using JobTrackerApi.Models;
using JobTrackerApi.Services;
using JobTrackerApi.Tests.TestSupport;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Hosting;
using Moq;
using Xunit;

namespace JobTrackerApi.Tests;

public class CvImportRetentionTests
{
    [Theory]
    [InlineData("pending_review", 8, true)]
    [InlineData("cancelled", 2, true)]
    [InlineData("failed", 2, true)]
    [InlineData("pending_review", 2, false)]
    public async Task Original_sources_have_bounded_retention_and_recent_reviews_survive(string status, int days, bool expires)
    {
        var root = Path.Combine(Path.GetTempPath(), "cv-import-retention-" + Guid.NewGuid().ToString("N"));
        var environment = Mock.Of<IHostEnvironment>(e => e.ContentRootPath == root);
        var paths = new AppPaths(new ConfigurationBuilder().AddInMemoryCollection(new Dictionary<string, string?> { ["Data:Root"] = root }).Build(), environment);
        try
        {
            await using var db = TestHostFactory.CreateInMemoryDb();
            var file = Path.Combine(paths.CvArtifactsRoot, "synthetic.pdf");
            await File.WriteAllTextAsync(file, "Synthetic source");
            var orphanDirectory = Directory.CreateDirectory(Path.Combine(paths.CvArtifactsRoot, "user-1")).FullName;
            var orphan = Path.Combine(orphanDirectory, "20260101010101-" + Guid.NewGuid().ToString("N") + ".pdf");
            await File.WriteAllTextAsync(orphan, "Interrupted upload");
            File.SetLastWriteTimeUtc(orphan, DateTime.UtcNow.AddDays(-8));
            var unrelated = Path.Combine(orphanDirectory, "unrelated.pdf");
            await File.WriteAllTextAsync(unrelated, "Preserve unrelated file");
            var now = DateTimeOffset.UtcNow;
            var run = new CvExtractionRun { OwnerUserId = "user-1", ParserVersion = "docling-v1", Trigger = "document_import", Status = status, StartedAtUtc = now.AddDays(-days), RawExtractedText = "Source", DocumentJson = "{}", StructuredProfileJson = "{}", Artifact = new() { OwnerUserId = "user-1", StoragePath = file } };
            db.CvExtractionRuns.Add(run);
            await db.SaveChangesAsync();
            await CvImportRetentionHostedService.SweepAsync(db, paths, now, default);
            Assert.False(File.Exists(orphan));
            Assert.True(File.Exists(unrelated));
            Assert.Equal(!expires, File.Exists(file));
            Assert.Equal(expires, run.DocumentJson is null);
            Assert.Equal(expires && status == "pending_review" ? "expired" : status, run.Status);
        }
        finally { Directory.Delete(root, true); }
    }
}