#include "wifi_board.h"
#include "codecs/es8311_audio_codec.h"
#include "display/lcd_display.h"
#include "application.h"
#include "button.h"
#include "config.h"
#include "i2c_device.h"

#include <esp_log.h>
#include <esp_efuse_table.h>
#include <esp_lcd_panel_vendor.h>
#include <driver/i2c_master.h>
#include <driver/spi_common.h>
#include <wifi_station.h>
#include <esp_wifi.h>

#include "power_save_timer.h"
#include "power_manager.h"
// #include <esp_sleep.h> 


#define TAG "SURFERC3114TFT"

LV_FONT_DECLARE(font_puhui_16_4);
LV_FONT_DECLARE(font_awesome_16_4);

class SurferC3114TFT : public WifiBoard {
private:
    i2c_master_bus_handle_t codec_i2c_bus_;
    Button boot_button_;
    LcdDisplay* display_;
    PowerSaveTimer* power_save_timer_;
    PowerManager* power_manager_;
    esp_lcd_panel_io_handle_t panel_io_ = nullptr;
    esp_lcd_panel_handle_t panel_ = nullptr;

    void InitializeI2c() {
        // Initialize I2C peripheral
        i2c_master_bus_config_t i2c_bus_cfg = {
            .i2c_port = I2C_NUM_0,
            .sda_io_num = AUDIO_CODEC_I2C_SDA_PIN,
            .scl_io_num = AUDIO_CODEC_I2C_SCL_PIN,
            .clk_source = I2C_CLK_SRC_DEFAULT,
            .glitch_ignore_cnt = 7,
            .intr_priority = 0,
            .trans_queue_depth = 0,
            .flags = {
                .enable_internal_pullup = 1,
            },
        };
        ESP_ERROR_CHECK(i2c_new_master_bus(&i2c_bus_cfg, &codec_i2c_bus_));

        // Print I2C bus info
        if (i2c_master_probe(codec_i2c_bus_, 0x18, 1000) != ESP_OK) {
            while (true) {
                ESP_LOGE(TAG, "Failed to probe I2C bus, please check if you have installed the correct firmware");
                vTaskDelay(1000 / portTICK_PERIOD_MS);
            }
        }
    }

    void InitializePowerManager() {
        power_manager_ = new PowerManager(GPIO_NUM_NC);
        power_manager_->OnChargingStatusChanged([this](bool is_charging) {
            if (is_charging) {
                power_save_timer_->SetEnabled(false);
            } else {
                power_save_timer_->SetEnabled(true);
            }
        });

    }

    void InitializePowerSaveTimer() {
        //定时器，调整设备为modem-sleep模式和屏幕亮度
        power_save_timer_ = new PowerSaveTimer(-1, 60, -1);
        power_save_timer_->OnEnterSleepMode([this]() {
            ESP_LOGI(TAG, "Enabling modem-sleep mode");
            display_->SetChatMessage("system", "");
            display_->SetEmotion("sleepy");
            GetBacklight()->SetBrightness(1);            
            esp_wifi_set_ps(WIFI_PS_MIN_MODEM); 
        });
        power_save_timer_->OnExitSleepMode([this]() {
            display_->SetChatMessage("system", "");
            display_->SetEmotion("neutral");
            GetBacklight()->RestoreBrightness();            
            esp_wifi_set_ps(WIFI_PS_NONE);  // 关闭Wi-Fi省电，恢复正常
            // esp_lcd_panel_disp_on_off(panel_, true); // 重新打开显示
        });
        power_save_timer_->OnShutdownRequest([this]() {
            ESP_LOGI(TAG, "Shutting down display");            
            GetBacklight()->SetBrightness(1);
            // esp_lcd_panel_disp_on_off(panel_, false);   //关闭显示
            // power_save_timer_->SetEnabled(false);   // 禁用定时器，防止重复
            
        });
        power_save_timer_->SetEnabled(true);
    }

    void InitializeSpi() {
        spi_bus_config_t buscfg = {};
        buscfg.mosi_io_num = DISPLAY_SPI_MOSI_PIN;
        buscfg.miso_io_num = GPIO_NUM_NC;
        buscfg.sclk_io_num = DISPLAY_SPI_SCK_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 InitializeButtons() {
        boot_button_.OnClick([this]() {
            auto& app = Application::GetInstance();
            if (app.GetDeviceState() == kDeviceStateStarting && !WifiStation::GetInstance().IsConnected()) {
                ResetWifiConfiguration();
            }
            app.ToggleChatState();
        });
    }

    void InitializeSt7789Display() {
        
        // 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_SPI_CS_PIN;
        io_config.dc_gpio_num = DISPLAY_DC_PIN;
        io_config.spi_mode = 0;
        io_config.pclk_hz = 80 * 1000 * 1000;
        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_lcd_panel_reset(panel_);

        esp_lcd_panel_init(panel_);
        esp_lcd_panel_invert_color(panel_, true);
        esp_lcd_panel_swap_xy(panel_, DISPLAY_SWAP_XY);
        esp_lcd_panel_mirror(panel_, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y);
        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,
                                    {
                                        .text_font = &font_puhui_16_4,
                                        .icon_font = &font_awesome_16_4,
                                        .emoji_font = font_emoji_32_init(),
                                    });
    }

public:
    SurferC3114TFT() : boot_button_(BOOT_BUTTON_GPIO) {
        InitializePowerManager();
        InitializePowerSaveTimer(); 

        InitializeI2c();
        InitializeSpi();
        InitializeSt7789Display();
        InitializeButtons();
        
        GetBacklight()->RestoreBrightness();

        // 把 ESP32C3 的 VDD SPI 引脚作为普通 GPIO 口使用
        esp_efuse_write_field_bit(ESP_EFUSE_VDD_SPI_AS_GPIO);
    }

    virtual AudioCodec* GetAudioCodec() override {
        static Es8311AudioCodec audio_codec(
            codec_i2c_bus_, 
            I2C_NUM_0, 
            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);
        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;
    }

    virtual bool GetBatteryLevel(int& level, bool& charging, bool& discharging) override {
        static bool last_discharging = false;
        charging = power_manager_->IsCharging();
        discharging = power_manager_->IsDischarging();
        if (discharging != last_discharging) {
            power_save_timer_->SetEnabled(discharging);
            last_discharging = discharging;
        }
        level = power_manager_->GetBatteryLevel();
        return true;
    }

    virtual void SetPowerSaveMode(bool enabled) override {
        if (!enabled) {
            power_save_timer_->WakeUp();
        }
        WifiBoard::SetPowerSaveMode(enabled);
    }

};

DECLARE_BOARD(SurferC3114TFT);