using System.Collections.Generic;
using UnityEngine;

namespace MeidoPhotoStudio.Plugin
{
    public class MessageWindowManager : IManager
    {
        public const string header = "TEXTBOX";
        public static readonly SliderProp FontBounds = new SliderProp(25f, 60f);

        private readonly MessageWindowMgr messageWindowMgr;
        private readonly GameObject subtitlesDisplayPanel;
        private readonly GameObject hitRetSprite;
        private readonly GameObject messageBox;
        private readonly GameObject messageButtons;
        private readonly UILabel messageLabel;
        private readonly UILabel speakerLabel;

        public bool ShowingMessage
        {
            get => messageWindowMgr.IsVisibleMessageViewer;
            private set
            {
                if (value)
                    messageWindowMgr.OpenMessageWindowPanel();
                else
                    messageWindowMgr.CloseMessageWindowPanel();
            }
        }

        public string MessageName
        {
            get => speakerLabel.text;
            private set => speakerLabel.text = value;
        }

        public string MessageText
        {
            get => messageLabel.text;
            private set => messageLabel.text = value;
        }

        public int FontSize
        {
            get => messageLabel.fontSize;
            set => messageLabel.fontSize = (int)Mathf.Clamp(value, FontBounds.Left, FontBounds.Right);
        }

        static MessageWindowManager()
        {
            InputManager.Register(MpsKey.ToggleMessage, KeyCode.M, "Show/hide message box");
        }

        public MessageWindowManager()
        {
            messageWindowMgr = GameMain.Instance.MsgWnd;

            var messageWindowPanel =
                Utility.GetFieldValue<MessageWindowMgr, GameObject>(messageWindowMgr, "m_goMessageWindowPanel");

            var msgParent = UTY.GetChildObject(messageWindowPanel, "MessageViewer/MsgParent");

            messageButtons = UTY.GetChildObject(msgParent, "Buttons");
            hitRetSprite = UTY.GetChildObject(msgParent, "Hitret");
            subtitlesDisplayPanel = UTY.GetChildObject(msgParent, "SubtitlesDisplayPanel");

            messageBox = UTY.GetChildObject(msgParent, "MessageBox");
            speakerLabel = UTY.GetChildObject(msgParent, "SpeakerName/Name").GetComponent<UILabel>();
            messageLabel = UTY.GetChildObject(msgParent, "Message").GetComponent<UILabel>();
        }

        public void Update() { }

        public void Activate()
        {
            if (Product.supportMultiLanguage)
                subtitlesDisplayPanel.SetActive(false);

            ResetMessageBoxProperties();

            SetMessageBoxActive(true);

            SetMessageBoxExtrasActive(false);

            CloseMessagePanel();
        }

        public void Deactivate()
        {
            if (Product.supportMultiLanguage)
            {
                subtitlesDisplayPanel.SetActive(true);

                SetMessageBoxActive(false);
            }

            ResetMessageBoxProperties();

            SetMessageBoxExtrasActive(true);

            CloseMessagePanel();
        }

        public void ShowMessage(string name, string message)
        {
            MessageName = name;
            MessageText = message;
            ShowingMessage = true;
        }

        public void CloseMessagePanel()
        {
            if (!ShowingMessage)
                return;

            ShowingMessage = false;
        }

        private void SetMessageBoxActive(bool active)
        {
            messageBox.SetActive(active);
            messageLabel.gameObject.SetActive(active);
            speakerLabel.gameObject.SetActive(active);
        }

        private void SetMessageBoxExtrasActive(bool active)
        {
            messageButtons.SetActive(active);
            hitRetSprite.SetActive(active);
        }

        private void ResetMessageBoxProperties()
        {
            FontSize = 25;
            MessageName = string.Empty;
            MessageText = string.Empty;
        }
    }
}