// Admin.NET 项目的版权、商标、专利和其他相关权利均受相应法律法规的保护。使用本项目应遵守相关法律法规和许可证的要求。
//
// 本项目主要遵循 MIT 许可证和 Apache 许可证（版本 2.0）进行分发和使用。许可证位于源代码树根目录中的 LICENSE-MIT 和 LICENSE-APACHE 文件。
//
// 不得利用本项目从事危害国家安全、扰乱社会秩序、侵犯他人合法权益等法律法规禁止的活动！任何基于本项目二次开发而产生的一切法律纠纷和责任，我们不承担任何责任！

using Admin.NET.Core.Service;
using Microsoft.AspNetCore.Http;
using System.Linq.Expressions;
using OfficeOpenXml.FormulaParsing.Excel.Functions.Text;
@{
    string joinTableName = "u";
    Dictionary<string, int> definedObjects = new Dictionary<string, int>();
    bool haveLikeCdt = false;
    string RemoteField="";
    string PKName="";
    foreach (var column in Model.TableField){
        if (column.QueryWhether == "Y" && column.QueryType == "like"){
            haveLikeCdt = true;
        }
        if(column.RemoteVerify){
            RemoteField=@column.PropertyName;
        }
        if(column.ColumnKey == "True"){
            PKName=column.PropertyName;
        }
    }
}
using @(@Model.NameSpace).Entity;

namespace @Model.NameSpace;

/// <summary>
/// @(@Model.BusName)服务
/// </summary>
[ApiDescriptionSettings(@(@Model.ProjectLastName)Const.GroupName, Name = "@(@Model.LowerClassName)", Order = 100)]
public partial class @(@Model.ClassName)Service : IDynamicApiController, ITransient
{
    private readonly SqlSugarRepository<@(@Model.ClassName)> _@(@Model.LowerClassName)Rep;
    @foreach (var column in Model.TableField){
                if(@column.EffectType == "ForeignKey"||@column.EffectType == "ApiTreeSelector"){
    @:private readonly SqlSugarRepository<@(@column.FkEntityName)> _@(@column.LowerFkEntityName)Rep;
                }
    }
    private TypeAdapterConfig _typeAdapterConfig = TypeAdapterConfig.GlobalSettings;

    public @(@Model.ClassName)Service(SqlSugarRepository<@(@Model.ClassName)> @(@Model.LowerClassName)Rep
    @foreach (var column in Model.TableField){
                if(@column.EffectType == "ForeignKey"||@column.EffectType == "ApiTreeSelector"){
      @:,SqlSugarRepository<@(@column.FkEntityName)> @(@column.LowerFkEntityName)Rep
                }
    } 
    
    )
    {
        _@(@Model.LowerClassName)Rep = @(@Model.LowerClassName)Rep;
    @foreach (var column in Model.TableField){
                if(@column.EffectType == "ForeignKey"||@column.EffectType == "ApiTreeSelector"){
      @:_@(@column.LowerFkEntityName)Rep = @(@column.LowerFkEntityName)Rep;
                }
    }
        _typeAdapterConfig.ForType<T, @(@Model.ClassName)>().IgnoreNullValues(true);
    }

    /// <summary>
    /// 分页查询@(@Model.BusName)
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>    
    [ApiDescriptionSettings(Name = "page", Description = "分页查询", Order = 1000), HttpPost]
    [DisplayName("分页查询@(@Model.BusName)")]
    public async Task<SqlSugarPagedList<@(@Model.ClassName)Output>> Page(Page@(@Model.ClassName)Input input)
    {
        //var query= @(@Model.ClassName)Mid.GetQuery(_@(@Model.LowerClassName)Rep, input);
        //var list = await @(@Model.ClassName)Mid.GetQuery(_@(@Model.LowerClassName)Rep, input).MergeTable().ToPagedListAsync(input.Page, input.PageSize);
        var list = await @(@Model.ClassName)Mid.GetQuery(_@(@Model.LowerClassName)Rep, input).OrderBuilder(input).ToPagedListAsync(input.Page, input.PageSize);
        return list;
        
