using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
using SVSim.Database;
using SVSim.Database.Models;
using SVSim.UnitTests.Infrastructure;

namespace SVSim.UnitTests.Models;

public class GameConfigurationJsonbTests
{
    [Test]
    public async Task DefaultSeed_populates_canonical_GameConfigRoot_defaults()
    {
        using var factory = new SVSimTestFactory();
        using var scope = factory.Services.CreateScope();
        var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();

        var cfg = await db.GameConfigurations.FirstOrDefaultAsync(c => c.Id == "default");

        Assert.That(cfg, Is.Not.Null, "default GameConfiguration row must exist (seeded via EnsureSeedDataAsync)");
        Assert.That(cfg!.Config, Is.Not.Null, "Config must round-trip to non-null GameConfigRoot");
        Assert.That(cfg.Config.DefaultGrants.Crystals, Is.EqualTo(50000UL), "pre-refactor default");
        Assert.That(cfg.Config.DefaultGrants.Rupees,   Is.EqualTo(50000UL), "pre-refactor default");
        Assert.That(cfg.Config.DefaultGrants.Ether,    Is.EqualTo(50000UL), "pre-refactor default");
        Assert.That(cfg.Config.Player.MaxFriends, Is.EqualTo(20), "pre-refactor default");
        Assert.That(cfg.Config.DefaultLoadout.SleeveId, Is.EqualTo(3000011), "pre-refactor default sleeve");
        Assert.That(cfg.Config.PackRates.AnimatedRate, Is.EqualTo(0.08).Within(1e-9), "SV Classic default");
        Assert.That(cfg.Config.PackRates.Default.Bronze, Is.EqualTo(0.6744).Within(1e-9));
        // PerSlot is now a List<SlotRarityWeights> keyed by Slot string (see Task 5 deviation note).
        var slot8 = cfg.Config.PackRates.PerSlot.FirstOrDefault(s => s.Slot == "8");
        Assert.That(slot8, Is.Not.Null, "slot-8 default entry must be present");
        Assert.That(slot8!.Silver, Is.EqualTo(0.7692).Within(1e-9));
    }

    [Test]
    public async Task Mutation_then_save_then_reload_round_trips_through_jsonb()
    {
        using var factory = new SVSimTestFactory();

        using (var scope = factory.Services.CreateScope())
        {
            var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
            var cfg = await db.GameConfigurations.FirstAsync(c => c.Id == "default");
            cfg.Config.Rotation.TsRotationId = "99999";
            cfg.Config.PackRates.AnimatedRate = 0.42;
            db.Entry(cfg).Property(c => c.Config).IsModified = true;
            await db.SaveChangesAsync();
        }

        using (var scope = factory.Services.CreateScope())
        {
            var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
            var cfg = await db.GameConfigurations.FirstAsync(c => c.Id == "default");
            Assert.That(cfg.Config.Rotation.TsRotationId, Is.EqualTo("99999"));
            Assert.That(cfg.Config.PackRates.AnimatedRate, Is.EqualTo(0.42).Within(1e-9));
        }
    }

    [Test]
    public async Task GlobalsImporter_updates_Rotation_without_clobbering_other_subconfigs()
    {
        using var factory = new SVSimTestFactory();
        await factory.SeedGlobalsAsync();   // imports load-index which has ts_rotation_id="10015"

        using var scope = factory.Services.CreateScope();
        var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
        var cfg = await db.GameConfigurations.FirstAsync(c => c.Id == "default");

        Assert.That(cfg.Config.Rotation.TsRotationId, Is.EqualTo("10015"),
            "GlobalsImporter should set Rotation.TsRotationId from the prod capture.");
        // PackRates is NOT in the load-index capture; must keep the seeded default unchanged.
        Assert.That(cfg.Config.PackRates.AnimatedRate, Is.EqualTo(0.08).Within(1e-9),
            "GlobalsImporter must not clobber PackRates while updating Rotation.");
    }
}