/*
 * Greenshot - a free and open source screenshot tool
 * Copyright (C) 2007-2016 Thomas Braun, Jens Klingen, Robin Krom
 * 
 * For more information see: http://getgreenshot.org/
 * The Greenshot project is hosted on GitHub https://github.com/greenshot/greenshot
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 1 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.IO;
using System.Windows.Forms;
using Dapplo.HttpExtensions;
using Dapplo.Jira.Entities;
using Greenshot.IniFile;
using Greenshot.Plugin;
using GreenshotJiraPlugin.Forms;
using GreenshotPlugin.Controls;
using GreenshotPlugin.Core;

namespace GreenshotJiraPlugin {
	/// <summary>
	/// Description of JiraDestination.
	/// </summary>
	public class JiraDestination : AbstractDestination {
		private static readonly log4net.ILog Log = log4net.LogManager.GetLogger(typeof(JiraDestination));
		private static readonly JiraConfiguration Config = IniConfig.GetIniSection<JiraConfiguration>();
		private readonly JiraPlugin _jiraPlugin;
		private readonly Issue _jiraIssue;
		
		public JiraDestination(JiraPlugin jiraPlugin) {
			_jiraPlugin = jiraPlugin;
		}

		public JiraDestination(JiraPlugin jiraPlugin, Issue jiraIssue) {
			_jiraPlugin = jiraPlugin;
			_jiraIssue = jiraIssue;
		}

		public override string Designation => "Jira";

		public override string Description {
			get
			{
				if (_jiraIssue?.Fields?.Summary == null) {
					return Language.GetString("jira", LangKey.upload_menu_item);
				}
				// Format the title of this destination
				return _jiraIssue.Key + ": " + _jiraIssue.Fields.Summary.Substring(0, Math.Min(20, _jiraIssue.Fields.Summary.Length));
			}
		}
		
		public override bool IsActive => base.IsActive && !string.IsNullOrEmpty(Config.Url);

		public override bool IsDynamic => true;

		public override Image DisplayIcon {
			get
			{
				Image displayIcon = null;
				var jiraConnector = JiraPlugin.Instance.CurrentJiraConnector;
				if (jiraConnector  != null)
				{
					if (_jiraIssue != null)
					{
						// Try to get the issue type as icon
						try
						{
							displayIcon = jiraConnector.GetIssueTypeBitmapAsync(_jiraIssue).Result;
						}
						catch (Exception ex)
						{
							Log.Warn($"Problem loading issue type for {_jiraIssue.Key}, ignoring", ex);
						}
					}
					if (displayIcon == null)
					{
						displayIcon = jiraConnector.FavIcon;
					}
				}
				if (displayIcon == null)
				{
					var resources = new ComponentResourceManager(typeof(JiraPlugin));
					displayIcon = (Image)resources.GetObject("Jira");
				}
				return displayIcon;
			}
		}

		public override IEnumerable<IDestination> DynamicDestinations()
		{
			var jiraConnector = JiraPlugin.Instance.CurrentJiraConnector;
			if (jiraConnector == null || !jiraConnector.IsLoggedIn) {
				yield break;
			}
			foreach(var jiraDetails in jiraConnector.Monitor.RecentJiras)
			{
				yield return new JiraDestination(_jiraPlugin,jiraDetails.JiraIssue);
			}
		}

		public override ExportInformation ExportCapture(bool manuallyInitiated, ISurface surfaceToUpload, ICaptureDetails captureDetails) {
			ExportInformation exportInformation = new ExportInformation(Designation, Description);
			string filename = Path.GetFileName(FilenameHelper.GetFilename(Config.UploadFormat, captureDetails));
			SurfaceOutputSettings outputSettings = new SurfaceOutputSettings(Config.UploadFormat, Config.UploadJpegQuality, Config.UploadReduceColors);
			if (_jiraIssue != null) {
				try {
					// Run upload in the background
					new PleaseWaitForm().ShowAndWait(Description, Language.GetString("jira", LangKey.communication_wait),
						async () =>
						{
							var surfaceContainer = new SurfaceContainer(surfaceToUpload, outputSettings, filename);
							await _jiraPlugin.JiraConnector.AttachAsync(_jiraIssue.Key, surfaceContainer);
							surfaceToUpload.UploadUrl = _jiraPlugin.JiraConnector.JiraBaseUri.AppendSegments("browse", _jiraIssue.Key).AbsoluteUri;
						}
					);
					Log.DebugFormat("Uploaded to Jira {0}", _jiraIssue.Key);
					exportInformation.ExportMade = true;
					exportInformation.Uri = surfaceToUpload.UploadUrl;
				} catch (Exception e) {
					MessageBox.Show(Language.GetString("jira", LangKey.upload_failure) + " " + e.Message);
				}
			} else {
				var jiraForm = new JiraForm(_jiraPlugin.JiraConnector);
				jiraForm.SetFilename(filename);
				var dialogResult = jiraForm.ShowDialog();
				if (dialogResult == DialogResult.OK) {
					try {
						surfaceToUpload.UploadUrl = _jiraPlugin.JiraConnector.JiraBaseUri.AppendSegments("browse", jiraForm.GetJiraIssue().Key).AbsoluteUri;
						// Run upload in the background
						new PleaseWaitForm().ShowAndWait(Description, Language.GetString("jira", LangKey.communication_wait),
							async () =>
							{
								await jiraForm.UploadAsync(new SurfaceContainer(surfaceToUpload, outputSettings, filename));
							}
						);
						Log.DebugFormat("Uploaded to Jira {0}", jiraForm.GetJiraIssue().Key);
						exportInformation.ExportMade = true;
						exportInformation.Uri = surfaceToUpload.UploadUrl;
					} catch(Exception e) {
						MessageBox.Show(Language.GetString("jira", LangKey.upload_failure) + " " + e.Message);
					}
				}
			}
			ProcessExport(exportInformation, surfaceToUpload);
			return exportInformation;
		}
	}
}