using UnityEngine;

namespace AdaptUI
{
    [ExecuteAlways]
    [RequireComponent(typeof(Camera))]
    public class CameraFOVAdapter : MonoBehaviour
    {
        [Header("默认 FOV（记录挂载时 FOV）")]
        public float defaultFOV = 60f;

        [Header("iPhone 设备 FOV")]
        public float iPhoneFOV = 60f;

        [Header("iPad 设备 FOV")]
        public float iPadFOV = 60f;

        private Camera _camera;

        private void Awake()
        {
            _camera = GetComponent<Camera>();
#if !UNITY_EDITOR
            ApplyDeviceFOV();
#endif
        }

#if UNITY_EDITOR
        private void Reset()
        {
            _camera = GetComponent<Camera>();
            float fov = _camera.fieldOfView;

            defaultFOV = fov;
            iPhoneFOV = fov;
            iPadFOV = fov;

            Debug.Log("CameraFOVAdapter: 挂载时记录默认 FOV");
        }
#endif

        public void ApplyDeviceFOV()
        {
            if (_camera == null) _camera = GetComponent<Camera>();

            var deviceType = DeviceTypeHelper.DetectDeviceType();
            switch (deviceType)
            {
                case DeviceTypeHelper.DeviceType.iPhone:
                    _camera.fieldOfView = iPhoneFOV;
                    break;
                case DeviceTypeHelper.DeviceType.iPad:
                    _camera.fieldOfView = iPadFOV;
                    break;
                default:
                    _camera.fieldOfView = defaultFOV;
                    break;
            }

            Debug.Log($"Camera FOV 应用完成: 设备 = {deviceType}, FOV = {_camera.fieldOfView}");
        }

        public void SetFOVForDevice(DeviceTypeHelper.DeviceType deviceType, float fov)
        {
            switch (deviceType)
            {
                case DeviceTypeHelper.DeviceType.iPhone:
                    iPhoneFOV = fov;
                    break;
                case DeviceTypeHelper.DeviceType.iPad:
                    iPadFOV = fov;
                    break;
            }
        }
    }
}