import MinigamesService from '../services/minigamesService.js';

function extractHashedUserId(req) {
  return req.headers?.userid;
}

class MinigamesController {
  constructor() {
    this.service = MinigamesService;

    this.listCampaigns = this._wrap((userId, req) => this.service.listCampaigns());
    this.getCampaign = this._wrap((userId, req) => this.service.getCampaign(req.params.code));
    this.getProgress = this._wrap((userId, req) => this.service.getProgress(userId, req.params.code));
    this.saveProgress = this._wrap((userId, req) => this.service.saveProgress(userId, req.params.code, req.body));
  }

  _wrap(fn, { successStatus = 200 } = {}) {
    return async (req, res) => {
      try {
        const userId = extractHashedUserId(req);
        if (!userId) return res.status(400).json({ error: 'Missing user identifier' });
        const result = await fn(userId, req, res);
        res.status(successStatus).json(result);
      } catch (error) {
        console.error('Minigames controller error:', error);
        res.status(500).json({ error: error.message || 'Internal error' });
      }
    };
  }
}

export default new MinigamesController();