using aeqw89.DataKeys;
using Beam.Dynamic;
using System;
using System.Collections.Generic;
using System.Collections.Immutable;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Beam.Models;


namespace Beam.Temporary.Cli {

    public record class ResourceDictionaryBuilder(string SiteKey) {
        private List<Func<WebResourceBuilder>> _builders;


        private record class WebResourceBuilder(string ResourceKey) {
            private Func<Template> _template;
            private Func<IReadOnlyDictionary<DataKey<DataBindings>, DataBindings>> _bindings;
            private string _name;
            private string _description;
            private Uri _domain;

        }

        private record class ResourceDictionaryRegistrar(
                string SiteKey,
                string FriendlyName,
                IEnumerable<WebResource> Resources,
                IReadOnlyDictionary<string, Template> Templates,
                IReadOnlyDictionary<string, DataBindings> Bindings) : IResourceDictionaryRegistrar {

            private Dictionary<string, ImmutableState> _states;

            public IResourceDictionaryRegistrar AddInitialState(string key, ImmutableState state) {
                _states[key] = state;
                return this;
            }

            public void Register(BeamDataContext sdd) {
                foreach (var resource in Resources)
                    sdd.Resources.TryAdd(resource.Key, resource);
                foreach (var template in Templates)
                    sdd.Templates.TryAdd(new DataKey<WebResource>(template.Key), template.Value);
                foreach (var binding in Bindings)
                    sdd.Bindings.TryAdd(new DataKey<DataBindings>(binding.Key), binding.Value);
                foreach (var state in _states)
                    sdd.InitialStates.TryAdd(new DataKey<ImmutableState>(state.Key), state.Value);

                sdd.ResourceDictionaries.TryAdd(new DataKey<ResourceDictionary>(SiteKey), new ResourceDictionary() {
                    Key = new DataKey<ResourceDictionary>(SiteKey),
                    FriendlyName = FriendlyName,
                    InitialStates = 
                });
            }
        }
    }

    public interface IResourceDictionaryRegistrar {
        public IResourceDictionaryRegistrar AddInitialState(string key, ImmutableState state);
        public void Register(BeamDataContext sdd);
    }

    public interface IBindingsBuilder {
        public IBindingsBuilder AddBinding(DataBindings bindings);
        public IBindingsBuilder AddBinding(Action<DataBindings> configure);
        public IReadOnlyDictionary<DataKey<DataBindings>, DataBindings> Build();
    }

    public interface IResourceDictionaryBuilder {
        public IResourceDictionaryBuilder AddResource(Func<ITemplateBuilderStage, IWebResourceBuilderStage> configure);
        public IResourceDictionaryBuilder WithResources(Func<ITemplateBuilderStage, IWebResourceBuilderStage>[] configure);
        public IResourceDictionaryBuilder WithFriendlyName(string friendlyName);
        public IResourceDictionaryRegistrar Then();
    }

    public interface IWebResourceBuilderStage {
        public IWebResourceBuilderStage WithName(string name);                               // Stage 3
        public IWebResourceBuilderStage WithDescription(string description);                 // Stage 3
        public IWebResourceBuilderStage WithDomain(Uri domain);                           // Stage 3
        public WebResource Build();
    }

    public interface IBindingBuilderStage {
        public IWebResourceBuilderStage WithBindings(Action<IBindingsBuilder> configure);
        public IWebResourceBuilderStage WithBindings(IReadOnlyDictionary<DataKey<DataBindings>, DataBindings> bindings);
    }

    public interface ITemplateBuilderStage {
        public IBindingBuilderStage WithTemplate(Action<ITemplateBuilder> configure);
        public IBindingBuilderStage WithTemplate(Template template);
    }

    public interface ITemplateBuilder {
        public ITemplateBuilder WithFactory(StateChangerFactory factory);
        public ITemplateBuilder WithUrlBuilder(SourceLinkBuilder builder);
        public ITemplateBuilder WithUrlBuilder(Action<SourceLinkBuilder> configure);
        public Template Build();
    }



}