#include <Arduino.h>
#include <Wire.h>
#include "RTClib.h"

String iniContent = 
"[FirstMed]\n"
"Name = 'Paracetamol'\n"
"Notif_time = 07:00:00, 13:00:00, 17:00:00, 20:00:00\n"
"When = 'Before Meal'\n"
"[SecondMed]\n"
"Name = 'Vitamin C'\n"
"Notif_time = 20:00:00\n"
"When = 'Before Bed'\n"
"[ThirdMed]\n"
"Name = 'Star'\n"
"Notif_time = 17:00:00, 20:00:00\n"
"When = 'After Meal'\n";

// Variable to keep track of med info
String FirstMedName;
String SecondMedName;
String ThirdMedName;
String FirstMedWhen;
String SecondMedWhen;
String ThirdMedWhen;

// Arrays to keep track of notification time for each med
String notif1[4];
String notif2[4];
String notif3[4];

void setup() {
  Serial.begin(115200);
  parseIni(iniContent); // Save Config file contents into arrays and vars
  printMedications();
}

void loop() {
  // Your loop code
}

void parseIni(String ini) {
  String lines[12]; // Adjust size based on expected lines
  int lineCount = 0;

  // Split the string by newline characters
  int startIndex = 0;
  int endIndex = ini.indexOf('\n');
  while (endIndex != -1) {
    lines[lineCount++] = ini.substring(startIndex, endIndex);
    startIndex = endIndex + 1;
    endIndex = ini.indexOf('\n', startIndex);
  }
  lines[lineCount++] = ini.substring(startIndex); // Last line

  // Process each section
  for (int i = 0; i < lineCount; i++) {
    if (lines[i].startsWith("[FirstMed]")) {
      FirstMedName = getValue(lines[++i]); // Get name
      fillNotifArray(notif1, lines[++i]); // Get notif_time
      FirstMedWhen = getValue(lines[++i]); // Get when
    } else if (lines[i].startsWith("[SecondMed]")) {
      SecondMedName = getValue(lines[++i]); // Get name
      fillNotifArray(notif2, lines[++i]); // Get notif_time
      SecondMedWhen = getValue(lines[++i]); // Get when
    } else if (lines[i].startsWith("[ThirdMed]")) {
      ThirdMedName = getValue(lines[++i]); // Get name
      fillNotifArray(notif3, lines[++i]); // Get notif_time
      ThirdMedWhen = getValue(lines[++i]); // Get when
    }
  }
}

// Function to extract the value after '='
String getValue(String line) {
  return line.substring(line.indexOf('=') + 2, line.length());
}

// Function to fill notification time arrays
void fillNotifArray(String notif[], String line) {
  // Initialize the array with empty strings
  for (int i = 0; i < 4; i++) {
    notif[i] = "";
  }

  // Split the notif_time string by commas
  int startIndex = line.indexOf('=') + 2; // Start after '='
  int endIndex = line.indexOf(',', startIndex);
  int index = 0;

  while (endIndex != -1 && index < 4) {
    notif[index++] = line.substring(startIndex, endIndex); // Extract time
    startIndex = endIndex + 2; // Move past the comma and space
    endIndex = line.indexOf(',', startIndex);
  }

  // Add the last time (if exists)
  if (startIndex < line.length() && index < 4) {
    notif[index] = line.substring(startIndex); // Add the last one
  }
}

void printMedications() {
  // Print FirstMed
  Serial.println("First Medication:");
  Serial.print("Name: ");
  Serial.println(FirstMedName);
  Serial.print("When: ");
  Serial.println(FirstMedWhen);
  Serial.print("Notification Times: ");
  for (int i = 0; i < 4; i++) {
    Serial.print(notif1[i]);
    if (i < 3) Serial.print(", "); // Print comma between times
  }
  Serial.println("\n");

  // Print SecondMed
  Serial.println("Second Medication:");
  Serial.print("Name: ");
  Serial.println(SecondMedName);
  Serial.print("When: ");
  Serial.println(SecondMedWhen);
  Serial.print("Notification Times: ");
  for (int i = 0; i < 4; i++) {
    Serial.print(notif2[i]);
    if (i < 3) Serial.print(", "); // Print comma between times
  }
  Serial.println("\n");

  // Print ThirdMed
  Serial.println("Third Medication:");
  Serial.print("Name: ");
  Serial.println(ThirdMedName);
  Serial.print("When: ");
  Serial.println(ThirdMedWhen);
  Serial.print("Notification Times: ");
  for (int i = 0; i < 4; i++) {
    Serial.print(notif3[i]);
    if (i < 3) Serial.print(", "); // Print comma between times
  }
  Serial.println("\n");
}