using System.Reflection;

namespace Tiobon.Core.Controllers;

/// <summary>
/// 增删改查基础服务
/// </summary>
/// <typeparam name="IServiceBase"></typeparam>
/// <typeparam name="TEntity"></typeparam>
/// <typeparam name="TEntityDto"></typeparam>
/// <typeparam name="TInsertDto"></typeparam>
/// <typeparam name="TEditDto"></typeparam>
public class BaseController<IServiceBase, TEntity, TEntityDto, TInsertDto, TEditDto> : Controller
{
    #region 初始化
    protected IServiceBase _service;
    /// <summary>
    /// 初始化 (注入)
    /// </summary>
    public BaseController(IServiceBase service)
    {
        _service = service;
    }
    #endregion


    #region 基础接口

    #region 查询
    /// <summary>
    /// Ghra_Grade -- 根据条件查询数据
    /// </summary>
    /// <param name="filter">条件</param>
    /// <returns></returns>
    [HttpGet]
    public async Task<ServicePageResult<TEntityDto>> QueryByFilter([FromFilter] QueryFilter filter)
    {
        var data = (await InvokeServiceAsync("QueryFilterPage", [filter])) as ServicePageResult<TEntityDto>;
        return data;
    }

    /// <summary>
    ///  Ghra_Grade -- 根据Id查询数据
    /// </summary>
    /// <param name="Id">主键ID</param>
    /// <returns></returns>
    [HttpGet("{Id}")]
    public async Task<ServiceResult<object>> QueryById(long Id)
    {
        var entity = await InvokeServiceAsync("QueryById", [Id]);
        if (entity == null)
            return Failed<object>("获取失败");
        else
            return Success(entity, "获取成功");
    }
    #endregion

    #region 新增
    /// <summary>
    /// Ghra_Grade -- 新增数据
    /// </summary>
    /// <param name="insertModel"></param>
    /// <returns></returns>
    [HttpPost]
    public async Task<ServiceResult<string>> Insert([FromBody] TInsertDto insertModel)
    {
        var data = Success<string>(null, "新增成功");
        var id = Convert.ToInt64(await InvokeServiceAsync("Add", [insertModel]));
        data.success = id > 0;
        if (data.success)
            data.response = id.ObjToString();
        else
            return Failed<string>("新增失败");

        return data;
    }
    #endregion

    #region 更新
    /// <summary>
    /// Ghra_Grade -- 更新数据
    /// </summary>
    /// <param name="Id">主键ID</param>
    /// <param name="editModel"></param>
    /// <returns></returns>
    [HttpPut("{Id}")]
    public async Task<ServiceResult> Put(long Id, [FromBody] TEditDto editModel)
    {
        var data = Success("更新成功");
        var flag = Convert.ToBoolean(await InvokeServiceAsync("Update", [Id, editModel]));
        if (!flag)
            return Failed("更新失败");
        return data;
    }
    #endregion

    #region 删除
    /// <summary>
    /// Ghra_Grade -- 删除数据
    /// </summary>
    /// <param name="Id">主键ID</param>
    /// <returns></returns>
    [HttpDelete("{Id}")]
    public async Task<ServiceResult> Delete(long Id)
    {
        var data = Success("删除成功");
        var isExist = Convert.ToBoolean(await InvokeServiceAsync("AnyAsync", [Id]));
        if (!isExist)
            return Failed("删除失败");
        data.success = Convert.ToBoolean(await InvokeServiceAsync("DeleteById1", [Id]));
        if (!data.success)
            return Failed("删除失败");
        return data;
    }
    #endregion

    #endregion

    /// <summary>
    /// 反射调用service方法
    /// </summary>
    /// <param name="methodName"></param>
    /// <param name="parameters"></param>
    /// <returns></returns>
    [NonAction]
    private object InvokeService(string methodName, object[] parameters)
    {
        return _service.GetType().GetMethod(methodName).Invoke(_service, parameters);
    }
    /// <summary>
    /// 反射调用service方法
    /// </summary>
    /// <param name="methodName"></param>
    /// <param name="types">为要调用重载的方法参数类型：new Type[] { typeof(SaveDataModel)</param>
    /// <param name="parameters"></param>
    /// <returns></returns>
    [NonAction]
    private object InvokeService(string methodName, Type[] types, object[] parameters) => _service.GetType().GetMethod(methodName, types).Invoke(_service, parameters);


    [NonAction]
    private async Task<object> InvokeServiceAsync(string methodName, object[] parameters)
    {
        var task = _service.GetType().InvokeMember(methodName, BindingFlags.InvokeMethod, null, _service, parameters) as Task;
        if (task != null) await task;
        var result = task?.GetType().GetProperty("Result")?.GetValue(task);
        return result;
    }

    [NonAction]
    public ServiceResult<T> Success<T>(T data, string msg = "成功")
    {
        return new ServiceResult<T>() { success = true, msg = msg, response = data, };
    }

    // [NonAction]
    //public ServiceResult<T> Success<T>(T data, string msg = "成功",bool success = true)
    //{
    //    return new ServiceResult<T>()
    //    {
    //        success = success,
    //        msg = msg,
    //        response = data,
    //    };
    //}
    [NonAction]
    public ServiceResult Success(string msg = "成功")
    {
        return new ServiceResult() { success = true, msg = msg, response = null, };
    }

    [NonAction]
    public ServiceResult Failed(string msg = "失败", int status = 500)
    {
        return new ServiceResult() { success = false, status = status, msg = msg, response = null, };
    }

    [NonAction]
    public ServiceResult<T> Failed<T>(string msg = "失败", int status = 500)
    {
        return new ServiceResult<T>() { success = false, status = status, msg = msg, response = default, };
    }

    [NonAction]
    public ServiceResult<PageModel<T>> SuccessPage<T>(int page, int dataCount, int pageSize, List<T> data, int pageCount, string msg = "获取成功")
    {
        return new ServiceResult<PageModel<T>>() { success = true, msg = msg, response = new PageModel<T>(page, dataCount, pageSize, data) };
    }

    [NonAction]
    public ServiceResult<PageModel<T>> SuccessPage<T>(PageModel<T> pageModel, string msg = "获取成功")
    {
        return new ServiceResult<PageModel<T>>() { success = true, msg = msg, response = pageModel };
    }
}