using Microsoft.EntityFrameworkCore;

namespace BuildFlow.Workflow.Tests.Form;


public class FormTestFixture : IDisposable
{
    /// <summary>
    /// 创建一个独立的 InMemory WorkflowDbContext 实例。
    /// 每次调用都使用新的 database name，确保测试之间互不干扰。
    /// </summary>
    public WorkflowDbContext CreateDbContext([System.Runtime.CompilerServices.CallerMemberName] string testName = "")
    {
        var options = new DbContextOptionsBuilder<WorkflowDbContext>()
            .UseInMemoryDatabase(databaseName: $"WorkflowTest_{testName}_{Guid.NewGuid()}")
            .Options;

        var db = new WorkflowDbContext(options);
        db.SavingChanges += AuditStub.OnSave;
        return db;
    }

    /// <summary>
    /// 创建一个已包含种子表单定义的 DbContext，用于需要已有数据的测试场景。
    /// </summary>
    public async Task<WorkflowDbContext> CreateDbContextWithSeedAsync(
        string testName,
        Action<WorkflowDbContext>? seedAction = null)
    {
        var db = CreateDbContext(testName);

        if (seedAction is not null)
        {
            seedAction(db);
            await db.SaveChangesAsync();
        }

        return db;
    }

    public void Dispose()
    {
        GC.SuppressFinalize(this);
    }
}