
#include <esp_lcd_spd2010.h>
#include <esp_timer.h>
#include "esp_io_expander_tca9554.h"
#include "lcd_display.h"
#include <iot_button.h>

#define TAG "waveshare_lcd_1_46"

LV_FONT_DECLARE(font_puhui_16_4);
LV_FONT_DECLARE(font_awesome_16_4);


// 在waveshare_lcd_1_46类之前添加新的显示类
class CustomLcdDisplay : public SpiLcdDisplay {
public:
    static void rounder_event_cb(lv_event_t * e) {
        lv_area_t * area = (lv_area_t *)lv_event_get_param(e);
        uint16_t x1 = area->x1;
        uint16_t x2 = area->x2;

        area->x1 = (x1 >> 2) << 2;          // round the start of coordinate down to the nearest 4M number
        area->x2 = ((x2 >> 2) << 2) + 3;    // round the end of coordinate up to the nearest 4N+3 number
    }

    CustomLcdDisplay(esp_lcd_panel_io_handle_t io_handle, 
                    esp_lcd_panel_handle_t panel_handle,
                    int width,
                    int height,
                    int offset_x,
                    int offset_y,
                    bool mirror_x,
                    bool mirror_y,
                    bool swap_xy) 
        : SpiLcdDisplay(io_handle, panel_handle,
                    width, height, offset_x, offset_y, mirror_x, mirror_y, swap_xy,
                    {
                        .text_font = &font_puhui_16_4,
                        .icon_font = &font_awesome_16_4,
                        .emoji_font = font_emoji_64_init(),
                    }) {
        DisplayLockGuard lock(this);
        lv_display_add_event_cb(display_, rounder_event_cb, LV_EVENT_INVALIDATE_AREA, NULL);
    }
};

class CustomBoard : public WifiBoard {
private:
    i2c_master_bus_handle_t i2c_bus_;
    esp_io_expander_handle_t io_expander = NULL;
    LcdDisplay* display_;
    button_handle_t boot_btn, pwr_btn;

    void InitializeI2c() {
        // Initialize I2C peripheral
        i2c_master_bus_config_t i2c_bus_cfg = {
            .i2c_port = (i2c_port_t)0,
            .sda_io_num = I2C_SDA_IO,
            .scl_io_num = I2C_SCL_IO,
            .clk_source = I2C_CLK_SRC_DEFAULT,
        };
        ESP_ERROR_CHECK(i2c_new_master_bus(&i2c_bus_cfg, &i2c_bus_));
    }
    
    void InitializeTca9554(void) {
        esp_err_t ret = esp_io_expander_new_i2c_tca9554(i2c_bus_, I2C_ADDRESS, &io_expander);
        if(ret != ESP_OK)
            ESP_LOGE(TAG, "TCA9554 create returned error");        

        // uint32_t input_level_mask = 0;
        // ret = esp_io_expander_set_dir(io_expander, IO_EXPANDER_PIN_NUM_0 | IO_EXPANDER_PIN_NUM_1, IO_EXPANDER_INPUT);               // 设置引脚 EXIO0 和 EXIO1 模式为输入 
        // ret = esp_io_expander_get_level(io_expander, IO_EXPANDER_PIN_NUM_0 | IO_EXPANDER_PIN_NUM_1, &input_level_mask);             // 获取引脚 EXIO0 和 EXIO1 的电平状态,存放在 input_level_mask 中

        // ret = esp_io_expander_set_dir(io_expander, IO_EXPANDER_PIN_NUM_2 | IO_EXPANDER_PIN_NUM_3, IO_EXPANDER_OUTPUT);              // 设置引脚 EXIO2 和 EXIO3 模式为输出
        // ret = esp_io_expander_set_level(io_expander, IO_EXPANDER_PIN_NUM_2 | IO_EXPANDER_PIN_NUM_3, 1);                             // 将引脚电平设置为 1
        // ret = esp_io_expander_print_state(io_expander);                                                                             // 打印引脚状态

