#include <math.h>

#include "app_event.h"
#include "app_event_distribute.h"
#include "basic/device_version_info_mgr.h"
#include "ble_cmd_process_service.h"
#include "board/board_adc_module_ctrl.h"
#include "board/board_battery_state.h"
#include "board/board_beep_ctrl.h"
#include "board/board_ecg_sensor.h"
#include "board/board_light_ctrl.h"
#include "config.h"
#include "display_manager.h"
#include "heart_wave_sample_service.h"
#include "one_conduction_board.h"
#include "sample_data_manager.h"
#include "zble_module.h"
#include "zdatachannel_service.h"
#include "znordic.h"

/*******************************************************************************
 *                                   GLOBAL                                    *
 *******************************************************************************/

APP_TIMER_DEF(m_state_machine_driver_tmr);  // 状态机驱动定时器
// APP_TIMER_DEF(m_plod_state_event_detect_tmr);  // 导联连接状态检测定时器
// APP_TIMER_DEF(m_charge_event_detect_tmr);      // 充电事件检测

static int                    m_cur_fd;
static sample_data_filename_t sampledata_file_name;

#define SCHED_MAX_EVENT_DATA_SIZE MAX(sizeof(app_event_t), APP_TIMER_SCHED_EVENT_DATA_SIZE)

/*******************************************************************************
 *                                  函数声明                                   *
 *******************************************************************************/

// 业务事件处理函数

/*******************************************************************************
 *                                 事件生成器                                  *
 *******************************************************************************/
// static void m_charge_event_detect_tmr_cb(void* p_context) {  //
//   static app_event_t appevent;
//   memset(&appevent, 0, sizeof(appevent));
//   static bool ischarging = false;
// }

static void state_machine_driver_tmr_cb(void* p_context) {  //
  static app_event_t appevent;
  appevent.eventType = kevent_tmr_scheduler_event;
  AppEvent_pushEvent(&appevent);
}
/*******************************************************************************
 *                                  事件处理                                   *
 *******************************************************************************/
static bool m_poweronflag;
static void power_on() {
  if (m_poweronflag) {
    return;
  }

  BoardBeepCtrl_load();
  BoardEcgSensor_load();
  BoardBattery_load();
  hwss_init();

  sample_data_mgr_init();
  dsp_mgr_init();
  ble_cmder_init();
  ble_cmder_start_adv();
  m_poweronflag = true;
}
static void power_off() {
  if (!m_poweronflag) return;
  dsp_mgr_uninit();
  sample_data_mgr_uninit();
  hwss_uninit();

  BoardEcgSensor_unload();
  BoardBattery_unload();
  BoardLight_unload();

  BoardBeepCtrl_unload();
  ble_cmder_stop_adv();
  ble_cmder_uninit();
  m_poweronflag = false;
}
/*******************************************************************************
 *                                状态切换方法                                 *
 *******************************************************************************/
/**
 * @brief 切换到充电中状态
 */
static void state_machine__change_to_charging_state() {  //
  if (ds_now_state() == kdevice_state_home) {
    // 已开机 DO Nothing
  } else if (ds_now_state() == kdevice_state_standby) {
    power_on();
  } else {
    ZASSERT(false);
  }
  // 切换到充电显示页面
  dsp_mgr_change_to_chargingPage();
  ds_change_to_state(kdevice_state_charging);
}

/**
 * @brief 切换到待机状态
 */

static void state_machine__change_to_standby_state() {
  ZLOGI_BLOCK("change to standby");
  power_off();
  ds_change_to_state(kdevice_state_standby);
}

/**
 * @brief 切换到开机中画面
 */
static void state_machine__change_to_poweroning_state() {
  power_on();
  dsp_mgr_change_to_welcome();
  ds_change_to_state(kdevice_state_poweron);
}

/**
 * @brief 切换到首页
 */
static void state_machine__change_to_home_state() {
  ds_change_to_state(kdevice_state_home);
  dsp_mgr_change_to_main();
}

void ENTER_DEEP_SLEEP() {
  // 进入深度睡眠前，使能唤醒引脚
  BoardEcgSensor_set_sence_state();
  BoardBattery_sence_gpio_init_before_sleep();
  // nrf_sdh_disable_request();
  app_timer_stop_all();
  // nrf_sdh_disable_request();
  sd_power_system_off();
  NVIC_SystemReset();
}

static void app_event_listener(void* p_event_data, uint16_t event_size) {
  if (!p_event_data) return;
  app_event_t* p_event = (app_event_t*)p_event_data;

  if (ds_now_state() != kdevice_state_standby) {
    if (zdatachannel_is_connected()) {
      BoardLight_setGreenLightEffect(kLightEffect_slowFlash);
    } else {
      BoardLight_setGreenLightEffect(kLightEffect_quickFlash);
    }
  }

