// report generator

#include <stdio.h>

#include "common.h"

extern keypresses_t keypresses;

static double work_time;
static double idle_time;

#define REPORT(t, s, v...) do { \
	fprintf(report_fp, "%s: " t "\n", s, v); \
} while (0)

void gen_report(FILE* report_fp) {
	LOG(LOG_DEBUG, "total keypresses: %d\n", keypresses.length);

	rewind(report_fp);

	work_time = 0;
	idle_time = 0;

	if (keypresses.length > 2) {
		double last_press = keypresses.keys[0].when;

		for (int i = 1; i < keypresses.length; i++) {
			keypress_t* press = &keypresses.keys[i];

			if (press->when < last_press + IDLE_TIME) {
				work_time += press->when - last_press;
			} else {
				idle_time += press->when - last_press - IDLE_TIME;
			}

			last_press = press->when;

			LOG(LOG_INSANEDEBUG, "%d %d %d\n", keypresses.keys[i].when, keypresses.length);
		}
	}

	REPORT("%d", "total keypresses", keypresses.length);
	REPORT("%.1fs", "work time", work_time);
	REPORT("%.1f k/s", "avg keys/sec", keypresses.length / work_time);
	REPORT("%.1fs", "idle time", idle_time);

	fflush(report_fp);
}