using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http.Formatting;
using Umbraco.Web.Models.Trees;
using Umbraco.Web.Mvc;
using Umbraco.Web.WebApi.Filters;
using umbraco;
using umbraco.cms.businesslogic.packager;
using Umbraco.Core.Services;
using Umbraco.Web.Actions;

using Constants = Umbraco.Core.Constants;

namespace Umbraco.Web.Trees
{
    [UmbracoTreeAuthorize(Constants.Trees.Packages)]
    [Tree(Constants.Applications.Packages, Constants.Trees.Packages, null, sortOrder: 0)]
    [PluginController("UmbracoTrees")]
    [CoreTree]
    public class PackagesTreeController : TreeController
    {
        /// <summary>
        /// Helper method to create a root model for a tree
        /// </summary>
        /// <returns></returns>
        protected override TreeNode CreateRootNode(FormDataCollection queryStrings)
        {
            var root = base.CreateRootNode(queryStrings);
            
            root.RoutePath = $"{Constants.Applications.Packages}/{Constants.Trees.Packages}/overview";
           
            root.Icon = "icon-box";
            
            return root;
        }
        protected override TreeNodeCollection GetTreeNodes(string id, FormDataCollection queryStrings)
        {
            var nodes = new TreeNodeCollection();

            var createdPackages = CreatedPackage.GetAllCreatedPackages();

            if (id == "created")
            {
                nodes.AddRange(
                    createdPackages
                        .OrderBy(entity => entity.Data.Name)
                        .Select(dt =>
                        {
                            var node = CreateTreeNode(dt.Data.Id.ToString(), id, queryStrings, dt.Data.Name, "icon-inbox", false,
                                $"/{queryStrings.GetValue<string>("application")}/framed/{Uri.EscapeDataString("developer/Packages/EditPackage.aspx?id=" + dt.Data.Id)}");
                            return node;
                        }));
            }
            else
            {
                //must be root
                var node = CreateTreeNode(
                    "created",
                    id,
                    queryStrings,
                    Services.TextService.Localize("treeHeaders/createdPackages"),
                    "icon-folder",
                    createdPackages.Count > 0,
                    string.Empty);



                //TODO: This isn't the best way to ensure a noop process for clicking a node but it works for now.
                node.AdditionalData["jsClickCallback"] = "javascript:void(0);";

                nodes.Add(node);
            }



            return nodes;
        }

        protected override MenuItemCollection GetMenuForNode(string id, FormDataCollection queryStrings)
        {
            var menu = new MenuItemCollection();

            // Root actions
            if (id == "-1")
            {
                menu.Items.Add<ActionNew>(Services.TextService, opensDialog: true)
                    .ConvertLegacyMenuItem(null, Constants.Trees.Packages, queryStrings.GetValue<string>("application"));
            }
            else if (id == "created")
            {
                menu.Items.Add<ActionNew>(Services.TextService, opensDialog: true)
                    .ConvertLegacyMenuItem(null, Constants.Trees.Packages, queryStrings.GetValue<string>("application"));

                menu.Items.Add(new RefreshNode(Services.TextService, true));
            }
            else
            {
                //it's a package node
                menu.Items.Add<ActionDelete>(Services.TextService, opensDialog: true);
            }

            return menu;
        }
    }
}