// MIT License - Copyright (c) 2025 wallstop
// Full license text: https://github.com/wallstop/unity-helpers/blob/main/LICENSE

namespace Samples.UnityHelpers.Serialization.Json
{
    using System;
    using System.Text.Json;
    using UnityEngine;
    using WallstopStudios.UnityHelpers.Core.Serialization;

    [Serializable]
    public struct SampleSave
    {
        public Vector3 position;
        public Quaternion rotation;
        public Color color;
        public Rect screenRect;
    }

    /// <summary>
    /// Demonstrates JSON serialization using Unity-aware converters and helper APIs.
    /// </summary>
    public sealed class JsonSerializationDemo : MonoBehaviour
    {
        private void Start()
        {
            SampleSave save = new SampleSave
            {
                position = new Vector3(1f, 2f, 3f),
                rotation = Quaternion.Euler(10f, 20f, 30f),
                color = new Color(1.2f, 0.5f, 0.3f, 1f),
                screenRect = new Rect(10f, 20f, 1920f, 1080f),
            };

            string json = Serializer.JsonStringify(save, pretty: true);
            Debug.Log("Serialized (pretty):\n" + json);

            SampleSave roundtrip = Serializer.JsonDeserialize<SampleSave>(json);
            Debug.Log(
                $"Roundtrip → pos={roundtrip.position}, rot={roundtrip.rotation.eulerAngles}"
            );

            JsonSerializerOptions fast = Serializer.CreateFastJsonOptions();
            byte[] bytes = Serializer.JsonSerialize(save, fast);
            SampleSave fastDecoded = Serializer.JsonDeserialize<SampleSave>(
                bytes,
                typeof(SampleSave),
                fast
            );
            Debug.Log($"Fast path bytes length: {bytes.Length}");
        }
    }
}