using System.Diagnostics;
using Strata.SqlTools.SqlBreakdown.Interfaces.Core;

namespace Strata.SqlTools.SqlBreakdown.Classes;

#pragma warning disable S1694 // An abstract class should have both abstract and concrete methods
public abstract class SelectSource : IVisitable
{
    public abstract T Accept<T>(IVisitor<T> visitor);
}

[DebuggerDisplay("{TableName}")]
public class TableSource : SelectSource
{
    public string TableName { get; }

    public string? Schema { get; }

    public string? Alias { get; }

    public TableSource(string tableName) : this(tableName, null)
    {

    }

#pragma warning disable S3427 // Method overloads with default parameter values should not overlap
    public TableSource(string tableName, string? schema = null, string? alias = null)
    {
        TableName = string.IsNullOrWhiteSpace(tableName) ? throw new ArgumentNullException(nameof(tableName)) : tableName;
        Schema = string.IsNullOrWhiteSpace(schema) ? null : schema;
        Alias = string.IsNullOrWhiteSpace(alias) ? null : alias;
    }
#pragma warning restore S3427

    public override T Accept<T>(IVisitor<T> visitor)
    {
        return visitor.VisitTableSource(this);
    }
}

public class RegisteredTableSource : TableSource
{
    public int TableId { get; }

    public RegisteredTableSource(int tableId, string tableSchema, string tableName)
        : this(tableId, tableSchema, tableName, null)
    {

    }

    public RegisteredTableSource(int tableId, string tableSchema, string tableName, string? alias) : base(tableName, tableSchema, alias)
    {
        if (tableId <= 0)
        {
            throw new ArgumentException("tableId must be greater than 0", nameof(tableId));
        }

        if (string.IsNullOrWhiteSpace(tableSchema))
        {
            throw new ArgumentException("tableName cannot be null or whitespace", nameof(tableSchema));
        }

        if (string.IsNullOrWhiteSpace(tableName))
        {
            throw new ArgumentException("tableName cannot be null or whitespace", nameof(tableName));
        }

        TableId = tableId;
    }
}
#pragma warning restore S1694