        ret = esp_io_expander_set_dir(io_expander, IO_EXPANDER_PIN_NUM_0 | IO_EXPANDER_PIN_NUM_1, IO_EXPANDER_OUTPUT);                 // 设置引脚 EXIO0 和 EXIO1 模式为输出
        ESP_ERROR_CHECK(ret);
        ret = esp_io_expander_set_level(io_expander, IO_EXPANDER_PIN_NUM_0 | IO_EXPANDER_PIN_NUM_1, 1);                                // 复位 LCD 与 TouchPad
        ESP_ERROR_CHECK(ret);
        vTaskDelay(pdMS_TO_TICKS(300));
        ret = esp_io_expander_set_level(io_expander, IO_EXPANDER_PIN_NUM_0 | IO_EXPANDER_PIN_NUM_1, 0);                                // 复位 LCD 与 TouchPad
        ESP_ERROR_CHECK(ret);
        vTaskDelay(pdMS_TO_TICKS(300));
        ret = esp_io_expander_set_level(io_expander, IO_EXPANDER_PIN_NUM_0 | IO_EXPANDER_PIN_NUM_1, 1);                                // 复位 LCD 与 TouchPad
        ESP_ERROR_CHECK(ret);
    }

    void InitializeSpi() {
        ESP_LOGI(TAG, "Initialize QSPI bus");

        const spi_bus_config_t bus_config = TAIJIPI_SPD2010_PANEL_BUS_QSPI_CONFIG(QSPI_PIN_NUM_LCD_PCLK,
                                                                        QSPI_PIN_NUM_LCD_DATA0,
                                                                        QSPI_PIN_NUM_LCD_DATA1,
                                                                        QSPI_PIN_NUM_LCD_DATA2,
                                                                        QSPI_PIN_NUM_LCD_DATA3,
                                                                        QSPI_LCD_H_RES * 80 * sizeof(uint16_t));
        ESP_ERROR_CHECK(spi_bus_initialize(QSPI_LCD_HOST, &bus_config, SPI_DMA_CH_AUTO));
    }

    void InitializeSpd2010Display() {
        esp_lcd_panel_io_handle_t panel_io = nullptr;
        esp_lcd_panel_handle_t panel = nullptr;

        ESP_LOGI(TAG, "Install panel IO");
        
        const esp_lcd_panel_io_spi_config_t io_config = SPD2010_PANEL_IO_QSPI_CONFIG(QSPI_PIN_NUM_LCD_CS, NULL, NULL);
        ESP_ERROR_CHECK(esp_lcd_new_panel_io_spi((esp_lcd_spi_bus_handle_t)QSPI_LCD_HOST, &io_config, &panel_io));

        ESP_LOGI(TAG, "Install SPD2010 panel driver");
        
        spd2010_vendor_config_t vendor_config = {
            .flags = {
                .use_qspi_interface = 1,
            },
        };
        const esp_lcd_panel_dev_config_t panel_config = {
            .reset_gpio_num = QSPI_PIN_NUM_LCD_RST,
            .rgb_ele_order = LCD_RGB_ELEMENT_ORDER_RGB,     // Implemented by LCD command `36h`
            .bits_per_pixel = QSPI_LCD_BIT_PER_PIXEL,    // Implemented by LCD command `3Ah` (16/18)
            .vendor_config = &vendor_config,
        };
        ESP_ERROR_CHECK(esp_lcd_new_panel_spd2010(panel_io, &panel_config, &panel));

        esp_lcd_panel_reset(panel);
        esp_lcd_panel_init(panel);
        esp_lcd_panel_disp_on_off(panel, true);
        esp_lcd_panel_swap_xy(panel, DISPLAY_SWAP_XY);
        esp_lcd_panel_mirror(panel, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y);
        display_ = new CustomLcdDisplay(panel_io, panel,
                                    DISPLAY_WIDTH, DISPLAY_HEIGHT, DISPLAY_OFFSET_X, DISPLAY_OFFSET_Y, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y, DISPLAY_SWAP_XY);
    }
 
