const semver = require('semver')

const { IncorrectTypeError, IncorrectPropertyError, MismatchedVersionError } = require('./errors.js')

function readGear(collection, v) {
  if (v.type !== 'hord-gear') {
    throw new IncorrectTypeError('hord-gear', v.type)
  }
  if (!Array.isArray(v.gear)) {
    throw new IncorrectPropertyError('gear', typeof [], typeof v.gear)
  }
  if (!v.version || !semver.satisfies(v.version, '1.x')) {
    throw new MismatchedVersionError('1.x', v.version)
  }
  for (let g of v.gear) {
    collection.insert(g)
  }
}

module.exports = {
  readGear,
}