using Database;
using KlassenBIB;
using SanSystem.Einstellungen;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace SanSystem
{
    /// <summary>
    /// 
    /// </summary>
    public partial class frmStrassenList : Form
    {
        StreetListSettings streetListSetting = new StreetListSettings();
        string aktuallStreetName = string.Empty;
        /// <summary>
        /// 
        /// </summary>
        public frmStrassenList()
        {
            InitializeComponent();
        }

        bool mehrereOrteAktiv()
        {
            return Datenbank.Instance.loadedProjekt.Objekte.Select(x => x.OrtName).Distinct().Count() > 1;
        }

        private void buildStreetList()
        {
            trv_street.Nodes.Clear();
            if (Datenbank.Instance.loadedProjekt == null) return;
            rdbtn_ort.Enabled = mehrereOrteAktiv();
            if (!mehrereOrteAktiv()) rdbtn_street.Checked = true;

            if (rdbtn_street.Checked) buildUnsortedStreetList();
            if (rdbtn_ort.Checked) buildSortedSteetList();
        }

        private void buildSortedSteetList()
        {
            List<string> ortteile = Datenbank.Instance.loadedProjekt.Objekte.Select(x => x.OrtName).Distinct().ToList();
            int aktuellOpened = -1;
            bool aktuelleStrasse = false;
            foreach (string ort in ortteile)
            {
                List<string> strassen = Datenbank.Instance.loadedProjekt.Objekte.Where(y => y.OrtName != null && y.OrtName.Equals(ort)).Select(x => x.StrasseName).Distinct().ToList();
                TreeNode[] streetnodes = new TreeNode[strassen.Count];
                
                for(int i = 0; i < strassen.Count; i++)
                {
                    streetnodes[i] = new TreeNode();
                    Tuple<int, int> x = getStatikFromStreet(strassen[i]);
                    streetnodes[i].Text = string.Format("{0} ({1} / {2})", strassen[i], x.Item1, x.Item2);
                    if (strassen[i].Equals(aktuallStreetName))
                        aktuelleStrasse = true;
                    streetnodes[i].Tag = strassen[i];
                }

                TreeNode node = new TreeNode(ort, streetnodes);
                int looper = trv_street.Nodes.Add(node);
                if(aktuelleStrasse)
                {
                    aktuelleStrasse = false;
                    aktuellOpened = looper;
                }    
            }
            if(aktuellOpened != -1)
            {
                trv_street.Nodes[aktuellOpened].ExpandAll();
            }
            
        }

        private Tuple<int,int> getStatikFromStreet(string strassename)
        {
            IEnumerable<KlassenBIB.Inspektionsobjekt> objekte = Datenbank.Instance.loadedProjekt.Objekte.Where(x => x.StrasseName.Equals(strassename));
            int counter = 0;
            foreach (var objekt in objekte)
            {
                bool fertig = false;
                foreach (var x in objekt.Sanierung)
                {
                    AbstractSanieren abstractSanieren = (AbstractSanieren)x;
                    if (abstractSanieren.Fertig == true)
                    {
                        fertig = true;
                    }
                    else
                    {
                        fertig = false;
                        break;
                    }
                }
                if (fertig)
                {
                    counter++;
                }
            }
            return new Tuple<int, int>(objekte.Count(), counter);
        }

        private void buildUnsortedStreetList()
        { 
            List<string> strassen = Datenbank.Instance.loadedProjekt.Objekte.Select(x => x.StrasseName).Distinct().ToList();
            List<string> streets = new List<string>();
            
            foreach (string strassename in strassen)
            {
                string streetname = string.Empty;
                Tuple<int, int> x = getStatikFromStreet(strassename);               

                trv_street.Nodes.Add(new TreeNode()
                {
                    Text = string.Format("{0} ({1} / {2})", strassename, x.Item1, x.Item2),
                    Tag = strassename
                });
                
            }
        }

        private void frmStrassenList_Load(object sender, EventArgs e)
        {
            this.Height = this.MdiParent.Height - 120;
            if(streetListSetting.SortedSelected())
            {
                rdbtn_street.Checked = false;
                rdbtn_ort.Checked = true;
            } 
            else
            {
                rdbtn_street.Checked = true;
                rdbtn_ort.Checked = false;
            }
            buildStreetList();
            btn_add.Text = Global.Instance.language.Labels["add_objekt"];
        }
        

        private void btn_add_Click(object sender, EventArgs e)
        {
            KlassenBIB.Inspektionsobjekt inspektionsobjekt = new KlassenBIB.Inspektionsobjekt();
            inspektionsobjekt.Projektnummer = Global.Instance.ProjektNummer;
            Datenbank.Instance.loadedProjekt.Objekte.Add(inspektionsobjekt);
            frmObjektEdit frmObjektEdit = new frmObjektEdit(inspektionsobjekt,true);
            frmObjektEdit.MdiParent = this.MdiParent;
            frmObjektEdit.FormClosed += FrmObjekt_FormClosed;
            frmObjektEdit.Show();            
        }

     
        private void FrmObjekt_FormClosed(object sender, FormClosedEventArgs e)
        {
            buildStreetList();
        }

        private void trv_street_DoubleClick(object sender, EventArgs e)
        {
            if ((sender as TreeView).SelectedNode == null) return;
            string selectedStreetName = (string)(sender as TreeView).SelectedNode.Tag;
            if (selectedStreetName == null || selectedStreetName.Equals("")) return;
            aktuallStreetName = selectedStreetName;
            frmObjekteList frmObjekteList = new frmObjekteList(selectedStreetName);
            frmObjekteList.MdiParent = this.MdiParent;
            frmObjekteList.FormClosed += FrmObjekt_FormClosed;
            frmObjekteList.Show();
        }

        private void rdbtn_street_CheckedChanged(object sender, EventArgs e)
        {
            if (rdbtn_ort.Checked)
            {
                streetListSetting.SetRadioButton("Sorted");
            }
            else if (rdbtn_street.Checked)
            {
                streetListSetting.SetRadioButton("Unsorted");
            }
            buildStreetList();
        }

        private void frmStrassenList_FormClosing(object sender, FormClosingEventArgs e)
        {
            streetListSetting.SaveSettings();
        }
    }

}