BlazorFluentUIPractice/BlazorFluentUI/Services/EmployeeService.cs

using BlazorFluentUI.Models;

namespace BlazorFluentUI.Services
{
    public class EmployeeService
    {
        private List<Employee> _fixedSample;

        Random _random = new Random();
        string[] _firstNames = new[] { "John", "Jane", "Michael", "Emily", "Robert", "Linda", "William", "Jessica", "David", "Sarah" };
        string[] _lastNames = new[] { "Smith", "Johnson", "Brown", "Williams", "Jones", "Garcia", "Miller", "Davis", "Martinez", "Hernandez" };
        string[] _jobs = new[] { "Developer", "Designer", "Manager", "Analyst", "Consultant", "Administrator", "Engineer", "Specialist", "Technician", "Coordinator" };
        string[] _titles = new[] { "Junior", "Mid", "Senior", "Lead", "Chief" };
        string[] _cities = new[] { "New York", "Los Angeles", "Chicago", "Houston", "Phoenix", "Philadelphia", "San Antonio", "San Diego", "Dallas", "San Jose" };
        string[] _regions = new[] { "NY", "CA", "IL", "TX", "AZ", "PA", "TX", "CA", "TX", "CA" };
        string[] _counties = new[] { "USA", "USA", "USA", "USA", "USA", "USA", "USA", "USA", "USA", "USA" };

        public EmployeeService()
        {
            _fixedSample = GenerateEmployData(100);
        }

        public List<Employee> GetEmployeeData(int count)
        {
            return GenerateEmployData(count).ToList();
        }

        public async Task<List<Employee>> GetEmployeeDataAsync(int count)
        {
            await Task.Delay(count * 10);

            return GenerateEmployData(count).ToList();
        }

        public List<Employee> GetFixedEmployeeData()
        {
            return _fixedSample;
        }

        private List<Employee> GenerateEmployData(int count)
        {
            var employees = new List<Employee>();
            for (int i = 0; i < count; i++)
            {
                var employee = new Employee
                {
                    ID = i + 1,
                    Photo = $"https://randomuser.me/api/portraits/med/{(i % 2 == 0 ? "men" : "women")}/{i}.jpg",
                    FirstName = _firstNames[_random.Next(_firstNames.Length)],
                    LastName = _lastNames[_random.Next(_lastNames.Length)],
                    Job = _jobs[_random.Next(_jobs.Length)],
                    Title = _titles[_random.Next(_titles.Length)],
                    BirthDate = new DateTime(_random.Next(1950, 2000), _random.Next(1, 13), _random.Next(1, 29)),
                    HireDate = DateTime.Today.AddDays(-_random.Next(1, 3650)),
                    Address = $"{_random.Next(1, 9999)} Main St",
                    City = _cities[_random.Next(_cities.Length)],
                    Region = _regions[_random.Next(_regions.Length)],
                    PostalCode = $"{_random.Next(10000, 99999)}",
                    Country = _counties[_random.Next(_counties.Length)],
                    Phone = $"{_random.Next(100, 999)}-555-{_random.Next(1000, 9999)}",
                    Extension = $"{_random.Next(100, 9999)}",
                    Notes = "Generated demo data"
                };
                employees.Add(employee);
            }

            return employees;
        }
    }
}