using HotelContracts.BindingModels;
using HotelContracts.BusinessLogicsContracts;
using HotelContracts.SearchModels;
using HotelDatabaseImplement.Models;
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;

namespace HotelView
{
    public partial class FormBooking : Form
    {

        private readonly IBookingLogic _logic;
        private readonly IRoomLogic _logicR;
        private readonly IClientLogic _logicC;
        private int? _id;
        public int Id { set { _id = value; } }

        public FormBooking(IBookingLogic logic, IRoomLogic logicR, IClientLogic logicC)
        {
            InitializeComponent();
            _logic = logic;
            _logicR = logicR;
            _logicC = logicC;   
        }

        private void buttonSave_Click(object sender, EventArgs e)
        {
            if (comboBoxClient.SelectedValue == null)
            {
                MessageBox.Show("Выберите клиента", "Ошибка",
               MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            if (comboBoxRoom.SelectedValue == null)
            {
                MessageBox.Show("Выберите комнату", "Ошибка",
               MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            if(Convert.ToDouble(textBoxTotalHour.Text) < 1)
            {
                MessageBox.Show("Бронь не может быть меньше часа", "Ошибка",
               MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            try
            {
                var model = new BookingBindingModel
                {
                    Id = _id ?? 0,
                    RoomId = Convert.ToInt32(comboBoxRoom.SelectedValue),
                    ClientId = Convert.ToInt32(comboBoxClient.SelectedValue),
                    ArrivalDate = dateTimePickerArriv.Value,
                    DepartureDate = dateTimePickerDep.Value,
                    NumberHoursSpent = Convert.ToDouble(textBoxTotalHour.Text),
                    TotalCost = Convert.ToDouble(textBoxTotalPrice.Text),
                    Status = HotelDataModels.Enums.AcceptanceStatus.Неизвестен,
                };
                var operationResult = _id.HasValue ? _logic.Update(model) : _logic.Create(model);
                if (!operationResult)
                {
                    throw new Exception("Ошибка при сохранении. Доп информация в логах.");
                }
                MessageBox.Show("Сохранение прошло успешно", "Сообщение", MessageBoxButtons.OK, MessageBoxIcon.Information);
                DialogResult = DialogResult.OK;
                Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }
        private void CalcHour()
        {
            if(dateTimePickerDep.Value.Date != dateTimePickerArriv.Value)
            {
                try
                {
                    var start = dateTimePickerArriv.Value;
                    var end = dateTimePickerDep.Value;
                    var Day = (end.Day - start.Day) * 24;
                    var Hour = (end.Hour - start.Hour);
                    double Minute = (end.Minute - start.Minute) / 60;
                    textBoxTotalHour.Text = (Day + Hour + Minute).ToString();
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK,
                    MessageBoxIcon.Error);
                }
            }
        }
        private void CalcSum()
        {
            if(Convert.ToDouble(textBoxTotalHour.Text) >= 1)
            {
                try
                {
                    int id = Convert.ToInt32(comboBoxRoom.SelectedValue);
                    var roomPrice = _logicR.ReadElement(new RoomSearchModel
                    {
                        Id
                    = id
                    });
                    var Sum = (roomPrice?.Cost ?? 0)* Convert.ToDouble(textBoxTotalHour.Text);
                    textBoxTotalPrice.Text = Sum.ToString();
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK,
                    MessageBoxIcon.Error);
                }
            }
        }
        private void textBoxdateTimePickerArriv_TextChanged(object sender, EventArgs e)
        {
            CalcHour();
            CalcSum();
        }
        private void textBoxdateTimePickerDep_TextChanged(object sender, EventArgs e)
        {
            CalcHour();
            CalcSum();
        }
        private void comboBoxClient_SelectedIndexChanged(object sender, EventArgs e)
        {
            CalcHour();
            CalcSum();
        }
        private void buttonCancel_Click(object sender, EventArgs e)
        {
            DialogResult = DialogResult.Cancel;
            Close();
        }
        private void FormBooking_Load(object sender, EventArgs e)
        {
            try
            {
                var roomList = _logicR.ReadList(null);
                var clientList = _logicC.ReadList(null);
                if (roomList != null)
                {
                    comboBoxRoom.DisplayMember = "Number";
                    comboBoxRoom.ValueMember = "Id";
                    comboBoxRoom.DataSource = roomList;
                    comboBoxRoom.SelectedItem = null;
                }
                if (clientList != null)
                {
                    comboBoxClient.DisplayMember = "Name";
                    comboBoxClient.ValueMember = "Id";
                    comboBoxClient.DataSource = clientList;
                    comboBoxClient.SelectedItem = null;
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }
    }
}