using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Controls;
using Comal.Classes;
using InABox.Clients;
using InABox.Core;
using InABox.DynamicGrid;

namespace PRSDesktop
{
    /// <summary>
    ///     Interaction logic for QuoteDetails.xaml
    /// </summary>
    public partial class QuoteDetails : UserControl, IPanel<Quote>, IQuotePage, IDynamicEditorHost
    {
        private CoreRow[] _rows;
        
        public QuoteDetails()
        {
            InitializeComponent();
        }

        public event DataModelUpdateEvent OnUpdateDataModel;

        public bool IsReady { get; set; }

        public void CreateToolbarButtons(IPanelHost host)
        {
        }

        public string SectionName => "Quotes";

        public DataModel DataModel(Selection selection)
        {
            return new QuoteDataModel(new Filter<Quote>(x => x.ID).IsEqualTo(ParentID));
        }

        public void Heartbeat(TimeSpan time)
        {
        }

        public void Refresh()
        {
            new Client<Quote>().Query(
                new Filter<Quote>(x => x.ID).IsEqualTo(ParentID),
                new Columns<Quote>(
                    col => col.Number,
                    col => col.Customer.ID,
                    col => col.Customer.Code,
                    col => col.Customer.Name,
                    col => col.SiteAddress.Street,
                    col => col.SiteAddress.City,
                    col => col.SiteAddress.State,
                    col => col.SiteAddress.PostCode,
                    col => col.Account.ID,
                    col => col.Account.Code,
                    col => col.Account.Name,
                    col => col.Title,
                    col => col.Notes,
                    col => col.Status.ID,
                    col => col.ExTax
                ),
                null,
                (o, e) => { UpdateScreen(o, e); }
            );
            Proposals.ParentID = ParentID;
        }

        public Dictionary<string, object[]> Selected()
        {
            return new Dictionary<String, object[]>() { { typeof(Quote).EntityName(), _rows } };
        }

        public void Setup()
        {
            UpdateScreen(null, null);
            var statuscodes = new Dictionary<Guid, string> { { Guid.Empty, "" } };
            var statuses = new Client<QuoteStatus>().Query();
            foreach (var row in statuses.Rows)
                statuscodes[row.Get<QuoteStatus, Guid>(x => x.ID)] = row.Get<QuoteStatus, string>(x => x.Description);
            Status.ItemsSource = statuscodes;

            Proposals.Options.AddRange(DynamicGridOption.RecordCount, DynamicGridOption.SelectColumns);
            Proposals.Refresh(true, false);

            Title.EditorDefinition = new TextBoxEditor();
            Title.ColumnName = "Title";
            Title.Configure();
            Title.OnEditorValueChanged += Title_OnEditorValueChanged;
            Title.Loaded = true;

            Customer.EditorDefinition = new CodePopupEditor(typeof(Customer));
            Customer.ColumnName = "Customer.ID";
            Customer.CodeColumn = "Code";
            Customer.OtherColumns["Code"] = "Customer.Code";
            Customer.OtherColumns["Name"] = "Customer.Name";
            Customer.OtherColumns["Account.ID"] = "Account.ID";
            Customer.OtherColumns["Account.Code"] = "Account.Code";
            Customer.OtherColumns["Account.Name"] = "Account.Name";
            Customer.Host = this;
            Customer.Configure();
            Customer.OnEditorValueChanged += Customer_OnEditorValueChanged;
            Customer.Loaded = true;

            Account.EditorDefinition = new CodePopupEditor(typeof(Customer));
            Account.ColumnName = "Account.ID";
            Account.CodeColumn = "Code";
            Account.OtherColumns["Code"] = "Account.Code";
            Account.OtherColumns["Name"] = "Account.Name";
            Account.Host = this;
            Account.Configure();
            Account.OnEditorValueChanged += Account_OnEditorValueChanged;
            Account.Loaded = true;
        }

        public void Shutdown()
        {
        }

        public Guid ParentID { get; set; }

        public Dictionary<Type, CoreTable> DataEnvironment()
        {
            return new Dictionary<Type, CoreTable>();
        }

        private void UpdateScreen(CoreTable o, Exception e)
        {
            _rows = o?.Rows.ToArray() ?? new CoreRow[] { };
            Dispatcher.Invoke(() =>
            {
                var bIsReady = IsReady;
                IsReady = false;

                Title.Value = o?.Rows.FirstOrDefault()?.Get<Quote, string>(col => col.Title) ?? "";
                Customer.Value = o?.Rows.FirstOrDefault()?.Get<Quote, Guid>(col => col.Customer.ID) ?? Guid.Empty;
                Address.Text = o?.Rows.FirstOrDefault()?.Get<Quote, string>(col => col.SiteAddress.Street) ?? "";
                City.Text = o?.Rows.FirstOrDefault()?.Get<Quote, string>(col => col.SiteAddress.City) ?? "";
                State.Text = o?.Rows.FirstOrDefault()?.Get<Quote, string>(col => col.SiteAddress.State) ?? "";
                PostCode.Text = o?.Rows.FirstOrDefault()?.Get<Quote, string>(col => col.SiteAddress.PostCode) ?? "";
                Account.Value = o?.Rows.FirstOrDefault()?.Get<Quote, Guid>(col => col.Account.ID) ?? Guid.Empty;

                var notes = o?.Rows.FirstOrDefault()?.Get<Quote, string[]>(col => col.Notes) ?? null;
                Notes.Text = notes != null ? string.Join("\n\n", notes).Replace("\r\n\r\n", "\r\n").Replace("\n\n", "\n") : "";

