using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using Avalonia.Controls;
using Avalonia.Interactivity;
using demo_hard.Models;
using Tmds.DBus.Protocol;

namespace demo_hard;

public partial class OrderWindow : Window
{
    private ObservableCollection<int> _ordersIds = new();
    private ObservableCollection<string> _clientsNames = new();
    private ObservableCollection<string> _servicesNames = new();
    private List<Service> SelectedServices = new();
    public List<int> OrderIdList;
    public List<string> ClientNamesList;
    public List<string> ServicesList;
    
    public OrderWindow()
    {
        InitializeComponent();
        NewOrderNumber();
        SearchItems();
        using var context = new User2Context();

        OrderIdList = context.Orders.Select(it => it.Id).ToList();
        
        var services = context.Services.ToList();
        serviceName.ItemsSource = services;
        
        var clients = context.Clients.ToList();
        clientName.ItemsSource = clients;


    }
    
    
    
    private void SearchItems()
    {
        using var context = new User2Context();
        string searchText = SearchBox.Text?.ToLower() ?? "";
        if (string.IsNullOrWhiteSpace(searchText))
        {
            SearchResultsList.ItemsSource = new List<string>();
            return;
        }

        var clientRes = context.Clients
            .Where(c => c.Fio.ToLower().Contains(searchText))
            .Select(c => c.Fio);

        var serviceRes = context.Services
            .Where(s => s.ServiceName.ToLower().Contains(searchText))
            .Select(s => s.ServiceName);

        var results = clientRes.Concat(serviceRes).ToList();
        SearchResultsList.ItemsSource = results;
    }
    
    
    private void NewOrderNumber()
    {
        using var context = new User2Context();
        var OrderId = context.Orders.Max(o => o.Id) + 1;
        if (context.Orders.Any(o => o.Id == OrderId)) throw new ArgumentException("Номера Id не должны совпадать");
        if (OrderId < 1) throw new ArgumentException("OrderId должен быть на 1 больше");
        orderNumberBox.ItemsSource = new string[] { OrderId.ToString() };
    }

    private void SearchBox_OnTextChanged(object? sender, TextChangedEventArgs e)
    {
        SearchItems();
    }

    private void AddService_OnClick(object? sender, RoutedEventArgs e)
    {
        if (serviceName.SelectedItem is Service selectedService && !SelectedServices.Contains(selectedService))
        {
            SelectedServices.Add(selectedService);
            UpdateServiceList();
        } 
    }
    
    private void UpdateServiceList()
    {
        SelectedServicesListBox.ItemsSource = null;
        SelectedServicesListBox.ItemsSource = SelectedServices.Select(s => s.ServiceName).ToList();
    }


    private void Go_Back_Button(object? sender, RoutedEventArgs e)
    {
        new FunctionWindow().ShowDialog(this);
    }

    private void AddUser_Button(object? sender, RoutedEventArgs e)
    {
        new AddClient().ShowDialog(this);
    }

    private void Create_Order(object? sender, RoutedEventArgs e)
    {
        string orderNumber = orderNumberBox.SelectedItem.ToString();  
        Client selectedClient = clientName.SelectedItem as Client;
        List<Service> selectedServices = new List<Service>(SelectedServices);

        if (selectedClient != null && !string.IsNullOrEmpty(orderNumber) && selectedServices.Any())
        {
            new NewOrderWindow(orderNumber, selectedClient, selectedServices).ShowDialog(this);
        }
    }
}