///
/// Copyright (c) 2020 Sensus Slovensko a.s.
///
using System;
using System.Collections.Generic;
using System.Windows.Forms;
using Common;
using Results.Forms;
using TBF.Rig.Generic;
using TBF.Resources;

namespace TBF.UI.Procedures
{
	///              -----------
	///             /  More...  \
	///            |------------------------------
    ///            |  Component1
    ///            |    param1
    ///            |    param2
    ///            |    ...
    ///            |  Component2
    ///            |    param1
    ///
    public partial class ProcedureParamsMixedCtrl : UserControl, IProcParamsCtrl
	{
		ProcedureDlg parent;
		IList<IComponent> tbfComponents;

        List<IParamsProvider> cmpntsParams;
        public IList<IParamsProvider> CmpntsParams { get { return cmpntsParams; } }
        IList<int> paramCounts;

		Control[] editors;
		bool unlocked;
		public void Unlock() { unlocked = true; }

		public ProcedureParamsMixedCtrl()
		{
			InitializeComponent();
			cmpntsParams = new List<IParamsProvider>();
            paramCounts = new List<int>();
        }

		public ProcedureParamsMixedCtrl(ProcedureDlg parent, IList<IComponent> tbfComponents)
			: this()
		{
			this.parent = parent;
			this.tbfComponents = tbfComponents;
			unlocked = false;

			this.SuspendLayout();
			Dock = System.Windows.Forms.DockStyle.Fill;
			listViewEx.Dock = System.Windows.Forms.DockStyle.Fill;
			listViewEx.AllowColumnReorder = false;
			listViewEx.DoubleClickActivation = false;
			listViewEx.FullRowSelect = true;
			listViewEx.GridLines = true;
			listViewEx.Location = new System.Drawing.Point(0, 0);
			listViewEx.TabIndex = 0;
			listViewEx.UseCompatibleStateImageBehavior = false;
			listViewEx.View = System.Windows.Forms.View.Details;
			ResumeLayout(false);
		}

		public void Initialize()
		{
			if (tbfComponents == null) return;

            int totalParamsCount = 0;
			foreach (var cmpnt in tbfComponents)
			{
                IParamsProvider procedureParams = cmpnt.Cfg.GetUIProcParamsProvider(parent.LoadedProcedure);
                cmpntsParams.Add(procedureParams);
                int pCount = procedureParams != null ? procedureParams.ParamsCount() : 0;
                paramCounts.Add(pCount);
                totalParamsCount += (pCount + 1);
			}

			listViewEx.Columns.Add(Strings.Name, 200);
			listViewEx.Columns.Add(Strings.Value, 200);

            editors = new Control[totalParamsCount];

            int k = 0;
            for (int i = 0; i < tbfComponents.Count; i++)
            {
                k++;
                for (int j = 0; j < paramCounts[i]; j++)
                {
                    ICollection<string> values = cmpntsParams[i].ParamValues(j);
                    if (values == null)
                    {
                        editors[k] = new TextBox();
                    }
                    else
                    {
                        ComboBox cb = new ComboBox();
                        foreach (var v in values) cb.Items.Add(v);
                        editors[k] = cb;
                    }
                    editors[k].Visible = false;
                    this.Controls.Add(editors[k]);
                    k++;
                }
            }

            listViewEx.SubItemClicked += new SubItemEventHandler(listViewEx_SubItemClicked);
            listViewEx.SubItemEndEditing += new SubItemEndEditingEventHandler(listViewEx_SubItemEndEditing);

			RedrawAll();
		}

        private void listViewEx_SubItemClicked(object sender, SubItemEventArgs e)
		{
            ProviderAndIx ppp = e.Item.Tag as ProviderAndIx;
            if (!unlocked || e.SubItem == 0 || ppp == null) return;
			listViewEx.StartEditing(editors[ppp.Row], e.Item, e.SubItem);
		}

        private void listViewEx_SubItemEndEditing(object sender, SubItemEndEditingEventArgs e)
		{
            ProviderAndIx ppp = e.Item.Tag as ProviderAndIx;
            if (ppp == null) return;
            
            string message;
			if (ppp.Provider.ValidateParam(ppp.Index, e.DisplayText, out message))
			{
				ppp.Provider.UpdateParam(ppp.Index, e.DisplayText);
			}
            else
            {
                MessageBox.Show(message);
                e.DisplayText = e.Item.SubItems[e.SubItem].Text;
                e.Cancel = true;
                return;                 /// NOK
            }
        }

		public void RedrawAll()
		{
			listViewEx.Items.Clear();

            int k = 0;
            for (int i = 0; i < tbfComponents.Count; i++)
            {
                ListViewItem lvi = new ListViewItem(tbfComponents[i].Name);
                lvi.SubItems.Add(string.Empty);
                lvi.Tag = null;
                lvi.BackColor = System.Drawing.Color.LightGray;
                listViewEx.Items.Add(lvi);
                k++;

                for (int j = 0; j < paramCounts[i]; j++)
                {
                    lvi = new ListViewItem(cmpntsParams[i].ParamName(j));
                    lvi.SubItems.Add(cmpntsParams[i].ToString(j));
                    lvi.Tag = new ProviderAndIx(cmpntsParams[i], j, k);
                    listViewEx.Items.Add(lvi);
                    k++;
                }
            }
        }

		public bool UpdateAll()
		{
			if (!unlocked) return false;

            for (int i = 0; i < cmpntsParams.Count; i++ )
            {
                if (cmpntsParams[i] != null)
                {
                    if (!cmpntsParams[i].UpdateEmbeddedDbEntity()) return false;
                }
            }

            return true;
		}
	}
}