#include <string>
#include <fstream>
#include <iostream>
using namespace std;

#define SCALES_FILE "../etc/scales.m"
#define CHORDS_FILE "../etc/chords.m"

#define MAIN_DELIM "="
#define SEC_DELIM ","
#define COMMENT_CHAR 0x23

#define SCALE_LENGTH 3
#define CHORD_LENGTH 2

#define BUFFER_MAX 80

// error message values
#define SCALE_FILE_UNDEFINED 1
#define CHORD_FILE_UNDEFINED 2

typedef struct {
	char *name;
	int increments[1];
	int increment_length;
} scale;

typedef struct {
	char *name;
	char **indicators;
	int increments[1];
	int increment_length;
} chord;

scale *scales;
int scale_length;
chord *chords;
int chord_length;

int setGlobalVariables();
scale setNextScale(char *buffer);

int setGlobalVariables() {
	char buffer[BUFFER_MAX];

	// set the scales from the config files
	ifstream scalefile(SCALES_FILE);
	if (!scalefile.is_open()) {
		return SCALE_FILE_UNDEFINED;
	}

	int index = 1;
	scale *tmp1;
	while (!scalefile.eof()) {
		scalefile.getline(buffer, BUFFER_MAX);

		// skip parsing the line if it is a comment (#) or a zero length line
		if (buffer[0] != (char)COMMENT_CHAR && strlen(buffer) > 0) {
			tmp1 = new scale[index];

			if (index > 1) {
				for (int i = 0; i < (index - 1); i++) {
					tmp1[i] = scales[i];
					cout << tmp1[i].name << "tmp1" << endl;
				}
			}

			tmp1[(index - 1)] = setNextScale(buffer);

			delete scales;
			scales = new scale[index];

			for (int i = 0; i < index; i++) {
				scales[i] = tmp1[i];
				cout << scales[i].name << "scales" << endl;
			}
			index++;

			delete tmp1;
		}
	}
	scale_length = index -1;

	scalefile.close();

	cout << scales[0].name << endl; // result= Minor (*wanted result= Major)
	cout << scales[1].name << endl; // result= Minor (*wanted result= Minor)

	return 0;
}

scale setNextScale(char *buffer) {
	scale tmp;
	char *tmpscale;

	tmp.name = strtok(buffer, MAIN_DELIM);
	tmpscale = strtok(NULL, MAIN_DELIM);

	// parsing for tmpscale required here

	return tmp;
}