using AibisDream.SaveSystem;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using NUnit.Framework;

namespace AibisDream.SystemEditor.Tests
{
    public sealed class SaveSnapshotContractTests
    {
        [Test]
        public void PresentationProviders_KeepStableIdsAndRestoreOrder()
        {
            var showcase = new ShowcaseSnapshotProvider();
            var day2Sleep = new Day2SleepPresentationSnapshotProvider();
            var playTool = new PlayToolSnapshotProvider();
            var screen = new ScreenSnapshotProvider();

            Assert.That(showcase.SaveId, Is.EqualTo("showcase"));
            Assert.That(day2Sleep.SaveId, Is.EqualTo("day2SleepPresentation"));
            Assert.That(playTool.SaveId, Is.EqualTo("playTool"));
            Assert.That(showcase.RestoreOrder, Is.LessThan(day2Sleep.RestoreOrder));
            Assert.That(day2Sleep.RestoreOrder, Is.LessThan(playTool.RestoreOrder));
            Assert.That(playTool.RestoreOrder, Is.LessThan(screen.RestoreOrder));
        }

        [Test]
        public void PresentationSections_RoundTripAndLegacySnapshotsRemainReadable()
        {
            var source = new SaveSnapshot();
            source.sections[SnapshotProviderIds.Showcase] = new ShowcaseSnapshotDto
            {
                displayMode = ShowcaseDisplayMode.Large.ToString(),
                picName = "D2S星图",
                isBackgroundVisible = true
            };
            source.sections[SnapshotProviderIds.PlayTool] = new PlayToolSnapshotDto
            {
                isObjVisible = true,
                objPicName = "证物",
                objIsLocalized = true,
                isFullScreenVisible = true,
                fullScreenPicName = "病历",
                fullScreenIsLocalized = true
            };

            var restored = JsonConvert.DeserializeObject<SaveSnapshot>(
                JsonConvert.SerializeObject(source));
            var showcase = ((JObject)restored.sections[SnapshotProviderIds.Showcase])
                .ToObject<ShowcaseSnapshotDto>();
            var playTool = ((JObject)restored.sections[SnapshotProviderIds.PlayTool])
                .ToObject<PlayToolSnapshotDto>();

            Assert.That(restored.schemaVersion, Is.EqualTo(SaveSnapshotSchema.CurrentVersion));
            Assert.That(showcase.displayMode, Is.EqualTo("Large"));
            Assert.That(showcase.picName, Is.EqualTo("D2S星图"));
            Assert.That(playTool.objPicName, Is.EqualTo("证物"));
            Assert.That(playTool.objIsLocalized, Is.True);
            Assert.That(playTool.fullScreenPicName, Is.EqualTo("病历"));
            Assert.That(playTool.fullScreenIsLocalized, Is.True);

            var legacyPlayTool = JsonConvert.DeserializeObject<PlayToolSnapshotDto>(
                "{\"isObjVisible\":true,\"objPicName\":\"legacy\"}");
            Assert.That(legacyPlayTool.objIsLocalized, Is.False);
            Assert.That(legacyPlayTool.fullScreenIsLocalized, Is.False);

            var legacy = JsonConvert.DeserializeObject<SaveSnapshot>(
                "{\"schemaVersion\":1,\"sections\":{}}");
            Assert.That(legacy.schemaVersion, Is.EqualTo(1));
            Assert.That(legacy.sections, Is.Empty);
        }
    }
}