package store

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

func TestExpireStalledAllocationsSQLFencesAndRequeuesWithoutPenalty(t *testing.T) {
	for _, fragment := range []string{
		"ALLOCATING", "PROCESS_READY", "ASSIGNMENT_READY",
		"FOR UPDATE SKIP LOCKED",
		"SET state = 'FAILED'",
		"SET participation_active = FALSE",
		"SET state = 'QUEUED'",
		"INSERT INTO outbox",
		"'state_changed'",
		"'stalled-allocation:'",
	} {
		if !strings.Contains(ExpireStalledAllocationsSQL, fragment) {
			t.Fatalf("ExpireStalledAllocationsSQL missing fragment %q:\n%s", fragment, ExpireStalledAllocationsSQL)
		}
	}
	if !strings.Contains(ExpireStalledAllocationsSQL, "occurred_at', $4") {
		t.Fatalf("stalled allocation event timestamp is not bound")
	}
}

func TestExpireStalledAllocationsRejectsInvalidArgumentsWithoutDatabase(t *testing.T) {
	now := time.Unix(1000, 0).UTC()
	if _, err := ExpireStalledAllocations(context.Background(), nil, now, time.Minute, 10); err == nil {
		t.Fatal("nil database accepted")
	}
	if _, err := ExpireStalledAllocations(context.Background(), nil, time.Time{}, time.Minute, 10); err == nil {
		t.Fatal("zero time accepted")
	}
	if _, err := ExpireStalledAllocations(context.Background(), nil, now, 0, 10); err == nil {
		t.Fatal("non-positive deadline accepted")
	}
	if _, err := ExpireStalledAllocations(context.Background(), nil, now, time.Minute, 0); err == nil {
		t.Fatal("zero limit accepted")
	}
	if _, err := ExpireStalledAllocations(context.Background(), nil, now, time.Minute, 1001); err == nil {
		t.Fatal("oversized limit accepted")
	}
}