    }

    /// <summary>
    /// 增加@(@Model.BusName)
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [ApiDescriptionSettings(Name = "add", Description = "增加@(@Model.BusName)", Order = 990), HttpPost]
    [DisplayName("增加@(@Model.BusName)")]
    public async Task<object> Add(Add@(@Model.ClassName)Input input)
    {
        var entity = input.Adapt<@(@Model.ClassName)>(_typeAdapterConfig);
    	@if(Model.RemoteVerify){
        @://验证重复值
        @:if (await _@(@Model.LowerClassName)Rep.IsAnyAsync(t => t.@(RemoteField) == entity.@(RemoteField)))
        @:{
            @://已存在
            @:throw Oops.Oh(ErrorCodeEnum.D1006);
        @:}
        }
        await _@(@Model.LowerClassName)Rep.InsertAsync(entity);
        return entity.@(@PKName);
    }

    /// <summary>
    /// 删除@(@Model.BusName)
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [ApiDescriptionSettings(Name = "delete", Description = "删除(@Model.BusName)", Order = 980), HttpPost]
    [DisplayName("删除@(@Model.BusName)")]
    public async Task Delete(Delete@(@Model.ClassName)Input input)
    {
@foreach (var column in Model.TableField){
if (@column.ColumnKey == "True"){
        @:var entity = await _@(@Model.LowerClassName)Rep.GetFirstAsync(u => u.@(@column.PropertyName) == input.@(@column.PropertyName)) ?? throw Oops.Oh(ErrorCodeEnum.D1002);
}
}
        //await _@(@Model.LowerClassName)Rep.FakeDeleteAsync(entity); // 假删除
        await _@(@Model.LowerClassName)Rep.DeleteAsync(entity); // 真删除
    }

    /// <summary>
    /// 更新@(@Model.BusName)
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [ApiDescriptionSettings(Name = "update", Description = "更新@(@Model.BusName)", Order = 970), HttpPost]
    [DisplayName("更新@(@Model.BusName)")]
    public async Task Update(Update@(@Model.ClassName)Input input)
    {
        var entity = input.Adapt<@(@Model.ClassName)>(_typeAdapterConfig);
        entity.Id = input.Id;
        @if(Model.RemoteVerify){
        @://验证重复值
        @:if (await _@(@Model.LowerClassName)Rep.IsAnyAsync(t => t.@(RemoteField) == entity.@(RemoteField) && t.@(@PKName) != entity.@(@PKName)))
        @:{
            @://已存在
            @:throw Oops.Oh(ErrorCodeEnum.D1006);
        @:}
        }
        await _@(@Model.LowerClassName)Rep.AsUpdateable(entity).IgnoreColumns(ignoreAllNullColumns: true).ExecuteCommandAsync();
    }

    /// <summary>
    /// 获取@(@Model.BusName)
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [ApiDescriptionSettings(Name = "detail", Description = "获取@(@Model.BusName)", Order = 960), HttpGet]
    [DisplayName("获取@(@Model.BusName)")]
    public async Task<@(@Model.ClassName)> Detail([FromQuery] QueryById@(@Model.ClassName)Input input)
    {
@foreach (var column in Model.TableField){
if (@column.ColumnKey == "True"){
        @:return await _@(@Model.LowerClassName)Rep.GetFirstAsync(u => u.@(@column.PropertyName) == input.@(@column.PropertyName));
}   
}            
    }

    /// <summary>
    /// 获取@(@Model.BusName)列表
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [ApiDescriptionSettings(Name = "list", Description = "获取@(@Model.BusName)列表", Order = 950), HttpPost]
    [DisplayName("获取@(@Model.BusName)列表")]
    public async Task<List<@(@Model.ClassName)Output>> List(Page@(@Model.ClassName)Input input)
    {
        return await @(@Model.ClassName)Mid.GetQuery(_@(@Model.LowerClassName)Rep, input).OrderBuilder(input).ToListAsync();
    }

