// Behavior originally contributed by Unknown.
//
// DOCUMENTATION:
//     http://www.thebuddyforum.com/mediawiki/index.php?title=Honorbuddy_Custom_Behavior:_ForcedMount
//
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading;

using Styx;
using Styx.CommonBot;
using Styx.CommonBot.Profiles;
using Styx.CommonBot.Routines;
using Styx.Helpers;
using Styx.Pathing;
using Styx.Plugins;
using Styx.TreeSharp;
using Styx.WoWInternals;
using Styx.WoWInternals.WoWObjects;

using Action = Styx.TreeSharp.Action;


namespace Honorbuddy.Quest_Behaviors.ForcedMount
{
    [CustomBehaviorFileName(@"ForcedMount")]
    public class ForcedMount : CustomForcedBehavior
    {
        public enum ForcedMountType
        {
            Ground,
            Flying,
            Water,
        }


        public ForcedMount(Dictionary<string, string> args)
            : base(args)
        {
            try
            {
                // QuestRequirement* attributes are explained here...
                //    http://www.thebuddyforum.com/mediawiki/index.php?title=Honorbuddy_Programming_Cookbook:_QuestId_for_Custom_Behaviors
                // ...and also used for IsDone processing.
                MountType = GetAttributeAsNullable<ForcedMountType>("MountType", false, null, null) ?? ForcedMountType.Ground;
                QuestId = GetAttributeAsNullable<int>("QuestId", false, ConstrainAs.QuestId(this), null) ?? 0;
                QuestRequirementComplete = GetAttributeAsNullable<QuestCompleteRequirement>("QuestCompleteRequirement", false, null, null) ?? QuestCompleteRequirement.NotComplete;
                QuestRequirementInLog = GetAttributeAsNullable<QuestInLogRequirement>("QuestInLogRequirement", false, null, null) ?? QuestInLogRequirement.InLog;
            }

            catch (Exception except)
            {
                // Maintenance problems occur for a number of reasons.  The primary two are...
                // * Changes were made to the behavior, and boundary conditions weren't properly tested.
                // * The Honorbuddy core was changed, and the behavior wasn't adjusted for the new changes.
                // In any case, we pinpoint the source of the problem area here, and hopefully it
                // can be quickly resolved.
                LogMessage("error", "BEHAVIOR MAINTENANCE PROBLEM: " + except.Message
                                    + "\nFROM HERE:\n"
                                    + except.StackTrace + "\n");
                IsAttributeProblem = true;
            }
        }


        // Attributes provided by caller
        public ForcedMountType MountType { get; private set; }
        public int QuestId { get; private set; }
        public QuestCompleteRequirement QuestRequirementComplete { get; private set; }
        public QuestInLogRequirement QuestRequirementInLog { get; private set; }

        // Private variables for internal state
        private bool _isBehaviorDone;
        private bool _isDisposed;
        private Composite _root;

        // Private properties
        private LocalPlayer Me { get { return (StyxWoW.Me); } }

        // DON'T EDIT THESE--they are auto-populated by Subversion
        public override string SubversionId { get { return ("$Id: ForcedMount.cs 501 2013-05-10 16:29:10Z chinajade $"); } }
        public override string SubversionRevision { get { return ("$Revision: 501 $"); } }


        ~ForcedMount()
        {
            Dispose(false);
        }


        public void Dispose(bool isExplicitlyInitiatedDispose)
        {
            if (!_isDisposed)
            {
                // NOTE: we should call any Dispose() method for any managed or unmanaged
                // resource, if that resource provides a Dispose() method.

                // Clean up managed resources, if explicit disposal...
                if (isExplicitlyInitiatedDispose)
                {
                    // empty, for now
                }

                // Clean up unmanaged resources (if any) here...
                TreeRoot.GoalText = string.Empty;
                TreeRoot.StatusText = string.Empty;

                // Call parent Dispose() (if it exists) here ...
                base.Dispose();
            }

            _isDisposed = true;
        }


        private void MountForFlying()
        {
            if (StyxWoW.Me.Class == WoWClass.Druid && (SpellManager.HasSpell("Flight Form") || SpellManager.HasSpell("Swift Flight Form")))
            {
                if (SpellManager.CanCast("Swift Flight Form"))
                { SpellManager.Cast("Swift Flight Form"); }

                else if (SpellManager.CanCast("Flight Form"))
                { SpellManager.Cast("Flight Form"); }
            }

            else
            {
                Mount.FlyingMounts.First().CreatureSpell.Cast();
             while (StyxWoW.Me.IsCasting)
                { Thread.Sleep(200); }
            }

            // Hop off the ground. Kthx
			Thread.Sleep(2500);
            Navigator.PlayerMover.Move(WoWMovement.MovementDirection.JumpAscend);
            Thread.Sleep(250);
            Navigator.PlayerMover.MoveStop();
        }


        private Composite CreateActualBehavior()
        {
            return new PrioritySelector(
                new Decorator(
                    ret => MountType == ForcedMountType.Ground,
                    new Action(ret => Mount.MountUp(() => WoWPoint.Zero))),

                new Decorator(
                    ret => MountType == ForcedMountType.Water && Mount.UnderwaterMounts.Count != 0 && StyxWoW.Me.IsSwimming,
                    new Action(ret => Mount.UnderwaterMounts.First().CreatureSpell.Cast())),

                new Decorator(
                    ret => MountType == ForcedMountType.Flying,
                    new Action(ret => MountForFlying()))
                );
        }


        #region Overrides of CustomForcedBehavior

        protected override Composite CreateBehavior()
        {
            if (_root == null)
            {
                _root = new Sequence(
                    CreateActualBehavior(),
                    new Action(ret => _isBehaviorDone = true));
            }
            return _root;
        }


        public override void Dispose()
        {
            Dispose(true);
            GC.SuppressFinalize(this);
        }


        public override bool IsDone
        {
            get
            {
                return (_isBehaviorDone     // normal completion
                        || !UtilIsProgressRequirementsMet(QuestId, QuestRequirementInLog, QuestRequirementComplete) || StyxWoW.Me.Mounted);
            }
        }


        public override void OnStart()
        {
            // This reports problems, and stops BT processing if there was a problem with attributes...
            // We had to defer this action, as the 'profile line number' is not available during the element's
            // constructor call.
            OnStart_HandleAttributeProblem();

            // If the quest is complete, this behavior is already done...
            // So we don't want to falsely inform the user of things that will be skipped.
            if (!IsDone)
            {
                TreeRoot.GoalText = "Mounting for " + MountType.ToString() + " travel";
            }
        }

        #endregion
    }
}
