#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 "mcp_server.h"

#include <esp_log.h>
#include "i2c_device.h"
#include <driver/i2c_master.h>
#include <wifi_station.h>
#include <esp_lcd_panel_vendor.h>
#include <esp_lcd_panel_io.h>
#include <esp_lcd_panel_ops.h>

#include <esp_timer.h>

#include "power_save_timer.h"
#include "assets/lang_config.h"

#include <esp_lcd_touch_cst816s.h>
#include <esp_lvgl_port.h>
#include "driver/gpio.h"

#include "iot_button.h"

#include "power_manager.h"
#include "esp_ota_ops.h"

#define TAG "waveshare_esp32_c6_touch_lcd_1_54"

class CustomButton: public Button{
public:
    void OnPressDownDel(void) {
        if (button_handle_ == nullptr) {
            return;
        }
        on_press_down_ = NULL;
        iot_button_unregister_cb(button_handle_, BUTTON_PRESS_DOWN, nullptr);
    }
    void OnPressUpDel(void) {
        if (button_handle_ == nullptr) {
            return;
        }
        on_press_up_ = NULL;
        iot_button_unregister_cb(button_handle_, BUTTON_PRESS_UP, nullptr);
    }
};



class CustomBoard : public WifiBoard {
private:
    CustomButton boot_button_;
    CustomButton key_plus_button_;
    i2c_master_bus_handle_t i2c_bus_;
    LcdDisplay* display_;
    PowerManager* power_manager_ = nullptr;
    PowerSaveTimer* power_save_timer_ = nullptr;

    void InitializePowerManager() {
        power_manager_ = new PowerManager(BATTERY_CHARGING_PIN, BATTERY_ADC_PIN, BATTERY_EN_PIN);
        power_manager_->PowerON();
    }

    void InitializePowerSaveTimer() {
        power_save_timer_ = new PowerSaveTimer(-1, 60, 300);
        power_save_timer_->OnEnterSleepMode([this]() {
            auto display = GetDisplay();
            display->SetChatMessage("system", "");
            display->SetEmotion("sleepy");
            GetBacklight()->SetBrightness(20);
        });
        power_save_timer_->OnExitSleepMode([this]() {
            auto display = GetDisplay();
            display->SetChatMessage("system", "");
            display->SetEmotion("neutral");
            GetBacklight()->RestoreBrightness();
        });
        power_save_timer_->OnShutdownRequest([this]() {
            power_manager_->PowerOff();
        });
        power_save_timer_->SetEnabled(true);
    }

    void InitializeI2c() {
        // Initialize I2C peripheral
        i2c_master_bus_config_t i2c_bus_cfg = {
            .i2c_port = (i2c_port_t)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, &i2c_bus_));
    }
    
    void InitializeSpi() {
        ESP_LOGI(TAG, "Initialize SPI bus");
        spi_bus_config_t buscfg = {};
        buscfg.mosi_io_num = DISPLAY_MOSI_PIN;
        buscfg.miso_io_num = DISPLAY_MISO_PIN;
        buscfg.sclk_io_num = DISPLAY_CLK_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 InitializeTouch()
    {
        esp_err_t ret = ESP_OK;
        esp_lcd_touch_handle_t touch_handle;

        esp_lcd_panel_io_handle_t tp_io_handle = NULL;

        esp_lcd_panel_io_i2c_config_t tp_io_config = {
            .dev_addr = ESP_LCD_TOUCH_IO_I2C_CST816S_ADDRESS,
            .on_color_trans_done = 0,
            .user_ctx = 0,
            .control_phase_bytes = 1,
            .dc_bit_offset = 0,
            .lcd_cmd_bits = 8,
            .lcd_param_bits = 0,
            .flags =
            {
                .dc_low_on_data = 0,
                .disable_control_phase = 1,
            },
        };
        tp_io_config.scl_speed_hz = 100000;
        ESP_ERROR_CHECK(esp_lcd_new_panel_io_i2c(i2c_bus_, &tp_io_config, &tp_io_handle));

