const Block  = require('../../models/block.js');
const logger = require('../logger');

module.exports = function BlockAPI(app) {
  app.get('/block/:blockHash', (req, res) => {
    getBlock(res,
    { hash: req.params.blockHash },
    { rawBlock: 0 });
  });

  app.get('/blocks', (req, res) => {
    res.send({
      blocks: [],
      length: 0,
      pagination: {
      },
    });
  });

  app.get('/rawblock/:blockHash', (req, res) => {
    res.send(req.params.blockHash);
  });

  app.get('/block-index/:height', (req, res) => {
    getBlock(res, { height: req.params.height });
  });
};


function getBlock(res, params, options) {
  const defaultOptions = { _id: 0 };

  Object.assign(defaultOptions, options);

  Block.find(params,
    defaultOptions,
    (err, block) => {
      if (err) {
        res.status(501).send();
        logger.log('err', err);
      }
      res.json(block[0]);
    });
}