using Microsoft.EntityFrameworkCore;
using Novelly.Api.Data;

namespace Novelly.Api.Users;

public static class ServiceUser
{
    public static readonly Guid Id = new("9f1d6f2c-6d1b-4d3e-9a54-0f2b6f8a7c11");

    public const string Email = "service@novelly.local";
    public const string DisplayName = "Novelly Service";

    public static async Task<NovellyUser?> EnsureSeededAsync(INovelDbContext db, string? serviceApiKey, ILogger logger, CancellationToken ct = default)
    {
        if (string.IsNullOrWhiteSpace(serviceApiKey))
        {
            logger.LogInformation("No service api key configured; the service user {UserId} was not seeded", Id);
            return null;
        }

        var existing = await db.Users.FirstOrDefaultAsync(u => u.Id == Id, ct);
        if (existing is not null)
            return existing;

        var user = new NovellyUser
        {
            Id = Id,
            UserName = Email,
            NormalizedUserName = Email.ToUpperInvariant(),
            Email = Email,
            NormalizedEmail = Email.ToUpperInvariant(),
            EmailConfirmed = true,
            DisplayName = DisplayName,
            GlobalRole = GlobalRole.Admin,
            SecurityStamp = Guid.NewGuid().ToString("N"),
            ConcurrencyStamp = Guid.NewGuid().ToString("N")
        };

        db.Users.Add(user);
        await db.SaveChangesAsync(ct);

        logger.LogInformation("Seeded the service user {UserId} with global role {GlobalRole}", user.Id, user.GlobalRole);

        return user;
    }
}