#include "wifi_board.h"
#include "codecs/box_audio_codec.h"
#include "display/lcd_display.h"
#include "system_reset.h"
#include "application.h"
#include "button.h"
#include "config.h"

#include <esp_log.h>
#include "i2c_device.h"
#include <driver/i2c_master.h>
#include <driver/ledc.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_tca95xx_16bit.h"
#include "esp32_camera.h"
#include "led/circular_strip.h"
#include "esp_lcd_jd9853.h"

#define TAG "waveshare_s3_audio_board"

#define LCD_OPCODE_WRITE_CMD        (0x02ULL)
#define LCD_OPCODE_READ_CMD         (0x0BULL)
#define LCD_OPCODE_WRITE_COLOR      (0x32ULL)

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_;
    Esp32Camera* camera_;

    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 InitializeTca9555(void)
    {
        esp_err_t ret = esp_io_expander_new_i2c_tca95xx_16bit(i2c_bus_, I2C_ADDRESS, &io_expander);  
        if(ret != ESP_OK)
            ESP_LOGE(TAG, "TCA9554 create returned error");                                                                                  // 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_PIN_NUM_8|IO_EXPANDER_PIN_NUM_5|IO_EXPANDER_PIN_NUM_6, 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(10));
        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(10));
        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);
        ret = esp_io_expander_set_level(io_expander, IO_EXPANDER_PIN_NUM_8, 1);                                                         // 启用喇叭功放
        ret = esp_io_expander_set_level(io_expander, IO_EXPANDER_PIN_NUM_5, false);                                                     // 复位摄像头
        vTaskDelay(pdMS_TO_TICKS(5));
        ret = esp_io_expander_set_level(io_expander, IO_EXPANDER_PIN_NUM_6, true); 
        vTaskDelay(pdMS_TO_TICKS(5));
        ESP_ERROR_CHECK(ret);
    }

    void InitializeSpi() {
        spi_bus_config_t buscfg = {};
        buscfg.mosi_io_num = DISPLAY_MOSI_PIN;
        buscfg.miso_io_num = GPIO_NUM_NC;
        buscfg.sclk_io_num = DISPLAY_SCLK_PIN;
        buscfg.quadwp_io_num = GPIO_NUM_NC;
        buscfg.quadhd_io_num = GPIO_NUM_NC;
        buscfg.max_transfer_sz = DISPLAY_WIDTH * DISPLAY_HEIGHT * sizeof(uint16_t);
        ESP_ERROR_CHECK(spi_bus_initialize(SPI2_HOST, &buscfg, SPI_DMA_CH_AUTO));
    }

    void InitializeSt7789Display() {
        esp_lcd_panel_io_handle_t panel_io = nullptr;
        esp_lcd_panel_handle_t panel = nullptr;
        // 液晶屏控制IO初始化
        ESP_LOGD(TAG, "Install panel IO");
        esp_lcd_panel_io_spi_config_t io_config = {};
        io_config.cs_gpio_num = DISPLAY_CS_PIN;
        io_config.dc_gpio_num = DISPLAY_DC_PIN;
        io_config.spi_mode = 0;
        io_config.pclk_hz = DISPLAY_SPI_SCLK_HZ;
        io_config.trans_queue_depth = 10;
        io_config.lcd_cmd_bits = 8;
        io_config.lcd_param_bits = 8;
        ESP_ERROR_CHECK(esp_lcd_new_panel_io_spi(SPI2_HOST, &io_config, &panel_io));

        // 初始化液晶屏驱动芯片ST7789
        ESP_LOGD(TAG, "Install LCD driver");
        esp_lcd_panel_dev_config_t panel_config = {};
        panel_config.reset_gpio_num = GPIO_NUM_NC;
        panel_config.rgb_ele_order = LCD_RGB_ELEMENT_ORDER_RGB;
        panel_config.bits_per_pixel = 16;
        ESP_ERROR_CHECK(esp_lcd_new_panel_st7789(panel_io, &panel_config, &panel));
        ESP_ERROR_CHECK(esp_lcd_panel_reset(panel));
        ESP_ERROR_CHECK(esp_lcd_panel_init(panel));
        ESP_ERROR_CHECK(esp_lcd_panel_swap_xy(panel, DISPLAY_SWAP_XY));
        ESP_ERROR_CHECK(esp_lcd_panel_mirror(panel, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y));
        ESP_ERROR_CHECK(esp_lcd_panel_invert_color(panel, DISPLAY_INVERT_COLOR));

        display_ = new SpiLcdDisplay(panel_io, panel,
                                     DISPLAY_WIDTH, DISPLAY_HEIGHT, DISPLAY_OFFSET_X, DISPLAY_OFFSET_Y, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y, DISPLAY_SWAP_XY);
    }

    void InitializeJd9853Display() {
        esp_lcd_panel_io_handle_t panel_io = nullptr;
        esp_lcd_panel_handle_t panel = nullptr;
        // 液晶屏控制IO初始化
        ESP_LOGD(TAG, "Install panel IO");
        esp_lcd_panel_io_spi_config_t io_config = {};
        io_config.cs_gpio_num = DISPLAY_CS_PIN;
        io_config.dc_gpio_num = DISPLAY_DC_PIN;
        io_config.spi_mode = 0;
        io_config.pclk_hz = DISPLAY_SPI_SCLK_HZ;
        io_config.trans_queue_depth = 10;
        io_config.lcd_cmd_bits = 8;
        io_config.lcd_param_bits = 8;
        ESP_ERROR_CHECK(esp_lcd_new_panel_io_spi(SPI2_HOST, &io_config, &panel_io));

