using Kompas.Mcp.Core.Documents;
using Kompas.Mcp.Core.Drawings;
using Kompas.Mcp.Core.Modeling;

namespace Kompas.Mcp.Tests.Integration;

/// <summary>Интеграция: свободная текстовая надпись на виде (API7 IDrawingContainer.DrawingTexts + IText).</summary>
[Trait("Category", "Integration")]
[Collection(KompasCollection.Name)]
public sealed class DrawingTextTests : IntegrationTestBase
{
    private readonly DocumentService _docs;
    private readonly PartModeler _modeler;
    private readonly DrawingService _drawing;

    public DrawingTextTests(KompasFixture fx) : base(fx)
    {
        _docs = new DocumentService(fx.Session, fx.Dispatcher);
        _modeler = new PartModeler(fx.Session, fx.Dispatcher);
        _drawing = new DrawingService(fx.Session, fx.Dispatcher);
    }

    private async Task<string> BuildAndSaveBoxAsync()
    {
        var path = TestPaths.NewFile(".m3d");
        await _docs.CreateAsync(KompasDocumentType.Part);
        try
        {
            var s = await _modeler.OpenSketchAsync(BasePlane.XOY);
            await _modeler.AddRectangleAsync(s, 0, 0, 40, 30);
            await _modeler.CloseSketchAsync(s);
            await _modeler.ExtrudeAsync(s, depth: 20);
            await _modeler.RebuildAsync();
            await _docs.SaveAsAsync(path);
        }
        finally { await _docs.CloseAsync(save: false); }
        return path;
    }

    [Fact]
    public async Task Text_is_placed_and_targets_view()
    {
        var partFile = await BuildAndSaveBoxAsync();
        await _docs.CreateAsync(KompasDocumentType.Drawing);
        try
        {
            var views = await _drawing.CreateStandardViewsAsync(partFile, 1.0, 100, 150);
            var target = views.ViewNumbers[0];

            var before = await _drawing.GetViewTextCountAsync(target);
            var r = await _drawing.AddTextAsync(target, x: 30, y: 45, text: "Образец надписи", angleDeg: 0);
            var after = await _drawing.GetViewTextCountAsync(target);

            Assert.Equal(target, r.ViewNumber);
            Assert.Equal("Образец надписи", r.Value); // read-back из COM
            Assert.Equal(before + 1, after);
        }
        finally { await _docs.CloseAsync(save: false); }
    }

    [Fact]
    public async Task Multiline_text_round_trips()
    {
        var partFile = await BuildAndSaveBoxAsync();
        await _docs.CreateAsync(KompasDocumentType.Drawing);
        try
        {
            await _drawing.CreateStandardViewsAsync(partFile, 1.0, 100, 150);
            var r = await _drawing.AddTextAsync(0, x: 10, y: 10, text: "Строка один\nСтрока два", angleDeg: 0);
            Assert.Contains("Строка один", r.Value);
            Assert.Contains("Строка два", r.Value);
        }
        finally { await _docs.CloseAsync(save: false); }
    }

    [Fact]
    public async Task Empty_text_throws()
    {
        var partFile = await BuildAndSaveBoxAsync();
        await _docs.CreateAsync(KompasDocumentType.Drawing);
        try
        {
            await _drawing.CreateStandardViewsAsync(partFile, 1.0, 100, 150);
            await Assert.ThrowsAsync<ArgumentException>(() =>
                _drawing.AddTextAsync(0, x: 10, y: 10, text: "   ", angleDeg: 0));
        }
        finally { await _docs.CloseAsync(save: false); }
    }

    [Fact]
    public async Task No_views_throws()
    {
        await _docs.CreateAsync(KompasDocumentType.Drawing);
        try
        {
            await Assert.ThrowsAsync<InvalidOperationException>(() =>
                _drawing.AddTextAsync(0, x: 0, y: 0, text: "Текст", angleDeg: 0));
        }
        finally { await _docs.CloseAsync(save: false); }
    }

    [Fact]
    public async Task Unknown_view_number_throws()
    {
        var partFile = await BuildAndSaveBoxAsync();
        await _docs.CreateAsync(KompasDocumentType.Drawing);
        try
        {
            await _drawing.CreateStandardViewsAsync(partFile, 1.0, 100, 150);
            await Assert.ThrowsAsync<InvalidOperationException>(() =>
                _drawing.AddTextAsync(999, x: 0, y: 0, text: "Текст", angleDeg: 0));
        }
        finally { await _docs.CloseAsync(save: false); }
    }
}