  /*******************************************************************************
   *                                  待机状态                                   *
   *******************************************************************************/
  if (ds_now_state() == kdevice_state_standby) {
    ZLOGI("standby......");
    // 充电事件触发    -->  切换到充电页面
    if (BoardBattery_get_charging_state()) {
      state_machine__change_to_charging_state();
    }

    // 导联连接事件触发 --> 切换到开机中页面
    else if (BoardEcgSensor_plod_get_connected_state()) {
      state_machine__change_to_poweroning_state();
    }

    // 10秒后，如果RTC未被设置过，则进入超低功耗
    else if (ds_cur_state_haspassed_ms() >= 2000) {
      if (!znordic_rtc_has_setted()) {
        ENTER_DEEP_SLEEP();
      }
    }
  }

  /*******************************************************************************
   *                                  充电状态                                   *
   *******************************************************************************/
  else if (ds_now_state() == kdevice_state_charging) {
    if (!BoardBattery_get_charging_state()) {
      state_machine__change_to_standby_state();
    }
  }

  /*******************************************************************************
   *                                   开机中                                    *
   *******************************************************************************/

  else if (ds_now_state() == kdevice_state_poweron) {
    if (ds_cur_state_haspassed_ms() >= 1500) {
      state_machine__change_to_home_state();
    }
  }

  /*******************************************************************************
   *                                    首页                                     *
   *******************************************************************************/

  else if (ds_now_state() == kdevice_state_home) {
    // 如果用户长时间不操作，自动切换到待机状态
    if (!zdatachannel_is_connected() &&                             //
        !BoardEcgSensor_plod_get_connected_state_after_filter() &&  //
        BoardEcgSensor_plod_state_has_disconnected_ms() >= 3000 &&  //
        ds_cur_state_haspassed_ms() >= AUTOMATIC_SLEEP_TIME) {
      state_machine__change_to_standby_state();
    }
    // 如果用户继续保持静止，切换到采集页面
    else if (BoardEcgSensor_plod_get_connected_state_after_filter() && ds_cur_state_haspassed_ms() > 1500) {
      // dsp_mgr_change_to_preparePage
      ds_change_to_state(kdevice_state_keep_still);
      dsp_mgr_change_to_preparePage();
    }
    // ZLOGI("bt:%d plod:%d has_disc:%d state:%d", zdatachannel_is_connected(), BoardEcgSensor_plod_get_connected_state_after_filter(), plod_state_has_disconnected_ms(), ds_cur_state_haspassed_ms());
  }

  /*******************************************************************************
   *                                保持静止页面                                 *
   *******************************************************************************/
  else if (ds_now_state() == kdevice_state_keep_still) {
    if (!BoardEcgSensor_plod_get_connected_state_after_filter()) {
      // 如果用户未保持静止，切换到首页
      state_machine__change_to_home_state();
    } else {
      /*******************************************************************************
       *                                 页面加载中                                  *
       *******************************************************************************/
      if (ds_cur_state_haspassed_ms() >= (KEEP_STILL_OVERTIME_MS_1P5 * 5)) {
        /**
         * @brief
         *
         *  1. 启动采样定时器
         *  2. 切换状态
         *  3. 切换页面
         */
        ds_change_to_state(kdevice_state_sampling);
        dsp_mgr_change_to_sampling(0, 0);
        hwss_start_capture();
        static ztm_t tm;
        memset(&sampledata_file_name, 0, sizeof(sampledata_file_name));
        znordic_rtc_gettime(&tm);
        sample_capture_state_reset();

        sampledata_file_name.year  = tm.tm_year + 1900 - 2000;
        sampledata_file_name.month = tm.tm_mon + 1;
        sampledata_file_name.day   = tm.tm_mday;
        sampledata_file_name.hour  = tm.tm_hour;
        sampledata_file_name.min   = tm.tm_min;
        sampledata_file_name.sec   = tm.tm_sec;
        m_cur_fd                   = sample_data_mgr_open(&sampledata_file_name, kwrflag_write_only);
        BoardBeepCtrl_setEffect(kBoardBeepEffect_oneShortBeep);

      } else if (ds_cur_state_haspassed_ms() >= (KEEP_STILL_OVERTIME_MS_1P5 * 4)) {
        if (dsp_mgr_preparePage_get_progress() != 4) {
          dsp_mgr_preparePage_set_progress(4);
        }
      } else if (ds_cur_state_haspassed_ms() >= (KEEP_STILL_OVERTIME_MS_1P5 * 3)) {
        if (dsp_mgr_preparePage_get_progress() != 3) {
          dsp_mgr_preparePage_set_progress(3);
        }
      } else if (ds_cur_state_haspassed_ms() >= (KEEP_STILL_OVERTIME_MS_1P5 * 2)) {
        if (dsp_mgr_preparePage_get_progress() != 2) {
          dsp_mgr_preparePage_set_progress(2);
        }
      } else if (ds_cur_state_haspassed_ms() >= (KEEP_STILL_OVERTIME_MS_1P5 * 1)) {
        if (dsp_mgr_preparePage_get_progress() != 1) {
          dsp_mgr_preparePage_set_progress(1);
        }
      }
    }
  }

