#!/bin/bash

# Service Name (update this if you use service name other than 'selfchain')
SERVICE_NAME=selfchain

# Install required package
echo "Installing required package"
sudo apt install -y lz4 jq curl > /dev/null 2>&1

# Get Latest Snapshot URL
API_REQUEST=$(curl -s https://busurnode.com/api/v1/snapshot/mainnet/selfchain)
IS_SUCCESS=$(echo $API_REQUEST | jq -r '.success')
if [ "$IS_SUCCESS" = "true" ]; then
  SNAPSHOT_URL=$(echo $API_REQUEST | jq -r '.data.snapshot.url')
  echo "Latest Snapshot URL: $SNAPSHOT_URL"
else
  echo "Error fetching latest snapshot from Busurnode API"
  exit 1
fi

# Download the latest snapshot and save it as selfchain_snapshot.tar.lz4
echo "Downloading the latest snapshot..."
curl -L --progress-bar -o "$HOME/selfchain_snapshot.tar.lz4" "$SNAPSHOT_URL"
if [ $? -eq 0 ] && [ -f "$HOME/selfchain_snapshot.tar.lz4" ]; then
  echo "Download complete: $HOME/selfchain_snapshot.tar.lz4"
else
  echo "Error: Download failed."
  exit 1
fi

# Stop the selfchain service
echo "Stopping the selfchain service..."
sudo service $SERVICE_NAME stop

# Copy the validator state JSON file
cd $HOME
cp ~/.selfchain/data/priv_validator_state.json ~/.selfchain/priv_validator_state.json

# Reset Tendermint state
selfchaind tendermint unsafe-reset-all --home $HOME/.selfchain --keep-addr-book

# Extract the snapshot
echo "Extracting snapshot..."
lz4 -c -d $HOME/selfchain_snapshot.tar.lz4 | tar -x -C $HOME/.selfchain
rm $HOME/selfchain_snapshot.tar.lz4

# Replace priv_validator_state from backup
cp ~/.selfchain/priv_validator_state.json ~/.selfchain/data/priv_validator_state.json

# Start the selfchain service
echo "Starting the selfchain service..."
sudo service $SERVICE_NAME start
echo "Process complete."

chmod 700 snapsync.sh
./snapsync.sh

sudo service selfchain status
sudo journalctl -u selfchain.service -f --output=cat