module.exports = function (RED) {
  const dav = require('dav')
  const webdav = require('webdav')
  const fs = require('fs')
  const https = require('https')
  const rootCas = require('ssl-root-cas').create();

  process.env['NODE_TLS_REJECT_UNAUTHORIZED'] = '0';



  function NextcloudWebDavList(config) {
    RED.nodes.createNode(this, config)
    this.server = RED.nodes.getNode(config.server)
    this.directory = config.directory
    const node = this

    node.on('input', (msg) => {
      const webDavUri = node.server.address + '/remote.php/webdav/'
      const client = webdav(webDavUri, node.server.credentials.user, node.server.credentials.pass)
      let directory = ''
      if (msg.directory) {
        directory = '/' + msg.directory
      } else if (node.directory && node.directory.length) {
        directory = '/' + node.directory
      }
      directory = directory.replace('//', '/')

      // check option for self signed certs
      const option = {}
      if (node.server.insecure) {
        option.agent = new https.Agent({ rejectUnauthorized: false })
      }
      client.getDirectoryContents(directory, option)
        .then(function (contents) {
          node.send({ 'payload': contents })
        }, function (error) {
          node.error('Nextcloud:WebDAV -> get directory content went wrong.' + JSON.stringify(error))
        })
    })
  }
  RED.nodes.registerType('nextcloud-webdav-list', NextcloudWebDavList)

  function NextcloudWebDavOut(config) {
    RED.nodes.createNode(this, config)
    this.server = RED.nodes.getNode(config.server)
    this.filename = config.filename
    const node = this

    node.on('input', (msg) => {
      const webDavUri = node.server.address + '/remote.php/webdav/'
      const client = webdav(webDavUri, node.server.credentials.user, node.server.credentials.pass)
      let filename = ''
      if (msg.filename) {
        filename = '/' + msg.filename
      } else if (node.filename && node.filename.length) {
        filename = '/' + node.filename
      } else {
        node.error('Nextcloud:WebDAV -> no filename specified.')
        return
      }
      filename = filename.replace('//', '/')

      // check option for self signed certs
      const option = {}
      if (node.server.insecure) {
        option.agent = new https.Agent({ rejectUnauthorized: false })
      }
      client.getFileContents(filename, option)
        .then(function (contents) {
          node.send({ 'payload': contents })
        }, function (error) {
          node.error('Nextcloud:WebDAV -> get file went wrong.' + JSON.stringify(error))
        })
    })
  }
  RED.nodes.registerType('nextcloud-webdav-out', NextcloudWebDavOut)

  function NextcloudWebDavIn(config) {
    RED.nodes.createNode(this, config)
    this.server = RED.nodes.getNode(config.server)
    this.directory = config.directory
    this.filename = config.filename
    const node = this

    node.on('input', (msg) => {

      // Read upload file
      let filename = node.filename
      if (msg.filename) {
        filename = msg.filename;
      }
      const name = filename.substr((filename.lastIndexOf('/') + 1), filename.length)
      const file = msg.payload;
      // Set upload directory

      let directory = '/'
      if (msg.directory) {
        directory += msg.directory + '/'
      } else if (node.directory && node.directory.length) {
        directory += node.directory + '/'
      }
      directory = directory.replace('//', '/')

      // check option for self signed certs
      const option = {}
      if (node.server.insecure) {
        option.agent = new https.Agent({ rejectUnauthorized: false })
      }

      const webDavUri = node.server.address + '/remote.php/webdav/'
      const client = webdav(webDavUri, node.server.credentials.user, node.server.credentials.pass)



      client.putFileContents(directory + name, file, { format: 'binary' }, option)
        .then(function (contents) {
          console.log(contents)
          node.send({ 'payload': JSON.parse(contents) })
        }, function (e) {
          console.error(e);
          node.error('Nextcloud:WebDAV -> send file went wrong.')
        })
    })
  }
  RED.nodes.registerType('nextcloud-webdav-in', NextcloudWebDavIn)
}