using System;
using System.Text;

namespace Sog.Log
{
    public class BDCLogHelper
    {
        private StringBuilder sb;
        
        public BDCLogHelper(int eventId)
        {
            sb = new StringBuilder();
            sb.Append("event_id=");
            sb.Append(eventId);
        }

        public void Append(string name, bool value)
        {
            sb.Append("|");
            sb.Append(name);
            sb.Append("=");
            sb.Append(value ? 1 : 0);
        }

        public void Append(string name, sbyte value)
        {
            sb.Append("|");
            sb.Append(name);
            sb.Append("=");
            sb.Append(value);
        }

        public void Append(string name, byte value)
        {
            sb.Append("|");
            sb.Append(name);
            sb.Append("=");
            sb.Append(value);
        }

        public void Append(string name, Int16 value)
        {
            sb.Append("|");
            sb.Append(name);
            sb.Append("=");
            sb.Append(value);
        }

        public void Append(string name, UInt16 value)
        {
            sb.Append("|");
            sb.Append(name);
            sb.Append("=");
            sb.Append(value);
        }

        public void Append(string name, int value)
        {
            sb.Append("|");
            sb.Append(name);
            sb.Append("=");
            sb.Append(value);
        }

        public void Append(string name, uint value)
        {
            sb.Append("|");
            sb.Append(name);
            sb.Append("=");
            sb.Append(value);
        }

        public void Append(string name, Int64 value)
        {
            sb.Append("|");
            sb.Append(name);
            sb.Append("=");
            sb.Append(value);
        }

        public void Append(string name, UInt64 value)
        {
            sb.Append("|");
            sb.Append(name);
            sb.Append("=");
            sb.Append(value);
        }

        public void Append(string name, string value)
        {
            sb.Append("|");
            sb.Append(name);
            sb.Append("=");
            if (value != null)
            {
                sb.Append(value);
            }
        }

        public void Append(string name, ReadOnlySpan<char> ptrValue)
        {
            sb.Append("|");
            sb.Append(name);
            sb.Append("=");
            if (ptrValue.IsEmpty == false)
            {
                sb.Append(ptrValue);
            }
        }

        public override string ToString()
        {
            return sb.ToString();
        }
    }
}