using System.Text.Json;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using RadicadeServer.Admin;
using RadicadeServer.DB;
using RadicadeServer.RecNet.Auth;
using RadicadeServer.RecNet.Moderation;
using Xunit;

namespace RadicadeServer.Tests;

/// <summary>
/// PATCH admin/panel/players/{id} with the values the panel echoes back from its own GET.
///
/// Noteriety and ReputationScore are doubles on Reputation (NoterietyPerCheer is 0.5), so an account
/// that has been cheered carries a fractional value. The endpoint used to read them with GetInt32,
/// which throws System.FormatException on a fractional JSON number - the whole edit answered 500 and
/// saved nothing. Because only accounts with a fractional score hit it, it looked account-specific.
/// </summary>
public class AdminPanelFractionalReputationTests
{
    private const string Secret = "test-bot-secret";
    private const long Player = 3;

    private static RecDBContext NewDb() => new(
        TestDbOptions.Create()
            .UseInMemoryDatabase(Guid.NewGuid().ToString())
            .Options);

    private static async Task<RecDBContext> WithPlayer()
    {
        var db = NewDb();
        db.Profiles.Add(new Profile
        {
            accountId = Player,
            username = "fractional",
            displayName = "Fractional Player",
            profileImage = ""
        });
        db.Reputations.Add(new Reputation
        {
            AccountId = Player,
            Noteriety = 0.5,
            ReputationScore = 7.5
        });
        await db.SaveChangesAsync();
        return db;
    }

    private static async Task<IActionResult> Patch(RecDBContext db, string json)
    {
        var payload = JsonDocument.Parse(json).RootElement.Clone();
        var api = new AdminPanelAPI(db);
        var original = DBConfig.AdminApiKey;
        DBConfig.AdminApiKey = Secret;
        try
        {
            return await api.Update("players", Player, Secret, payload);
        }
        finally
        {
            DBConfig.AdminApiKey = original;
        }
    }

    [Fact]
    public async Task AFractionalNoterietyIsAcceptedAndStoredAsADouble()
    {
        using var db = await WithPlayer();

        // Exactly what the panel sends for an account whose score is not a whole number.
        var result = await Patch(db, """
            {
              "display_name": "Fractional Player",
              "reputation": 9.5,
              "noteriety": 1.5,
              "cheer_general": 3
            }
            """);

        Assert.IsType<OkObjectResult>(result);

        var rep = await db.Reputations.SingleAsync(x => x.AccountId == Player);
        Assert.Equal(1.5, rep.Noteriety);
        Assert.Equal(9.5, rep.ReputationScore);
        Assert.Equal(3, rep.CheerGeneral);
    }

    [Fact]
    public async Task AnOutOfRangeOrNumericStringIntegerDoesNotThrow()
    {
        using var db = await WithPlayer();

        // A value Int32 cannot hold, and an integer sent as a string, must both land (clamped /
        // parsed) rather than 500 the edit.
        var result = await Patch(db, """
            {
              "noteriety": 0.5,
              "cheer_helpful": "4",
              "cheer_creative": 9999999999999999999
            }
            """);

        Assert.IsType<OkObjectResult>(result);

        var rep = await db.Reputations.SingleAsync(x => x.AccountId == Player);
        Assert.Equal(4, rep.CheerHelpful);
        Assert.Equal(int.MaxValue, rep.CheerCreative);
    }
}