using Strata.SqlTools.SqlBreakdown.Interfaces;
using System.Text;

namespace Strata.SqlTools.SqlBreakdown.Tests.SqlBreakdownCollectionTests;

/// <summary>
/// Base class for SqlBreakdownCollection tests containing shared test utilities and mock implementations.
/// </summary>
public class SqlBreakdownCollectionTestBase
{
    /// <summary>
    /// Mock implementation of ISqlBreakdown for testing purposes.
    /// </summary>
    public class MockSqlBreakdown : ISqlBreakdown
    {
        private readonly string _sql;

        public MockSqlBreakdown(string sql)
        {
            _sql = sql;
            SetupClauses = new List<string>();
            FinishClauses = new System.Collections.ArrayList();
        }

        public string? RawSql { get; set; }
        public List<string> SetupClauses { get; set; }
        public bool IsUsingSetupClause => SetupClauses.Count > 0;
        public System.Collections.ArrayList FinishClauses { get; set; }
        public bool IsUsingFinishClause => FinishClauses.Count > 0;

        public string GetSql(bool includeSetupFinish = true)
        {
            var sb = new StringBuilder();

            if (includeSetupFinish)
            {
                foreach (string setup in SetupClauses)
                {
                    sb.AppendLine(setup);
                }
            }

            sb.Append(_sql);

            if (includeSetupFinish)
            {
                foreach (string finish in FinishClauses)
                {
                    sb.AppendLine(finish);
                }
            }

            return sb.ToString();
        }

        public override string ToString() => GetSql();

        public object Clone()
        {
            var clone = (MockSqlBreakdown)MemberwiseClone();
            clone.SetupClauses = new List<string>(SetupClauses);
            clone.FinishClauses = new System.Collections.ArrayList(FinishClauses);
            return clone;
        }
    }
}