#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.h>
#include <driver/ledc.h>
#include <wifi_station.h>
#include <esp_lcd_panel_io.h>
#include <esp_lcd_panel_ops.h>
#include <esp_lcd_st77916.h>
#include <esp_timer.h>
#include "esp_io_expander_tca9554.h"

#define TAG "waveshare_lcd_1_85"

LV_FONT_DECLARE(font_puhui_16_4);
LV_FONT_DECLARE(font_awesome_16_4);


class CustomBoard : public WifiBoard {
private:
    Button boot_button_;
    i2c_master_bus_handle_t i2c_bus_;
    esp_io_expander_handle_t io_expander = NULL;
    LcdDisplay* display_;

    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_ST77916_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 Initializest77916Display() {

        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 = ST77916_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 ST77916 panel driver");
        
        st77916_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_st77916(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 LcdDisplay(panel_io, panel, DISPLAY_BACKLIGHT_PIN, DISPLAY_BACKLIGHT_OUTPUT_INVERT,
                                    DISPLAY_WIDTH, DISPLAY_HEIGHT, DISPLAY_OFFSET_X, DISPLAY_OFFSET_Y, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y, DISPLAY_SWAP_XY,
                                    {
                                        .text_font = &font_puhui_16_4,
                                        .icon_font = &font_awesome_16_4,
                                        .emoji_font = font_emoji_64_init(),
                                    });
    }
 
    void InitializeButtons() {
        boot_button_.OnClick([this]() {
            auto& app = Application::GetInstance();
            if (app.GetDeviceState() == kDeviceStateStarting && !WifiStation::GetInstance().IsConnected()) {
                ResetWifiConfiguration();
            }
            app.ToggleChatState();
        });
    }

    // 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("Backlight"));
    }

public:
    CustomBoard() :
        boot_button_(BOOT_BUTTON_GPIO) {
        InitializeI2c();
        InitializeTca9554();
        InitializeSpi();
        Initializest77916Display();
        InitializeButtons();
        InitializeIot();
    }

    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_BOTH, 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_;
    }
};

DECLARE_BOARD(CustomBoard);