#include "wifi_board.h"
#include "display/lcd_display.h"
#include "codecs/box_audio_codec.h"
#include "application.h"
#include "button.h"
#include "led/single_led.h"
#include "mcp_server.h"
#include "config.h"
#include "power_save_timer.h"
#include "axp2101.h"
#include "i2c_device.h"
#include <esp_log.h>
#include <esp_lcd_panel_vendor.h>
#include <driver/i2c_master.h>
#include <driver/spi_master.h>
#include "settings.h"

#include <esp_lcd_touch_cst816s.h>
#include <esp_lvgl_port.h>
#include <lvgl.h>

#define TAG "WaveshareEsp32c6TouchLCD1inch83"

class Pmic : public Axp2101 {
public:
    Pmic(i2c_master_bus_handle_t i2c_bus, uint8_t addr) : Axp2101(i2c_bus, addr) {
        WriteReg(0x22, 0b110); // PWRON > OFFLEVEL as POWEROFF Source enable
        WriteReg(0x27, 0x10);  // hold 4s to power off

        // Disable All DCs but DC1
        WriteReg(0x80, 0x01);
        // Disable All LDOs
        WriteReg(0x90, 0x00);
        WriteReg(0x91, 0x00);

        // Set DC1 to 3.3V
        WriteReg(0x82, (3300 - 1500) / 100);

        // Set ALDO1 to 3.3V
        WriteReg(0x92, (3300 - 500) / 100);

        // Enable ALDO1(MIC)
        WriteReg(0x90, 0x01);

        WriteReg(0x64, 0x02); // CV charger voltage setting to 4.1V

        WriteReg(0x61, 0x02); // set Main battery precharge current to 50mA
        WriteReg(0x62, 0x08); // set Main battery charger current to 400mA ( 0x08-200mA, 0x09-300mA, 0x0A-400mA )
        WriteReg(0x63, 0x01); // set Main battery term charge current to 25mA
    }
};

class WaveshareEsp32c6TouchLCD1inch83 : public WifiBoard {
private:
    i2c_master_bus_handle_t i2c_bus_;
    Pmic* pmic_ = nullptr;
    Button boot_button_;
    Display* display_;
    PowerSaveTimer* power_save_timer_;

    void InitializePowerSaveTimer() {
        power_save_timer_ = new PowerSaveTimer(-1, 60, 300);
        power_save_timer_->OnEnterSleepMode([this]() {
            GetDisplay()->SetPowerSaveMode(true);
            GetBacklight()->SetBrightness(20); });
        power_save_timer_->OnExitSleepMode([this]() {
            GetDisplay()->SetPowerSaveMode(false);
            GetBacklight()->RestoreBrightness(); });
        power_save_timer_->OnShutdownRequest([this](){ 
            pmic_->PowerOff(); });
        power_save_timer_->SetEnabled(true);
    }

    void InitializeCodecI2c() {
        // 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,
            .flags = {
                .enable_internal_pullup = 1,
            },
        };
        ESP_ERROR_CHECK(i2c_new_master_bus(&i2c_bus_cfg, &i2c_bus_));
    }

    void InitializeAxp2101() {
        ESP_LOGI(TAG, "Init AXP2101");
        pmic_ = new Pmic(i2c_bus_, 0x34);
    }

    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_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(DISPLAY_SPI_MODE, &buscfg, SPI_DMA_CH_AUTO));
    }

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

#if CONFIG_USE_DEVICE_AEC
        boot_button_.OnDoubleClick([this]() {
            auto& app = Application::GetInstance();
            if (app.GetDeviceState() == kDeviceStateIdle) {
                app.SetAecMode(app.GetAecMode() == kAecOff ? kAecOnDeviceSide : kAecOff);
            }
        });
#endif
    }

    void InitializeDisplay() {
        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 = 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(DISPLAY_SPI_MODE, &io_config, &panel_io));

        // 初始化液晶屏驱动芯片
        ESP_LOGD(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 = 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_mirror(panel, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y);
        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 InitializeTouch() {
        esp_lcd_touch_handle_t tp;
        esp_lcd_touch_config_t tp_cfg = {
            .x_max = DISPLAY_WIDTH - 1,
            .y_max = DISPLAY_HEIGHT - 1,
            .rst_gpio_num = DISPLAY_TOUCH_RST_PIN,
            .int_gpio_num = DISPLAY_TOUCH_INT_PIN,
            .levels = {
                .reset = 0,
                .interrupt = 0,
            },
            .flags = {
                .swap_xy = 0,
                .mirror_x = 0,
                .mirror_y = 0,
            },
        };
        esp_lcd_panel_io_handle_t tp_io_handle = NULL;
        esp_lcd_panel_io_i2c_config_t tp_io_config = ESP_LCD_TOUCH_IO_I2C_CST816S_CONFIG();
        tp_io_config.scl_speed_hz = 400*  1000;
        ESP_ERROR_CHECK(esp_lcd_new_panel_io_i2c(i2c_bus_, &tp_io_config, &tp_io_handle));
        ESP_LOGI(TAG, "Initialize touch controller");
        ESP_ERROR_CHECK(esp_lcd_touch_new_i2c_cst816s(tp_io_handle, &tp_cfg, &tp));
        const lvgl_port_touch_cfg_t touch_cfg = {
            .disp = lv_display_get_default(),
            .handle = tp,
        };
        lvgl_port_add_touch(&touch_cfg);
        ESP_LOGI(TAG, "Touch panel initialized successfully");
    }

    // 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:
    WaveshareEsp32c6TouchLCD1inch83() : boot_button_(BOOT_BUTTON_GPIO) {
        InitializePowerSaveTimer();
        InitializeCodecI2c();
        InitializeAxp2101();
        InitializeSpi();
        InitializeDisplay();
        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, 
            AUDIO_INPUT_REFERENCE);
        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 = pmic_->IsCharging();
        discharging = pmic_->IsDischarging();
        if (discharging != last_discharging)
        {
            power_save_timer_->SetEnabled(discharging);
            last_discharging = discharging;
        }

        level = pmic_->GetBatteryLevel();
        return true;
    }
    
    virtual void SetPowerSaveLevel(PowerSaveLevel level) override {
        if (level != PowerSaveLevel::LOW_POWER) {
            power_save_timer_->WakeUp();
        }
        WifiBoard::SetPowerSaveLevel(level);
    }
    
};

DECLARE_BOARD(WaveshareEsp32c6TouchLCD1inch83);
