#include "RtcDS1307.h"
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include "DHT.h"
#include "Button.h"

#define I2C_ADDR    0x27
#define LCD_COLUMNS 16
#define LCD_LINES   2
#define DHTPIN 5     // Digital pin connected to the DHT sensor
#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321

DHT dht(DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);
RtcDS1307<TwoWire> Rtc(Wire);

Button hourButton(A0);
Button minuteButton(A1);
Button alarmButton(A2);

unsigned long timee;
bool flag_zhayan = false;
void setup() {
  Serial.begin(9600);
  pinMode(7, OUTPUT);
  dht.begin();
  Rtc.Begin();
  Rtc.SetIsRunning(true);

  hourButton.begin();
  hourButton.set_repeat(500, 200);
  minuteButton.begin();
  minuteButton.set_repeat(500, 200);
  alarmButton.begin();
  alarmButton.set_repeat(500, 200);

  lcd.init();
  lcd.backlight();

  lcd.setCursor(3, 0);
  lcd.print("Hello, world!");
  lcd.setCursor(2, 1);
  lcd.print("Wokwi Online IoT");
  delay(1000);
  lcd.clear();
  Rtc.SetDateTime(RtcDateTime("Jan/01/2023", "08:00:00"));
}

char flag_H = 0;
char flag_N_H = 0;
char flag_M = 0;
bool flag_H_zy = false;
int H_num = 0, M_num = 0;
int Nh = 0, Nm = 0;
bool flag_N_E = false;
bool flag_ZD_E = false;
bool flag_ZD_T = false;
bool flag_FS_E = false;
char flag_FS = 0;
int UP_T = 0, DW_T = 0;
void loop() {

  if (hourButton.pressed()) {
    lcd.clear();
    if (flag_FS == 1) {
      UP_T++;
    } else if (flag_FS == 2) {
      DW_T++;
    } else if (flag_FS == 3) {
      flag_FS_E = true;
    } else {
      if (flag_N_E) {
        digitalWrite(7, LOW);
        flag_N_E = false;
      } else {
        if (flag_M == 1) {
          flag_N_H++;
          if (flag_N_H >= 3) {
            flag_N_H = 0;
            flag_N_E = true;
          }
        } else {
          flag_H++;
          if (flag_H >= 3) flag_H = 0;

        }
      }
    }




  }

  if (minuteButton.pressed()) {
    lcd.clear();
    if (flag_FS == 1) {
      UP_T--;
    } else if (flag_FS == 2) {
      DW_T--;
    } else if (flag_FS == 3) {
      flag_FS_E = false;
    } else {
      if (flag_N_H == 1) {
        Nh++;
        if (Nh >= 24) Nh = 0;
      } else if (flag_N_H == 2) {
        Nm++;
        if (Nm >= 60) Nm = 0;
      } else {
        if (flag_H == 1) {
          H_num = Rtc.GetDateTime().Hour() + 1;
          if (H_num >= 24) H_num = 0;
          Rtc.SetDateTime(RtcDateTime("Jan/01/2023", String(String(H_num) + ":" + String(Rtc.GetDateTime().Minute()) + ":" + "00").c_str()));
        } else if (flag_H == 2) {
          M_num = Rtc.GetDateTime().Minute() + 1;
          if (M_num >= 60) M_num = 0;
          Rtc.SetDateTime(RtcDateTime("Jan/01/2023", String(String(Rtc.GetDateTime().Hour()) + ":" + String(M_num) + ":" + "00").c_str()));
        } else {
          lcd.clear();
          flag_M++;
          if (flag_M >= 2) {
            flag_M = 0;
            flag_N_H = 0;
          }
        }
      }
    }

