#!/bin/bash

set -eu

mongo_cli="mongo ${MONGODB_HOST}:${MONGODB_PORT}/${MONGODB_DATABASE} -u ${MONGODB_USERNAME} -p ${MONGODB_PASSWORD}"

echo "=> Creating directories"
mkdir -p /app/data/public/uploads /run/nodebb/logs /run/nodebb/public /run/nodebb/node_modules /run/nodebb/npm /run/nodebb/build

export NODE_ENV=production
export NODE_PATH=/app/code/node_modules

# Some plugins write stuff into node_modules. Not nice :/
echo "=> Moving node_modules"
cp -rf /app/code/node_modules_copy/* /run/nodebb/node_modules

if [[ -z "$(ls -A /run/nodebb/public)" ]]; then
    echo "=> Copying public files"

    cp -rf /app/code/public_template/* /run/nodebb/public

    # symlink uploads for backup
    cp -rf /app/code/public_template/uploads/* /app/data/public/uploads
    rm -rf /run/nodebb/public/uploads
    ln -sf /app/data/public/uploads /run/nodebb/public/uploads

    # The public/ contains code that requires with relative links
    ln -s /app/code/src /run/nodebb/src
fi

chown -R cloudron:cloudron /app/data /run/nodebb

if [[ ! -f /app/data/.setup_done ]]; then
    echo "=> Running initial setup"
    setup="{
        \"url\": \"${APP_ORIGIN}\",
        \"admin:username\": \"admin\",
        \"admin:password\": \"changeme123\",
        \"admin:password:confirm\": \"changeme123\",
        \"admin:email\": \"admin@cloudron.io\",
        \"database\": \"mongo\",
        \"mongo:host\": \"${MONGODB_HOST}\",
        \"mongo:port\": \"${MONGODB_PORT}\",
        \"mongo:username\": \"${MONGODB_USERNAME}\",
        \"mongo:password\": \"${MONGODB_PASSWORD}\",
        \"mongo:database\": \"${MONGODB_DATABASE}\"
    }"

    # this will create a config.json
    cd /app/code && /usr/local/bin/gosu cloudron:cloudron node /app/code/app --setup "${setup}"  --series
    touch /app/data/.setup_done
fi

# load session secret
if [[ -f /app/data/secret ]]; then
    secret=$(cat /app/data/secret)
else
    secret=$(uuid)
    echo "${secret}" > /app/data/secret
fi

# Re-create config.json
sed -e "s,##APP_ORIGIN,${APP_ORIGIN}," \
    -e "s/##MONGODB_HOST/${MONGODB_HOST}/" \
    -e "s/##MONGODB_PORT/${MONGODB_PORT}/" \
    -e "s/##MONGODB_USERNAME/${MONGODB_USERNAME}/" \
    -e "s/##MONGODB_PASSWORD/${MONGODB_PASSWORD}/" \
    -e "s/##MONGODB_DATABASE/${MONGODB_DATABASE}/" \
    -e "s/##SECRET/${secret}/" \
    /app/code/config.json.template > /run/nodebb/config.json

echo "=> Checking plugins to be installed"
for plugin in $(./nodebb plugins | grep 'nodebb-' | cut -f3 -d' '); do
    if [[ ! -d "/app/code/node_modules/${plugin}" ]]; then
        echo "Could not find plugin ${plugin}. Installing it"
        cd /app/code && /usr/local/bin/gosu cloudron:cloudron npm install "${plugin}"
    fi
done

echo "Setting up email"
${mongo_cli} --eval "db.objects.update({ _key: 'config' }, { \$set: { 'email:smtpTransport:enabled': '1', 'email:smtpTransport:service': 'nodebb-custom-smtp', 'email:smtpTransport:host': '${MAIL_SMTP_SERVER}', 'email:smtpTransport:port': '${MAIL_SMTP_PORT}', 'email:smtpTransport:user': '${MAIL_SMTP_USERNAME}', 'email:smtpTransport:pass': '${MAIL_SMTP_PASSWORD}', 'email:smtpTransport:security': 'NONE', 'email:from': '${MAIL_FROM}' } }, { upsert: true })"

# there are 3 binaries
# nodebb - this is used for controlling nodebb (start/stop/restart) etc
# loader - this is what "nodebb start" starts. loader spawns 'n' number of app(s)
# app    - this is what "nodebb build" calls

echo "=> Updating nodebb (and building assets)"
series=1 /usr/local/bin/gosu cloudron:cloudron /app/code/nodebb upgrade --schema --build

echo "=> Starting nodebb"
series=1 exec /usr/local/bin/gosu cloudron:cloudron node /app/code/loader.js --no-daemon --no-silent