#include "wifi_board.h"
#include "display/lcd_display.h"
#include "esp_lcd_sh8601.h"
#include "font_awesome_symbols.h"

#include "audio_codecs/es8311_audio_codec.h"
#include "application.h"
#include "button.h"
#include "led/single_led.h"
#include "iot/thing_manager.h"
#include "config.h"
#include "power_save_timer.h"
#include "axp2101.h"
#include "i2c_device.h"
#include <wifi_station.h>

#include <esp_log.h>
#include <esp_lcd_panel_vendor.h>
#include <driver/i2c_master.h>
#include <driver/spi_master.h>
#include "esp_io_expander_tca9554.h"
#include "settings.h"

#define TAG "waveshare_amoled_1_8"

LV_FONT_DECLARE(font_puhui_30_4);
LV_FONT_DECLARE(font_awesome_30_4);

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
    }
};

#define LCD_OPCODE_WRITE_CMD (0x02ULL)
#define LCD_OPCODE_READ_CMD (0x03ULL)
#define LCD_OPCODE_WRITE_COLOR (0x32ULL)

static const sh8601_lcd_init_cmd_t vendor_specific_init[] = {
    {0x11, (uint8_t[]){0x00}, 0, 120},
    {0x44, (uint8_t[]){0x01, 0xD1}, 2, 0},
    {0x35, (uint8_t[]){0x00}, 1, 0},
    {0x53, (uint8_t[]){0x20}, 1, 10},
    {0x2A, (uint8_t[]){0x00, 0x00, 0x01, 0x6F}, 4, 0},
    {0x2B, (uint8_t[]){0x00, 0x00, 0x01, 0xBF}, 4, 0},
    {0x51, (uint8_t[]){0x00}, 1, 10},
    {0x29, (uint8_t[]){0x00}, 0, 10}
};

// 在waveshare_amoled_1_8类之前添加新的显示类
class CustomLcdDisplay : public SpiLcdDisplay {
public:
    CustomLcdDisplay(esp_lcd_panel_io_handle_t io_handle,
                    esp_lcd_panel_handle_t panel_handle,
                    int width,
                    int height,
                    int offset_x,
                    int offset_y,
                    bool mirror_x,
                    bool mirror_y,
                    bool swap_xy)
        : SpiLcdDisplay(io_handle, panel_handle,
                    width, height, offset_x, offset_y, mirror_x, mirror_y, swap_xy,
                    {
                        .text_font = &font_puhui_30_4,
                        .icon_font = &font_awesome_30_4,
#if CONFIG_USE_WECHAT_MESSAGE_STYLE
                        .emoji_font = font_emoji_32_init(),
#else
                        .emoji_font = font_emoji_64_init(),
#endif
                    }) {
        DisplayLockGuard lock(this);
        lv_obj_set_style_pad_left(status_bar_, LV_HOR_RES * 0.1, 0);
        lv_obj_set_style_pad_right(status_bar_, LV_HOR_RES * 0.1, 0);
    }
};

class CustomBacklight : public Backlight {
public:
    CustomBacklight(esp_lcd_panel_io_handle_t panel_io) : Backlight(), panel_io_(panel_io) {}

protected:
    esp_lcd_panel_io_handle_t panel_io_;

    virtual void SetBrightnessImpl(uint8_t brightness) override {
        auto display = Board::GetInstance().GetDisplay();
        DisplayLockGuard lock(display);
        uint8_t data[1] = {((uint8_t)((255 * brightness) / 100))};
        int lcd_cmd = 0x51;
        lcd_cmd &= 0xff;
        lcd_cmd <<= 8;
        lcd_cmd |= LCD_OPCODE_WRITE_CMD << 24;
        esp_lcd_panel_io_tx_param(panel_io_, lcd_cmd, &data, sizeof(data));
    }
};

class waveshare_amoled_1_8 : public WifiBoard {
private:
    i2c_master_bus_handle_t codec_i2c_bus_;
    Pmic* pmic_ = nullptr;
    Button boot_button_;
    CustomLcdDisplay* display_;
    CustomBacklight* backlight_;
    esp_io_expander_handle_t io_expander = NULL;
    PowerSaveTimer* power_save_timer_;

    void InitializePowerSaveTimer() {
        power_save_timer_ = new PowerSaveTimer(-1, 60, 300);
        power_save_timer_->OnEnterSleepMode([this]() {
            ESP_LOGI(TAG, "Enabling sleep mode");
            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]() {
            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,
            .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_));
    }