        esp_lcd_touch_config_t tp_cfg = {
            .x_max = DISPLAY_WIDTH,
            .y_max = DISPLAY_HEIGHT,
            .rst_gpio_num = TOOUCH_RST_PIN,
            .int_gpio_num = TOOUCH_INT_PIN,
            .flags = {
                .swap_xy = 0,
                .mirror_x = 0,
                .mirror_y = 0,
            },
        };
        ESP_LOGI(TAG, "Initialize touch controller CST816");
        ret = esp_lcd_touch_new_i2c_cst816s(tp_io_handle, &tp_cfg, &touch_handle);
        if (ret == ESP_OK)
        {
            const lvgl_port_touch_cfg_t touch_cfg = {
                .disp = lv_display_get_default(), 
                .handle = touch_handle,
            };
            lvgl_port_add_touch(&touch_cfg);
            ESP_LOGI(TAG, "Touch panel initialized successfully");
        }
    }

    void InitializeLcdDisplay() {
        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_LOGI(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 = DISPLAY_SPI_MODE;
        io_config.pclk_hz = 24 * 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
        ESP_LOGI(TAG, "Install LCD driver");
        esp_lcd_panel_dev_config_t panel_config = {};
        panel_config.reset_gpio_num = DISPLAY_RST_PIN;
        panel_config.rgb_ele_order = DISPLAY_RGB_ORDER;
        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_invert_color(panel, DISPLAY_INVERT_COLOR));
        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_disp_on_off(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 codec = Board::GetInstance().GetAudioCodec();
            auto volume = codec->output_volume() - 10;
            if (volume < 0) {
                volume = 0;
            }
            codec->SetOutputVolume(volume);
            GetDisplay()->ShowNotification(Lang::Strings::VOLUME + std::to_string(volume/10));
        });

        boot_button_.OnLongPress([this]() {
            Board::GetInstance().GetAudioCodec()->SetOutputVolume(0);
            GetDisplay()->ShowNotification(Lang::Strings::MUTED);
        });

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

        key_plus_button_.OnClick([this]() {
            auto codec = Board::GetInstance().GetAudioCodec();
            auto volume = codec->output_volume() + 10;
            if (volume > 100) {
                volume = 100;
            }
            codec->SetOutputVolume(volume);
            GetDisplay()->ShowNotification(Lang::Strings::VOLUME + std::to_string(volume/10));
        });

        key_plus_button_.OnLongPress([this]() {
            Board::GetInstance().GetAudioCodec()->SetOutputVolume(100);
            GetDisplay()->ShowNotification(Lang::Strings::MAX_VOLUME);
        });
    }

    // 初始化工具
    void InitializeTools() {
        auto &mcp_server = McpServer::GetInstance();
        mcp_server.AddTool("self.system.reconfigure_wifi",
            "Reboot the device and enter WiFi configuration mode.\n"
            "**CAUTION** You must ask the user to confirm this action.",
            PropertyList(), [this](const PropertyList& properties) {
                EnterWifiConfigMode();
                return true;
            });
    }

public:
    CustomBoard() :
        boot_button_(BOOT_BUTTON_GPIO),
        key_plus_button_(KEY_PLUS_BUTTON_GPIO) {
        InitializePowerManager();
        InitializePowerSaveTimer();
        InitializeI2c();
        InitializeSpi();
        InitializeLcdDisplay();
        InitializeTouch();
        InitializeButtons();
        InitializeTools();
        GetBacklight()->RestoreBrightness();
    }

    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, 
            true);
        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 SetPowerSaveLevel(PowerSaveLevel level) override {
        if (level != PowerSaveLevel::LOW_POWER) {
            power_save_timer_->WakeUp();
        }
        WifiBoard::SetPowerSaveLevel(level);
    }
};

DECLARE_BOARD(CustomBoard);
