// needed for instantiation of ipfs
 const initIPFS = async (IPFS, ORBITDB) => {

  // Create IPFS instance
 // const ipfsOptions = { repo: '/orbitdb/examples/browser/new/ipfs/0.33.1', }
  //const ipfs = await Ipfs.create(ipfsOptions)

  // Create OrbitDB instance
  //const orbitdb = await OrbitDB.createInstance(ipfs)

}
initIPFS()

        
        async function createDb(db_name){
  // Create database instance

  const ipfsOptions = { repo: '/orbitdb/examples/browser/new/ipfs/0.33.1', }
  const ipfs = await Ipfs.create(ipfsOptions)
  const orbitdb = await OrbitDB.createInstance(ipfs)
  // Create IPFS instance
  const db = await orbitdb.keyvalue(db_name)
                 const address = db.address
                 console.log(address)
                 console.log(db.address.toString())
                 await db.put('2022-07-01T10:49:07', '49.41185089/8.67646861')
                 await db.put('2022-07-01T10:49:12', '49.41166303/8.67652893')
                 let csv = "./new.csv"
                 const value = db.all
               //console.log(value)
               console.log('datenbank erstellt danke')
               //console.log(value)
               await db.close()
               return db
                }

async function loadRoute(db_name){
  const ipfsOptions = { repo: '/orbitdb/los', }
  const ipfs = await Ipfs.create(ipfsOptions)
  const orbitdb = await OrbitDB.createInstance(ipfs) 

  const db = await orbitdb.keyvalue(db_name)
  await db.load()
  console.log("loadroute ausgeführt")
  const value = db.all 
  console.log(value)
  return value;
}
async function connectDB(dbname){
 const ipfsOptions = { repo: '/orbitdb/los', }
  const ipfs = await Ipfs.create(ipfsOptions)
  const orbitdb = await OrbitDB.createInstance(ipfs)
  const db_route2 = await orbitdb.open('/orbitdb/zdpuAoog9p95yvwyGcL3xJsGcdMkxVdEDRwYwba1JrKNEgQod/'+dbname);
    const route2 = db_route2.all
    console.log(route2);
}
async function getActualCoordinates(){


}
async function getAllCoordinates(dbname){

      // creater db with name db2
var db2 = await createDb(dbname)
const all_coordinates = db2.all
// coordinates in this schema 49.123/8.2311
var coordinates = Object.values(all_coordinates)
// parse to string for split and then split by / 
var coordinate_string = coordinates.toString()
var between_string = coordinate_string.split("/")
var final_string = between_string.toString()
//comma string looks now like this : 49.1212,8.1231,49.1231, ...
var comma_string = final_string.split(',')
// create new Array and put string back in to array for using paths/polylines with leafleat
var newArray =[];
// use for loop for iterating over string and put it in the right order
for (var i = 0; i < comma_string.length; i++) {

   var increment = i+1;
   newArray.push([comma_string[i], comma_string[increment]])
   increment = increment+1
   i = i+1

}
console.log(newArray);
return newArray;
}