using MesETL.App.HostedServices;

namespace MesETL.App.Options;

public enum ColumnType
{
    Blob,
    Text,
    Json,
    UnDefine,
}

public class DataTransformOptions
{
    public bool StrictMode { get; set; } = true;
    public bool EnableFilter { get; set; } = true;
    public bool EnableReplacer { get; set; } = true;
    public bool EnableReBuilder { get; set; } = true;
    
    /// <summary>
    /// yyyyMM
    /// </summary>
    public string CleanDate { get; set; } = "202401";
    
    /// <summary>
    /// Record -> Database name
    /// 决定记录应当被插入到哪一个数据库中
    /// </summary>
    public Func<DataRecord, string>? DatabaseFilter { get; set; }
    /// <summary>
    /// Context -> Should output
    /// 对记录进行过滤，返回false则不输出
    /// </summary>
    public Func<DataTransformContext, Task<bool>>? RecordFilter { get; set; }//数据过滤方法
    /// <summary>
    /// Context -> New record
    /// 对当前记录进行修改或完整替换，你可以在这里修改记录中的字段，或者新增/删除字段
    /// </summary>
    public Func<DataTransformContext, Task<DataRecord>>? RecordModify { get; set; }//数据替换
    /// <summary>
    /// Context -> New rebuild records
    /// 基于当前记录新增多个记录
    /// </summary>
    public Func<DataTransformContext, IList<DataRecord>?>? RecordReBuild { get; set; }//新增数据
    /// <summary>
    /// Context -> void
    /// 对数据的某些字段进行缓存
    /// </summary>
    public Func<DataTransformContext, Task>? RecordCache { get; set; }//数据缓存
}