using System.Data;
using Dapper;
using Microsoft.Data.SqlClient;
using Microsoft.Extensions.Configuration;
using PruebaGentle.Core.Entities;
using PruebaGentle.Core.Interfaces;

namespace PruebaGentle.Infrastructure.Repositories;

public class UserRepository : IUserRepository
{
    private readonly string _connectionString;

    public UserRepository(IConfiguration configuration)
    {
        _connectionString = configuration.GetConnectionString("DefaultConnection")
            ?? throw new InvalidOperationException("Connection string 'DefaultConnection' not found.");
    }

    private IDbConnection CreateConnection() => new SqlConnection(_connectionString);

    public async Task<User> CreateAsync(User user)
    {
        using var connection = CreateConnection();
        var result = await connection.QuerySingleAsync<User>(
            "sp_User_Create",
            new
            {
                user.Username,
                user.PasswordHash,
                user.Email,
                user.NombreCompleto
            },
            commandType: CommandType.StoredProcedure);

        return result;
    }

    public async Task<User?> GetByIdAsync(int id)
    {
        using var connection = CreateConnection();
        return await connection.QuerySingleOrDefaultAsync<User>(
            "sp_User_GetById",
            new { Id = id },
            commandType: CommandType.StoredProcedure);
    }

    public async Task<IEnumerable<User>> GetAllAsync()
    {
        using var connection = CreateConnection();
        return await connection.QueryAsync<User>(
            "sp_User_GetAll",
            commandType: CommandType.StoredProcedure);
    }

    public async Task<User?> UpdateAsync(User user)
    {
        using var connection = CreateConnection();
        return await connection.QuerySingleOrDefaultAsync<User>(
            "sp_User_Update",
            new
            {
                user.Id,
                user.Username,
                user.Email,
                user.NombreCompleto
            },
            commandType: CommandType.StoredProcedure);
    }

    public async Task<bool> DeleteAsync(int id)
    {
        using var connection = CreateConnection();
        var affected = await connection.ExecuteAsync(
            "sp_User_Delete",
            new { Id = id },
            commandType: CommandType.StoredProcedure);
        return affected > 0;
    }

    public async Task<User?> GetByUsernameAsync(string username)
    {
        using var connection = CreateConnection();
        return await connection.QuerySingleOrDefaultAsync<User>(
            "sp_User_GetByUsername",
            new { Username = username },
            commandType: CommandType.StoredProcedure);
    }
}