#!/bin/bash
echo ""

# load network
network=`cat .network`

# get chain
chain="test"
isMainChain=$(sudo cat /mnt/hdd/${network}/${network}.conf 2>/dev/null | grep "#testnet=1" -c)
if [ ${isMainChain} -gt 0 ];then
  chain="main"
fi

# verify that bitcoin is running
echo "*** Checking ${network} ***"
bitcoinRunning=$(systemctl status ${network}d.service 2>/dev/null | grep -c running)
if [ ${bitcoinRunning} -eq 0 ]; then
  #doublecheck
  bitcoinRunning=$(${network}-cli getblockchaininfo  | grep -c verificationprogress)
fi
if [ ${bitcoinRunning} -eq 0 ]; then
  # HDD is not available yet
  echo "FAIL - ${network}d is not running"
  echo "recheck with orignal tutorial -->"
  echo "https://github.com/Stadicus/guides/blob/master/raspibolt/raspibolt_30_bitcoin.md"
fi
echo "OK - ${network}d is running"
echo ""

# verify that chainnetwork is ready
chainIsReady=0
while [ ${chainIsReady} -eq 0 ]
  do
    echo "*** Test if chainnetwork is ready ..."
    date +%s
    result=$(${network}-cli getblockchaininfo 2>error.out)
    error=`cat error.out`
    rm error.out
    echo "result(${result})"
    echo "error(${error})"
    if [ ${#error} -gt 0 ]; then
      testnetAdd=""
      if [ "${chain}"  = "test" ]; then
       testnetAdd="testnet3/"
      fi
      sudo tail -n 5 /mnt/hdd/${network}/${testnetAdd}debug.log
      echo "If you see an error -28 relax, just give it some time."
      echo "Waiting 1 minute and then trying again ..."
      sleep 60
      echo ""
    else
      echo "OK - chainnetwork is working"
      echo ""
      chainIsReady=1
      break
    fi
  done

###### LND Config
echo "*** LND Config ***"
configExists=$( sudo ls /mnt/hdd/lnd/ | grep -c lnd.conf )
if [ ${configExists} -eq 0 ]; then
  sudo cp /home/admin/assets/lnd.${network}.conf /mnt/hdd/lnd/lnd.conf
  sudo chown bitcoin:bitcoin /mnt/hdd/lnd/lnd.conf
  if [ -d /home/bitcoin/.lnd ]; then
    echo "OK - LND config written"
  else
    echo "FAIL - Was not able to setup LND"
    exit 1
  fi
else
  echo "OK - exists"
fi
echo ""

###### Start LND
echo "*** Starting LND ***"
lndRunning=$(systemctl status lnd.service 2>/dev/null | grep -c running)
if [ ${lndRunning} -eq 0 ]; then
  sed -i "5s/.*/Wants=${network}d.service/" ./assets/lnd.service
  sed -i "6s/.*/After=${network}d.service/" ./assets/lnd.service
  sudo cp /home/admin/assets/lnd.service /etc/systemd/system/lnd.service
  sudo chmod +x /etc/systemd/system/lnd.service
  sudo systemctl enable lnd
  sudo systemctl start lnd
  echo "Starting LND ... give 120 seconds to init."
  sleep 120
fi

###### Check LND is running
lndRunning=0
while [ ${lndRunning} -eq 0 ]
do
  lndRunning=$(systemctl status lnd.service | grep -c running)
  if [ ${lndRunning} -eq 0 ]; then
    date +%s
    echo "LND not ready yet ... waiting another 60 seconds."
    echo "If this takes too long (more then 10min total) --> CTRL+c and report Problem"
    sleep 60
  fi
done
echo "OK - LND is running"
echo ""

###### Instructions on Creating LND Wallet
walletExists=$(sudo ls /mnt/hdd/lnd/data/chain/${network}/${chain}net/wallet.db 2>/dev/null | grep wallet.db -c)
echo "walletExists(${walletExists})"
sleep 2
if [ ${walletExists} -eq 0 ]; then

  # setup state signals, that no wallet has been created yet
  dialog --backtitle "RaspiBlitz - LND Lightning Wallet (${network}/${chain})" --msgbox "
${network} and Lighthing Services are installed.
You now need to setup your Lightning Wallet:

We will now call the command: lncli create
lncli = Lightning Network Command Line Interface
Learn more: https://api.lightning.community
Press OK and follow the 'Helping Instructions'.
" 14 52
  clear
  echo "****************************************************************************"
  echo "Helping Instructions --> for creating a new LND Wallet"
  echo "****************************************************************************"
  echo "A) For 'Wallet Password' use your PASSWORD C --> !! minimum 8 characters !!"
  echo "B) Answere 'n' because you dont have a 'cipher seed mnemonic' (24 words) yet" 
  echo "C) For 'passphrase' to encrypt your 'cipher seed' use PASSWORD D (optional)"
  echo "****************************************************************************"
  echo ""
  echo "lncli --chain=${network} create"
  
