#include <M5StickCPlus.h>

#include "Adafruit_SGP30.h"
#include <WiFi.h>
#include <WiFiMulti.h>
#include <WiFiClient.h>
#include <HTTPClient.h>

WiFiMulti WiFiMulti;


Adafruit_SGP30 sgp;
TFT_eSprite spu = TFT_eSprite(&M5.Lcd); // Sprite object

long last_millis = 0; // for 15sec wait timer

void setup() {
  M5.begin(115200);
  M5.Lcd.setRotation(3);
  
 
  spu.setColorDepth(8);
  spu.createSprite(240, 135);
  
  
  M5.Lcd.setTextSize(2);
  M5.Lcd.fillScreen(TFT_YELLOW);
  M5.Lcd.setTextSize(2);
  M5.Lcd.setTextColor(TFT_BLACK);
  M5.Lcd.setCursor(5, 5);
  
  while (!sgp.begin()) {  // Init the sensor.
    M5.Lcd.println("Sensor not found");
    delay(5000);
  }
  //  M5.Lcd.println("Initialization...");
  Serial.begin(115200);
  WiFi.mode(WIFI_STA);
  WiFiMulti.addAP("ics-ap", "jikkenics");
  
  // wait for WiFi connection
  Serial.print("Waiting for WiFi to connect...");
  while ((WiFiMulti.run() != WL_CONNECTED)) {
    Serial.print(".");
    delay(50);
  }
  Serial.println(" connected");

}

void loop() {
  static int i = 3;
  while (i > 0) {
    if (millis() - last_millis > 1000) {
      last_millis = millis();
      i--;
      spu.fillSprite(TFT_YELLOW);
      spu.setTextColor( BLACK, YELLOW );
      spu.setCursor(30, 4, 4);  spu.setTextSize(1);
      spu.println("Initializing...");
      
      spu.setCursor(60, 34, 4);  spu.setTextSize(2);
      spu.printf("  %d  ", i );
      spu.pushSprite(0, 0);
      delay(100);
    }
  }
  
  if (!sgp.IAQmeasure()) {  // Commands the sensor to take a single eCO2/VOC
    // measurement.  命令传感器进行一次eCO2/VOC测量
    Serial.println("Measurement failed");
    return;
  }
  
  if ( sgp.eCO2 >= 1000) {
  
  spu.fillSprite( DARKGREY ); //変更点
  spu.setCursor(93, 5, 4);  spu.setTextSize(2);
  spu.setTextColor( WHITE, BLUE );
  spu.printf(" %d \n", sgp.TVOC);
  
  spu.setCursor(93, 65, 4);  spu.setTextSize(2);
  spu.setTextColor( WHITE, BLUE );
  spu.printf(" %d \n", sgp.eCO2);
  
  spu.setTextColor( BLUE,  CYAN);
  spu.setCursor(10, 20, 4);  spu.setTextSize(1);
  spu.println("TVOC : ");
  spu.setCursor(10, 80, 4);  spu.setTextSize(1);
  spu.println("eCO2 : ");
  
  spu.pushSprite(0, 0); // 画面に反映させる
  
  } else if (  sgp.eCO2<1000 && sgp.eCO2 >= 700 ) {
    
  spu.fillSprite( DARKGREEN ); //変更点
  spu.setCursor(93, 5, 4);  spu.setTextSize(2);
  spu.setTextColor( WHITE, BLUE );
  spu.printf(" %d \n", sgp.TVOC);
  
  spu.setCursor(93, 65, 4);  spu.setTextSize(2);
  spu.setTextColor( WHITE, BLUE );
  spu.printf(" %d \n", sgp.eCO2);
  
  spu.setTextColor( BLUE,  CYAN);
  spu.setCursor(10, 20, 4);  spu.setTextSize(1);
  spu.println("TVOC : ");
  spu.setCursor(10, 80, 4);  spu.setTextSize(1);
  spu.println("eCO2 : ");
  
  spu.pushSprite(0, 0); // 画面に反映させる
  
  } else if ( sgp.eCO2<700 && sgp.eCO2 >= 450 ) {
    
  spu.fillSprite( GREEN ); // 変更点
  spu.setCursor(93, 5, 4);  spu.setTextSize(2);
  spu.setTextColor( WHITE, BLUE );
  spu.printf(" %d \n", sgp.TVOC);
  
  spu.setCursor(93, 65, 4);  spu.setTextSize(2);
  spu.setTextColor( WHITE, BLUE );
  spu.printf(" %d \n", sgp.eCO2);
  
  spu.setTextColor( BLUE,  CYAN);
  spu.setCursor(10, 20, 4);  spu.setTextSize(1);
  spu.println("TVOC : ");
  spu.setCursor(10, 80, 4);  spu.setTextSize(1);
  spu.println("eCO2 : ");
  
  spu.pushSprite(0, 0); // 画面に反映させる
  
  } else {
    
  spu.fillSprite( CYAN );
  spu.setCursor(93, 5, 4);  spu.setTextSize(2);
  spu.setTextColor( WHITE, BLUE );
  spu.printf(" %d \n", sgp.TVOC);
  
  spu.setCursor(93, 65, 4);  spu.setTextSize(2);
  spu.setTextColor( WHITE, BLUE );
  spu.printf(" %d \n", sgp.eCO2);
  
  spu.setTextColor( BLUE,  CYAN);
  spu.setCursor(10, 20, 4);  spu.setTextSize(1);
  spu.println("TVOC : ");
  spu.setCursor(10, 80, 4);  spu.setTextSize(1);
  spu.println("eCO2 : ");


  spu.pushSprite(0, 0); // 画面に反映させる
  }
  
  
  Serial.printf("TVOC: %d eCO2: %d\n", sgp.TVOC, sgp.eCO2);
    // eCO2が1000を超えたら音を鳴らす
if (sgp.eCO2 > 1000) {
M5.Beep.setBeep(523, 500);  M5.Beep.beep();  
 sendLineNotify();
}

  M5.update();
  
  if (M5.Axp.GetBtnPress() == 2) {
    M5.Axp.Write1Byte(0x32, M5.Axp.Read8bit(0x32) | 0x80); // Power Off
  }
  delay(1000);
}

int sendLineNotify() {
 HTTPClient http;

  if (http.begin("https://notify-api.line.me/api/notify")) {  
    http.addHeader("Authorization", "Bearer ssJzyHVJE5pELzp0BdX5aieaovE33Md0gcmugu1A6qv"); 
    http.addHeader("Content-Type", "application/x-www-form-urlencoded"); // format of postdata
    String postdata = "message=換気をしてください";
    int httpCode = http.POST(postdata);

    // httpCode will be negative on error
    if (httpCode > 0) {
      // HTTP header has been send and Server response header has been handled
      Serial.printf("[HTTP] GET... code: %d\n", httpCode);

      // file found at server
      if (httpCode == HTTP_CODE_OK || httpCode == HTTP_CODE_MOVED_PERMANENTLY) {
        String payload = http.getString();
        Serial.println(payload);
      }
    } else {
      Serial.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str());
    }
    http.end();
  } else {
    Serial.printf("[HTTP] Unable to connect\n");
  }
  return 0;
}