namespace Qrakhen.Qamp.Core.Values.Objects;

public class Structure(IEnumerable<KeyValuePair<string, Value>> data) : ItemProvider<string>(ValueType.Structure)
{
    public bool Sealed;
    public Dictionary<string, Value> Data = new(data);

    protected override void InnerSet(string index, Value value)
    {
        Data[index] = value;
    }

    protected override Value InnerGet(string index)
    {
        return Data[index];
    }

    protected override void AssertValidAccesor(string index)
    {
        if (Sealed && !Data.ContainsKey(index))
            throw new ItemProviderException($"Can not set non-existent key '{index}' of sealed structure.", this);
    }

    protected override string ExtractIndex(Value value)
    {
        string index;
        if (value.IsString)
            index = value.Ptr.As<String>()!.Value!;
        else
            throw new ItemProviderException($"Can not use {value} as an accessor, as it is not a string.", this);

        return index;
    }

    public override string ToString() => ToString(true);
    public string ToString(bool detail) => detail ? $"{{{string.Join("\n,", Data)}}}" : $"Structure{{{Data.Count}}}";
}