using System;
using Erp.SqlQueryManager.Domain.Shared;
using Volo.Abp.Domain.Entities.Auditing;
using Volo.Abp.MultiTenancy;

namespace Erp.SqlQueryManager.Domain.Entities;

/// <summary>
/// SQL Function entity for creating and managing database functions
/// </summary>
public class SqlFunction : FullAuditedEntity<Guid>, IMultiTenant
{
    public Guid? TenantId { get; set; }
    
    /// <summary>
    /// Function name in database
    /// </summary>
    public string FunctionName { get; set; }
    
    /// <summary>
    /// Schema name (default: dbo)
    /// </summary>
    public string SchemaName { get; set; }
    
    /// <summary>
    /// Display name
    /// </summary>
    public string DisplayName { get; set; }
    
    /// <summary>
    /// Description
    /// </summary>
    public string Description { get; set; }
    
    /// <summary>
    /// Function type
    /// </summary>
    public SqlFunctionType FunctionType { get; set; }
    
    /// <summary>
    /// Full function definition (CREATE/ALTER)
    /// </summary>
    public string FunctionBody { get; set; }
    
    /// <summary>
    /// Return type definition
    /// </summary>
    public string ReturnType { get; set; }
    
    /// <summary>
    /// DataSource code
    /// </summary>
    public string DataSourceCode { get; set; }
    
    /// <summary>
    /// Status
    /// </summary>
    public SqlQueryStatus Status { get; set; }
    
    /// <summary>
    /// Category
    /// </summary>
    public string Category { get; set; }
    
    /// <summary>
    /// Whether function exists in database
    /// </summary>
    public bool IsDeployed { get; set; }
    
    /// <summary>
    /// Last deployment time
    /// </summary>
    public DateTime? LastDeployedAt { get; set; }
    
    /// <summary>
    /// Parameter definitions (JSON)
    /// </summary>
    public string Parameters { get; set; }

    protected SqlFunction()
    {
    }

    public SqlFunction(
        Guid id,
        string functionName,
        string schemaName,
        string displayName,
        SqlFunctionType functionType,
        string functionBody,
        string returnType,
        string dataSourceCode,
        Guid? tenantId = null) : base(id)
    {
        FunctionName = functionName;
        SchemaName = schemaName ?? "dbo";
        DisplayName = displayName;
        FunctionType = functionType;
        FunctionBody = functionBody;
        ReturnType = returnType;
        DataSourceCode = dataSourceCode;
        TenantId = tenantId;
        Status = SqlQueryStatus.Draft;
        IsDeployed = false;
    }

    public void UpdateBody(string body)
    {
        FunctionBody = body;
    }

    public void MarkAsDeployed()
    {
        IsDeployed = true;
        LastDeployedAt = DateTime.UtcNow;
        Status = SqlQueryStatus.Active;
    }

    public string GetFullName() => $"{SchemaName}.{FunctionName}";
}