#!/usr/local/bin/zsh
PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin:$HOME/bin
HOSTNAME=$(hostname)
LOCATION=$(hostname|cut -d . -f2)
LOCKFILE="${HOME}/lock"
REF=$(echo "${1:=origin/master}"|sed -e 's!:!/!')

# get rpc credentials
BITCOIN_RPC_USER=$(grep '^rpcuser' /bitcoin/bitcoin.conf | cut -d '=' -f2)
BITCOIN_RPC_PASS=$(grep '^rpcpassword' /bitcoin/bitcoin.conf | cut -d '=' -f2)
ELEMENTS_RPC_USER=$(grep '^rpcuser' /elements/elements.conf | cut -d '=' -f2)
ELEMENTS_RPC_PASS=$(grep '^rpcpassword' /elements/elements.conf | cut -d '=' -f2)

if [ -f "${LOCKFILE}" ];then
    echo "upgrade already running? check lockfile ${LOCKFILE}"
    exit 1
fi

trap "rv=\$?; rm -rf "${LOCKFILE}"; exit \$rv" INT TERM EXIT

touch "${LOCKFILE}"

echo "Upgrading mempool to ${REF}" | wall

update_repo()
{
    local site="$1"
    echo "[*] Upgrading ${site} to ${REF}"
    cd "$HOME/${site}" || exit 1

    git fetch origin || exit 1
    for remote in origin hunicus mononaut;do
        git remote add "${remote}" "https://github.com/${remote}/mempool" >/dev/null 2>&1
        git fetch "${remote}" || exit 1
    done

    if [ $(git tag -l "${REF}") ];then
        git reset --hard "tags/${REF}" || exit 1
    elif [ $(git branch -r -l "origin/${REF}") ];then
        git reset --hard "origin/${REF}" || exit 1
    else
        git reset --hard "${REF}" || exit 1
    fi
    export HASH=$(git rev-parse HEAD)
}

build_frontend()
{
    local site="$1"
    echo "[*] Building frontend for ${site}"
    [ -z "${HASH}" ] && exit 1
    cd "$HOME/${site}/frontend" || exit 1
    if [ ! -e "mempool-frontend-config.json" ];then
        cp "${HOME}/mempool/production/mempool-frontend-config.${site}.json" "mempool-frontend-config.json"
    fi
    npm install --no-optional || exit 1
    npm run build || exit 1
}

build_backend()
{
    local site="$1"
    echo "[*] Building backend for ${site}"
    [ -z "${HASH}" ] && exit 1
    cd "$HOME/${site}/backend" || exit 1
    if [ ! -e "mempool-config.json" ];then
        cp "${HOME}/mempool/production/mempool-config.${site}.json" "mempool-config.json"
	sed -i .orig \
	-e "s!__BITCOIN_RPC_USER__!${BITCOIN_RPC_USER}!" \
	-e "s!__BITCOIN_RPC_PASS__!${BITCOIN_RPC_PASS}!" \
	-e "s!__ELEMENTS_RPC_USER__!${ELEMENTS_RPC_USER}!" \
	-e "s!__ELEMENTS_RPC_PASS__!${ELEMENTS_RPC_PASS}!" \
	"mempool-config.json"
    fi
    npm install --no-optional || exit 1
    npm run build || exit 1
}

ship_frontend()
{
    local site="$1"
    cd "$HOME/${site}/frontend" || exit 1
    mkdir -p "${HOME}/public_html/${site}/"
    rsync -av "./dist/mempool/browser/" "${HOME}/public_html/${site}/" || exit 1
}

export NVM_DIR="${HOME}/.nvm"
source "${NVM_DIR}/nvm.sh"

for target in mainnet testnet signet liquid liquidtestnet bisq;do
    update_repo "${target}"
done

for target in mainnet testnet signet liquid liquidtestnet bisq;do
    build_backend "${target}"
done

for target in mainnet liquid bisq;do
    build_frontend "${target}"
done

for target in mainnet liquid bisq;do
    ship_frontend "${target}"
done

echo "${HOSTNAME} updated to \`${REF}\` @ \`${HASH}\`" | /usr/local/bin/keybase chat send --nonblock --channel general mempool.dev
echo "${HOSTNAME} updated to \`${REF}\` @ \`${HASH}\`" | /usr/local/bin/keybase chat send --nonblock --channel general "mempool.ops.${LOCATION}"

exit 0