using System;
using System.Collections.ObjectModel;
using System.Text.Json.Serialization;

namespace Adaptation.FileHandlers.pcl;

#nullable enable

internal class Complete
{

    public Complete(Header header, Summary summary, ReadOnlyCollection<Point> points)
    {
        Header = header;
        Summary = summary;
        Points = points;
    }

    public Header Header { get; }
    public Summary Summary { get; }
    public ReadOnlyCollection<Point> Points { get; }

    public static Complete? Get(int take, string site, string multiple, string summaryLine, string lastUnits, string lastUnitsB, ReadOnlyCollection<string> lines)
    {
        Complete? result;
        Header? header = Header.Get(lines, site, summaryLine);
        if (header is null)
            result = null;
        else
        {
            Summary? summary = SummarySegment.Get(lines, site, summaryLine, lastUnits);
            if (summary is null)
                result = null;
            else
            {
                ReadOnlyCollection<Point> points = Point.GetCollection(lines, take, site, multiple, summaryLine, lastUnitsB) ?? throw new NullReferenceException(nameof(summary));
                if (points.Count == 0)
                    result = null;
                else
                    result = new(header, summary, points);
            }
        }
        return result;
    }

}

[JsonSourceGenerationOptions(WriteIndented = true)]
[JsonSerializable(typeof(Complete))]
internal partial class CompleteSourceGenerationContext : JsonSerializerContext
{
}