'use strict';

var debug = require('../debug');

/**
 * Load views onto the given collections.
 *
 * ```json
 * {"verb": {"plugins": {"eslint": {"name": "gulp-eslint"}}}}
 * ```
 * @name plugins
 * @api public
 */

module.exports = function(app) {
  return function(collections, key, config, next) {
    debug.field(key, collections);

    if (key === 'templates') {
      collections = config.views = config.templates;
      delete config.templates;
    }

    if (typeof app.create !== 'function') {
      next(new Error('expected app.create to be a function'));
      return;
    }

    for (var prop in collections) {
      if (typeof this[prop] !== 'function') {
        app.create(prop);
      }

      debug('loading collection "%s"', prop);
      this[prop](collections[prop]);
    }
    next();
  };
};