// ESP32 with custom flash size
//
// Check out "flashSize" attr in diagram.json
#include "SPIFFS.h"
#include "time.h"
const char* passPath = "/pass.txt";
String pass;
int ln;
String weekdays;


String readFile(fs::FS &fs, const char * path){
  Serial.printf("Reading file: %s\r\n", path);

  File file = fs.open(path);
  if(!file || file.isDirectory()){
    Serial.println("- failed to open file for reading");
    return String();
  }
  
  String fileContent;
  while(file.available()){
    fileContent = file.readStringUntil('\0');
    break;     
  }
  return fileContent;
}
void writeFile(fs::FS &fs, const char * path, const char * message){
  Serial.printf("Writing file: %s\r\n", path);

  File file = fs.open(path, "a");
  if(!file){
    Serial.println("- failed to open file for writing");
    return;
  }
  ln++;
  char messageOut[20];
  sprintf(messageOut, "%d%s", ln, message );
  if(file.print(messageOut)){
    Serial.println("- file written");
  } else {
    Serial.println("- frite failed");
  }
}

String showTime(){
   struct tm timeinfo;
  if(!getLocalTime(&timeinfo)){
        Serial.println("Failed to obtain time");
        //return String();     
         }
          char timeStringBuff[50]; //50 chars should be enough
      strftime(timeStringBuff, sizeof(timeStringBuff), "%A, %B %d %Y %H:%M:%S", &timeinfo);
      Serial.println(timeStringBuff);
      //        showTime=strftime(&timeinfo1, "%A, %B %d %Y %H:%M:%S")
        return (timeStringBuff);
}

void weekdaysDecoder(const char * message){
  char formated[20];
  for(int i=0;i<strlen(message);i++){

      if(message[i]=='1'){
        Serial.printf("%d,",i);
        formated[i]=i;

      }

   
    }
    Serial.println(formated);
  }



void setup() {
  Serial.begin(115200);
showTime();
 ln=0;
  printf("Flash size: %d bytes\n", spi_flash_get_chip_size());
  initSPIFFS();
  writeFile(SPIFFS, passPath, "Hallo WOrlds\n");
}

  void initSPIFFS() {
  if (!SPIFFS.begin(true)) {
    Serial.println("An error has occurred while mounting SPIFFS");
  } else{
  Serial.println("SPIFFS mounted successfully");
  }
}
 
void loop() {
  delay(1000);
  showTime();
    pass = readFile(SPIFFS, passPath);
  Serial.print(pass);
  writeFile(SPIFFS, passPath, "Hallo WOrlds\n");
  weekdaysDecoder("1010101");
}