using System;
using Newtonsoft.Json.Linq;
using NUnit.Framework;
using UnityEngine;

namespace ShrinkDataSaver.Tests
{
    [TestFixture]
    public class SaveTypesTests
    {
        // ── SaveMeta ──

        [Test]
        public void SaveMeta_LastModifiedTime_ConvertsCorrectly()
        {
            var meta = new SaveMeta
            {
                LastModified = 1700000000 // 2023-11-14 22:13:20 UTC
            };

            var dt = meta.LastModifiedTime;
            Assert.AreEqual(2023, dt.Year);
            Assert.AreEqual(11, dt.Month);
        }

        [Test]
        public void SaveMeta_Defaults()
        {
            var meta = new SaveMeta();
            Assert.AreEqual("New Save", meta.SlotName);
            Assert.AreEqual(1, meta.SaveVersion);
            Assert.IsFalse(meta.IsEncrypted);
            Assert.IsNull(meta.ScreenshotBase64);
        }

        // ── ModuleConfig ──

        [Test]
        public void ModuleConfig_Defaults()
        {
            var cfg = new ModuleConfig();
            Assert.IsTrue(cfg.EnableCloudSync);
            Assert.AreEqual(0f, cfg.AutoSaveIntervalSeconds);
            Assert.IsFalse(cfg.CriticalModule);
        }

        // ── SaveOptions ──

        [Test]
        public void SaveOptions_Defaults()
        {
            var opt = new SaveOptions();
            Assert.AreEqual("New Save", opt.SlotName);
            Assert.IsFalse(opt.CaptureScreenshot);
            Assert.IsNull(opt.Screenshot);
            Assert.IsFalse(opt.Encrypt);
            Assert.IsNull(opt.EncryptionKey);
        }

        // ── LambdaSaveModule ──

        [Test]
        public void LambdaSaveModule_Serialize_CallsFactory()
        {
            var data = new TestData { Value = 42 };
            var module = new LambdaSaveModule<TestData>("test", () => data, d => { });

            Assert.AreEqual("test", module.Key);
            var result = module.Serialize();
            Assert.AreEqual(42, result.Value);
        }

        [Test]
        public void LambdaSaveModule_Deserialize_CallsConsumer()
        {
            TestData received = null;
            var module = new LambdaSaveModule<TestData>("test", () => null, d => received = d);

            ((ISaveModule)module).DeserializeRaw(JToken.FromObject(new TestData { Value = 99 }));
            Assert.IsNotNull(received);
            Assert.AreEqual(99, received.Value);
        }

        // ── 事件参数 ──

        [Test]
        public void SaveCompletedEventArgs_Fields()
        {
            var args = new SaveCompletedEventArgs
            {
                SlotIndex = 2,
                ModuleNames = new[] { "inventory", "quests" },
                Timestamp = 1234567890
            };

            Assert.AreEqual(2, args.SlotIndex);
            Assert.AreEqual(2, args.ModuleNames.Length);
            Assert.AreEqual(1234567890, args.Timestamp);
        }

        [Test]
        public void LoadCompletedEventArgs_Fields()
        {
            var args = new LoadCompletedEventArgs
            {
                SlotIndex = 1,
                ModuleNames = new[] { "player" },
                Version = 3,
                Timestamp = 9999
            };

            Assert.AreEqual(1, args.SlotIndex);
            Assert.AreEqual(3, args.Version);
        }

        [Test]
        public void MigrationCompletedEventArgs_Fields()
        {
            var args = new MigrationCompletedEventArgs
            {
                SlotIndex = 0, FromVersion = 1, ToVersion = 3
            };

            Assert.AreEqual(1, args.FromVersion);
            Assert.AreEqual(3, args.ToVersion);
        }

        [Serializable]
        public class TestData
        {
            public int Value;
        }
    }
}