const fs = require("fs-extra");
const path = require("path");
const dnsSync = require("dns-sync");
const mustache = require("mustache");
const readlineSync = require("readline-sync");

/**
 * This Setup is run at the first installation
 * This is not an exportable module
 *
 *
 *
 */

const Setup = {};
//const nationsync = require('./Nations').updateChains();

Setup.check = () => {
  if ("testinternet" != "testinternet") {
    console.log(
      "\x1b[31m Check your internet access, to setup this town we need to update the Nations. It seems we cannot do it"
    );
    process.exit();
  }
  if (!fs.existsSync("/etc/nginx/nginx.conf")) {
    console.log(
      "\x1b[31m Check documentation, nginx have to be installed on this server first, no /etc/nginx/nginx.conf available"
    );
    process.exit();
  }
  if (fs.existsSync("./nationchains/tribes/conf.json")) {
    console.log(
      "\x1b[31m Be carefull you already have a town set in ./nationchains/tribes/index.conf.json, check and remove it if you want to setup this town."
    );
    process.exit();
  }
  return true;
};

Setup.init = async () => {
  // Get standard conf and current data
  const townconf = fs.readJsonSync("./nationchains/www/adminapx/townconf.json");
  const apxnations = fs.readJsonSync(
    `./nationchains/nations/idx/nationId_all.json`
  );
  const apxtowns = fs.readJsonSync(`./nationchains/towns/idx/townId_all.json`);
  
  let apxpagans={}
  if (fs.existsSync(`./nationchains/pagans/idx/alias_all.json`)){
     apxpagans = fs.readJsonSync(
    `./nationchains/pagans/idx/alias_all.json`
  );
     }

  if (!Object.keys(apxnations).includes(townconf.nationId)) {
    console.log(
      `Sorry nationId ${townconf.nationId} does not exist, please change with an existing nation `
    );
    process.exit();
  }
  if (Object.keys(apxtowns).includes(townconf.townId)) {
    console.log(
      `Sorry townId ${townconf.townId} already exist, please change it`
    );
    process.exit();
  }
  /*
  if (Object.keys(apxpagans).includes(townconf.mayorId)) {
    console.log(
      `Sorry paganId ${townconf.maorId} already exist ti create a town you need a new identity, please change it`
    );
    process.exit();
  }
*/
  townconf.sudoerUser = process.env.USER;
  townconf.dirname = path.resolve(`${__dirname}/../../`);
  // To allow to serve the nation website until the end
  townconf.nginx.include.push(
    `${townconf.dirname}/nationchains/www/nginx_*.conf`
  );
  // To allow to serve tribes web site
  townconf.nginx.include.push(
    `${townconf.dirname}/nationchains/tribes/*/www/nginx_*.conf`
  );
  townconf.nginx.logs = `${townconf.dirname}/nationchains/logs/nginx`;
  townconf.nginx.website = "adminapx";
  townconf.nginx.fswww = "nationchains/"; //for a local tribe nationchains/tribes/tribeid
  townconf.nginx.tribeid = "town";
  townconf.nginx.pageindex = "index_en.html";

  console.log(townconf);
  if (
    !readlineSync.keyInYN(
      `\x1b[42mThis is the first install from ./nationchains/www/adminapx/townconf.json (check it if you want) \nthis will change your nginx config in /etc/nginx and run nginx from sudoer user ${townconf.sudoerUser}  (Yes/no)? \nno if you want to change parameter and run yarn setup again      \x1b[0m`
    )
  )
    process.exit();
  
