using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;

namespace Duplicati.GUI.HelperControls
{
    public partial class DurationEditor : UserControl
    {
        private string[] m_values = { "1D", "1W", "2W", "1M", "" };

        public DurationEditor()
        {
            InitializeComponent();
        }

        public event EventHandler ValueChanged;

        /// <summary>
        /// Sets the avalible intervals
        /// </summary>
        /// <param name="values">A dictionary where the key is the string to display and the value is the duplicity time string</param>
        public void SetIntervals(List<KeyValuePair<string, string>> values)
        {
            EasyDuration.Items.Clear();

            if (values[values.Count - 1].Key != "")
                values.Add(new KeyValuePair<string, string>("", ""));

            m_values = new string[values.Count];
            for (int i = 0; i < values.Count; i++)
            {
                m_values[i] = values[i].Value;
                EasyDuration.Items.Add(values[i].Key);
            }
        }

        private void EasyDuration_SelectedIndexChanged(object sender, EventArgs e)
        {
            CustomDuration.Visible = (EasyDuration.SelectedIndex == EasyDuration.Items.Count - 1);
            if (EasyDuration.SelectedIndex == EasyDuration.Items.Count - 1)
                CustomDuration.Text = m_values[EasyDuration.Items.Count - 1];

            if (ValueChanged != null)
                ValueChanged(sender, e);
        }

        private void CustomDuration_TextChanged(object sender, EventArgs e)
        {
            try
            {
                TimeSpan ts = Duplicati.Library.Core.Timeparser.ParseTimeSpan(CustomDuration.Text);
            }
            catch (Exception ex)
            {
                errorProvider.SetError(CustomDuration, ex.Message);
                return;
            }

            errorProvider.SetError(CustomDuration, "");
            m_values[EasyDuration.Items.Count - 1] = CustomDuration.Text;

            if (ValueChanged != null)
                ValueChanged(sender, e);
        }

        public string Value
        {
            get
            {
                if (EasyDuration.SelectedIndex < 0)
                    return "";
                else
                    return m_values[EasyDuration.SelectedIndex];
            }
            set
            {
                for (int i = 0; i < m_values.Length; i++)
                    if (m_values[i] == value)
                    {
                        EasyDuration.SelectedIndex = i;
                        return;
                    }

                m_values[EasyDuration.Items.Count - 1] = value;
                EasyDuration.SelectedIndex = EasyDuration.Items.Count - 1;

                if (ValueChanged != null)
                    ValueChanged(this, null);
            }
        }
    }
}