using System;
using System.Text;
using System.Collections.Generic;
using ln.json.mapping;

namespace ln.json
{
    public class JSONArray : JSONValue
    {
        public override IEnumerable<JSONValue> Children => Values;
        public override bool HasChildren => true;

        public int Count => values.Count;

        public override object ToNative()
        {
            return JSONMapper.DefaultMapper.FromJson(this, typeof(object[]));
        }

        JSONValue[] Values
        {
            get => values.ToArray();
            set
            {
                values.Clear();
                values.AddRange(value);
            }
        }

        List<JSONValue> values = new List<JSONValue>();

        public JSONArray()
            : base(JSONValueType.ARRAY) { }

        public override JSONValue this[int index] {
            get => values[index];
            set => values[index] = value;
        }

        public JSONArray Add(JSONValue value){ values.Add(value); return this; }
        public JSONArray Remove(int index) { values.RemoveAt(index); return this; }

        public override string ToString()
        {

            StringBuilder sb = new StringBuilder();
            sb.Append('[');

            IEnumerator<JSONValue> kenum = values.GetEnumerator();
            if (kenum.MoveNext())
                do
                {
                    sb.Append(kenum.Current.ToString());

                    if (!kenum.MoveNext())
                        break;
                    sb.Append(',');
                } while (true);

            sb.Append(']');
            return sb.ToString();
        }

    }
}