using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using TrackerLibrary.Models;

namespace TrackerUI
{
    public partial class TournamentViewerForm : Form
    {
        private readonly TournamentModel tournament;
        BindingList<int> rounds = new BindingList<int>();
        BindingList<MatchupModel> selectedMatchups = new BindingList<MatchupModel>();
        bool loading = false;


        public TournamentViewerForm(TournamentModel tournamentModel)
        {
            InitializeComponent();
            tournament = tournamentModel;
            WireUpLists();
            LoadFormData();
            LoadRounds();
        }

        private void LoadFormData()
        {
            tournamentName.Text = tournament.TournamentName;
        }

        private void WireUpLists()
        {
            roundDropDown.DataSource = rounds;
            MatchUpListBox.DataSource = selectedMatchups;
            MatchUpListBox.DisplayMember = "DisplayName";
        }

        private void LoadRounds()
        {
            rounds.Clear();

            rounds.Add(1);
            int currRound = 1;
            foreach (List<MatchupModel> matchups in tournament.Rounds)
            {
                if (matchups.First().MatchupRound > currRound)
                {
                    currRound = matchups.First().MatchupRound;
                    rounds.Add(currRound);
                }
            }
            LoadMatchups(1);
        }

        private void roundDropDown_SelectedIndexChanged(object sender, EventArgs e)
        {
            LoadMatchups( (int)roundDropDown.SelectedItem);
        }


        private void LoadMatchups(int round)
        {
            foreach (List<MatchupModel> matchups in tournament.Rounds)
            {
                if (matchups.First().MatchupRound == round)
                {
                    loading = true;
                    selectedMatchups.Clear();
                    foreach (MatchupModel mm in matchups)
                    {
                        selectedMatchups.Add(mm);
                    }
                    loading = false;
                }
            }

            LoadMatchup(selectedMatchups.First());
        }

        private void LoadMatchup(MatchupModel m)
        {
            if (!loading)
            {
                for (int i = 0; i < m.Entries.Count; i++)
                {
                    if (i == 0)
                    {
                        if (m.Entries[0].TeamCompeting != null)
                        {
                            teamOneName.Text = m.Entries[0].TeamCompeting.TeamName;
                            teamOneScoeValue.Text = m.Entries[0].Score.ToString();

                            teamTwoName.Text = "<bye>";
                            teamTwoScoeValue.Text = "0";
                        }
                        else
                        {
                            teamOneName.Text = "Not Yet Set";
                            teamOneScoeValue.Text = "";
                        }
                    }

                    if (i == 1)
                    {
                        if (m.Entries[1].TeamCompeting != null)
                        {
                            teamTwoName.Text = m.Entries[1].TeamCompeting.TeamName;
                            teamTwoScoeValue.Text = m.Entries[1].Score.ToString();
                        }
                        else
                        {
                            teamTwoName.Text = "Not Yet Set";
                            teamTwoScoeValue.Text = "";
                        }
                    }
                }
        }
    }

        private void MatchUpListBox_SelectedIndexChanged(object sender, EventArgs e)
        {
            LoadMatchup((MatchupModel)MatchUpListBox.SelectedItem);
        }
    }
}