using Fitness_core_BE.DTOs.Meal;
using Fitness_core_BE.DTOs.Workout;
using Fitness_core_BE.Models;

namespace Fitness_core_BE.Interfaces
{
    public interface ICustomerRepository
    {
        Task<Customer?> GetCustomerById(Guid customerId);

        // Central dedupe lookup: is this phone/email an existing Customer (active or not)?
        // Matches on Customer's own PrimaryPH/SecondaryPH/Email as well as the linked User's
        // PhoneNumber/Email, and deliberately does not filter by IsActive — an inactive
        // customer's identity still counts as "already exists" so no duplicate central
        // record gets created for the same person.
        Task<Customer?> GetCustomerByIdentifier(string identifier);

        Task<Customer> CreateCustomer(Customer customer);
        Task<Customer?> UpdateCustomer(Guid customerId, Customer customer);

        /// <summary>
        /// Ensures this tenant DB has the TenantCustomerLink anchor row every tenant-side
        /// FK (subscriptions, cards, attendance, ...) points at. Idempotent: refreshes the
        /// cached display fields and re-activates the link when the row already exists, so
        /// it is safe to call on both first-time creation and re-enrolment.
        /// </summary>
        Task EnsureTenantCustomerLink(Customer customer);

        // Own-gym duplicate check: does THIS tenant already have an active customer whose
        // cached phone/email matches? Scoped by construction (TenantDbContext is already this
        // gym's own schema) -- no clientId parameter needed.
        Task<TenantCustomerLink?> FindActiveLinkByIdentifierAsync(string identifier);

        Task<bool> DeleteCustomer(Guid customerId);
        // Client-initiated delete: deactivates only this customer's presence at the calling
        // client's gym (subscriptions/members/plan assignments scoped to clientId). The shared
        // central Customer record is never touched — the same person may be an active member
        // at a different gym.
        Task<bool> DeactivateCustomerForClient(Guid customerId, Guid clientId);
        Task<List<ClientBusiness>> GetAllClentShopsAsync();
        Task<Guid?> GetCustomerClientId(Guid customerId);
        Task<MealPlan?> GetActiveMealPlanAsync(Guid? clientId = null, Guid? cusId = null);
        Task<WorkoutPlan?> GetActiveWorkOutAsync(Guid? clientId = null, Guid? cusId = null);
        Task<List<MealPlanDetailDto>> GetFollowedMealPlansByCustomerIdAsync(Guid customerId);
        // All of the customer's own AI-generated meal plans (IsTemplate=false), regardless of
        // whether they're currently followed — distinct from admin/client-authored templates.
        Task<List<MealPlanDetailDto>> GetMyMealPlansByCustomerIdAsync(Guid customerId);
        Task<MealPlanDetailDto?> GetMealPlanByIdForCustomerAsync(Guid mealPlanId);
        Task<List<WorkoutPlanDetailDto>> GetFollowedWorkoutPlansByCustomerIdAsync(Guid customerId);
        Task<List<WorkoutPlanDetailDto>> GetMyWorkoutPlansByCustomerIdAsync(Guid customerId);
        Task<WorkoutPlanDetailDto?> GetWorkoutPlanByIdForCustomerAsync(Guid workoutPlanId, Guid customerId);
        Task<object> FollowMealPlan(Guid customerId, Guid mealPlanId);
        Task<object> FollowWorkoutPlan(Guid customerId, Guid workOutPlanId);
        // Active (IsActive) CustomerWorkout join row for this customer + plan, regardless of
        // whether it's the currently-followed one — used to scope per-exercise completion.
        Task<CustomerWorkout?> GetActiveCustomerWorkoutAsync(Guid customerId, Guid workoutPlanId);
        Task SetExerciseCompletionAsync(Guid customerWorkoutId, Guid workoutExerciseId, bool completed);
        Task<object> GetClientBizDataAsync(Guid ClientBizId);
        Task<CustomerHealth> GetCusHealthRec(Guid cusID);
        Task<List<CustomerTarget>> GetCusProgressRec(Guid cusID);
        Task<object> CreateCusHealthRecAsync(CustomerHealth customerHealth);
        Task<object> UpdateCusHealthRecAsync(CustomerHealth NewcustomerHealth);
        Task<object> CreateCustomerTargetAsync(CustomerTarget customerTarget);
        Task<CustomerTarget?> GetLatestCustomerTargetAsync(Guid customerId);
        Task<List<CustomerTarget>> GetCustomerTargetsAsync(Guid customerId);
        Task<CustomerTarget> UpdateLatestCustomerTargetNutritionsAsync(Guid customerId, string predictedNutritionsJson);
        Task<Dictionary<string, List<CustomerTarget>>> GetCustomerProgressGroupedByGoalAsync(Guid customerId);
        Task<CusWeightLossProgress> UpdateWeeklyProgressAsync(Guid customerId, Guid customerTargetId, decimal weight, DateTime? recordedAt);
        Task<List<CusWeightLossProgress>> GetWeeklyProgressForCustomerAsync(Guid customerId, Guid customerTargetId);
        Task<bool> VerifyCustomer(Guid userId, string type, string identifire);
        Task<bool> IsverifiedCus(Guid cusId);
        Task<List<CustomerCards>> GetCardsByCustomerIdAsync(Guid customerId, CancellationToken ct = default);
        Task<CustomerCards?> GetCardByIdAsync(Guid cardId, CancellationToken ct = default);
        Task<CustomerCards> AddCardAsync(CustomerCards card, CancellationToken ct = default);
    }
}