using MongoDB.Driver;
using Microsoft.Extensions.Options;

namespace SkyArtShop.Services
{
    public class MongoDBSettings
    {
        public string ConnectionString { get; set; } = string.Empty;
        public string DatabaseName { get; set; } = string.Empty;
        public Dictionary<string, string> Collections { get; set; } = new Dictionary<string, string>();
    }

    public class MongoDBService
    {
        private readonly IMongoDatabase _database;
        private readonly MongoDBSettings _settings;

        public MongoDBService(IOptions<MongoDBSettings> settings)
        {
            _settings = settings.Value;
            var client = new MongoClient(_settings.ConnectionString);
            _database = client.GetDatabase(_settings.DatabaseName);
        }

        public IMongoCollection<T> GetCollection<T>(string collectionName)
        {
            return _database.GetCollection<T>(collectionName);
        }

        // Helper methods for common operations
        public async Task<List<T>> GetAllAsync<T>(string collectionName)
        {
            var collection = GetCollection<T>(collectionName);
            return await collection.Find(_ => true).ToListAsync();
        }

        public async Task<T> GetByIdAsync<T>(string collectionName, string id)
        {
            var collection = GetCollection<T>(collectionName);
            var filter = Builders<T>.Filter.Eq("_id", MongoDB.Bson.ObjectId.Parse(id));
            return await collection.Find(filter).FirstOrDefaultAsync();
        }

        public async Task InsertAsync<T>(string collectionName, T document)
        {
            var collection = GetCollection<T>(collectionName);
            await collection.InsertOneAsync(document);
        }

        public async Task UpdateAsync<T>(string collectionName, string id, T document)
        {
            var collection = GetCollection<T>(collectionName);
            var filter = Builders<T>.Filter.Eq("_id", MongoDB.Bson.ObjectId.Parse(id));
            await collection.ReplaceOneAsync(filter, document);
        }

        public async Task DeleteAsync<T>(string collectionName, string id)
        {
            var collection = GetCollection<T>(collectionName);
            var filter = Builders<T>.Filter.Eq("_id", MongoDB.Bson.ObjectId.Parse(id));
            await collection.DeleteOneAsync(filter);
        }
    }
}