package adminstore

import (
	"context"
	"testing"
)

func TestStatsAndBulk(t *testing.T) {
	s := newTestStore(t)
	ctx := context.Background()

	base, err := s.Stats(ctx)
	if err != nil {
		t.Fatalf("stats: %v", err)
	}

	var p1, p2 string
	if err := s.pool.QueryRow(ctx,
		"INSERT INTO product (name, status) VALUES ($1,'active') RETURNING id",
		"批量测试1 "+randomHex(4)).Scan(&p1); err != nil {
		t.Fatalf("insert p1: %v", err)
	}
	if err := s.pool.QueryRow(ctx,
		"INSERT INTO product (name, status) VALUES ($1,'active') RETURNING id",
		"批量测试2 "+randomHex(4)).Scan(&p2); err != nil {
		t.Fatalf("insert p2: %v", err)
	}
	t.Cleanup(func() { _, _ = s.pool.Exec(ctx, "DELETE FROM product WHERE id = ANY($1)", []string{p1, p2}) })

	after, err := s.Stats(ctx)
	if err != nil {
		t.Fatalf("stats after: %v", err)
	}
	if after.Products != base.Products+2 {
		t.Fatalf("product count: got %d want %d", after.Products, base.Products+2)
	}

	// Bulk set status to deprecated.
	n, err := s.BulkSetStatus(ctx, "tester", []string{p1, p2}, "deprecated")
	if err != nil || n != 2 {
		t.Fatalf("bulk status: n=%d err=%v", n, err)
	}
	var deprecated int
	if err := s.pool.QueryRow(ctx,
		"SELECT count(*) FROM product WHERE id = ANY($1) AND status='deprecated'",
		[]string{p1, p2}).Scan(&deprecated); err != nil {
		t.Fatalf("verify: %v", err)
	}
	if deprecated != 2 {
		t.Fatalf("expected 2 deprecated, got %d", deprecated)
	}

	// Invalid status rejected.
	if _, err := s.BulkSetStatus(ctx, "tester", []string{p1}, "nope"); err != ErrInvalidStatus {
		t.Fatalf("expected ErrInvalidStatus, got %v", err)
	}

	// Empty selection rejected.
	if _, err := s.BulkSetStatus(ctx, "tester", nil, "active"); err != ErrNoTargets {
		t.Fatalf("expected ErrNoTargets, got %v", err)
	}

	// Global audit log should contain the bulk_status entry.
	rows, total, err := s.ListAllAudit(ctx, 10, 0)
	if err != nil {
		t.Fatalf("audit: %v", err)
	}
	if total == 0 || len(rows) == 0 {
		t.Fatalf("expected audit rows, got total=%d", total)
	}
}