  # execute command and monitor error
  _error="./.error.out"
  sudo -u bitcoin /usr/local/bin/lncli --chain=${network} create 2>$_error
  error=`cat ${_error}`

  if [ ${#error} -gt 0 ]; then
    echo ""
    echo "!!! FAIL !!! SOMETHING WENT WRONG:"
    echo "${error}"
    echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
    echo ""
    echo "Press ENTER to retry ... or CTRL-c to EXIT"
    read key
    echo "Starting RETRY ..."
    ./70initLND.sh
    exit 1
  fi

  echo ""
  echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
  echo "!!! Make sure to write down the 24 words (cipher seed mnemonic) !!!"
  echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
  echo "If you are ready. Press ENTER."
  read key

  echo "65" > /home/admin/.setup
fi

echo "--> lets wait 60 seconds for LND to get ready"
sleep 60

###### Copy LND macaroons to admin
echo ""
echo "*** Copy LND Macaroons to user admin ***"
macaroonExists=$(sudo -u bitcoin ls -la /home/bitcoin/.lnd/data/chain/${network}/${chain}net/admin.macaroon | grep -c admin.macaroon)
if [ ${macaroonExists} -eq 0 ]; then
  ./AAunlockLND.sh
  sleep 3
fi
macaroonExists=$(sudo -u bitcoin ls -la /home/bitcoin/.lnd/data/chain/${network}/${chain}net/admin.macaroon | grep -c admin.macaroon)
if [ ${macaroonExists} -eq 0 ]; then
  sudo -u bitcoin ls -la /home/bitcoin/.lnd/data/chain/${network}/${chain}net/admin.macaroon
  echo ""
  echo "FAIL - LND Macaroons not created"
  echo "Please check the following LND issue:"
  echo "https://github.com/lightningnetwork/lnd/issues/890"
  echo "You may want try again with starting ./70initLND.sh"
  exit 1
fi
macaroonExists=$(sudo ls -la /home/admin/.lnd/data/chain/${network}/${chain}net/ | grep -c admin.macaroon)
if [ ${macaroonExists} -eq 0 ]; then
  sudo mkdir /home/admin/.lnd
  sudo mkdir /home/admin/.lnd/data
  sudo mkdir /home/admin/.lnd/data/chain
  sudo mkdir /home/admin/.lnd/data/chain/${network}
  sudo mkdir /home/admin/.lnd/data/chain/${network}/${chain}net
  sudo cp /home/bitcoin/.lnd/tls.cert /home/admin/.lnd
  sudo cp /home/bitcoin/.lnd/lnd.conf /home/admin/.lnd
  sudo cp /home/bitcoin/.lnd/data/chain/${network}/${chain}net/admin.macaroon /home/admin/.lnd/data/chain/${network}/${chain}net
  sudo chown -R admin:admin /home/admin/.lnd/
  echo "OK - LND Macaroons created"
  echo ""
else
  echo "OK - Macaroons are already copied"
  echo ""
fi

###### Unlock Wallet (if needed)
echo "*** Check Wallet Lock ***"
locked=$(sudo tail -n 1 /mnt/hdd/lnd/logs/${network}/${chain}net/lnd.log | grep -c unlock)
if [ ${locked} -gt 0 ]; then
  echo "OK - Wallet is locked ... starting unlocking dialog"
  ./AAunlockLND.sh
else
  echo "OK - Wallet is already unlocked"
fi

### Show Lighthning Sync
echo ""
echo "*** Check LND Sync ***"
item=0
lndSyncing=$(sudo -u bitcoin /usr/local/bin/lncli --chain=${network} getinfo 2>/dev/null | jq -r '.synced_to_chain' | grep -c true)
if [ ${lndSyncing} -eq 0 ]; then
  echo "OK - wait for LND to be synced"
  while :
    do
      
      # show sync status
      ./80scanLND.sh
      sleep 15
      
      # break loop when synced
      lndSyncing=$(sudo -u bitcoin /usr/local/bin/lncli --chain=${network} getinfo 2>/dev/null | jq -r '.synced_to_chain' | grep -c true)
      if [ ${lndSyncing} -eq 1 ]; then
        break
      fi

      # break loop when wallet is locked
      locked=$(sudo tail -n 1 /mnt/hdd/lnd/logs/${network}/${chain}net/lnd.log | grep -c unlock)
      if [ ${locked} -eq 1 ]; then
        break
      fi

      sleep 15

    done
  clear
else
  echo "OK - LND is in sync"
fi

# set SetupState (scan is done - so its 80%)
echo "80" > /home/admin/.setup

###### finishSetup
./90finishSetup.sh