// Copyright (c) Pixel Crushers. All rights reserved.

using UnityEngine;

namespace PixelCrushers.DialogueSystem
{

    /// <summary>
    /// Deprecated by DialogueSystemTrigger.
    /// Barks at the start and/or end of a dialogue event. You can use this to chain barks, 
    /// essentially creating an interactive, gameplay conversation of barks.
    /// </summary>
    [AddComponentMenu("")] // Deprecated
    public class BarkOnDialogueEvent : ActOnDialogueEvent
    {

        /// <summary>
        /// The parameters for a bark action.
        /// </summary>
        [System.Serializable]
        public class BarkAction : Action
        {

            public Transform speaker;

            public Transform listener;

            [ConversationPopup]
            public string conversation;
        }

        /// <summary>
        /// Actions to take on the "start" event (e.g., OnConversationStart).
        /// </summary>
        public BarkAction[] onStart = new BarkAction[0];

        /// <summary>
        /// Actions to take on the "end" event (e.g., OnConversationEnd).
        /// </summary>
        public BarkAction[] onEnd = new BarkAction[0];

        /// <summary>
        /// The bark order.
        /// </summary>
        [Tooltip("The order in which to bark dialogue entries.")]
        public BarkOrder barkOrder = BarkOrder.Random;

        /// <summary>
        /// Gets the sequencer used by the current bark, if a bark is playing.
        /// If a bark is not playing, this is undefined. To check if a bark is
        /// playing, check the bark UI's IsPlaying property.
        /// </summary>
        /// <value>The sequencer.</value>
        public Sequencer sequencer { get; private set; }

        private BarkHistory barkHistory;

        void Awake()
        {
            barkHistory = new BarkHistory(barkOrder);
            sequencer = null;
        }

        public override void TryStartActions(Transform actor)
        {
            TryActions(onStart, actor);
        }

        public override void TryEndActions(Transform actor)
        {
            TryActions(onEnd, actor);
        }

        private void TryActions(BarkAction[] actions, Transform actor)
        {
            if (actions == null) return;
            foreach (BarkAction action in actions)
            {
                if (action != null && action.condition != null && action.condition.IsTrue(actor)) DoAction(action, actor);
            }
        }

        public void DoAction(BarkAction action, Transform actor)
        {
            if (action != null)
            {
                Transform speaker = Tools.Select(action.speaker, this.transform);
                Transform listener = Tools.Select(action.listener, actor);
                DialogueManager.Bark(action.conversation, speaker, listener, barkHistory);
                sequencer = BarkController.LastSequencer;
            }
        }

    }

}