using BCards.Web.Models;
using Stripe;

namespace BCards.Web.ViewModels;

public class ManageSubscriptionViewModel
{
    public User User { get; set; } = new();
    public Stripe.Subscription? StripeSubscription { get; set; }
    public Models.Subscription? LocalSubscription { get; set; }
    public List<Invoice> PaymentHistory { get; set; } = new();
    public List<AvailablePlanViewModel> AvailablePlans { get; set; } = new();
    public string? ErrorMessage { get; set; }
    public string? SuccessMessage { get; set; }
    
    // Propriedades calculadas
    public bool HasActiveSubscription => StripeSubscription?.Status == "active";
    public bool CanUpgrade => HasActiveSubscription && User.CurrentPlan != "premium";
    public bool CanDowngrade => HasActiveSubscription && User.CurrentPlan != "basic";
    public bool WillCancelAtPeriodEnd => StripeSubscription?.CancelAtPeriodEnd == true;
    
    public DateTime? CurrentPeriodEnd => StripeSubscription?.CurrentPeriodEnd;
    public DateTime? NextBillingDate => !WillCancelAtPeriodEnd ? CurrentPeriodEnd : null;
    
    public decimal? MonthlyAmount => StripeSubscription?.Items?.Data?.FirstOrDefault()?.Price?.UnitAmount / 100m;
    public string? Currency => StripeSubscription?.Items?.Data?.FirstOrDefault()?.Price?.Currency?.ToUpper();
    
    public string StatusDisplayName => (StripeSubscription?.Status) switch
    {
        "active" => "Ativa",
        "past_due" => "Em atraso",
        "canceled" => "Cancelada",
        "unpaid" => "Não paga",
        "incomplete" => "Incompleta",
        "incomplete_expired" => "Expirada",
        "trialing" => "Em período de teste",
        _ => "Desconhecido"
    };
    
    public string PlanDisplayName => User.CurrentPlan switch
    {
        "basic" => "Básico",
        "professional" => "Profissional", 
        "premium" => "Premium",
        _ => "Gratuito"
    };
}

public class AvailablePlanViewModel
{
    public string PlanType { get; set; } = string.Empty;
    public string DisplayName { get; set; } = string.Empty;
    public decimal Price { get; set; }
    public string PriceId { get; set; } = string.Empty;
    public int MaxLinks { get; set; }
    public bool AllowCustomThemes { get; set; }
    public bool AllowAnalytics { get; set; }
    public bool AllowCustomDomain { get; set; }
    public bool IsCurrentPlan { get; set; }
    public bool IsUpgrade { get; set; }
    public bool IsDowngrade { get; set; }
    public List<string> Features { get; set; } = new();
}

public class PaymentHistoryItemViewModel
{
    public string InvoiceId { get; set; } = string.Empty;
    public DateTime Date { get; set; }
    public decimal Amount { get; set; }
    public string Currency { get; set; } = string.Empty;
    public string Status { get; set; } = string.Empty;
    public string Description { get; set; } = string.Empty;
    public string? ReceiptUrl { get; set; }
    
    public string StatusDisplayName => Status switch
    {
        "paid" => "Pago",
        "open" => "Em aberto",
        "void" => "Cancelado",
        "uncollectible" => "Incobrável",
        _ => "Desconhecido"
    };
}