using Model;
using Model.Repository;
using Shared;

namespace StubAPI;

public class ActivityService: IActivityRepository
{
    private List<Activity> _activities = new List<Activity>(
        new Activity[]
        {
            new Activity
            {
                Id = 1,
                    Type = "Running",
                    Date = new DateTime(2021, 10, 10),
                    StartTime = new DateTime(2021, 10, 10, 10, 0, 0),
                    EndTime = new DateTime(2021, 10, 10, 11, 0, 0),
                    Effort = 3,
                    Variability = 0.5f,
                    Variance = 0.5f,
                    StandardDeviation = 0.5f,
                    Average = 5.0f,
                    Maximum = 10,
                    Minimum = 0,
                    AverageTemperature = 20.0f,
                    HasAutoPause = false,
                    Users = {new User
                        {
                            Id = 3, Username = "Athlete3", ProfilePicture = "https://plus.unsplash.com/premium_photo-1705091981693-6006f8a20479?q=80&w=1974&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D", FirstName = "First3", LastName = "Last3",
                            Sexe = "M", Lenght = 190, Weight = 80, DateOfBirth = new DateTime(1994, 3, 3), Email = "ath@ex.fr",
                            Role = new Athlete()
                        }}
            },
        }
    );
    
    public async Task<IEnumerable<Activity>?> GetActivities(int index, int count, ActivityOrderCriteria criteria, bool descending = false)
    => await Task.FromResult(_activities.GetItemsWithFilterAndOrdering(c=>true,index, count,criteria != ActivityOrderCriteria.None ? criteria: null , descending));

    public Task<Activity?> GetActivityByIdAsync(int id)
    {
        return Task.FromResult(_activities.FirstOrDefault(s => s.Id == id));
    }

    public Task<Activity?> AddActivity(Activity activity)
    => _activities.AddItem(activity);
    

    public async Task<Activity?> UpdateActivity(int id, Activity activity)
    {
        var oldActivity = _activities.FirstOrDefault(s => s.Id == id);
        if (oldActivity == null) return null;
        return await _activities.UpdateItem(oldActivity, activity);
    }

    public Task<bool> DeleteActivity(int id)
    {
        var activity = _activities.FirstOrDefault(s => s.Id == id);
        if (activity == null) return Task.FromResult(false);
        return _activities.DeleteItem(activity);
    }

    public Task<int> GetNbItems()
    => Task.FromResult(_activities.Count);

    public async Task<IEnumerable<Activity>?> GetActivitiesByUser(int userId, int index, int count, ActivityOrderCriteria criteria, bool descending = false)
    {
        var activities = _activities.GetItemsWithFilterAndOrdering(c => c.Users.Any(u => u.Id == userId), index, count,
            criteria != ActivityOrderCriteria.None ? criteria : null, descending);
        return await Task.FromResult(activities);
    }

    public Task<int> GetNbActivitiesByUser(int userId)
    {
        return Task.FromResult(_activities.Count(a => a.Users.Any(u => u.Id == userId)));
    }
}