@if(@Model.TableField.Any(x=>x.Statistical == "Y")){
    @:/// <summary>
    @:/// 获取@(@Model.BusName)
    @:/// </summary>
    @:/// <param name="input"></param>
    @:/// <returns></returns>
    @:[ApiDescriptionSettings(Name = "GetTotalSum", Description = "获取@(@Model.BusName)统计", Order = 960), HttpPost]
    @:[DisplayName("获取@(@Model.BusName)统计")]
    @:public async Task<List<@(@Model.ClassName)Output>> GetTotalSum(Page@(@Model.ClassName)Input input)
    @:{
        @:// 单次查询同时获取统计值
        @:var querystats = @(@Model.ClassName)Mid.GetQuery(_@(@Model.LowerClassName)Rep, input)
        @foreach (var column in Model.TableField){
        if (@column.IsGroupBy == "Y"){
        @:    .GroupByIF(input.GroupBy.Contains("@column.PropertyName"), u => u.@column.PropertyName)
        } 
        }
        @:  //.Having(it => SqlFunc.AggregateCount(it.Id) > 0)//聚合函数过滤
        @:  .Select(it => new @(@Model.ClassName)Output
        @:  {
        @:      count = SqlFunc.AggregateCount(it.Id),

        @foreach (var column in Model.TableField){
        if (@column.IsGroupBy == "Y"){
        @:      @(@column.PropertyName) = it.@(@column.PropertyName),
        }
        if (@column.Statistical == "Y"){
        @:      @(@column.PropertyName) = SqlFunc.AggregateSum(it.@(@column.PropertyName)) ?? 0,
        }
        }
        @:  });
        @:return await querystats.ToListAsync();
    @:}
}

    /// <summary>
    /// 根据输入参数获取@(@Model.BusName)统计
    /// 支持双模式聚合配置：
    /// 常规模式：Field + Function
    /// 高级模式：CustomExpression（支持任意合法SQL表达式）
    /// 智能条件组合：
    /// 多个HAVING条件自动用AND连接
    /// 条件表达式自动包裹聚合函数（如SUM(cost) > 10000）
    /// 可扩展支持OR条件
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [ApiDescriptionSettings(Name = "GetAggregTotalSum", Order = 970), HttpPost]
    [DisplayName("根据输入参数获取@(@Model.BusName)统计")]
    public async Task<List<@(@Model.ClassName)Output>> GetAggregTotalSum(Page@(@Model.ClassName)Input input)
    {
        
        @:var query = @(@Model.ClassName)Mid.GetQuery(_@(@Model.LowerClassName)Rep, input)
        // 输入参数示例
        //input = new Page@(@Model.ClassName)Input
        //{
        //    GroupBy = ["department", "project"],
        //    GroupBy = input.GroupBy,
        //    Aggregations =
        //    [
        //        new AggregationConfig
        //{
        //    Field = "cost",
        //    Function = AggregateFunction.Sum,
        //    Alias = "totalCost",
        //    HavingCondition = "> 10000"
        //},
        //new AggregationConfig
        //{
        //    CustomExpression = "AVG(CAST(response_time AS FLOAT))",
        //    Alias = "avgResponse",
        //    HavingCondition = "< 500"
        //}
        //    ]
        //};
        // 生成SQL示例
        // SELECT
        //     department, project,
        // SUM(cost) AS totalCost,
        // AVG(CAST(response_time AS FLOAT)) AS avgResponse
        // FROM...
        // GROUP BY department, project
        // HAVING(SUM(cost) > 10000) AND(AVG(CAST(response_time AS FLOAT)) < 500)

        // 处理分组字段
        var groupFields = AggregationBuilder.ValidateFields(input.GroupBy, typeof(@(@Model.ClassName)Output));
        if (groupFields.Count > 0)
        {
            query = query.GroupBy(string.Join(",", groupFields));
        }
        // 构建聚合配置
        var aggregator = new AggregationBuilder(
            configs: input.Aggregations,
            entityType: typeof(@(@Model.ClassName)),
            outputType: typeof(@(@Model.ClassName)Output)
        );

        // 组合SELECT语句
        var selectParts = groupFields.Select(f => $"{f} AS {f}")
            .Concat(aggregator.SelectParts)
            .ToList();

        // 应用HAVING条件
        if (aggregator.HavingConditions.Count > 0)
        {
            query = query.Having(string.Join(" AND ", aggregator.HavingConditions));
        }
        // 执行查询
        return await query.Select<@(@Model.ClassName)Output>(string.Join(", ", selectParts))
            .ToListAsync();
    }
    