  /*******************************************************************************
   *                                采样页面逻辑                                 *
   *******************************************************************************/

  else if (ds_now_state() == kdevice_state_sampling) {
    /*******************************************************************************
     *                                采样数据存储                                 *
     *******************************************************************************/
    if (p_event->eventType == kevent_capture_256data_event) {
      if (hwss_has_captured_time_ms() <= (MAX_STORAGE_TIMEOUT_S * 1000)) {
        sample_data_mgr_write(m_cur_fd, p_event->val.capture_data_cache, 256);
      }
    }
    /*******************************************************************************
     *                              实时采样数据上报                               *
     *******************************************************************************/
    if (p_event->eventType == kevent_capture_little_data_block_event) {
      // 单帧实时上报
      ZASSERT(LITTLE_DATA_BLOCK_FRAME_NUM == 5);
      ble_cmder_try_report_one_sample_data(p_event->val.little_data_block.frameIndex,    //
                                           p_event->val.little_data_block.data[0].data,  //
                                           p_event->val.little_data_block.data[1].data,  //
                                           p_event->val.little_data_block.data[2].data,  //
                                           p_event->val.little_data_block.data[3].data,  //
                                           p_event->val.little_data_block.data[4].data);
    }

    /*******************************************************************************
     *                             采样足30秒事件捕获                              *
     *******************************************************************************/
    if (hwss_has_captured_time_ms() >= (SAMPLE_MIN_TIME_S * 1000)) {
      if (!sample_capture_state_get()->is_over30s) {
        BoardBeepCtrl_setEffect(kBoardBeepEffect_oneShortBeep);
        sample_capture_state_set_is_over30s(true);
      }
    }

    /*******************************************************************************
     *                                采样结束判定                                 *
     *******************************************************************************/
    bool capture_end = false;
    if (hwss_has_captured_time_ms() >= (MAX_STORAGE_TIMEOUT_S * 1000)) {
      capture_end = true;
    } else if (p_event->eventType == kplod_disconnected_event) {
      ble_cmder_try_report_sensor_drop_event(0x01, 0);
      capture_end = true;
    }

    if (capture_end) {
      if (sample_capture_state_get()->is_over30s) {
        sample_data_mgr_close(m_cur_fd);
        dsp_mgr_change_to_sampleSuc();
        BoardBeepCtrl_setEffect(kBoardBeepEffect_oneShortBeep);
        ds_change_to_state(kdevice_state_sampling_complete);
        hwss_stop_capture();

      } else {
        // 采样不足三十秒

        // 停止采样
        hwss_stop_capture();
        // 关闭文件
        sample_data_mgr_close(m_cur_fd);
        // 删除文件
        sample_data_mgr_delete_file(&sampledata_file_name);
        // 切换到采集出错页面
        dsp_mgr_change_to_samplingError();
        BoardBeepCtrl_setEffect(kBoardBeepEffect_threeShortBeep);
        ds_change_to_state(kdevice_state_sampling_error);
      }
    }

  }

  /*******************************************************************************
   *                                采样完成页面                                 *
   *******************************************************************************/
  else if (ds_now_state() == kdevice_state_sampling_complete) {
    if (ds_cur_state_haspassed_ms() >= 3000) {
      ZLOGI("ds_cur_state_haspassed_ms() %d> 3000", ds_cur_state_haspassed_ms());
      state_machine__change_to_home_state();
      ble_cmder_report_sample_finish_event();
    }
  }
  /*******************************************************************************
   *                                采样错误页面                                 *
   *******************************************************************************/
  else if (ds_now_state() == kdevice_state_sampling_error) {
    if ((ds_cur_state_haspassed_ms() >= 3000) ||  //
        (ds_cur_state_haspassed_ms() >= 1000 && BoardEcgSensor_plod_get_connected_state_after_filter())) {
      ZLOGI("ds_cur_state_haspassed_ms() %d> 3000", ds_cur_state_haspassed_ms());
      state_machine__change_to_home_state();
      ble_cmder_report_sample_finish_event();
    }
  }
}
/*******************************************************************************
 *                                  MAIN_CODE                                  *
 *******************************************************************************/

void one_conduction_main() {
  BoardBeepCtrl_init();
  AppEvent_regListener(app_event_listener);

  BoardBattery_init();
  BoardEcgSensor_init();
  BoardLight_Init();
  BoardLight_load();

  ZERROR_CHECK(app_timer_create(&m_state_machine_driver_tmr, APP_TIMER_MODE_REPEATED, state_machine_driver_tmr_cb));
  ZERROR_CHECK(app_timer_start(m_state_machine_driver_tmr, APP_TIMER_TICKS(300), NULL));

  state_machine__change_to_poweroning_state();
  znordic_loop();
}