/*
Program Name: Medical Records
Process: Design a generalized template class named MedicalRecord - a data 
         structure for managing patient medical information.
Function Input/Parameters: ???
Function Output/Parameters: ???
Function Output/Returned: ???
Device Input/Device: ???
Device Output/Monitor: ???
Dependencies: ???
*/

#include <cstdio>
#include <cstdlib>
#include <iostream>
#include <cstring>
#include <vector>
#include <random>
#include <algorithm>
#include <time.h>

using namespace std;

// class definitions
template <class T>
class MedicalRecord
{
private:
    T *arr;
    int arraySize;
public:
    MedicalRecord()
    {
        //
        arr = NULL;
        arraySize = 0;
    }
    MedicalRecord(int size)
    {
        //
        arr = new T[size];
        arraySize = size;
    }
    MedicalRecord(int size, T newArray[])
    {
        arraySize = size;
        arr = new T[size];
        for(int copyIterator = 0; copyIterator < size; copyIterator++)
        {
            arr[copyIterator] = newArray[copyIterator];
        }
    }
    // MedicalRecord(const MedicalRecord &rec)
    // {
    //     //
    //     MedicalRecord(rec.arraySize, rec.arr);
    // }
    ~MedicalRecord()
    {
        // for(int deleteIterator = 0; deleteIterator < arraySize; deleteIterator++)
        // {
        //     delete arr[deleteIterator];
        // }
        delete arr;
        arr = NULL;
        arraySize = 0;
    }
    // accessor methods
    int getNumberPatients()
    {
        return arraySize;
    }
    T getPatientAt(int pos)
    {
        if(pos < arraySize)
        {
            if(pos > arraySize)
            {
                //
                return arr[pos];
            }
        }
    }
    // mutator methods
    // operator overloads
    T &operator[](size_t arrSize)
    {
        return arr[arrSize];
    }
    // const T &operator[](size_t arrSize)
    // {
    //     return const arr[arrSize];
    // }
};

// function definitions

// main function
int main()
{
    bool exitValue = false;
    int numRecords = 0;
    int currentRecord = 0;
    int inputRecord = 0;
    // string details
    string fullString = "";
    string patName = "";
    int patAge = 0;
    string patDetails = "";
    // ask user for number of records
    cout << "Please enter number of records: ";
    cin >> numRecords;
    cin.ignore();
    cout << endl;
    // create the medical records object
    MedicalRecord<string> record(numRecords);
    // create the display medical record object.
    while (!exitValue || currentRecord != numRecords)
    {
        // ask the user for the relevant information.
        cout << "Please enter patient name: ";
        cin >> patName;
        cout << endl;
        cout << "Please enter patient age: ";
        cin >> patAge;
        cout << "Please enter patient details: ";
        cin >> patDetails;
        cout << endl;
        
        // assign fullString to the record[currentRecord].
        fullString = patName + " " + to_string(patAge) + " " + patDetails;
        record[currentRecord] = fullString;

        // ask for index to get data out of array using record[inputIndex]
        cout << "Enter index to access record: ";
        cin >> inputRecord;

        // copy data from record to display, then access data and output using display[currentRecord]
        string *tempArray = new string[record.getNumberPatients()];
        for(int copyString = 0; copyString < record.getNumberPatients(); copyString++)
        {
            tempArray[copyString] = record.getPatientAt(copyString);
        }
        MedicalRecord<string> display(numRecords, tempArray);
        
        // erase the patient details after moving into string.
        fullString = "";
        patName = "";
        patAge = 0;
        patDetails = "";
        // increment the current record
        currentRecord = currentRecord + 1;
        // ask user if they want to continue.
            // if no, then set the exitValue to true.
    }
    
    return 0;
}