using System;
using AibisDream.Utility;
using Yarn.Unity;

namespace AibisDream
{
    public class LineView : DialogueViewBase
    {
        // 进入指令选项模式
        private bool _isInCommand;

        public override void RunLine(LocalizedLine dialogueLine, Action onDialogueLineFinished)
        {
            _isInCommand = dialogueLine.Text.HasCommandAttr();

            if (_isInCommand)
            {
                DialogCanvasManager.GetCurView().HideDialog();
                base.RunLine(dialogueLine, onDialogueLineFinished);
                return;
            }

            Action jumpVoice = SkipVoice;
            HandleLineOutput(dialogueLine, jumpVoice, onDialogueLineFinished);
            HandleVoiceOutput(dialogueLine);

            if (DialogController.Instance.quickRunMode)
            {
                onDialogueLineFinished.Invoke();
            }
        }

        private void HandleLineOutput(LocalizedLine dialogueLine, Action onTextShowed, Action onDialogueLineFinished)
        {
            // 对话系统正在交谈状态
            //DialogController.Instance.IsTalking = true;

            DialogCanvasManager.GetCurView().ShowLine(dialogueLine.TextWithoutCharacterName.Text,
                dialogueLine.GetCharacterVo(), onDialogueLineFinished, onTextShowed, dialogueLine.IsAutoSkipLine());
        }

        private void HandleVoiceOutput(LocalizedLine dialogueLine)
        {
            // 播放语音
            var voicePath = dialogueLine.GetCharacterVo().voicePath;
            if (!string.IsNullOrWhiteSpace(voicePath))
            {
                AudioManager.Instance.RandomPlayVoice(voicePath);
            }
        }

        private void SkipVoice()
        {
            AudioManager.Instance.StopVoice();
        }

        public override void RunOptions(DialogueOption[] dialogueOptions, Action<int> onOptionSelected)
        {
            if (_isInCommand)
            {
                DialogCanvasManager.GetCurView().HideDialog();
                base.RunOptions(dialogueOptions, onOptionSelected);
                return;
            }

            //DialogController.Instance.IsTalking = true;
            DialogCanvasManager.GetCurView().ShowOptions(dialogueOptions, onOptionSelected);
        }

        public override void InterruptLine(LocalizedLine dialogueLine, Action onDialogueLineFinished)
        {
            base.InterruptLine(dialogueLine, onDialogueLineFinished);
        }

        public override void DismissLine(Action onDismissalComplete)
        {
            base.DismissLine(onDismissalComplete);
        }

        public override void UserRequestedViewAdvancement()
        {
            if (_isInCommand)
            {
                return;
            }

            if (DialogController.Instance.IsBlock)
            {
                return;
            }

            if (!DialogCanvasManager.GetCurView().TrySkipLine())
            {
                AudioManager.Instance.StopVoice();
                requestInterrupt.Invoke();
            }
        }
    }
}