#!/bin/bash
export PATH=/4PROJECTS/bin:$PATH
if [ ! -n "$2" ]; then
  echo "Missing Parameters <UUID> <FILE>"
  exit 0
fi

UUID=$1
echo "UUID: $UUID"

source /4server/sbin/helpers

get_contract_info


#export ODOO_DB_PASSWORD=$(echo "$SECRET" | jq -r '.psql')

echo "PASSWORD $ODOO_DB_PASSWORD"

echo "Restoring $FILENAME to $UUID"
echo "status of container"
doas docker ps -a --filter "id=$UUID"
echo "POSTGRES HOST: $POSTGRES_HOST"
BACKUP="/mnt/backup/$2"
TEMPLATE="/mnt/db_images/$2"
doas docker exec "$UUID" /bin/bash -c "[ -f $TEMPLATE ]"

if  doas docker exec "$UUID" /bin/bash -c "[ -f $BACKUP ]"; then
    FILENAME="$BACKUP"
elif  doas docker exec "$UUID" /bin/bash -c "[ -f $TEMPLATE ]"; then
    FILENAME="$TEMPLATE"
else
  echo "File not exists"
  exit 0
fi


source /4server/sbin/ODOO_19/ODOO_19.lib

# Abort BEFORE touching anything if Postgres is not reachable
if ! wait_for_postgres; then
  echo "ERROR: cannot connect to Postgres at $POSTGRES_HOST:$POSTGRES_PORT - restore aborted, nothing was changed"
  exit 1
fi

### DELETE AND CREATE DATABASE
PGPASSWORD="$POSTGRES_ADMIN_PASSWORD" psql -h "$POSTGRES_HOST" -U "$POSTGRES_ADMIN_USER" -d postgres -c "
SELECT pg_terminate_backend(pid) FROM pg_stat_activity
WHERE datname = '$UUID' AND pid <> pg_backend_pid();
"
PGPASSWORD="$POSTGRES_ADMIN_PASSWORD" psql -h "$POSTGRES_HOST" -U "$POSTGRES_ADMIN_USER" -d postgres -c "
DROP DATABASE IF EXISTS \"$UUID\";
"

PGPASSWORD="$POSTGRES_ADMIN_PASSWORD" psql \
  -h "$POSTGRES_HOST" -U "$POSTGRES_ADMIN_USER" -p "$POSTGRES_PORT" -d postgres \
  -c "ALTER ROLE \"$UUID\" CREATEDB;"


# Move the old filestore aside instead of deleting it; it is only removed after a successful load
OLD_FS="/home/odoo/.local/share/Odoo/.filestore.pre-restore"
doas docker exec "$UUID" rm -rf "$OLD_FS"
doas docker exec "$UUID" sh -c "[ -d /home/odoo/.local/share/Odoo/filestore ] && mv /home/odoo/.local/share/Odoo/filestore $OLD_FS; true"
doas docker exec "$UUID" rm -rf /root/.local/share/Odoo/filestore

if ! doas docker exec "$UUID" odoo db --db_host beedb -w "$ODOO_DB_PASSWORD" -r "$UUID" load "$UUID" $FILENAME -f; then
  echo "ERROR: odoo db load failed - putting the old filestore back"


# Restrict database access to its UUID owner
PGPASSWORD="$POSTGRES_ADMIN_PASSWORD" psql \
  -h "$POSTGRES_HOST" -U "$POSTGRES_ADMIN_USER" \
  -p "$POSTGRES_PORT" -d postgres \
  -v ON_ERROR_STOP=1 \
  -c "REVOKE CONNECT, TEMPORARY ON DATABASE \"$UUID\" FROM PUBLIC;
      GRANT CONNECT ON DATABASE \"$UUID\" TO \"$UUID\";
      ALTER DATABASE \"$UUID\" OWNER TO \"$UUID\";
      ALTER ROLE \"$UUID\" NOCREATEDB;"



  doas docker exec "$UUID" sh -c "[ -d $OLD_FS ] && rm -rf /home/odoo/.local/share/Odoo/filestore && mv $OLD_FS /home/odoo/.local/share/Odoo/filestore; true"
  PGPASSWORD="$POSTGRES_ADMIN_PASSWORD" psql \
    -h "$POSTGRES_HOST" -U "$POSTGRES_ADMIN_USER" -p "$POSTGRES_PORT" -d postgres \
    -c "ALTER ROLE \"$UUID\" NOCREATEDB;"
  exit 1
fi
doas docker exec "$UUID" rm -rf "$OLD_FS"

PGPASSWORD="$POSTGRES_ADMIN_PASSWORD" psql \
  -h "$POSTGRES_HOST" -U "$POSTGRES_ADMIN_USER" -p "$POSTGRES_PORT" -d postgres \
  -c "ALTER ROLE \"$UUID\" NOCREATEDB;"


doas docker exec "$UUID" cp -r /root/.local/share/Odoo/filestore /home/odoo/.local/share/Odoo/filestore
doas docker exec "$UUID" chown -R odoo:odoo /home/odoo/.local

doas docker exec "$UUID" mkdir -p /var/lib/odoo/.local/share/Odoo/
doas docker exec "$UUID" ln -s /home/odoo/.local/share/Odoo/filestore /var/lib/odoo/.local/share/Odoo/filestore

docker restart "$UUID"