const graph = {
  nodes: [{
    id: 0,
    labels: ['Person'],
    properties: {}
  }, {
    id: 1,
    labels: ['City'],
    properties: {
      name: 'Vienna'
    }
  }],
  relationships: [{
    from: 0,
    to: 1,
    type: 'lives in'
  }]
}

const nodesMatch = []
const relationsMatch = []

function propsStringify(props) {
  if (typeof props === 'undefined') return ''
  let cProps = []
  Object.keys(props).forEach(function(propName) {
    cProps.push(
      '`' + propName + '`:' + JSON.stringify(props[propName])
    )
  })
  if (cProps.length === 0) return ''
  return ' {' + cProps.join(', ') + '}'
}

graph.nodes.forEach(function(n) {
  const nodeVar = 'N' + n.id
  const nodeLabels = '`' + n.labels.join(':') + '`'
  const nodeProps = propsStringify(n.properties)
  nodesMatch.push(
    'MATCH (' + nodeVar + ':' + nodeLabels + nodeProps + ')'
  )
})

graph.relationships.forEach(function(r, i) {
  const relVar = 'R' + i
  const rel = '-[' + relVar + ':`' + r.type + '`' + propsStringify(r.properties) + ']->'
  const from = '(N' + r.from + ')'
  const to = '(N' + r.to + ')'
  relationsMatch.push(
    'MATCH ' + from + rel + to
  )
})

const cypherQuery = [
  nodesMatch.join('\r\n'),
  relationsMatch.join('\r\n'),
  'RETURN *'
].join('\r\n')

console.log(cypherQuery)