using Microsoft.EntityFrameworkCore;

namespace MiGu.DB.Abstractions.Runtime;

public interface IActorContext
{
    string Name { get; }
}

public interface IActorContextAccessor
{
    IActorContext Current { get; set; }
}

public interface IDataMigrator
{
    int Order { get; }
    string Name { get; }
    Task MigrateAsync(DbContext db, CancellationToken ct = default);
}

/// <summary>
/// 启动期 Schema 初始化策略。
/// <see cref="Migrate"/>：版本化迁移（发版/现场）；
/// <see cref="EnsureCreated"/>：按当前模型建库（开发期，改模型需删库重建）。
/// </summary>
public enum MiGuSchemaMode
{
    Migrate = 0,
    EnsureCreated = 1
}

public sealed class MiGuDbOptions
{
    public string Provider { get; set; } = "sqlite";
    public string ConnectionString { get; set; } = "";
    public string ContentRootPath { get; set; } = "";

    /// <summary>Schema 初始化模式，对应配置 Database:SchemaMode。</summary>
    public MiGuSchemaMode SchemaMode { get; set; } = MiGuSchemaMode.Migrate;

    /// <summary>为 true 时，Schema 初始化后按 Order 执行全部 IDataMigrator（默认开启）。</summary>
    public bool ApplyDataMigratorsOnStartup { get; set; } = true;
}