#include <driver/gpio.h>
#include <driver/i2c_master.h>
#include <driver/rtc_io.h>
#include <driver/spi_common.h>
#include <esp_lcd_panel_io.h>
#include <esp_lcd_panel_ops.h>
#include <esp_lcd_panel_vendor.h>
#include <esp_log.h>
#include <esp_sleep.h>
#include <wifi_station.h>

#include "application.h"
#include "button.h"
#include "codecs/es8311_audio_codec.h"
#include "config.h"
#include "display/lcd_display.h"
#include "lamp_controller.h"
#include "led/single_led.h"
#include "mcp_server.h"
#include "power_manager.h"
#include "power_save_timer.h"
#include "system_reset.h"
#include "wifi_board.h"

#define TAG "AIPI-Lite"

class AIPILite : public WifiBoard {
   private:
    i2c_master_bus_handle_t i2c_bus_;
    Button boot_button_;
    Button power_button_;
    LcdDisplay* display_;
    PowerManager* power_manager_;
    PowerSaveTimer* power_save_timer_;
    esp_lcd_panel_handle_t panel_ = nullptr;

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

    void InitializePowerSaveTimer() {
        power_save_timer_ = new PowerSaveTimer(-1, 60, 300);
        power_save_timer_->OnEnterSleepMode([this]() {
            GetDisplay()->SetPowerSaveMode(true);
            GetBacklight()->SetBrightness(1);
        });
        power_save_timer_->OnExitSleepMode([this]() {
            GetDisplay()->SetPowerSaveMode(false);
            GetBacklight()->RestoreBrightness();
        });
        power_save_timer_->OnShutdownRequest([this]() {
            ESP_LOGI(TAG, "Shutting down");
            esp_lcd_panel_disp_on_off(panel_, false);  // 关闭显示
            rtc_gpio_set_level(POWER_CONTROL_PIN, 0);
            rtc_gpio_hold_dis(POWER_CONTROL_PIN);
            esp_deep_sleep_start();
        });
        power_save_timer_->SetEnabled(true);
    }

    void InitializeI2c() {
        // Initialize I2C peripheral
        i2c_master_bus_config_t i2c_bus_cfg = {
            .i2c_port = (i2c_port_t)1,
            .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() {
        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_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(SPI3_HOST, &buscfg, SPI_DMA_CH_AUTO));
    }

    void InitializeLcdDisplay() {
        esp_lcd_panel_io_handle_t panel_io = 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_SPI_CS_PIN;
        io_config.dc_gpio_num = DISPLAY_SPI_DC_PIN;
        io_config.spi_mode = DISPLAY_SPI_MODE;
        io_config.pclk_hz = 40 * 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(SPI3_HOST, &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_SPI_RESET_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_lcd_panel_reset(panel_);

        esp_lcd_panel_init(panel_);
        esp_lcd_panel_invert_color(panel_, DISPLAY_INVERT_COLOR);
        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);
    }

    void InitializeButtons() {
        boot_button_.OnClick([this]() {
            power_save_timer_->WakeUp();
            auto& app = Application::GetInstance();
            if (app.GetDeviceState() == kDeviceStateStarting &&
                !WifiStation::GetInstance().IsConnected()) {
                ResetWifiConfiguration();
            }
            app.ToggleChatState();
        });

        // 设置开机按钮的长按事件（直接进入配网模式）
        boot_button_.OnLongPress([this]() {
            // 唤醒电源保存定时器
            power_save_timer_->WakeUp();
            // 获取应用程序实例
            auto& app = Application::GetInstance();

            // 进入配网模式
            app.SetDeviceState(kDeviceStateWifiConfiguring);

            // 重置WiFi配置以确保进入配网模式
            ResetWifiConfiguration();
        });

        power_button_.OnClick([this]() { power_save_timer_->WakeUp(); });
        power_button_.OnLongPress([this]() {
            auto& app = Application::GetInstance();
            if (app.GetDeviceState() != kDeviceStateStarting &&
                !(power_manager_->IsCharging() &&
                  power_manager_->GetBatteryLevel() < 100)) {
                ESP_LOGI(TAG, "Power button long pressed, shutting down");
                esp_lcd_panel_disp_on_off(panel_, false);  // 关闭显示
                rtc_gpio_set_level(POWER_CONTROL_PIN, 0);
                rtc_gpio_hold_dis(POWER_CONTROL_PIN);
                esp_deep_sleep_start();
            }
        });
    }

    void InitializePowerCtl() {
        ESP_LOGI(TAG, "Initialize Power Control GPIO");
        rtc_gpio_init(POWER_CONTROL_PIN);
        rtc_gpio_set_direction(POWER_CONTROL_PIN, RTC_GPIO_MODE_OUTPUT_ONLY);
        rtc_gpio_set_level(POWER_CONTROL_PIN, 1);
    }

    // 物联网初始化，添加对 AI 可见设备
    void InitializeTools() {}

   public:
    AIPILite()
        : boot_button_(BOOT_BUTTON_GPIO), power_button_(POWER_BUTTON_GPIO) {
        InitializePowerCtl();
        InitializePowerManager();
        InitializePowerSaveTimer();
        InitializeI2c();
        InitializeSpi();
        InitializeLcdDisplay();
        InitializeButtons();
        InitializeTools();
        if (DISPLAY_BACKLIGHT_PIN != GPIO_NUM_NC) {
            GetBacklight()->RestoreBrightness();
        }
    }

    virtual Led* GetLed() override {
        static SingleLed led(BUILTIN_LED_GPIO);
        return &led;
    }

    virtual AudioCodec* GetAudioCodec() override {
        static Es8311AudioCodec audio_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, false);
        return &audio_codec;
    }

    virtual Display* GetDisplay() override { return display_; }

    virtual Backlight* GetBacklight() override {
        if (DISPLAY_BACKLIGHT_PIN != GPIO_NUM_NC) {
            static PwmBacklight backlight(DISPLAY_BACKLIGHT_PIN,
                                          DISPLAY_BACKLIGHT_OUTPUT_INVERT);
            return &backlight;
        }
        return nullptr;
    }

    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(AIPILite);