  // saved and change nginx conf
  if (!fs.existsSync("/etc/nginx/nginxconf.saved")) {
    fs.moveSync("/etc/nginx/nginx.conf", "/etc/nginx/nginxconf.saved");
    console.log(
      "your previous /etc/nginx/nginx.conf was backup in  /etc/nginx/nginxconf.saved"
    );
  }
  const tplnginxconf = fs.readFileSync(
    "./nationchains/www/adminapx/nginx/nginx.conf.mustache",
    "utf8"
  );
  fs.outputFileSync(
    "/etc/nginx/nginx.conf",
    mustache.render(tplnginxconf, townconf),
    "utf8"
  );
  const tplnginxwww = fs.readFileSync(
    "./nationchains/www/adminapx/nginx/modelwebsite.conf.mustache",
    "utf8"
  );
  fs.outputFileSync(
    `./${townconf.nginx.fswww}www/nginx_${townconf.nginx.website}.conf`,
    mustache.render(tplnginxwww, townconf),
    "utf8"
  );
  fs.outputJsonSync("./nationchains/tribes/conf.json", townconf, {
    spaces: 2,
  });
  //CREATE A TOWN setup local voir utiliser towns.create
  townconf.town = {
    townId: townconf.townId,
    nationId: townconf.nationId,
    url: `http://${townconf.dns[0]}`,
    IP: townconf.IP,
    mayorid: townconf.mayorId,
    status: "unchain",
  };
  apxtowns[townconf.townId]=townconf.town;
  fs.outputJsonSync(`./nationchains/towns/idx/townId_all.json`,apxtowns);
  fs.outputJsonSync(`./nationchains/towns/itm/${townconf.townId}.json`,townconf.town,{spaces:2});
  // Create tribe id voir a utiliser tribes.create()
  townconf.tribe = {
    tribeId: townconf.tribeId,
    dns: [],
    status: "unchain",
    nationId: townconf.nationId,
    townId: townconf.townId,
  };
  //tribe does not exist in a new town
  apxtribes={}
  apxtribes[townconf.tribeId]=townconf.tribe;
  fs.outputJsonSync(`./nationchains/tribes/idx/tribeId_all.json`,apxtribes);
  fs.outputJsonSync(`./nationchains/tribes/itm/${townconf.tribeId}.json`,townconf.tribe,{spaces:2});
  fs.ensureDirSync(`./nationchains/tribes/${townconf.tribeId}/logs/nginx`);

  //CREATE a mayorId pagans if it does not exist
  if (!apxpagans[townconf.mayorId]){
    const Pagans=require('./Pagans');
    const createPagans=await Pagans.createId(townconf.mayorId,townconf.passphrase);
    if (createPagans.status==200){
      fs.outputFileSync(`./${townconf.mayorId}_PrivateKey.txt`,createPagans.data.privateKey,"utf8");
      fs.outputFileSync(`./${townconf.mayorId}_PublicKey.txt`,createPagans.data.publicKey,"utf8");
      console.log(`\x1b[43mCut paste your keys /${townconf.mayorId}_PrivateKey.txt /${townconf.mayorId}_PublicKey.txt \x1b[0m`)
    }else{
      console.log('Error at Pagan creation ');
      console.log(createPagans);
      process.exit();
    }
  }
     //restart nginx
  const { exec } = require("child_process");
  exec(townconf.nginx.restart, (error, stdout, stderr) => {
    if (error) {
      console.log("\x1b[42m", error, stdout, stderr, "x1b[0m");
    } else {
      console.log(
        `\x1b[42m###########################################################################################\x1b[0m\n\x1b[42mWellcome into apxtrib, you can now 'yarn dev' for dev or 'yarn startpm2' for prod or       \n'yarn unittest' for testing purpose. Access to your town here \x1b[0m\x1b[32mhttp://${townconf.dns}\x1b[0m \x1b[42m             \nto finish your town set up. Check README's project to learn more.                          \x1b[0m\n\x1b[42m###########################################################################################\x1b[0m`
      );
    }
  });
};

Setup.Checkjson = (conf) => {
  var rep = "";
  const nation_town = fs.readJsonSync(
    "./nationchains/socialworld/objects/towns/searchindex/towns_nation_uuid.json"
  );
  if (!ObjectKeys(nation_town).includes(conf.nationId)) {
    rep += `your nationId ${conf.nationId} does not exist you have to choose an existing one`;
  }
  if (nation_town[conf.nationId].includes(conf.townId)) {
    rep += `This conf.townId already exist you have to find a unique town name per nation`;
  }
  const getnation = Odmdb.get(
    "./nationchains/socialworld/objects",
    "towns",
    [conf.NationId],
    [nationId]
  );
  //if getnation.data.notfound
  conf.language.forEach((l) => {
    if (!["fr", "en", "it", "de", "sp"].includes(l)) {
      rep += l + " Only fr,en,it,de,sp are available \n";
    }
  });
  if (!fs.existsSync(`/home/${conf.sudoerUser}`)) {
    rep += `/home/${conf.sudoerUser} does not exist, user has to be create with a /home on this server\n`;
  }
  try {
    if (
      "true" ==
      execSync('timeout 2 sudo id && sudo="true" || sudo="false";echo "$sudo"')
        .toString()
        .trim()
        .split(/\r?\n/)
        .slice(-1)
    ) {
      rep += `${sudoerUser} is not sudoer please change this `;
    }
  } catch (err) {
    console.log(err);
    rep += " Check your user it seems to not be a sudoer";
  }
  if (conf.jwtsecret.length < 32) {
    rep += "Your jwtsecretkey must have at least 32 characters";
  }
  if (
    conf.dns != "unchain" &&
    !dnsSync.resolve(`${conf.townId}.${conf.nationId}.${conf.dns}`)
  ) {
    rep += `\nresolving $${conf.townId}.${conf.nationId}.${conf.dns} will not responding valid IP, please setup domain redirection IP before runing this script`;
  }
  return rep;
};

