import { useState, useEffect, useCallback } from 'react';
import { api } from '../services/api';
import { Activity } from '../types';

export const useActivities = (subDepartmentId?: string | number) => {
  const [activities, setActivities] = useState<Activity[]>([]);
  const [loading, setLoading] = useState(false);
  const [error, setError] = useState<string | null>(null);

  const fetchActivities = useCallback(async () => {
    setLoading(true);
    setError(null);
    try {
      const params: { subDepartmentId?: number; departmentId?: number } = {};
      if (subDepartmentId) {
        params.subDepartmentId = Number(subDepartmentId);
      }
      const data = await api.getActivities(params);
      setActivities(data);
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Failed to fetch activities');
      setActivities([]);
    } finally {
      setLoading(false);
    }
  }, [subDepartmentId]);

  useEffect(() => {
    fetchActivities();
  }, [fetchActivities]);

  return { activities, loading, error, refresh: fetchActivities };
};

export const useActivitiesByDepartment = (departmentId?: string | number) => {
  const [activities, setActivities] = useState<Activity[]>([]);
  const [loading, setLoading] = useState(false);
  const [error, setError] = useState<string | null>(null);

  const fetchActivities = useCallback(async () => {
    if (!departmentId) {
      setActivities([]);
      return;
    }
    
    setLoading(true);
    setError(null);
    try {
      const data = await api.getActivities({ departmentId: Number(departmentId) });
      setActivities(data);
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Failed to fetch activities');
      setActivities([]);
    } finally {
      setLoading(false);
    }
  }, [departmentId]);

  useEffect(() => {
    fetchActivities();
  }, [fetchActivities]);

  return { activities, loading, error, refresh: fetchActivities };
};