using FreeSql.DataAnnotations;
using F9WebAiTest.Domain.Events.SYS.Reports;

namespace F9WebAiTest.Domain.Entities.SYS.Reports;

/// <summary>
/// 报表定义（Grid++Report 模板）。每张报表对应一个 .grf 模板与一段数据查询 SQL。
/// 权限模型：创建/更新报表时自动同步一条 Permission(ResourceType=报表)，
/// 角色在「角色管理 - 报表权限」中分配给用户后即可在报表中心查看。
/// </summary>
[Table(Name = "sys_reports")]
public class Report : AggregateRoot
{
    [Column(Name = "code")]
    public string Code { get; private set; } = "";          // 唯一标识，作为权限码的 resourceIdentity

    [Column(Name = "name")]
    public string Name { get; private set; } = "";          // 显示名称

    [Column(Name = "category")]
    public string Category { get; private set; } = "通用";  // 分类

    [Column(Name = "description")]
    public string Description { get; private set; } = "";   // 描述

    /// <summary>数据集 SQL（必须以 SELECT 开头）。FreeSql ExecuteDataTable 执行。</summary>
    [Column(Name = "data_sql")]
    public string DataSql { get; private set; } = "";

    /// <summary>数据集查询参数定义 JSON：[{"name":"deptId","label":"部门","type":"int","default":0}]</summary>
    [Column(Name = "data_params")]
    public string DataParams { get; private set; } = "[]";

    /// <summary>
    /// 查询配置 JSON（F9 ReportConfig 约定）：
    /// { "DsName":"查询名(后端 IReportDataProvider 解析)", "ViewerType":0,
    ///   "Parms":[{ "Name":"q_yearmonth","Label":"账期","Prompt":"","IsRequired":false,
    ///              "ControlType":"AntdUI.DatePickerYearMonth","Ds_Static":null,"Ds_Service":null,"DefaultValue":"" }] }
    /// DsName 优先于 DataSql。
    /// </summary>
    [Column(Name = "config")]
    public string Config { get; private set; } = "";

    /// <summary>
    /// 报表模板文件 Id（对齐 F9 Report.ReportFileId）。
    /// 模板实例存储在 ReportFile（sys_report_files.DesignContent），与报表定义分离。
    /// </summary>
    [Column(Name = "report_file_id")]
    public long ReportFileId { get; private set; }

    // ---------- 以下三个字段已废弃（历史遗留列，仅供启动时把旧模板迁移到 ReportFile 读取） ----------
    // 新代码一律通过 ReportFile.DesignContent 读写模板。

    /// <summary>[已废弃] 旧版模板二进制，迁移到 ReportFile 后不再写入</summary>
    [Column(Name = "template_data", MapType = typeof(byte[]))]
    public byte[]? TemplateData { get; private set; }

    [Column(Name = "template_name")]
    public string TemplateName { get; private set; } = "";

    [Column(Name = "template_size")]
    public int TemplateSize { get; private set; }

    [Column(Name = "sort_order")]
    public int SortOrder { get; private set; }

    [Column(Name = "is_active")]
    public bool IsActive { get; private set; } = true;

    public Report() { }

    public Report(long id, string code, string name, string category, string description, string dataSql, string dataParams, int sortOrder, string config = "")
    {
        Id = id;
        Code = code ?? "";
        Name = name ?? "";
        Category = string.IsNullOrWhiteSpace(category) ? "通用" : category.Trim();
        Description = description ?? "";
        DataSql = dataSql ?? "";
        DataParams = string.IsNullOrWhiteSpace(dataParams) ? "[]" : dataParams;
        Config = config ?? "";
        SortOrder = sortOrder;
        IsActive = true;
        CreatedAt = DateTime.Now;
        AddDomainEvent(new Report_ChangedDomainEvent(Id));
    }

    public void UpdateBasic(string code, string name, string category, string description, string dataSql, string dataParams, int sortOrder, string? config = null)
    {
        Code = code ?? Code;
        Name = name ?? Name;
        Category = string.IsNullOrWhiteSpace(category) ? Category : category.Trim();
        Description = description ?? Description;
        DataSql = dataSql ?? DataSql;
        DataParams = string.IsNullOrWhiteSpace(dataParams) ? DataParams : dataParams;
        Config = config ?? Config;
        SortOrder = sortOrder;
        UpdatedAt = DateTime.Now;
        AddDomainEvent(new Report_ChangedDomainEvent(Id));
    }

    /// <summary>[已废弃] 旧版把模板二进制直接写在报表上；现模板存于 ReportFile.DesignContent</summary>
    public void UploadTemplate(byte[] data, string fileName)
    {
        TemplateData = data ?? Array.Empty<byte>();
        TemplateName = fileName ?? "";
        TemplateSize = TemplateData.Length;
        UpdatedAt = DateTime.Now;
        AddDomainEvent(new Report_ChangedDomainEvent(Id));
    }

    /// <summary>绑定模板文件实例（对齐 F9：Report.ReportFileId → ReportFile）</summary>
    public void BindReportFile(long reportFileId)
    {
        ReportFileId = reportFileId;
        UpdatedAt = DateTime.Now;
        AddDomainEvent(new Report_ChangedDomainEvent(Id));
    }

    /// <summary>迁移完成后清空废弃的旧模板字段</summary>
    public void ClearLegacyTemplate()
    {
        TemplateData = null;
        TemplateName = "";
        TemplateSize = 0;
    }

    public void Activate() { IsActive = true; UpdatedAt = DateTime.Now; AddDomainEvent(new Report_ChangedDomainEvent(Id)); }
    public void Deactivate() { IsActive = false; UpdatedAt = DateTime.Now; AddDomainEvent(new Report_ChangedDomainEvent(Id)); }
}