@foreach (var column in Model.TableField){
if(@column.EffectType == "ForeignKey" && (@column.WhetherAddUpdate == "Y" || column.QueryWhether == "Y")){  
    @:/// <summary>
    @:/// 获取@(@column.ColumnComment)列表
    @:/// </summary>
    @:/// <returns></returns>
    @:[ApiDescriptionSettings(Name = "@(LowerFirstLetter(@column.FkEntityName))@(@column.PropertyName)Dropdown", Description = "获取@(@column.ColumnComment)列表", Order = 940), HttpGet]
    @:[DisplayName("获取@(@column.ColumnComment)列表")]
    @:public async Task<List<LabelValueOutput>> @(@column.FkEntityName)@(@column.PropertyName)Dropdown()
    @:{
        @:return (await _@(@column.LowerFkEntityName)Rep.GetListAsync(t => t.Id > 0))
                @:.Select(u => new LabelValueOutput
                @:{
                    @:Label = u.@(@column.FkColumnName),
                    @:Value = u.@(@column.FkLinkColumnName).ToString()
                @:}
                @:).ToList();
    @:}
}
}

@foreach (var column in Model.TableField){
if(@column.EffectType == "Upload"){  
    @:/// <summary>
    @:/// 上传@(@column.ColumnComment)
    @:/// </summary>
    @:/// <param name="file"></param>
    @:/// <returns></returns>
    @:[ApiDescriptionSettings(Name = "upload@(@column.PropertyName)",  Description = "上传@(@column.ColumnComment)", Order = 930), HttpPost]
    @:[DisplayName("上传@(@column.ColumnComment)")]
    @:public async Task<SysFile> Upload@(@column.PropertyName)([Required] IFormFile file)
    @:{
            @:var service = App.GetRequiredService<SysFileService>();
            @:return await service.UploadFile(new UploadFileInput { File = file, Path = "upload/@(@column.PropertyName)" }); 
    @:} 
}
}

@foreach (var column in Model.TableField){
if(@column.EffectType == "ApiTreeSelector" && !definedObjects.ContainsKey("@(@column.FkEntityName)Tree")){
    @{definedObjects.Add("@(@column.FkEntityName)Tree", 1);}    
    @:[ApiDescriptionSettings(Name = "@(LowerFirstLetter(@column.FkEntityName))Tree", Description = "获取@(@column.ColumnComment)列表", Order = 920), HttpGet]
    @:[DisplayName("获取@(@column.FkEntityName)Tree")]
    @:public async Task<dynamic> @(@column.FkEntityName)Tree()
    @:{
        @:return await _@(@Model.LowerClassName)Rep.Context.Queryable<@(@column.FkEntityName)>().Select<@(@column.FkEntityName)Output>().ToTreeAsync(u => u.Children, u => u.@(@column.PidColumn), 0);
    @:}
}
}

@if(Model.RemoteVerify){
    @:/// <summary>
    @:/// 检查@(RemoteField)字段是否可用
    @:/// </summary>
    @:/// <param name="param">检查字段参数</param>
    @:/// <returns></returns>
    @:[ApiDescriptionSettings(Name = "exists@(RemoteField)",Description = "检查@(RemoteField)字段是否可用", Order = 910), HttpPost]
    @:[DisplayName("检查@(RemoteField)字段是否可用")]
    @:public async Task<bool> Exists@(RemoteField)Async(Exists@(RemoteField)Input param)
    @:{
        @:if (string.IsNullOrWhiteSpace(param.FieldValue))
        @:{
            @:return false;
        @:}
        @:if (!string.IsNullOrWhiteSpace(param.OldFieldValue))
        @:{
            @:if (param.FieldValue.Trim() == param.OldFieldValue.Trim())
            @:{
                @://编辑状态下触发的
                @:return true;
            @:}
        @:}

        @:return !(await _@(@Model.LowerClassName)Rep.IsAnyAsync(t => t.@(RemoteField).Equals(param.FieldValue.Trim())));
    @:}
}

}

@{
string LowerFirstLetter(string text)
{
return text.ToString()[..1].ToLower() + text[1..]; // 首字母小写
}
}