namespace HyperBooru;

public class HBException : Exception {
    public HBException()
        : base() {}
    public HBException(string message)
        : base(message) {}
    public HBException(string message, Exception inner)
        : base(message, inner) {}
}

public class ObjectNotFoundException : HBException {
    public Guid Guid { get; private init; }

    public ObjectNotFoundException(Guid guid)
        : base($"Object not found: {guid}") {}
}

public class TagException : HBException {
    public TagDefinition? TagDefinition { get; private init; }

    public TagException(string message) : base(message) {}
    public TagException(string message, TagDefinition tagDefinition)
        : base(message) =>
            TagDefinition = tagDefinition;
}

public class TagDuplicateException : TagException {
    public bool NameExists { get; private init; }
    public bool AliasExists { get; private init; }

    public TagDuplicateException(bool nameExists, bool aliasExists)
        : base(GenerateMessage(nameExists, aliasExists)) {

        NameExists  = nameExists;
        AliasExists = aliasExists;
    }

    private static string GenerateMessage(bool nameExists, bool aliasExists) {
        if(nameExists && aliasExists)
            return $"Both tag name and alias already exist!";
        else if(nameExists)
            return $"Tag name already exists!";
        else
            return $"Tag alias already exists";
    }
}

public class MediaException : HBException {
    public Guid? MediaId { get; private init; } = null;

    public MediaException(string message) : base(message) {}
    public MediaException(string message, Guid mediaId) : base(message) =>
        MediaId = mediaId;
    public MediaException(string message, Media media) : base(message) =>
        MediaId = media.Guid;
}

public class MediaCreateException : MediaException {
    public MediaCreateException(string message)
        : base(message) {}
}

public class ThumbnailException : MediaException {
    public ThumbnailException(string message, Guid mediaId)
        : base(message, mediaId) {}
    public ThumbnailException(string message, Media media)
        : base(message, media) {}
}