using System;
using Yarn.Unity;

namespace AibisDream
{
    public class CommandOptionView : DialogueViewBase
    {
        // 进入指令选项模式
        private bool isInCommand;
        private string commandName;

        public override void RunLine(LocalizedLine dialogueLine, Action onDialogueLineFinished)
        {
            // 判断选项选项行
            if (dialogueLine.Text.IsOptionAttrLine())
            {
                isInCommand = true;
                base.RunLine(dialogueLine, onDialogueLineFinished);
                return;
            }
            // 判断是否进入Command状态
            isInCommand = dialogueLine.Text.TryGetCommandAttr(out var curCommandName);
            if (isInCommand)
            {
                // 保存指令
                commandName = curCommandName;
                // 进入下一步
                onDialogueLineFinished.Invoke();
            }
            else
            {
                base.RunLine(dialogueLine, onDialogueLineFinished);
            }
        }

        public override void RunOptions(DialogueOption[] dialogueOptions, Action<int> onOptionSelected)
        {
            // 非指令直接跳过
            if (!isInCommand)
            {
                base.RunOptions(dialogueOptions, onOptionSelected);
                return;
            }

            // 传输选项
            YarnOption[] options = YarnOption.GeneOptions(dialogueOptions, onOptionSelected);
            DialogController.Instance.InvokeOptionCommand(commandName, options);
            commandName = null;
        }

        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()
        {
            base.UserRequestedViewAdvancement();
        }
    }
}