    void InitializeButtonsCustom() {
        gpio_reset_pin(BOOT_BUTTON_GPIO);                                     
        gpio_set_direction(BOOT_BUTTON_GPIO, GPIO_MODE_INPUT);   
        gpio_reset_pin(PWR_BUTTON_GPIO);                                     
        gpio_set_direction(PWR_BUTTON_GPIO, GPIO_MODE_INPUT);   
        gpio_reset_pin(PWR_Control_PIN);                                     
        gpio_set_direction(PWR_Control_PIN, GPIO_MODE_OUTPUT);     
        // gpio_set_level(PWR_Control_PIN, false);
        gpio_set_level(PWR_Control_PIN, true);
    }
    void InitializeButtons() {
        InitializeButtonsCustom();
        button_config_t btns_config = {
            .type = BUTTON_TYPE_CUSTOM,
            .long_press_time = 2000,
            .short_press_time = 50,
            .custom_button_config = {
                .active_level = 0,
                .button_custom_init = nullptr,
                .button_custom_get_key_value = [](void *param) -> uint8_t {
                    return gpio_get_level(BOOT_BUTTON_GPIO);
                },
                .button_custom_deinit = nullptr,
                .priv = this,
            },
        };
        boot_btn = iot_button_create(&btns_config);
        iot_button_register_cb(boot_btn, BUTTON_SINGLE_CLICK, [](void* button_handle, void* usr_data) {
            auto self = static_cast<CustomBoard*>(usr_data);
            auto& app = Application::GetInstance();
            if (app.GetDeviceState() == kDeviceStateStarting && !WifiStation::GetInstance().IsConnected()) {
                self->ResetWifiConfiguration();
            }
            app.ToggleChatState();
        }, this);
        iot_button_register_cb(boot_btn, BUTTON_LONG_PRESS_START, [](void* button_handle, void* usr_data) {
            // 长按无处理
        }, this);

        btns_config.long_press_time = 5000;
        btns_config.custom_button_config.button_custom_get_key_value = [](void *param) -> uint8_t {
            return gpio_get_level(PWR_BUTTON_GPIO);
        };
        pwr_btn = iot_button_create(&btns_config);
        iot_button_register_cb(pwr_btn, BUTTON_SINGLE_CLICK, [](void* button_handle, void* usr_data) {
            // auto self = static_cast<CustomBoard*>(usr_data);                                     // 以下程序实现供用户参考 ，实现单击pwr按键调整亮度               
            // if(self->GetBacklight()->brightness() > 1)                                           // 如果亮度不为0
            //     self->GetBacklight()->SetBrightness(1);                                          // 设置亮度为1         
            // else
            //     self->GetBacklight()->RestoreBrightness();                                       // 恢复原本亮度
            // 短按无处理
        }, this);
        iot_button_register_cb(pwr_btn, BUTTON_LONG_PRESS_START, [](void* button_handle, void* usr_data) {
            auto self = static_cast<CustomBoard*>(usr_data);
            if(self->GetBacklight()->brightness() > 0) {
                self->GetBacklight()->SetBrightness(0);
                gpio_set_level(PWR_Control_PIN, false);
            }
            else {
                self->GetBacklight()->RestoreBrightness();
                gpio_set_level(PWR_Control_PIN, true);
            }
        }, this);
    }

    // 物联网初始化，添加对 AI 可见设备
    void InitializeIot() {
        auto& thing_manager = iot::ThingManager::GetInstance();
        thing_manager.AddThing(iot::CreateThing("Speaker"));
        thing_manager.AddThing(iot::CreateThing("Screen"));
    }

public:
    CustomBoard() { 
        InitializeI2c();
        InitializeTca9554();
        InitializeSpi();
        InitializeSpd2010Display();
        InitializeButtons();
        InitializeIot();
        GetBacklight()->RestoreBrightness();
    }

    virtual AudioCodec* GetAudioCodec() override {
        static NoAudioCodecSimplex audio_codec(AUDIO_INPUT_SAMPLE_RATE, AUDIO_OUTPUT_SAMPLE_RATE,
            AUDIO_I2S_SPK_GPIO_BCLK, AUDIO_I2S_SPK_GPIO_LRCK, AUDIO_I2S_SPK_GPIO_DOUT, I2S_STD_SLOT_LEFT, AUDIO_I2S_MIC_GPIO_SCK, AUDIO_I2S_MIC_GPIO_WS, AUDIO_I2S_MIC_GPIO_DIN, I2S_STD_SLOT_RIGHT); // I2S_STD_SLOT_LEFT / I2S_STD_SLOT_RIGHT / I2S_STD_SLOT_BOTH

        return &audio_codec;
    }

    virtual Display* GetDisplay() override {
        return display_;
    }
    
    virtual Backlight* GetBacklight() override {
        static PwmBacklight backlight(DISPLAY_BACKLIGHT_PIN, DISPLAY_BACKLIGHT_OUTPUT_INVERT);
        return &backlight;
    }
};

DECLARE_BOARD(CustomBoard);