using System;
using LBPUnion.ProjectLighthouse.Administration.Maintenance.RepeatingTasks;
using LBPUnion.ProjectLighthouse.Database;
using LBPUnion.ProjectLighthouse.Tests.Helpers;
using LBPUnion.ProjectLighthouse.Types.Entities.Moderation;
using Microsoft.EntityFrameworkCore;
using Xunit;

namespace LBPUnion.ProjectLighthouse.Tests.Unit;

[Trait("Category", "Unit")]
public class ModerationTests
{
    [Fact]
    public async void DismissExpiredCases_ShouldDismissExpiredCase()
    {
        await using DatabaseContext database = await MockHelper.GetTestDatabase();

        ModerationCaseEntity @case = new()
        {
            CaseId = 1,
            CreatorId = 1,
            ExpiresAt = DateTime.UnixEpoch,
            CreatorUsername = "unitTestUser",
        };

        database.Cases.Add(@case);

        await database.SaveChangesAsync();

        DismissExpiredCasesTask task = new();
        await task.Run(database);

        Assert.NotNull(await database.Cases.FirstOrDefaultAsync(c => c.CaseId == 1 && c.DismissedAt != null));
    }

    [Fact]
    public async void DismissExpiredCases_ShouldNotDismissActiveCase()
    {
        await using DatabaseContext database = await MockHelper.GetTestDatabase();

        ModerationCaseEntity @case = new()
        {
            CaseId = 2,
            CreatorId = 1,
            ExpiresAt = DateTime.UtcNow.AddHours(1),
            CreatorUsername = "unitTestUser",
        };

        database.Cases.Add(@case);

        await database.SaveChangesAsync();

        DismissExpiredCasesTask task = new();
        await task.Run(database);

        Assert.NotNull(await database.Cases.FirstOrDefaultAsync(c => c.CaseId == 2 && c.DismissedAt == null));
    }

    [Fact]
    public async void DismissExpiredCases_ShouldNotDismissAlreadyDismissedCase()
    {
        await using DatabaseContext database = await MockHelper.GetTestDatabase();

        ModerationCaseEntity @case = new()
        {
            CaseId = 3,
            CreatorId = 1,
            ExpiresAt = DateTime.UnixEpoch,
            DismissedAt = DateTime.UnixEpoch,
            CreatorUsername = "unitTestUser",
        };

        database.Cases.Add(@case);

        await database.SaveChangesAsync();

        DismissExpiredCasesTask task = new();
        await task.Run(database);

        // check that the case was not dismissed again by comparing original time to new time
        Assert.NotNull(
            await database.Cases.FirstOrDefaultAsync(c => c.CaseId == 3 && c.DismissedAt == DateTime.UnixEpoch));
    }
}