import { UserRepository } from '../../Infrastructure/userRepository.js';
import { GetAllUsersQuery } from '../../Application/users/query/getAllUsersQuery.js';
import { GetAllUsersQueryHandler } from '../../Application/users/query/getAllUsersQueryHandler.js';
import { GetUserByIdQuery } from '../../Application/users/query/getUserByIdQuery.js';
import { GetUserByIdQueryHandler } from '../../Application/users/query/getUserByIdQueryHandler.js';
import { CreateUserCommand } from '../../Application/users/command/createUserCommand.js';
import { CreateUserCommandHandler } from '../../Application/users/command/createUserCommandHandler.js';
import { UpdateUserCommand } from '../../Application/users/command/updateUserCommand.js';
import { UpdateUserCommandHandler } from '../../Application/users/command/updateUserCommandHandler.js';
import { DeleteUserCommand } from '../../Application/users/command/deleteUserCommand.js';
import { DeleteUserCommandHandler } from '../../Application/users/command/deleteUserCommandHandler.js';

const userRepository = new UserRepository();
const getAllUsersQueryHandler = new GetAllUsersQueryHandler(userRepository);
const getUserByIdQueryHandler = new GetUserByIdQueryHandler(userRepository);
const createUserCommandHandler = new CreateUserCommandHandler(userRepository);
const updateUserCommandHandler = new UpdateUserCommandHandler(userRepository);
const deleteUserCommandHandler = new DeleteUserCommandHandler(userRepository);

export class UserController {
  async getAll(req, res) {
    try {
      const query = new GetAllUsersQuery();
      const users = await getAllUsersQueryHandler.handle(query);
      res.json(users);
    } catch (error) {
      res.status(500).json({ error: error.message });
    }
  }

  async getById(req, res) {
    try {
      const query = new GetUserByIdQuery(req.params.id);
      const user = await getUserByIdQueryHandler.handle(query);
      res.json(user);
    } catch (error) {
      res.status(404).json({ error: error.message });
    }
  }

  async create(req, res) {
    try {
      const command = new CreateUserCommand(
        req.body.name,
        req.body.email,
        req.body.age
      );
      const user = await createUserCommandHandler.handle(command);
      res.status(201).json(user);
    } catch (error) {
      res.status(400).json({ error: error.message });
    }
  }

  async update(req, res) {
    try {
      const command = new UpdateUserCommand(
        req.params.id,
        req.body.name,
        req.body.email,
        req.body.age
      );
      const user = await updateUserCommandHandler.handle(command);
      res.json(user);
    } catch (error) {
      res.status(404).json({ error: error.message });
    }
  }

  async delete(req, res) {
    try {
      const command = new DeleteUserCommand(req.params.id);
      await deleteUserCommandHandler.handle(command);
      res.status(204).send();
    } catch (error) {
      res.status(404).json({ error: error.message });
    }
  }
}