using HtmlAgilityPack;

namespace Beam.Dynamic {
    public record class DataBindings {
        public IDataProvider<string>? Title { get; set; }
        public IDataProvider<string[]>? Authors { get; set; }
        public IDataProvider<string>? Description { get; set; }
        public IDataProvider<string>? Content { get; set; }
        public IDataProvider<string[]>? Language { get; set; }
        public IDataProvider<string[]>? Tags { get; set; }

        public virtual ResolvedBindings Resolve(HtmlDocument doc) {
            return new ResolvedBindings() {
                Title = Title?.Get(doc),
                Authors = Authors?.Get(doc) ?? [],
                Language = Language?.Get(doc),
                Content = Content?.Get(doc),
                Description = Description?.Get(doc),
                Tags = Tags?.Get(doc) ?? []
            };
        }
    }

    public record class ResolvedBindings {
        public string? Title { get; set; }
        public string[]? Authors { get; set; }
        public string? Description { get; set; }
        public string? Content { get; set; }
        public string[]? Language { get; set; }
        public string[]? Tags { get; set; }
    }
}