using System;
using System.Collections;
using System.Collections.Generic;
using Ichni.RhythmGame;
using Ichni.RhythmGame.Beatmap;
using UnityEngine;
using UnityEngine.Serialization;

namespace Ichni.Editor
{
    public class CameraManager : MonoBehaviour, IBaseElement
    {
        public Camera backgroundCamera;

        public bool isSceneCameraActive;
        public SceneCamera sceneCamera;
        public float sceneCameraMoveSpeed;
        public float sceneCameraRotateSpeed;

        public PanelDrawer panelDrawer => EditorManager.instance.panelDrawer;

        public GameCamera gameCamera;
        public bool haveGameCamera => gameCamera != null;
        public Camera currentCamera => haveGameCamera && !isSceneCameraActive ? gameCamera.cam : sceneCamera.sceneCamera;

        public BaseElement_BM matchedBM { get; set; }

        public void SwitchCamera()
        {
            if (!haveGameCamera)
            {
                LogWindow.Log("GameCamera is not assigned", Color.red);
                return;
            }

            isSceneCameraActive = !isSceneCameraActive;
            sceneCamera.sceneCamera.enabled = isSceneCameraActive;
            gameCamera.cam.enabled = !isSceneCameraActive;

            EditorManager.instance.backgroundController.backgroundCanvas.worldCamera = currentCamera;
        }

        public void SetUpInspector()
        {
            var editBtnRef = new ElementRef<DynamicUIButton>();

            InspectorBuilder.For(this)
                .Section("Camera Manager")
                    .HintText(() => isSceneCameraActive ? "Scene Camera" : "Game Camera")
                    .Button("Switch Camera", SwitchCamera)
                    .InputField(nameof(sceneCameraMoveSpeed), "Scene Camera Move Speed")
                    .Button(panelDrawer.isEditing ? "End Edit" : "Start Edit", () => { })
                        .Span(3)
                        .WithRef(editBtnRef)
                        .OnChanged(() =>
                        {
                            panelDrawer.SwitchEditing();
                            if (editBtnRef.Value != null)
                                editBtnRef.Value.buttonText.text = panelDrawer.isEditing ? "End Edit" : "Start Edit";
                        })
                .Build();

            sceneCamera.SetUpInspector();
        }
    }
}