package logstorage

import (
	"strings"
	"testing"
	"time"
)

func TestAuditCapacityRotatesOldestActiveSegment(t *testing.T) {
	store := openTestStore(t, Options{AuditCapBytes: 1400})
	for i := 0; i < 5; i++ {
		if _, err := store.Append(ClassAudit, time.Now().Add(time.Duration(i)*time.Second), map[string]string{"message": strings.Repeat(string(rune('a'+i)), 400)}); err != nil {
			t.Fatal(err)
		}
	}
	snapshot, err := store.Snapshot()
	if err != nil {
		t.Fatal(err)
	}
	if snapshot.UsageBytes["audit"] > 1400 {
		t.Fatalf("capacity exceeded: %+v", snapshot)
	}
	var messages []string
	store.mu.Lock()
	err = store.walkClassLocked(ClassAudit, false, func(event Envelope) error { messages = append(messages, string(event.Payload)); return nil })
	store.mu.Unlock()
	if err != nil {
		t.Fatal(err)
	}
	if len(messages) == 0 || strings.Contains(strings.Join(messages, ""), strings.Repeat("a", 100)) || !strings.Contains(messages[len(messages)-1], strings.Repeat("e", 100)) {
		t.Fatalf("rotation retained wrong records: %v", messages)
	}
}