using Socialize.Api.Modules.Feedback.Data;
using Socialize.Api.Modules.Feedback.Contracts;
using Socialize.Api.Modules.Feedback.Services;
using System.Text.Json;

namespace Socialize.Tests.Feedback;

public class FeedbackRulesTests
{
    [Theory]
    [InlineData("Bug", FeedbackType.Bug)]
    [InlineData("suggestion", FeedbackType.Suggestion)]
    [InlineData("Request", FeedbackType.Request)]
    public void TryParseType_accepts_supported_types(string value, FeedbackType expected)
    {
        bool parsed = FeedbackRules.TryParseType(value, out FeedbackType type);

        Assert.True(parsed);
        Assert.Equal(expected, type);
    }

    [Theory]
    [InlineData("")]
    [InlineData("Question")]
    [InlineData("Incident")]
    public void TryParseType_rejects_unsupported_types(string value)
    {
        bool parsed = FeedbackRules.TryParseType(value, out _);

        Assert.False(parsed);
    }

    [Theory]
    [InlineData("New", FeedbackStatus.New)]
    [InlineData("Planned", FeedbackStatus.Planned)]
    [InlineData("Resolved", FeedbackStatus.Resolved)]
    [InlineData("Won't Do", FeedbackStatus.WontDo)]
    [InlineData("WontDo", FeedbackStatus.WontDo)]
    [InlineData("Cancelled", FeedbackStatus.Cancelled)]
    public void TryParseStatus_accepts_supported_statuses(string value, FeedbackStatus expected)
    {
        bool parsed = FeedbackRules.TryParseStatus(value, out FeedbackStatus status);

        Assert.True(parsed);
        Assert.Equal(expected, status);
    }

    [Fact]
    public void CanDeveloperSetStatus_rejects_cancelled_destination()
    {
        bool allowed = FeedbackRules.CanDeveloperSetStatus(FeedbackStatus.New, FeedbackStatus.Cancelled);

        Assert.False(allowed);
    }

    [Fact]
    public void CanDeveloperSetStatus_rejects_changes_after_cancelled()
    {
        bool allowed = FeedbackRules.CanDeveloperSetStatus(FeedbackStatus.Cancelled, FeedbackStatus.Planned);

        Assert.False(allowed);
    }

    [Fact]
    public void CanReporterCancel_rejects_cancelled_report()
    {
        bool allowed = FeedbackRules.CanReporterCancel(FeedbackStatus.Cancelled);

        Assert.False(allowed);
    }

    [Fact]
    public void CanReporterAccess_allows_report_owner()
    {
        Guid reporterUserId = Guid.NewGuid();
        FeedbackReport report = new() { ReporterUserId = reporterUserId };

        bool allowed = FeedbackAccessRules.CanReporterAccess(report, reporterUserId);

        Assert.True(allowed);
    }

    [Fact]
    public void CanReporterAccess_rejects_other_users()
    {
        FeedbackReport report = new() { ReporterUserId = Guid.NewGuid() };

        bool allowed = FeedbackAccessRules.CanReporterAccess(report, Guid.NewGuid());

        Assert.False(allowed);
    }

    [Fact]
    public void CanReporterCancel_requires_owner_and_non_final_status()
    {
        Guid reporterUserId = Guid.NewGuid();
        FeedbackReport report = new()
        {
            ReporterUserId = reporterUserId,
            Status = FeedbackStatus.New,
        };

        bool ownerAllowed = FeedbackAccessRules.CanReporterCancel(report, reporterUserId);
        bool otherUserAllowed = FeedbackAccessRules.CanReporterCancel(report, Guid.NewGuid());

        Assert.True(ownerAllowed);
        Assert.False(otherUserAllowed);
    }

    [Fact]
    public void CanReporterComment_requires_report_owner()
    {
        Guid reporterUserId = Guid.NewGuid();
        FeedbackReport report = new() { ReporterUserId = reporterUserId };

        bool ownerAllowed = FeedbackAccessRules.CanReporterComment(report, reporterUserId);
        bool otherUserAllowed = FeedbackAccessRules.CanReporterComment(report, Guid.NewGuid());

        Assert.True(ownerAllowed);
        Assert.False(otherUserAllowed);
    }

    [Fact]
    public void CanDeveloperComment_requires_developer_role()
    {
        Assert.True(FeedbackAccessRules.CanDeveloperComment(isDeveloper: true));
        Assert.False(FeedbackAccessRules.CanDeveloperComment(isDeveloper: false));
    }

    [Fact]
    public void CanAccessScreenshot_allows_report_owner()
    {
        Guid reporterUserId = Guid.NewGuid();
        FeedbackReport report = new() { ReporterUserId = reporterUserId };

        bool allowed = FeedbackAccessRules.CanAccessScreenshot(report, reporterUserId, isDeveloper: false);

        Assert.True(allowed);
    }

    [Fact]
    public void CanAccessScreenshot_allows_developer()
    {
        FeedbackReport report = new() { ReporterUserId = Guid.NewGuid() };

        bool allowed = FeedbackAccessRules.CanAccessScreenshot(report, Guid.NewGuid(), isDeveloper: true);

