using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using System.Linq;

namespace BokBonCheck
{
    public class BookSearchResult
    {
        public string SiteName { get; set; }
        public int BookCount { get; set; }
        public string SearchTerm { get; set; }
        public DateTime SearchTime { get; set; }
        public string ErrorMessage { get; set; }
        public bool IsSuccess { get; set; }
    }

    public class BookSearchService
    {
        private readonly List<ILibrarySearcher> _searchers;

        public BookSearchService()
        {
            _searchers = new List<ILibrarySearcher>
            {
                new NamguLibrarySearcher()
                // 나중에 다른 도서관 검색기를 여기에 추가할 수 있습니다
            };
        }

        public async Task<List<BookSearchResult>> SearchBooksAsync(string searchTerm)
        {
            var results = new List<BookSearchResult>();

            foreach (var searcher in _searchers)
            {
                var result = await searcher.SearchAsync(searchTerm);
                results.Add(result);
            }

            return results;
        }

        public void AddSearcher(ILibrarySearcher searcher)
        {
            if (!_searchers.Any(s => s.SiteName == searcher.SiteName))
            {
                _searchers.Add(searcher);
            }
        }

        public void RemoveSearcher(string siteName)
        {
            var searcher = _searchers.FirstOrDefault(s => s.SiteName == siteName);
            if (searcher != null)
            {
                _searchers.Remove(searcher);
            }
        }

        public List<string> GetAvailableSites()
        {
            return _searchers.Select(s => s.SiteName).ToList();
        }

        public void ClearSearchers()
        {
            _searchers.Clear();
        }
    }
}