using Luban.Job.Cfg.Datas;
using Luban.Job.Cfg.DataSources;
using Luban.Job.Cfg.DataVisitors;
using Luban.Job.Cfg.Defs;
using System.Collections.Generic;
using System.Text;

namespace Luban.Job.Cfg.DataExporters
{
    class LuaExportor
    {
        public static LuaExportor Ins { get; } = new LuaExportor();

        public void ExportTableSingleton(DefTable t, Record record, StringBuilder result)
        {
            result.Append("return ").AppendLine();
            result.Append(record.Data.Apply(ToLuaLiteralVisitor.Ins));
        }

        public void ExportTableMap(DefTable t, List<Record> records, StringBuilder s)
        {
            s.Append("return").AppendLine();
            s.Append('{').AppendLine();
            foreach (Record r in records)
            {
                DBean d = r.Data;
                s.Append($"[{d.GetField(t.Index).Apply(ToLuaLiteralVisitor.Ins)}] = ");
                s.Append(d.Apply(ToLuaLiteralVisitor.Ins));
                s.Append(',').AppendLine();
            }
            s.Append('}');
        }
    }
}