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#include <iostream>
#include <fstream>
#include <string>
using namespace std;
const int CAPACITY = 20;
class records
{
public:
string cellPhoneNumber;
int numOfRelays, minutes;
double netCost, taxRate, taxOnCall, totalCostOfCall;
};
void initialize_DB(records *call_DB, int &count);
int search_DB(records *,const int);
//void Print(records *,const int);
void process_DB(records *, const int);
void call_stats(records *, const int);
void add_DB(records *, int);
void remove_DB(records *, int);
void print_DB(records *, const int);
bool IsFull(int);
bool IsEmpty(int);
void intialize_DB(records *call_DB, int &count)
{
string filename;
ifstream input;
count = 0;
cout<<"Enter the data filename:";
cin>>filename;
input.open(filename.c_str(), ios::in);
//if (input.fail( )) //Testing if file opened correctly
// {
// cout << "Input file opening failed.\n";
// exit(1);
// }
while(!input.eof() && count < CAPACITY)
{
if (!input.eof())
{
input>>call_DB[count].cellPhoneNumber>>call_DB[count].numOfRelays>>call_DB[count++].minutes;
}
}
input.close();
}
int search_DB(records *call_DB, const int count)
{
string key;
cout << "Enter the number you want to know exists: ";
cin >> key;
for(int i=0; i<count; i++)
{
if (call_DB[i].cellPhoneNumber==key)
return i;
}
return -1;
}
bool IsFull(int count)
{
return count == CAPACITY;
}
bool IsEmpty(int count)
{
return count == 0;
}
void process_DB(records *call_DB, int count)
{
double taxRate;
for(int i=0; i<count; i++)
{
if (1<=call_DB[i].numOfRelays&&call_DB[i].numOfRelays<=5) //calculates tax rate
taxRate = .01;
else if (6<=call_DB[i].numOfRelays&&call_DB[i].numOfRelays<=11)
taxRate = .03;
else if (12<=call_DB[i].numOfRelays&&call_DB[i].numOfRelays<=20)
taxRate = .05;
else if (21<=call_DB[i].numOfRelays&&call_DB[i].numOfRelays<=50)
taxRate = .08;
else taxRate = .12;
call_DB[count].netCost = ((0.40 * call_DB[count].minutes)*(call_DB[i].numOfRelays/50.0)); //makes calculations for the cost of the phone calls
call_DB[count].taxOnCall = (call_DB[count].netCost * taxRate);
call_DB[count].totalCostOfCall = (call_DB[count].netCost + call_DB[count].taxOnCall);
}
}
void call_stats(records *call_DB, const int count)
{
for(int i=0; i<count; i++)
{
cout<<call_DB[i].cellPhoneNumber<<"\t"<<call_DB[i].numOfRelays<<"\t"<<call_DB[i].minutes<<"\t"<<call_DB[i].netCost<<"\t"<<call_DB[i].taxRate
<<"\t"<<call_DB[i].taxOnCall<<"\t"<<call_DB[i].totalCostOfCall<<endl;
}
}
void add_DB(records *call_DB, int count)
{
string key;
if (!IsFull(count))
{
call_DB[count++].cellPhoneNumber=key;
}
else
{
cout<<"call_DB is full -- No addition possible\n";
}
}
void remove_DB(records *call_DB, int & count, string key)
{
int i= search_DB(call_DB, count);
if (i!=-1)
{
for(int j=i; j<count-1; j++) //shifting up
{
call_DB[j] = call_DB[j+1];
}
count--;
}
else if (count == 0)
{
cout<<"Can't delete "<<key<<" because call_DB is empty\n";
}
else
{
cout<<key<<" Is not in call_DB, therefore it can't be deleted. "<<endl;
}
}
//void Print(records *call_DB,const int count)
//{
// int i;
// for(i=0; i<count; i++)
// {
// cout<<call_DB[i].cellPhoneNumber<<"\t"<<call_DB[i].numOfRelays<<"\t"<<call_DB[i].minutes<<endl;
// }
//
//
//
//}
void print_DB(records *call_DB, int count)
{
ofstream out;
string filename;
cout<<"Enter the output data filename: ";
cin>>filename;
out.open(filename.c_str());
for(int i=0; i<count; i++)
{
out<<call_DB[i].cellPhoneNumber<<"\t"<<call_DB[i].numOfRelays<<"\t"<<call_DB[i].minutes<<"\t"<<call_DB[i].netCost<<"\t"<<call_DB[i].taxRate
<<"\t"<<call_DB[i].taxOnCall<<"\t"<<call_DB[i].totalCostOfCall<<endl;
}
out.close();
}
int main()
{
records call_DB[CAPACITY];
int count;
string key;
intialize_DB(call_DB,count);
cout<<search_DB(call_DB,count)<<endl;
//Print(call_DB, count);
process_DB(call_DB,count);
call_stats(call_DB,count);
add_DB(call_DB,count);
remove_DB(call_DB,count, key);
print_DB(call_DB,count);
return 0;
}
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