#include <stdio.h>

#include "c_cross_pack/libs/string.h"
#include "cJSON/cJSON.c"

int main() {
	FILE* fp = fopen("data.json", "r");
	char buffer[2048];
	fread(buffer, 1, sizeof(buffer), fp);
	fclose(fp);

	// Parse the JSON data
	cJSON *json = cJSON_Parse(buffer);

	// Variables for working with parsing json
	int count = cJSON_GetArraySize(json);
	cJSON *name, *age, *student, *grades, *math, *physics, *history;

	// What we are looking for
	int average_best, aver_best_i;
	int stud_80_plus[10]; int studs_80_i = 0;
	average_best = -1;

	// Find some data
	int average;
	for (int i = 0; i < count; i++) {
		student = cJSON_GetArrayItem(json, i);
		grades = cJSON_GetObjectItem(student, "grades");
		math = cJSON_GetObjectItem(grades, "math");
		physics = cJSON_GetObjectItem(grades, "physics");
		history = cJSON_GetObjectItem(grades, "history");

		average = (math->valueint + physics->valueint + history->valueint) / 3;
		if (average > average_best) {
			average_best = average;
			aver_best_i = i;
		}
		if (math->valueint > 80) {
			stud_80_plus[studs_80_i] = i;
			studs_80_i++;
		}
	}

	// Format average best
	string aver_best_str = strInit("");
	// Get data
	student = cJSON_GetArrayItem(json, aver_best_i);
	name = cJSON_GetObjectItem(student, "name");
	age = cJSON_GetObjectItem(student, "age");
	grades = cJSON_GetObjectItem(student, "grades");
	math = cJSON_GetObjectItem(grades, "math");
	physics = cJSON_GetObjectItem(grades, "physics");
	history = cJSON_GetObjectItem(grades, "history");
	// Add
	strAdd(&aver_best_str, name->valuestring); strAdd(&aver_best_str, " ");
	strAdd(&aver_best_str, int2Str(&age->valueint)); strAdd(&aver_best_str, " ");
	strAdd(&aver_best_str, int2Str(&math->valueint)); strAdd(& aver_best_str, "-");
	strAdd(&aver_best_str, int2Str(&physics->valueint)); strAdd(&aver_best_str, "-");
	strAdd(&aver_best_str, int2Str(&history->valueint));

	// Format math 80+
	string stud_80_str = strInit("");
	for (int i = 0; i < studs_80_i; i++) {
		// Get data
		student = cJSON_GetArrayItem(json, i);
		name = cJSON_GetObjectItem(student, "name");
		age = cJSON_GetObjectItem(student, "age");
		grades = cJSON_GetObjectItem(student, "grades");
		math = cJSON_GetObjectItem(grades, "math");
		physics = cJSON_GetObjectItem(grades, "physics");
		history = cJSON_GetObjectItem(grades, "history");
		// Add
		strAdd(&stud_80_str, name->valuestring); strAdd(&stud_80_str, " ");
		strAdd(&stud_80_str, int2Str(&age->valueint)); strAdd(&stud_80_str, " ");
		strAdd(&stud_80_str, int2Str(&math->valueint)); strAdd(& stud_80_str, "-");
		strAdd(&stud_80_str, int2Str(&physics->valueint)); strAdd(&stud_80_str, "-");
		strAdd(&stud_80_str, int2Str(&history->valueint)); strAdd(&stud_80_str, "\n");
	}

	// Get out data
	printf("Student with best average score:\n"
	"%s\n\n"
	"Students with 80+ math scores:\n"
	"%s",
	aver_best_str, stud_80_str);

	cJSON_Delete(json);
	free(aver_best_str); free(stud_80_str);
	
	return 0;
}