                Status.SelectedValue = o?.Rows.FirstOrDefault()?.Get<Quote, Guid>(col => col.Status.ID) ?? Guid.Empty;

                QuoteValue.Text = o != null && o.Rows.Any() ? string.Format("${0:F2}", o.Rows.First().Get<Quote, double>(col => col.ExTax)) : "";

                IsReady = bIsReady;
            });
        }

        private void Title_OnEditorValueChanged(IDynamicEditorControl sender, Dictionary<string, object> values)
        {
            if (IsReady)
            {
                var quote = new Quote { ID = ParentID };
                quote.Number = _rows?.FirstOrDefault()?.Get<Quote, string>(col => col.Number) ?? "";
                quote.Title = Title.Value;
                new Client<Quote>().Save(quote, "Updated Title", (j, err) => { });
            }
        }

        private void Customer_OnEditorValueChanged(IDynamicEditorControl sender, Dictionary<string, object> values)
        {
            Account.Value = (Guid)values["Account.ID"];
            if (IsReady)
            {
                var quote = new Quote { ID = ParentID };
                quote.Number = _rows.FirstOrDefault()?.Get<Quote, string>(col => col.Number) ?? "";
                quote.Customer.ID = (Guid)values["Customer.ID"];
                quote.Account.ID = (Guid)values["Account.ID"];
                new Client<Quote>().Save(quote, "Updated Customer ID", (j, err) => { });
            }
        }

        private void Account_OnEditorValueChanged(IDynamicEditorControl sender, Dictionary<string, object> values)
        {
            if (IsReady)
            {
                var quote = new Quote { ID = ParentID };
                quote.Number = _rows?.FirstOrDefault()?.Get<Quote, string>(col => col.Number) ?? "";
                quote.Account.ID = (Guid)values["Account.ID"];
                new Client<Quote>().Save(quote, "Updated Account ID", (j, err) => { });
            }
        }

        private void Status_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (IsReady)
            {
                var quote = new Quote { ID = ParentID };
                quote.Number = _rows?.FirstOrDefault()?.Get<Quote, string>(col => col.Number) ?? "";
                quote.Status.ID = Status.SelectedValue != null ? (Guid)Status.SelectedValue : Guid.Empty;
                new Client<Quote>().Save(quote, "Updated Quote Status", (j, err) => { });
            }
        }
        
        #region IDynamicEditorHost

        public IEnumerable<DynamicGridColumn> Columns { get; } = InitialiseColumns();

        private static DynamicGridColumns InitialiseColumns()
        {
            var columns = new DynamicGridColumns();
            columns.ExtractColumns(typeof(Quote));
            return columns;
        }

        public void LoadColumns(string column, Dictionary<string, string> columns)
        {
            columns.Clear();
            var comps = column.Split('.').ToList();
            comps.RemoveAt(comps.Count - 1);
            var prefix = string.Format("{0}.", string.Join(".", comps));
            var cols = Columns.Where(x => !x.ColumnName.Equals(column) && x.ColumnName.StartsWith(prefix));
            foreach (var col in cols)
                columns[col.ColumnName.Replace(prefix, "")] = col.ColumnName;
        }

        public IFilter? DefineFilter(Type type) => LookupFactory.DefineFilter<Quote>(new Quote[] { new Quote() }, type);

        public void LoadLookups(ILookupEditorControl editor)
        {
            //if (editor == Activity) Activity_OnDefineLookups(editor);
            //else if (editor == Kanban) Task_OnDefineLookups(editor);
            //else if (editor == ITP) ITP_OnDefineLookups(editor);
        }

        public Document? FindDocument(string filename)
        {
            return new Client<Document>().Load(new Filter<Document>(x => x.FileName).IsEqualTo(filename)).FirstOrDefault();
        }

        public Document? GetDocument(Guid id)
        {
            Document? doc = null;
            if (id != Guid.Empty)
                doc = new Client<Document>().Load(new Filter<Document>(x => x.ID).IsEqualTo(id)).FirstOrDefault();
            return doc;
        }

        public void SaveDocument(Document document)
        {
            new Client<Document>().Save(document, "");
        }

        object?[] IDynamicEditorHost.GetItems() => new object?[] { new Quote() };

        public BaseEditor? GetEditor(DynamicGridColumn column) => column.Editor.CloneEditor();
        
        #endregion
    }
}