using HopFrame.Core.Services;
using Microsoft.EntityFrameworkCore;

namespace SpotiParty.Web.Services;

public class DashboardAuthHandler(ClientSideStorage storage, IDbContextFactory<DatabaseContext> contextFactory) : IHopFrameAuthHandler {

    public const string AdminPolicy = "ADMIN";
    
    public async Task<bool> IsAuthenticatedAsync(string? policy) {
        var token = storage.GetUserToken();
        if (string.IsNullOrWhiteSpace(token))
            return false;

        await using var context = await contextFactory.CreateDbContextAsync();
        var user = await context.Users.AsNoTracking().FirstOrDefaultAsync(u => u.RefreshToken == token);
        if (user is null) return false;

        if (policy == AdminPolicy) {
            return user.IsAdmin;
        }

        return true;
    }
    
    public async Task<string> GetCurrentUserDisplayNameAsync() {
        var token = storage.GetUserToken();
        if (string.IsNullOrWhiteSpace(token))
            return string.Empty;
        
        await using var context = await contextFactory.CreateDbContextAsync();
        var user = await context.Users.AsNoTracking().FirstOrDefaultAsync(u => u.RefreshToken == token);
        if (user is null) return string.Empty;

        return user.DisplayName;
    }
}