  }
  if (alarmButton.pressed()) {
    lcd.clear();
    if (flag_ZD_T) {
      digitalWrite(7, LOW);
      flag_ZD_T = false;
    } else {
      flag_FS++;
      if (flag_FS >= 4) flag_FS = 0;
    }
  }


  float h = dht.readHumidity();
  float t = dht.readTemperature();
  if (flag_FS == 1) {
    lcd.setCursor(0, 0);
    lcd.print("UP TEMP:" + String(UP_T));
  } else if (flag_FS == 2) {
    lcd.setCursor(0, 0);
    lcd.print("DW TEMP:" + String(DW_T));

  } else if (flag_FS == 3) {
    lcd.setCursor(0, 0);
    if (flag_FS_E) {
      lcd.print("fan on");
      //电机使能
    } else {
      lcd.print("fan off");
      //电机使能
    }

  } else {
    if (flag_M == 1) {
      lcd.setCursor(0, 0);
      if (flag_N_H == 1) {
        if (flag_H_zy) {
          lcd.print("  ");
        } else {
          if (Nh / 10)lcd.print(String(Nh));
          else lcd.print("0" + String(Nh));
        }
      } else {
        if (Nh / 10)lcd.print(String(Nh));
        else lcd.print("0" + String(Nh));
      }

      if (flag_zhayan)lcd.print(String(":"));
      else lcd.print(String(" "));

      if (flag_N_H == 2) {
        if (flag_H_zy) {
          lcd.print("  ");
        } else {
          if (Nm / 10)lcd.print(String(Nm));
          else lcd.print("0" + String(Nm));
        }

      } else {
        if (Nm / 10)lcd.print(String(Nm));
        else lcd.print("0" + String(Nm));

      }
      lcd.setCursor(6, 0);
      lcd.print("*");

    } else {
      lcd.setCursor(0, 0);
      if (flag_H == 1) {
        if (flag_H_zy) {
          lcd.print("  ");
        } else {
          if (Rtc.GetDateTime().Hour() / 10)lcd.print(String(Rtc.GetDateTime().Hour()));
          else lcd.print("0" + String(Rtc.GetDateTime().Hour()));
        }
      } else {
        if (Rtc.GetDateTime().Hour() / 10)lcd.print(String(Rtc.GetDateTime().Hour()));
        else lcd.print("0" + String(Rtc.GetDateTime().Hour()));
      }

      if (flag_zhayan)lcd.print(String(":"));
      else lcd.print(String(" "));
      if (flag_H == 2) {
        if (flag_H_zy) {
          lcd.print("  ");
        } else {
          if (Rtc.GetDateTime().Minute() / 10)lcd.print(String(Rtc.GetDateTime().Minute()));
          else lcd.print("0" + String(Rtc.GetDateTime().Minute()));
        }

      } else {
        if (Rtc.GetDateTime().Minute() / 10)lcd.print(String(Rtc.GetDateTime().Minute()));
        else lcd.print("0" + String(Rtc.GetDateTime().Minute()));

      }
      if (Nh <= Rtc.GetDateTime().Hour() && Nm <= Rtc.GetDateTime().Minute()) {
        if (flag_N_E) {
          if (flag_H_zy) {
            digitalWrite(7, HIGH);
          } else {
            digitalWrite(7, LOW);
          }
        }
      }
      lcd.setCursor(0, 1);
      lcd.print("H:");
      lcd.print(h);
      lcd.print("  T:");
      lcd.print(t);
    }
  }



  if (Rtc.GetDateTime().Minute() == 0) {

    if (8 <= Rtc.GetDateTime().Hour() && 20 >= Rtc.GetDateTime().Hour()) {
      flag_ZD_E = true;

    }
  }
  if (flag_ZD_E) {
    flag_ZD_T = true;
    if (flag_ZD_T) {
      if (flag_zhayan) {
        digitalWrite(7, HIGH);
      } else {
        digitalWrite(7, LOW);
      }
    }

  }


  if (millis() - timee > 500) {
    timee = millis();
    flag_H_zy = !flag_H_zy;
    if (flag_H_zy)flag_zhayan = !flag_zhayan;

  }


}