#!/bin/bash

set -eo pipefail


# shellcheck disable=SC1091
source ./scripts/export-git-env-vars.sh

PWD=$(pwd)

if [ -z "${CONFIG_JSON_GZ_URL+x}" ] || [ -z "${NETWORK_NAME+x}" ] || [ -z "${MINA_DEB_CODENAME+x}" ]; then
    echo "❌ Error: Required environment variables not provided:"
    [ -z "${CONFIG_JSON_GZ_URL+x}" ] && echo "  - CONFIG_JSON_GZ_URL: URL to download the network configuration JSON file 🌐"
    [ -z "${NETWORK_NAME+x}" ] && echo "  - NETWORK_NAME: Name of the network to create hardfork package for 🔗"
    [ -z "${MINA_DEB_CODENAME+x}" ] && echo "  - MINA_DEB_CODENAME: Debian codename for package building 📦"
    exit 1
fi

echo "--- Starting hardfork package generation for network: ${NETWORK_NAME} with Debian codename: ${MINA_DEB_CODENAME}"

if [ "${NETWORK_NAME}" = "mainnet" ]; then
  export MINA_BUILD_MAINNET=1
fi

echo "--- Checking for AWS CLI installation"
if ! command -v aws &> /dev/null; then
  echo "❌ Error: AWS CLI is not installed. Please install it first."
  echo "You can install it using:"
  echo "  - curl \"https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip\" -o \"awscliv2.zip\""
  echo "  - unzip awscliv2.zip"
  echo "  - sudo ./aws/install"
  exit 1
fi
echo "✅ AWS CLI is available"

export BYPASS_OPAM_SWITCH_UPDATE=1
export DUNE_PROFILE=${NETWORK_NAME}

make build
make build-daemon-utils
make build-devnet-sigs
make build-archive
make build-archive-utils
make build-test-utils

echo "--- Clean up any existing config files"
rm -f config.json config.json.gz
rm -rf hardfork_ledgers

# Set the base network config for ./scripts/hardfork/create_runtime_config.sh
export FORKING_FROM_CONFIG_JSON="genesis_ledgers/${NETWORK_NAME}.json"
[ ! -f "${FORKING_FROM_CONFIG_JSON}" ] && echo "${NETWORK_NAME} is not a known network name; check for existing network configs in 'genesis_ledgers/'" && exit 1

echo "--- Download and extract previous network config"
curl -o config.json.gz $CONFIG_JSON_GZ_URL
gunzip config.json.gz

echo "--- Generate hardfork ledger tarballs"
mkdir hardfork_ledgers
_build/default/src/app/runtime_genesis_ledger/runtime_genesis_ledger.exe --config-file config.json --genesis-dir hardfork_ledgers/ --hash-output-file hardfork_ledger_hashes.json | tee runtime_genesis_ledger.log | _build/default/src/app/logproc/logproc.exe

echo "--- Create hardfork config"
FORK_CONFIG_JSON=config.json LEDGER_HASHES_JSON=hardfork_ledger_hashes.json scripts/hardfork/create_runtime_config.sh > new_config.json

echo "--- Checking AWS S3 permissions for bucket access"
if ! aws s3 ls s3://snark-keys.o1test.net/ > /dev/null 2>&1; then
  echo "❌ Error: Unable to access S3 bucket 's3://snark-keys.o1test.net/'"
  echo "Please check your AWS credentials and permissions."
  exit 1
fi
echo "✅ S3 bucket access verified"

existing_files=$(aws s3 ls s3://snark-keys.o1test.net/ | awk '{print $4}')
for file in hardfork_ledgers/*; do
  filename=$(basename "$file")
  
  if echo "$existing_files" | grep -q "$filename"; then
    echo "Info: $filename already exists in the bucket, packaging it instead."
    oldhash=$(openssl dgst -r -sha3-256 "$file" | awk '{print $1}')
    aws s3 cp "s3://snark-keys.o1test.net/$filename" "$file"
    newhash=$(openssl dgst -r -sha3-256 "$file" | awk '{print $1}')
    sed -i "s/$oldhash/$newhash/g" new_config.json 
  else
    aws s3 cp --acl public-read "$file" s3://snark-keys.o1test.net/
  fi
done

echo "--- New genesis config"
head new_config.json

echo "--- Build hardfork package for Debian ${MINA_DEB_CODENAME}"
RUNTIME_CONFIG_JSON=$PWD/new_config.json LEDGER_TARBALLS="$(echo $PWD/hardfork_ledgers/*.tar.gz)" ./scripts/debian/build.sh "$@"