namespace RpgRoller.Tests;

public sealed class ServiceCampaignTests
{
    [Fact]
    public void CampaignAndCharacterOperations_CheckUnauthorizedAndNotFoundCases()
    {
        using var harness = ServiceTestSupport.CreateHarness();
        var service = harness.Service;

        var unauthorizedCampaign = service.CreateCampaign("missing", new CreateCampaignCommand("Name", "d6"));
        Assert.False(unauthorizedCampaign.Succeeded);

        service.Register(new RegisterCommand("gm", "Password123", "GM"));
        var gmSession = ServiceTestSupport.GetValue(service.Login(new LoginCommand("gm", "Password123"))).SessionToken;
        var campaign = ServiceTestSupport.GetValue(service.CreateCampaign(gmSession, new CreateCampaignCommand("Name", "d6")));

        var invalidRuleset = service.CreateCampaign(gmSession, new CreateCampaignCommand("Name 2", "unknown"));
        Assert.False(invalidRuleset.Succeeded);

        var noCampaignCharacter = service.CreateCharacter(gmSession, new CreateCharacterCommand("Hero", Guid.NewGuid()));
        Assert.False(noCampaignCharacter.Succeeded);

        var character = ServiceTestSupport.GetValue(service.CreateCharacter(gmSession, new CreateCharacterCommand("Hero", campaign.Id)));

        var missingCharacterActivate = service.ActivateCharacter(gmSession, Guid.NewGuid());
        Assert.False(missingCharacterActivate.Succeeded);

        var activateSuccess = service.ActivateCharacter(gmSession, character.Id);
        Assert.True(activateSuccess.Succeeded);

        var currentCharacters = service.GetCurrentCampaignCharacters(gmSession);
        Assert.True(currentCharacters.Succeeded);
        Assert.Single(ServiceTestSupport.GetValue(currentCharacters));

        var missingCampaignGet = service.GetCampaign(gmSession, Guid.NewGuid());
        Assert.False(missingCampaignGet.Succeeded);
    }

    [Fact]
    public void CurrentCampaignCharacters_ReturnsNoActiveCharacterWhenUnset()
    {
        using var harness = ServiceTestSupport.CreateHarness();
        var service = harness.Service;
        service.Register(new RegisterCommand("user", "Password123", "User"));
        var sessionToken = ServiceTestSupport.GetValue(service.Login(new LoginCommand("user", "Password123"))).SessionToken;

        var result = service.GetCurrentCampaignCharacters(sessionToken);
        Assert.False(result.Succeeded);
    }

    [Fact]
    public void GetCampaigns_ReturnsOwnedAndParticipatingCampaigns()
    {
        using var harness = ServiceTestSupport.CreateHarness();
        var service = harness.Service;
        service.Register(new RegisterCommand("gm", "Password123", "GM"));
        service.Register(new RegisterCommand("player", "Password123", "Player"));
        var gmSession = ServiceTestSupport.GetValue(service.Login(new LoginCommand("gm", "Password123"))).SessionToken;
        var playerSession = ServiceTestSupport.GetValue(service.Login(new LoginCommand("player", "Password123"))).SessionToken;

        var gmCampaign = ServiceTestSupport.GetValue(service.CreateCampaign(gmSession, new CreateCampaignCommand("Owned", "d6")));
        _ = ServiceTestSupport.GetValue(service.CreateCampaign(gmSession, new CreateCampaignCommand("Owned 2", "d6")));
        _ = service.CreateCharacter(playerSession, new CreateCharacterCommand("Joiner", gmCampaign.Id));

        var playerCampaigns = service.GetCampaigns(playerSession);
        Assert.True(playerCampaigns.Succeeded);
        var campaigns = ServiceTestSupport.GetValue(playerCampaigns);
        Assert.Single(campaigns);
        Assert.Equal(gmCampaign.Id, campaigns[0].Id);
    }

    [Fact]
    public void GetCampaign_ForNonGm_ReturnsOnlyOwnedCharactersAndSkills()
    {
        using var harness = ServiceTestSupport.CreateHarness();
        var service = harness.Service;

        service.Register(new RegisterCommand("gm", "Password123", "GM"));
        service.Register(new RegisterCommand("owner", "Password123", "Owner"));
        service.Register(new RegisterCommand("other", "Password123", "Other"));

        var gmSession = ServiceTestSupport.GetValue(service.Login(new LoginCommand("gm", "Password123"))).SessionToken;
        var ownerSession = ServiceTestSupport.GetValue(service.Login(new LoginCommand("owner", "Password123"))).SessionToken;
        var otherSession = ServiceTestSupport.GetValue(service.Login(new LoginCommand("other", "Password123"))).SessionToken;

        var campaign = ServiceTestSupport.GetValue(service.CreateCampaign(gmSession, new CreateCampaignCommand("Main", "d6")));
        var ownerCharacter = ServiceTestSupport.GetValue(service.CreateCharacter(ownerSession, new CreateCharacterCommand("Owner Character", campaign.Id)));
        var otherCharacter = ServiceTestSupport.GetValue(service.CreateCharacter(otherSession, new CreateCharacterCommand("Other Character", campaign.Id)));

        var ownerSkill = ServiceTestSupport.GetValue(service.CreateSkill(ownerSession, ownerCharacter.Id, new CreateSkillCommand("Stealth", "2D+1")));
        _ = ServiceTestSupport.GetValue(service.CreateSkill(otherSession, otherCharacter.Id, new CreateSkillCommand("Perception", "1D+2")));

        var ownerView = ServiceTestSupport.GetValue(service.GetCampaign(ownerSession, campaign.Id));
        Assert.Single(ownerView.Characters);
        Assert.Equal(ownerCharacter.Id, ownerView.Characters[0].Id);
        Assert.Single(ownerView.Skills);
        Assert.Equal(ownerSkill.Id, ownerView.Skills[0].Id);
    }
}