1 files changed, 48 insertions, 0 deletions
diff --git a/src/report.c b/src/report.c
new file mode 100644
index 0000000..060e98a
--- /dev/null
+++ b/src/report.c
@@ -0,0 +1,48 @@
+// 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);
+}