    void InitializeTca9554(void) {
        esp_err_t ret = esp_io_expander_new_i2c_tca9554(codec_i2c_bus_, I2C_ADDRESS, &io_expander);
        if(ret != ESP_OK)
            ESP_LOGE(TAG, "TCA9554 create returned error");
        ret = esp_io_expander_set_dir(io_expander, IO_EXPANDER_PIN_NUM_0 | IO_EXPANDER_PIN_NUM_1 |IO_EXPANDER_PIN_NUM_2, IO_EXPANDER_OUTPUT);
        ret |= esp_io_expander_set_dir(io_expander, IO_EXPANDER_PIN_NUM_4, IO_EXPANDER_INPUT);
        ESP_ERROR_CHECK(ret);
        ret = esp_io_expander_set_level(io_expander, IO_EXPANDER_PIN_NUM_0 | IO_EXPANDER_PIN_NUM_1|IO_EXPANDER_PIN_NUM_2, 1);
        ESP_ERROR_CHECK(ret);
        vTaskDelay(pdMS_TO_TICKS(100));
        ret = esp_io_expander_set_level(io_expander, IO_EXPANDER_PIN_NUM_0 | IO_EXPANDER_PIN_NUM_1|IO_EXPANDER_PIN_NUM_2, 0);
        ESP_ERROR_CHECK(ret);
        vTaskDelay(pdMS_TO_TICKS(300));
        ret = esp_io_expander_set_level(io_expander, IO_EXPANDER_PIN_NUM_0 | IO_EXPANDER_PIN_NUM_1|IO_EXPANDER_PIN_NUM_2, 1);
        ESP_ERROR_CHECK(ret);
    }

    void InitializeAxp2101() {
        ESP_LOGI(TAG, "Init AXP2101");
        pmic_ = new Pmic(codec_i2c_bus_, 0x34);
    }

    void InitializeSpi() {
        spi_bus_config_t buscfg = {};
        buscfg.sclk_io_num = GPIO_NUM_11;
        buscfg.data0_io_num = GPIO_NUM_4;
        buscfg.data1_io_num = GPIO_NUM_5;
        buscfg.data2_io_num = GPIO_NUM_6;
        buscfg.data3_io_num = GPIO_NUM_7;
        buscfg.max_transfer_sz = DISPLAY_WIDTH * DISPLAY_HEIGHT * sizeof(uint16_t);
        buscfg.flags = SPICOMMON_BUSFLAG_QUAD;
        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 InitializeSH8601Display() {
        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 = SH8601_PANEL_IO_QSPI_CONFIG(
            EXAMPLE_PIN_NUM_LCD_CS,
            nullptr,
            nullptr
        );
        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_LOGD(TAG, "Install LCD driver");
        const sh8601_vendor_config_t vendor_config = {
            .init_cmds = &vendor_specific_init[0],
            .init_cmds_size = sizeof(vendor_specific_init) / sizeof(sh8601_lcd_init_cmd_t),
            .flags ={
                .use_qspi_interface = 1,
            }
        };

        esp_lcd_panel_dev_config_t panel_config = {};
        panel_config.reset_gpio_num = GPIO_NUM_NC;
        panel_config.flags.reset_active_high = 1,
        panel_config.rgb_ele_order = LCD_RGB_ELEMENT_ORDER_RGB;
        panel_config.bits_per_pixel = 16;
        panel_config.vendor_config = (void *)&vendor_config;
        ESP_ERROR_CHECK(esp_lcd_new_panel_sh8601(panel_io, &panel_config, &panel));

        esp_lcd_panel_reset(panel);
        esp_lcd_panel_init(panel);
        esp_lcd_panel_invert_color(panel, false);
        esp_lcd_panel_mirror(panel, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y);
        esp_lcd_panel_disp_on_off(panel, true);
        display_ = new CustomLcdDisplay(panel_io, panel,
                                    DISPLAY_WIDTH, DISPLAY_HEIGHT, DISPLAY_OFFSET_X, DISPLAY_OFFSET_Y, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y, DISPLAY_SWAP_XY);
        backlight_ = new CustomBacklight(panel_io);
        backlight_->RestoreBrightness();
    }

    // 物联网初始化，添加对 AI 可见设备
    void InitializeIot() {
        auto& thing_manager = iot::ThingManager::GetInstance();
        thing_manager.AddThing(iot::CreateThing("Speaker"));
        thing_manager.AddThing(iot::CreateThing("Screen"));
        thing_manager.AddThing(iot::CreateThing("Battery"));
        thing_manager.AddThing(iot::CreateThing("BoardControl"));
    }

public:
    waveshare_amoled_1_8() :
        boot_button_(BOOT_BUTTON_GPIO) {
        InitializePowerSaveTimer();
        InitializeCodecI2c();
        InitializeTca9554();
        InitializeAxp2101();
        InitializeSpi();
        InitializeSH8601Display();
        InitializeButtons();
        InitializeIot();
    }

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

DECLARE_BOARD(waveshare_amoled_1_8);