        Assert.True(allowed);
    }

    [Fact]
    public void CanAccessScreenshot_rejects_unrelated_non_developer()
    {
        FeedbackReport report = new() { ReporterUserId = Guid.NewGuid() };

        bool allowed = FeedbackAccessRules.CanAccessScreenshot(report, Guid.NewGuid(), isDeveloper: false);

        Assert.False(allowed);
    }

    [Theory]
    [InlineData("image/png")]
    [InlineData("image/jpeg")]
    [InlineData("image/jpg")]
    public void Screenshot_content_type_allows_png_and_jpeg(string contentType)
    {
        bool allowed = FeedbackScreenshotRules.IsAllowedContentType(contentType);

        Assert.True(allowed);
    }

    [Theory]
    [InlineData("text/html")]
    [InlineData("application/pdf")]
    [InlineData("")]
    public void Screenshot_content_type_rejects_non_images(string contentType)
    {
        bool allowed = FeedbackScreenshotRules.IsAllowedContentType(contentType);

        Assert.False(allowed);
    }

    [Theory]
    [InlineData(1)]
    [InlineData(FeedbackScreenshotRules.MaxScreenshotBytes)]
    public void Screenshot_size_allows_non_empty_files_up_to_limit(long sizeBytes)
    {
        bool allowed = FeedbackScreenshotRules.IsAllowedSize(sizeBytes);

        Assert.True(allowed);
    }

    [Theory]
    [InlineData(0)]
    [InlineData(FeedbackScreenshotRules.MaxScreenshotBytes + 1)]
    public void Screenshot_size_rejects_empty_and_oversized_files(long sizeBytes)
    {
        bool allowed = FeedbackScreenshotRules.IsAllowedSize(sizeBytes);

        Assert.False(allowed);
    }

    [Fact]
    public void NormalizeTags_trims_deduplicates_and_orders()
    {
        IReadOnlyCollection<string> tags = FeedbackRules.NormalizeTags([" mobile ", "bug", "Mobile", ""]);

        Assert.Equal(["bug", "mobile"], tags);
    }

    [Fact]
    public void Feedback_report_dto_returns_mixed_timeline_in_created_order()
    {
        Guid reportId = Guid.NewGuid();
        DateTimeOffset now = DateTimeOffset.UtcNow;
        FeedbackReport report = new()
        {
            Id = reportId,
            Type = FeedbackType.Bug,
            Status = FeedbackStatus.New,
            Description = "Broken layout",
            ReporterUserId = Guid.NewGuid(),
            ReporterDisplayName = "Reporter",
            ReporterEmail = "reporter@example.com",
            SubmittedPath = "/app/example",
            CreatedAt = now,
            LastActivityAt = now.AddMinutes(2),
        };
        report.ActivityEntries.Add(new FeedbackActivityEntry
        {
            Id = Guid.NewGuid(),
            FeedbackReportId = reportId,
            ActorUserId = Guid.NewGuid(),
            ActorDisplayName = "Developer",
            ActorEmail = "dev@example.com",
            ActivityType = FeedbackActivityTypes.StatusChanged,
            FromValue = "New",
            ToValue = "Planned",
            CreatedAt = now.AddMinutes(2),
        });
        report.Comments.Add(new FeedbackComment
        {
            Id = Guid.NewGuid(),
            FeedbackReportId = reportId,
            AuthorUserId = report.ReporterUserId,
            AuthorDisplayName = "Reporter",
            AuthorEmail = "reporter@example.com",
            AuthorRole = "Reporter",
            Body = "More context",
            CreatedAt = now.AddMinutes(1),
        });

        FeedbackReportDto dto = report.ToDto();

        Assert.Equal(["Comment", "Activity"], dto.Timeline.Select(item => item.Kind).ToArray());
        Assert.Equal("More context", dto.Timeline.First().Body);
        Assert.Equal(FeedbackActivityTypes.StatusChanged, dto.Timeline.Last().ActivityType);
    }

    [Fact]
    public void Feedback_notification_metadata_includes_target_route()
    {
        Guid reportId = Guid.NewGuid();

        string developerMetadata = FeedbackNotificationRoutes.BuildMetadataJson(reportId, developerRoute: true);
        string reporterMetadata = FeedbackNotificationRoutes.BuildMetadataJson(reportId, developerRoute: false);

        using JsonDocument developerDocument = JsonDocument.Parse(developerMetadata);
        using JsonDocument reporterDocument = JsonDocument.Parse(reporterMetadata);
        Assert.Equal($"/app/feedback/{reportId}", developerDocument.RootElement.GetProperty("route").GetString());
        Assert.Equal($"/app/my-feedback/{reportId}", reporterDocument.RootElement.GetProperty("route").GetString());
        Assert.True(developerDocument.RootElement.GetProperty("isFeedbackNotification").GetBoolean());
    }
}