        // 初始化液晶屏驱动芯片JD9853
        ESP_LOGD(TAG, "Install LCD driver");
        esp_lcd_panel_dev_config_t panel_config = {};
        panel_config.reset_gpio_num = GPIO_NUM_NC;
        panel_config.rgb_ele_order = LCD_RGB_ELEMENT_ORDER_RGB;
        panel_config.bits_per_pixel = 16;
        //ESP_ERROR_CHECK(esp_lcd_new_panel_st7789(panel_io, &panel_config, &panel));
        ESP_ERROR_CHECK(esp_lcd_new_panel_jd9853(panel_io, &panel_config, &panel));
        ESP_ERROR_CHECK(esp_lcd_panel_reset(panel));
        ESP_ERROR_CHECK(esp_lcd_panel_init(panel));
        ESP_ERROR_CHECK(esp_lcd_panel_invert_color(panel, true));
        ESP_ERROR_CHECK(esp_lcd_panel_set_gap(panel, 0, 34));
        ESP_ERROR_CHECK(esp_lcd_panel_mirror(panel, true, false));
        ESP_ERROR_CHECK(esp_lcd_panel_swap_xy(panel, true));
        display_ = new SpiLcdDisplay(panel_io, panel,
                                     DISPLAY_WIDTH, DISPLAY_HEIGHT, DISPLAY_OFFSET_X, DISPLAY_OFFSET_Y, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y, DISPLAY_SWAP_XY);
    }

    void InitializeButtons() {
        boot_button_.OnClick([this]() {
            auto& app = Application::GetInstance();
            if (app.GetDeviceState() == kDeviceStateStarting) {
                EnterWifiConfigMode();
                return;
            }
            app.ToggleChatState();
        });
    }

    void InitializeCamera() {
        static esp_cam_ctlr_dvp_pin_config_t dvp_pin_config = {
            .data_width = CAM_CTLR_DATA_WIDTH_8,
            .data_io = {
                [0] = CAMERA_PIN_D0,
                [1] = CAMERA_PIN_D1,
                [2] = CAMERA_PIN_D2,
                [3] = CAMERA_PIN_D3,
                [4] = CAMERA_PIN_D4,
                [5] = CAMERA_PIN_D5,
                [6] = CAMERA_PIN_D6,
                [7] = CAMERA_PIN_D7,
            },
            .vsync_io = CAMERA_PIN_VSYNC,
            .de_io = CAMERA_PIN_HREF,
            .pclk_io = CAMERA_PIN_PCLK,
            .xclk_io = CAMERA_PIN_XCLK,
        };

        esp_video_init_sccb_config_t sccb_config = {
            .init_sccb = false,  // 不初始化新的 SCCB，使用现有的 I2C 总线
            .i2c_handle = i2c_bus_,  // 使用现有的 I2C 总线句柄
            .freq = 100000,  // 100kHz
        };

        esp_video_init_dvp_config_t dvp_config = {
            .sccb_config = sccb_config,
            .reset_pin = CAMERA_PIN_RESET,
            .pwdn_pin = CAMERA_PIN_PWDN,
            .dvp_pin = dvp_pin_config,
            .xclk_freq = 12000000,
        };

        esp_video_init_config_t video_config = {
            .dvp = &dvp_config,
        };

        camera_ = new Esp32Camera(video_config);

    }
public:
    CustomBoard() :
        boot_button_(BOOT_BUTTON_GPIO) {
        InitializeI2c();
        InitializeTca9555();
        InitializeSpi();
        InitializeButtons();
        #ifdef LCD_TYPE_JD9853_SERIAL
        InitializeJd9853Display(); 
        #else
        InitializeSt7789Display(); 
        #endif
        InitializeCamera();
        GetBacklight()->RestoreBrightness();
    }

    virtual Led* GetLed() override {
        static CircularStrip led(BUILTIN_LED_GPIO, 6);
        return &led;
    }

    virtual AudioCodec* GetAudioCodec() override {
        static BoxAudioCodec audio_codec(i2c_bus_, AUDIO_INPUT_SAMPLE_RATE, AUDIO_OUTPUT_SAMPLE_RATE,
            AUDIO_I2S_GPIO_MCLK, AUDIO_I2S_GPIO_BCLK, AUDIO_I2S_GPIO_WS, AUDIO_I2S_GPIO_DOUT, AUDIO_I2S_GPIO_DIN, AUDIO_CODEC_PA_PIN, AUDIO_CODEC_ES8311_ADDR, AUDIO_CODEC_ES7210_ADDR, AUDIO_INPUT_REFERENCE);
            return &audio_codec;
    }

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

    virtual Camera* GetCamera() override {
        return camera_;
    }
};

DECLARE_BOARD(CustomBoard);
