using System;
using System.ComponentModel;
using System.Windows.Forms;

namespace Microsoft.Win32.TaskScheduler
{
	/// <summary>
	/// Control that will display the run times for a provided task.
	/// </summary>
	[System.Drawing.ToolboxBitmap(typeof(Microsoft.Win32.TaskScheduler.TaskEditDialog), "TaskControl")]
	public partial class TaskRunTimesControl : UserControl, ISupportInitialize
	{
		private bool initializing = false;
		private bool isTemp = false;
		private Task task;

		/// <summary>
		/// Initializes a new instance of the <see cref="TaskRunTimesControl"/> class.
		/// </summary>
		public TaskRunTimesControl()
		{
			initializing = true;
			InitializeComponent();
			initializing = false;
		}

		/// <summary>
		/// Gets or sets the end date.
		/// </summary>
		/// <value>The end date.</value>
		[Category("Data")]
		public DateTime EndDate
		{
			get { return endDatePicker.Value; }
			set { endDatePicker.Value = value; }
		}

		/// <summary>
		/// Gets or sets the start date.
		/// </summary>
		/// <value>The start date.</value>
		[Category("Data")]
		public DateTime StartDate
		{
			get { return startDatePicker.Value; }
			set { startDatePicker.Value = value; }
		}

		/// <summary>
		/// Gets or sets the task.
		/// </summary>
		/// <value>The task.</value>
		[Browsable(false), DefaultValue((Task)null)]
		public Task Task
		{
			get
			{
				return task;
			}
			set
			{
				task = value;
				this.Text = task == null ? null : string.Format(EditorProperties.Resources.TaskRunTimesDialogTitle, value.Name);
				isTemp = task == null ? false : task.Name.StartsWith(TaskPropertiesControl.runTimesTempTaskPrefix) && task.Name.Length == (TaskPropertiesControl.runTimesTempTaskPrefix.Length + Guid.NewGuid().ToString().Length);
				if (!initializing)
					Fetch();
			}
		}

		/// <summary>
		/// Signals the object that initialization is starting.
		/// </summary>
		public void BeginInit()
		{
			initializing = true;
		}

		/// <summary>
		/// Signals the object that initialization is complete.
		/// </summary>
		public void EndInit()
		{
			initializing = false;
			Fetch();
		}

		/// <summary>
		/// Initializes an instance of the <see cref="TaskRunTimesDialog"/> class.
		/// </summary>
		/// <param name="task">The task to display.</param>
		/// <param name="startDate">The date to begin looking for run times.</param>
		/// <param name="endDate">The date to end looking for run times.</param>
		public void Initialize(Task task = null, DateTime? startDate = null, DateTime? endDate = null)
		{
			BeginInit();
			if (startDate.HasValue)
				this.StartDate = startDate.Value;
			if (endDate.HasValue)
				this.EndDate = endDate.Value;
			this.Task = task;
			EndInit();
		}

		private void dateValueChanged(object sender, EventArgs e)
		{
			if (!initializing)
				Fetch();
		}

		private void Fetch()
		{
			if (task == null)
				listBox1.DataSource = null;
			else
			{
				if (isTemp) task.Enabled = true;
				listBox1.DataSource = task.GetRunTimes(this.StartDate, this.EndDate);
				if (isTemp) task.Enabled = false;
			}
		}

		internal bool ShouldSerializeEndDate()
		{
			return endDatePicker.ShouldSerializeValue();
		}

		internal bool ShouldSerializeStartDate()
		{
			return startDatePicker.ShouldSerializeValue();
		}

		private void label1_Click(object sender, EventArgs e)
		{

		}
	}
}