using BCards.Web.Models;
using MongoDB.Driver;

namespace BCards.Web.Repositories;

public class UserRepository : IUserRepository
{
    private readonly IMongoCollection<User> _users;

    public UserRepository(IMongoDatabase database)
    {
        _users = database.GetCollection<User>("users");
        
        // Create indexes
        var indexKeys = Builders<User>.IndexKeys.Ascending(x => x.Email);
        var indexOptions = new CreateIndexOptions { Unique = true };
        _users.Indexes.CreateOneAsync(new CreateIndexModel<User>(indexKeys, indexOptions));
    }

    public async Task<User?> GetByIdAsync(string id)
    {
        return await _users.Find(x => x.Id == id && x.IsActive).FirstOrDefaultAsync();
    }

    public async Task<User?> GetByEmailAsync(string email)
    {
        return await _users.Find(x => x.Email == email && x.IsActive).FirstOrDefaultAsync();
    }

    public async Task<User> CreateAsync(User user)
    {
        user.CreatedAt = DateTime.UtcNow;
        user.UpdatedAt = DateTime.UtcNow;
        await _users.InsertOneAsync(user);
        return user;
    }

    public async Task<User> UpdateAsync(User user)
    {
        user.UpdatedAt = DateTime.UtcNow;
        await _users.ReplaceOneAsync(x => x.Id == user.Id, user);
        return user;
    }

    public async Task DeleteAsync(string id)
    {
        await _users.UpdateOneAsync(
            x => x.Id == id,
            Builders<User>.Update.Set(x => x.IsActive, false).Set(x => x.UpdatedAt, DateTime.UtcNow)
        );
    }

    public async Task<bool> ExistsAsync(string email)
    {
        return await _users.Find(x => x.Email == email && x.IsActive).AnyAsync();
    }
}