using Fitness_core_BE.Domain;
using Fitness_core_BE.DTOs.Customer;
using Fitness_core_BE.DTOs.CustomerPlan;
using Fitness_core_BE.DTOs.Meal;
using Fitness_core_BE.DTOs.Workout;
using Fitness_core_BE.Models;

namespace Fitness_core_BE.Interfaces
{
    public interface IClientRepository
{

        Task<List<Customer>> GetAllCustomers();
        Task<Customer?> GetCustomerById(Guid customerId);

        Task<List<Client>> GetAllClientsAsync(CancellationToken ct = default);
        Task<Client?> GetClientByIdAsync(Guid clientId, CancellationToken ct = default);
        Task<List<Customer>> GetClientListAsync(Guid clientId, CancellationToken ct = default);
        Task <object> RegisterClientAsync(Client client,  CancellationToken ct = default);
        Task RegisterBussinessDetailAsync(ClientBusiness clientBusiness, CancellationToken ct = default);
        // Tracked (unlike GetClientByIdAsync) so the caller can mutate & persist via UoW.
        Task<ClientBusiness?> GetPrimaryBusinessByClientIdAsync(Guid clientId, CancellationToken ct = default);
        Task<Client?> GetClientEntityByIdAsync(Guid clientId, CancellationToken ct = default);
        Task<List<FollowedPlanDto>> GetFollowedWorkoutPlansAsync(Guid customerId, CancellationToken ct = default);
        Task<List<FollowedPlanDto>> GetFollowedMealPlansAsync(Guid customerId, CancellationToken ct = default);
        Task<CustomerHealth?> GetCustomerHealthAsync(Guid customerId, CancellationToken ct = default);
        

        Task<List<MemberListRowDto>> GetCustomersByClientIdAsync(Guid clientId, CancellationToken ct = default);
        Task<bool> CustomerBelongsToClientAsync(Guid customerId, Guid clientId, CancellationToken ct = default);
        Task<List<CustomerPlan>> GetCustomerPlansByClientIdAsync(Guid clientId, CancellationToken ct = default);

        // Workout Plan operations
        Task<List<WorkoutPlanDto>> GetWorkoutPlansByClientIdAsync(Guid clientId, CancellationToken ct = default);
        Task<WorkoutPlanDetailDto?> GetWorkoutPlanByIdForClientAsync(Guid workoutPlanId, Guid clientId, CancellationToken ct = default);

        // Meal Plan operations
        Task<List<MealPlanDto>> GetMealPlansByClientIdAsync(Guid clientId, CancellationToken ct = default);
        Task<MealPlanDetailDto?> GetMealPlanByIdForClientAsync(Guid mealPlanId, Guid clientId, CancellationToken ct = default);

        // Customer Plan operations
        Task<CustomerPlanDto?> GetCustomerPlanByIdForClientAsync(Guid customerPlanId, Guid clientId, CancellationToken ct = default);
        // Full entity (not the DTO above) — needed by CustomerSubscriptionFactory, which reads
        // DurationMode/ValidTo/InstallmentCount/HasOnboardingFee that the DTO doesn't carry.
        Task<CustomerPlan?> GetCustomerPlanEntityForClientAsync(Guid customerPlanId, Guid clientId, CancellationToken ct = default);

        // Change-membership-plan / unassign-membership operations
        Task<SubscriptionMember?> GetActiveMembershipForCustomerAsync(Guid customerId, CancellationToken ct = default);
        // Deactivates a whole subscription and its members/subitems/installments.
        Task DeactivateSubscriptionAsync(Guid subscriptionId, CancellationToken ct = default);
        // Deactivates a single member's row within a (possibly still-active) subscription.
        Task DeactivateSubscriptionMemberAsync(Guid subscriptionMemberId, CancellationToken ct = default);
        // Any membership (assigned or not) for assign/unassign to act on.
        Task<SubscriptionMember?> GetMembershipForCustomerAsync(Guid customerId, CancellationToken ct = default);
        // Toggles IsPlanAssigned without touching IsActive, so the member stays listed.
        Task SetMembershipPlanAssignedAsync(
            Guid subscriptionId, bool assigned, bool wholeSubscription, Guid subscriptionMemberId,
            CancellationToken ct = default);
        // Deactivates oldMembership's subscription (if primary) or just their own row (if not),
        // then persists newAggregate as the customer's new subscription.
        Task ReplaceCustomerSubscriptionAsync(SubscriptionMember? oldMembership, CustomerSubscriptionAggregate newAggregate, CancellationToken ct = default);

        // Client Package operations
        Task<List<ClientPackage>> GetPackageListAsync(CancellationToken ct = default);
        Task<ClientPackage?> GetPackageByIdAsync(Guid id, CancellationToken ct = default);
        Task<List<ClientBusiness>> GetActiveGymsAsync(CancellationToken ct = default);
        Task<List<CustomerCards>> GetCardsByClientIdAsync(Guid clientId, CancellationToken ct = default);
        Task<List<CustomerCards>> GetCardsByCustomerForClientAsync(Guid customerId, Guid clientId, CancellationToken ct = default);
    }
}