Setup.config = (townSetup) => {
  // Init this instance with a .config.js
  Setup.configjs(townSetup);
  // Create tribeid space + a user admin + webspace withe apxtrib webapp install
  Setup.druidid(townSetup);
};
Setup.configjs = (townSetup) => {
  // Set /config.js
  let confapxtrib = fs.readFileSync("./setup/config.mustache", "utf-8");
  fs.writeFileSync(
    "./config.js",
    Mustache.render(confapxtrib, townSetup),
    "utf-8"
  );
  if (fs.existsSync("./config.js")) {
    console.log("config.js successfully created.");
  } else {
    console.log(
      "config.js not created, check what's wrong in tpl:",
      confapxtrib
    );
    console.log("for data :", townSetup);
    process.exit();
  }
};
Setup.druidid = (townSetup) => {
  // create a tribeid with a user that will admin this instance into /tribes/tribeid /users
  const config = require("../config.js");
  // Need to do it on setup this is also done again in models/Tribes.js
  console.log(`${config.tribes}/${townSetup.druidid}`);
  fs.ensureDirSync(`${config.tribes}/${townSetup.druidid}`);
  ["users", "www", "referentials", "nationchains"].forEach((r) => {
    fs.copySync(
      `${__base}/setup/tribes/apxtrib/${r}`,
      `${config.tribes}/${townSetup.druidid}/${r}`
    );
  });
  /*	const confcli = JSON.parse( Mustache.render( fs.readFileSync( `${__base}/setup/tribes/apxtrib/clientconf.mustache`, 'utf8' ), townSetup ) );
		fs.outputJsonSync( `${config.tribes}/${townSetup.druidid}/clientconf.json`, confcli );
		// Create a new tribeid + admin user for this tribeid
		// with access to {druidid}:webapp as admin
	*/
  const Tribes = require("./Tribes.js");
  const access = { app: {}, data: {} };
  access.app[`${townSetup.druidid}:webapp`] = "admin";
  access.data[townSetup.druidid] = {
    users: "CRUDO",
    referentials: "CRUDO",
    www: "CRUDO",
  };
  const createclient = Tribes.create({
    tribeid: townSetup.druidid,
    genericpsw: townSetup.genericpsw,
    lanquageReferential: townSetup.language,
    useradmin: {
      LOGIN: townSetup.login,
      xlang: townSetup.language[0],
      ACCESSRIGHTS: access,
    },
  });
  if (createclient.status == 200) {
    console.log(
      `Your tribeid domain was created with login : ${townSetup.login} and password: ${townSetup.genericpsw}, change it after the 1st login on https://${townSetup.subdomain}.${townSetup.domain}`
    );
    // Create nginx conf for a first install
    const confnginx = fs.readFileSync(
      "./setup/nginx/nginx.conf.mustache",
      "utf8"
    );
    fs.outputFileSync(
      "/etc/nginx/nginx.conf",
      Mustache.render(confnginx, townSetup),
      "utf-8"
    );
    // Create a spacedev for webapp of apxtrib
    // that will be accesible in prod from https://subdomain.domain/ and in dev http://webapp.local.fr
    const addspaceweb = Tribes.addspaceweb({
      setup: true,
      dnsname: [`${townSetup.subdomain}.${townSetup.domain}`],
      mode: townSetup.mode,
      tribeid: townSetup.druidid,
      website: "webapp",
      pageindex: "app_index_fr.html",
    });
    if (addspaceweb.status == 200) {
      console.log(`WELL DONE run yarn dev to test then yarn startpm2 `);
    }
  } else {
    console.log("Issue ", createclient);
  }
};

if (Setup.check()) Setup.init();