using System.Collections.Immutable;
using System.Text.Json;

namespace StellaOps.Aoc;

public sealed partial class AocWriteGuard
{
    private static void ValidateContent(
        JsonElement document,
        ImmutableArray<AocViolation>.Builder violations)
    {
        if (document.TryGetProperty("content", out var content) && content.ValueKind == JsonValueKind.Object)
        {
            if (!content.TryGetProperty("raw", out var raw) || raw.ValueKind is JsonValueKind.Null or JsonValueKind.Undefined)
            {
                violations.Add(AocViolation.Create(
                    AocViolationCode.MissingProvenance,
                    "/content/raw",
                    "Raw upstream payload must be preserved."));
            }
        }
        else
        {
            violations.Add(AocViolation.Create(
                AocViolationCode.MissingRequiredField,
                "/content",
                "Content metadata is required."));
        }
    }

    private static void ValidateLinkset(
        JsonElement document,
        ImmutableArray<AocViolation>.Builder violations)
    {
        if (!document.TryGetProperty("linkset", out var linkset) || linkset.ValueKind != JsonValueKind.Object)
        {
            violations.Add(AocViolation.Create(
                AocViolationCode.MissingRequiredField,
                "/linkset",
                "Linkset metadata is required."));
        }
    }
}