const bcrypt = require("bcrypt");
const fs = require("fs-extra");
const glob = require("glob");
const jwt = require("jwt-simple");
const axios = require("axios");
const config = require("../tribes/townconf.js");
const Odmdb = require('../models/Odmdb.js');

/*
Blockchain manager
* Manage network directory of nations and towns
* read Blockchain and search,
* submit a transaction (now) or contract (futur) to store from userA.pubkey to userB.pubkey a number of AXESS
* mine to be able to register a block and create AXESS
* manage APIXP rules 20 M APIXP 1AXESS = 1 block validation
* manage contract = action if something appened validate by a proof of work
*/
const Nationchains = {};
Nationchains.init = () => {
  console.group("init Nationchains");
};
Nationchains.synchronize = () => {
  /*
	    Run process to communicate with a list of apxtrib instance to update transaction and earn AXP
			To creation of a new tribeid or a new login
		*/
  //update himself then send to other information
  if (process.env.NODE_ENV != "prod") {
    // Not concerned
    return {};
  }
  const initcurrentinstance = {
    fixedIP: "",
    lastblocknumber: 0,
    firsttimeupdate: 0,
    lastimeupdate: 0,
    positifupdate: 0,
    negatifupdate: 0,
    pubkeyadmin: "",
    tribeids: [],
    logins: [],
    knowninstance: [],
  };
  let currentinstance = initcurrentinstance;
  try {
    currentinstance = fs.readFileSync(
      `${config.tribes}/${config.mayorId}/nationchains/nodes/${config.rootURL}`,
      "utf-8"
    );
  } catch (err) {
    console.log("first init");
  }
  const loginsglob = fs.readJsonSync(`${config.tmp}/loginsglob.json`, "utf-8");
  currentinstance.logins = Object.keys(loginsglob);
  currentinstance.tribeids = [...new Set(Object.values(loginsglob))];
  currentinstance.instanceknown = glob.Sync(
    `${config.tribes}/${config.mayorId}/nationchains/nodes/*`
  );
  //Save it
  fs.outputJsonSync(
    `${config.tribes}/${config.mayorId}/nationchains/nodes/${config.rootURL}`,
    currentinstance
  );
  // proof of work
  // try to find a key based on last block with difficulty
  // if find then send to all for update and try to get token
  // in any case rerun Nationchains.synchronize()
  currentinstance.instanceknown.forEach((u) => {
    if (u != config.rootURL) {
      //send currentinstance info and get back state of
      axios
        .post(`https://${u}/nationchains/push`, currentinstance)
        .then((rep) => {
          newdata = rep.payload.moreinfo;
          //Available update info
          fs.readJson(
            `${config.tribes}/${config.mayorId}/nationchains/nodes/${u}`,
            (err, data) => {
              if (err) {
                data.negatifupdate += 1;
                data.lasttimeupdate = Date.now();
              } else {
                data.positifupdate += 1;
                data.lastimeupdate = Date.now();
                data.tribeids = newdata.tribeids;
                data.logins = newdata.logins;
                data.lastblocknumber = newdata.lastblocknumber;
                newdata.knowninstance.forEach((k) => {
                  if (!data.knowninstance.includes(k)) {
                    data.knowninstance.push(k);
                    //init the domain for next update
                    initcurrentinstance.firsttimeupdate = Date.now();
                    fs.outputJson(
                      `${config.tribes}/${config.mayorId}/nationchains/nodes/${k}`,
                      initcurrentinstance,
                      "utf-8"
                    );
                  }
                });
              }
              //save with info
              fs.outputJson(
                `${config.tribes}/${config.mayorId}/nationchains/nodes/${u}`,
                data
              );
            }
          );
        })
        .catch((err) => {
          //Not available
          data.negatifupdate += 1;
          data.lasttimeupdate = Date.now();
          fs.outputJson(
            `${config.tribes}/${config.mayorId}/nationchains/nodes/${u}`,
            data
          );
        });
    }
  });
};

Nationchains.create = (conf) => {
  /*
	@conf from a nationchains/socialworld/setup/townSetup {object, nationName, townName, dns}
    @return 
	*/
  const res = {};
  if (conf.object=="town"){
    Odmdb.create("nationchains/socialworld/objects","town",conf);
  }
  const nation_town = fs.readJsonSync(
    "./nationchains/socialworld/objects/towns/searchindex/towns_nationId_townId.json"
  );
  if (!ObjectKeys(nation_town).includes(conf.nationName)) {
    res.status = 404;
    res.info = `your nationName ${conf.nationName} does not exist you have to choose an existing one`;
    return res;
  }
  if (nation_town[conf.nationName].includes(conf.townName)) {
    res.status = 409;
    res.info = `This conf.townName already exist you have to find a unique town name per nation`;
    return res;
  }
  const towndata = {
    uuid: conf.townName,
    nationid: conf.nationName,
    url: `${conf.townName}.${conf.nationName}.${conf.dns}`,
    status: (conf.dns=="unchain")? "unchain" : "tochain",
  };
  const metatown=fs.readJsonSync('./nationchains/socialworld/metaobject/towns.json');
  Odmdb.add(objectpath, towns, metatown,towndata) 
  
  fs.outputJsonSync(
    `./nationchains/socialworld/objects/towns/${townName}.json`,
    towndata
  );
  res.status=200
  res.info=`${townName} create for ${nationName} nation`;
  return res
};

module.exports = Nationchains;