food-market/tests/food-market.UnitTests/ClaudeCliInvoicePhotosParseTests.cs

using FluentAssertions;
using foodmarket.Api.Infrastructure.Invoices;
using Xunit;

namespace foodmarket.UnitTests;

/// <summary>Разбор JSON-ответа модели для фото-приёмки (handoff §5): к обычной
/// шапке добавляются <c>photo</c>, <c>barcode_source</c> (invoice|decoded|read),
/// <c>comment</c> → <c>Note</c>, и <c>unmatched_photos</c> → <c>Warnings</c>.
/// barcode_source=null (или отсутствует) означает «цифры не прочитаны уверенно»
/// и мы обнуляем <c>Barcode</c>, чтобы не подставить что-то наугад.</summary>
public class ClaudeCliInvoicePhotosParseTests
{
    [Fact]
    public void Photos_decoded_source_passes_through()
    {
        var json = """
        {
          "supplier":"ТОО X","number":"7","date":"2026-10-05","total":4500,
          "invoice_photos":[1],
          "lines":[
            {"name":"Молоко 3.2%","qty":10,"price":450,"sum":4500,
             "barcode":"4870001234561","barcode_source":"decoded","photo":2,"comment":null}
          ],
          "unmatched_photos":[]
        }
        """;
        var inv = ClaudeCliInvoiceExtractor.FromPhotosJson(json);
        inv.Lines.Should().HaveCount(1);
        var l = inv.Lines[0];
        l.Barcode.Should().Be("4870001234561");
        l.BarcodeSource.Should().Be("decoded");
        l.Photo.Should().Be(2);
        inv.Warnings.Should().BeEmpty();
    }

    [Fact]
    public void Photos_source_null_clears_barcode()
    {
        // Если модель не уверена в цифрах, barcode_source=null → штрихкод не берём,
        // чтобы не привязать строку к чужому товару.
        var json = """
        {"supplier":"X","lines":[
          {"name":"A","qty":1,"price":10,"barcode":"4870000000000","barcode_source":null,"photo":null}
        ]}
        """;
        var inv = ClaudeCliInvoiceExtractor.FromPhotosJson(json);
        inv.Lines[0].Barcode.Should().BeNull();
        inv.Lines[0].BarcodeSource.Should().BeNull();
    }

    [Fact]
    public void Unmatched_photos_become_warning()
    {
        var json = """
        {"supplier":"X","lines":[{"name":"A","qty":1,"price":10}],
         "unmatched_photos":[5,7]}
        """;
        var inv = ClaudeCliInvoiceExtractor.FromPhotosJson(json);
        inv.Warnings.Should().ContainMatch("*5*7*");
    }

    [Fact]
    public void Comment_lands_in_note()
    {
        var json = """
        {"supplier":"X","lines":[
          {"name":"А","qty":1,"price":10,"barcode_source":"invoice","comment":"сверьте вес"}
        ]}
        """;
        var inv = ClaudeCliInvoiceExtractor.FromPhotosJson(json);
        inv.Lines[0].Note.Should().Be("сверьте вес");
    }
}