#include <Wire.h>
#include <Adafruit_MPU6050.h>
#include <Adafruit_Sensor.h>
#include <LiquidCrystal_I2C.h>
#include <esp_sleep.h>
#include <WiFi.h>
#include "time.h"
#include "DHTesp.h"
//初始化 MPU6050
Adafruit_MPU6050 mpu;
//LiquidCrystal lcd(12,11,5,4,3,2);
LiquidCrystal_I2C lcd(0x27,16,2);
const int DHT_PIN = 15;
DHTesp dhtSensor;
float angle = 0;
float last_angle = 0;
float step_length = 0.65;
int steps = 0;
struct tm timeinfo;
char ssid [] = "Wokwi-GUEST";
char pwd [] = "";

void setup() {
  
  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);

  WiFi.begin(ssid,pwd);
  while(WiFi.status()!=WL_CONNECTED){
   Serial.print("Connecting.");
   delay(100);
  }
  Serial.print("Connected");
  configTime(8*3600,0,"pool.ntp.org");

  while(!time(nullptr)){
    delay(1000);
  }
  Serial.begin(9600);
  if(!mpu.begin()){
    Serial.println("Failed to find MPU6050 chip");
    while(1){
      delay(10);
    }
  }
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0,0);
  //lcd.print("Step Counter");
}


void loop() {

  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  Serial.println("Temp: " + String(data.temperature, 2) + "°C");
  Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  Serial.println("---");
  delay(1000);
  
  if(!getLocalTime(&timeinfo)){
  lcd.print("Failed to get time");
  return;
  }
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("Time:");
  lcd.print(String(timeinfo.tm_hour)+":"+String(timeinfo.tm_min)+":"+String(timeinfo.tm_sec));

  esp_sleep_enable_timer_wakeup(60000000);
  esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH,ESP_PD_OPTION_ON);
  esp_deep_sleep_start();
  delay(1000);

  sensors_event_t event,event2,event3;
  mpu.getEvent(&event,&event2,&event3);

  float raw_angle = atan2(event.acceleration.y,event.acceleration.z);
  angle = raw_angle * 180/PI;

  if(angle > 0 && last_angle < 0){
    steps++;
    lcd.setCursor(0,1);
    lcd.print("Steps:");
    lcd.print(steps);
  }

  last_angle = angle;

  delay(10); 
}