using Data.SeaHavenIndustries;
using Data.SeaHavenIndustries.Enums;
using Microsoft.EntityFrameworkCore;
using SeaHaven.DataServices.Implementation;
using SeaHaven.Services.DTOs;
using SeaHaven.Services.Exceptions;
using SeaHaven.Services.Helpers;
using SeaHaven.Services.Implementation;
using Xunit;

namespace SeaHavenIndustries.Tests;

public class WorkOrderUploadFileRulesTests
{
    [Theory]
    [InlineData("report.pdf", ".pdf")]
    [InlineData(@"C:\temp\photo.PNG", ".png")]
    [InlineData("../evil.jpg", ".jpg")]
    public void TryGetAllowedExtension_AcceptsSafeTypes(string name, string expectedExt)
    {
        var ok = WorkOrderUploadFileRules.TryGetAllowedExtension(name, out var ext, out var error);
        Assert.True(ok, error);
        Assert.Equal(expectedExt, ext);
    }

    [Theory]
    [InlineData("payload.exe")]
    [InlineData("noext")]
    [InlineData("")]
    [InlineData("..")]
    public void TryGetAllowedExtension_RejectsUnsafeTypes(string name)
    {
        var ok = WorkOrderUploadFileRules.TryGetAllowedExtension(name, out _, out var error);
        Assert.False(ok);
        Assert.False(string.IsNullOrWhiteSpace(error));
    }

    [Fact]
    public void BuildServerFileName_IsGuidPlusExtension_NoClientName()
    {
        var name = WorkOrderUploadFileRules.BuildServerFileName(".pdf");
        Assert.StartsWith(name[..32], name);
        Assert.EndsWith(".pdf", name);
        Assert.DoesNotContain("..", name);
        Assert.DoesNotContain("/", name);
        Assert.DoesNotContain("\\", name);
    }
}

public class WorkOrderUploadValidationOrderTests
{
    private static (ApplicationDbContext Context, WorkOrderCompletionService Completion, WorkOrderMediaService Media) CreateSut()
    {
        var options = new DbContextOptionsBuilder<ApplicationDbContext>()
            .UseInMemoryDatabase(Guid.NewGuid().ToString())
            .Options;
        var context = new ApplicationDbContext(options);
        var templateData = new CompletionDocTemplateDataService(context);
        var detailData = new WorkOrderDetailDataService(context);
        var fieldLocks = new WorkOrderFieldLockService(context);
        var audit = new WorkOrderAuditService(context, fieldLocks);
        var completion = new WorkOrderCompletionService(context, templateData, detailData, audit);
        var media = new WorkOrderMediaService(context, detailData);
        return (context, completion, media);
    }

    [Fact]
    public async Task EnsureCanUploadCompletionDoc_NotFound_ThrowsBeforeAnyPersist()
    {
        var (_, completion, _) = CreateSut();

        var ex = await Assert.ThrowsAsync<WorkOrderBoardValidationException>(() =>
            completion.EnsureCanUploadCompletionDocAsync(
                999,
                new WorkOrderCompletionDocUploadDto
                {
                    WorkOrderVersion = Convert.ToBase64String(new byte[] { 1, 0, 0, 0, 0, 0, 0, 1 })
                }));

        Assert.Equal("NotFound", ex.Code);
    }

    [Fact]
    public async Task EnsureCanUploadCompletionDoc_ReadOnly_Throws()
    {
        var (context, completion, _) = CreateSut();
        context.workOrders.Add(new WorkOrder
        {
            Id = 1,
            LifecycleStatus = LifecycleStatus.Completed,
            RowVersion = new byte[] { 1, 0, 0, 0, 0, 0, 0, 1 }
        });
        await context.SaveChangesAsync();

        var ex = await Assert.ThrowsAsync<WorkOrderBoardValidationException>(() =>
            completion.EnsureCanUploadCompletionDocAsync(
                1,
                new WorkOrderCompletionDocUploadDto
                {
                    WorkOrderVersion = Convert.ToBase64String(new byte[] { 1, 0, 0, 0, 0, 0, 0, 1 })
                }));

        Assert.Equal("ReadOnly", ex.Code);
    }

    [Fact]
    public async Task EnsureCanAddMedia_NotFound_Throws()
    {
        var (_, _, media) = CreateSut();

        var ex = await Assert.ThrowsAsync<WorkOrderBoardValidationException>(() =>
            media.EnsureCanAddMediaAsync(999, WorkOrderMediaCategory.Before));

        Assert.Equal("NotFound", ex.Code);
    }
}