using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

using Xamarin.Forms;
using Xamarin.Forms.Xaml;

namespace comal.timesheets.CustomControls
{
    [XamlCompilation(XamlCompilationOptions.Compile)]
    public partial class JobSelectionPage : ContentPage
    {
        public event ItemSelectedEvent OnItemSelected;
        bool bFirstPage = false;
        public JobShell Job { get; set; }
        public JobSelectionPage(bool firstpage = false)
        {
            Title = "Select Job";
            InitializeComponent();
            bFirstPage = firstpage;
            jobListView.ItemsSource = GlobalVariables.JobShells.Where(x => x.JobStatusDescription == "Active");
            searchEdt.IsEnabled = true;
            LoadButtons();
        }

        private void LoadButtons()
        {
            try
            {
                List<string> descriptions = new List<string>();
                List<Button> buttons = new List<Button>();
                foreach (JobShell job in GlobalVariables.JobShells)
                {
                    if (!descriptions.Contains(job.JobStatusDescription))
                    {
                        if (!string.IsNullOrWhiteSpace(job.JobStatusDescription))
                            descriptions.Add(job.JobStatusDescription);
                    }
                }
                List<string> options = new List<string>();
                foreach (string s in descriptions)
                {
                    options.Add(s);
                }
                filterOptionsControl.Options = options;
                filterOptionsControl.CreateRadioButtonsAndSetDefault("Active");
                filterOptionsControl.OnFilterOptionChanged += FilterOptionsControl_OnFilterOptionChanged;
            }
            catch { }
        }

        private void FilterOptionsControl_OnFilterOptionChanged(string filterOption)
        {
            if (filterOption == filterOptionsControl.CurrentOption)
                return;
            jobListView.ItemsSource = GlobalVariables.JobShells.Where(x => x.JobStatusDescription.Equals(filterOption));
            filterOptionsControl.CurrentOption = filterOption;
        }

        private void Job_Clicked(object sender, EventArgs e)
        {
            Job = jobListView.SelectedItem as JobShell;
            OnItemSelected?.Invoke();
            if (!bFirstPage)
                Navigation.PopAsync();
        }

        private void SearchEdt_Changed(object sender, EventArgs e)
        {
            jobListView.ItemsSource = GlobalVariables.JobShells.Where
                (
                x => x.Name.Contains(searchEdt.Text) || x.Name.Contains(UpperCaseFirst(searchEdt.Text))
                || x.Name.Contains(searchEdt.Text.ToUpper()) || x.Name.Contains(searchEdt.Text.ToLower())
                || x.JobNumber.Contains(searchEdt.Text) || x.JobNumber.Contains(UpperCaseFirst(searchEdt.Text))
                || x.Name.Contains(searchEdt.Text.ToUpper()) || x.JobNumber.Contains(searchEdt.Text.ToLower())
                );
        }

        static String UpperCaseFirst(string s)
        {
            char[] a = s.ToCharArray();
            a[0] = char.ToUpper(a[0]);
            return new string(a);
        }
    }

    public class JobShell
    {
        public Guid ID { get; set; }

        public string Name { get; set; }

        public string JobNumber { get; set; }

        public string DisplayName { get; set; }

        public Color Color { get; set; }

        public string JobStatusDescription { get; set; }
        public JobShell()
        {
            ID = Guid.Empty;
            Name = "";
            JobNumber = "";
            DisplayName = "";
            JobStatusDescription = "";
            Color = Color.LightGray;
        }
    }
}