using System.Text;
using System.Text.Json;

using NetTopologySuite.Features;
using NetTopologySuite.Geometries;
using NetTopologySuite.IO.Converters;

JsonSerializerOptions options = new() { Converters = { new GeoJsonConverterFactory() } };

(Type NtsType, string Json)[] fails =
[
    (typeof(FeatureCollection[]), """
    { "type": "FeatureCollection", "_other": { } }
    """),

    (typeof(IFeature[]), """
    { "type": "Feature", "_other": { } }
    """),

    (typeof(Point[]), """
    { "type": "Point", "_other": { }, "coordinates": null }
    """),
];

for (int i = 0; i < fails.Length; i++)
{
    byte[] payload = Encoding.UTF8.GetBytes(fails[i].Json);
    using OneByOneStream s = new();
    s.WriteByte((byte)'[');
    s.Write(payload);
    for (int j = 0; j < 500; j++)
    {
        s.WriteByte((byte)',');
        s.Write(payload);
    }

    s.WriteByte((byte)']');
    s.Position = 0;
    try
    {
        _ = JsonSerializer.Deserialize(s, fails[i].NtsType, options);
        Console.Error.WriteLine("No error!");
    }
    catch (JsonException ex)
    {
        Console.Error.WriteLine($"{fails[i].Json}:");
        Console.Error.WriteLine($"{new string(' ', (int)ex.BytePositionInLine!.Value)}^");
        Console.Error.WriteLine($"    {ex.Message}");
        Console.Error.WriteLine($"    ->    {ex.InnerException?.Message}");
        Console.Error.WriteLine();
    }
}

internal sealed class OneByOneStream : MemoryStream
{
    public override int Read(Span<byte> buffer) => base.Read(buffer[..Math.Min(buffer.Length, 1)]);
    public override int Read(byte[] buffer, int offset, int count) => base.Read(buffer, offset, Math.Min(count, 1));
}