#!/bin/bash


dump_config (){
echo "========== Odoo Container Configuration =========="
echo "UUID:              $UUID"
echo "BRANCH:            $BRANCH"
echo "STAGING:           $STAGING"
echo
echo "PostgreSQL Host:   $POSTGRES_HOST"
echo "PostgreSQL Port:   $POSTGRES_PORT"
echo "PostgreSQL Admin:  $POSTGRES_ADMIN_USER / $POSTGRES_ADMIN_PASSWORD"
echo "ODOO DB User:      $ODOO_DB_USER"
echo "ODOO DB Password:  $ODOO_DB_PASSWORD"
echo
echo "BASEURL:           $BASEURL"
echo "DATA_DIR:          $DATA_DIR"
echo "CUSTOM_DIR:        $CUSTOM_DIR"
echo "ENTERPRISE_DIR:    $ENTERPRISE_DIR"
echo "LOGS_DIR:          $LOGS_DIR"
echo "CONFIG_DIR:        $CONFIG_DIR"
echo "CC_DIR:            $CC_DIR"
echo "BACKUP_DIR:        $BACKUP_DIR"
echo "GIT_DIR:           $GIT_DIR"
echo "ETC_DIR:           $ETC_DIR"
echo "INSTALL_DIR:       $INSTALL_DIR"
echo "SSH_DIR:           $SSH_DIR"
echo "HUGO_DIR:          $HUGO_DIR"
echo
echo "SERVER_IP:         $SERVER_IP"
echo "=================================================="

}



# -----------------------------
# Function: Create PostgreSQL user
# -----------------------------

# Run a query as postgres admin. Returns psql's exit status so callers can tell
# "query returned nothing" apart from "could not connect".
pg_admin() {
    PGPASSWORD="$POSTGRES_ADMIN_PASSWORD" psql -h "$POSTGRES_HOST" -U "$POSTGRES_ADMIN_USER" -p "$POSTGRES_PORT" -d postgres -tAc "$1"
}

# Wait until Postgres accepts connections (default: up to 60s).
wait_for_postgres() {
    local tries="${1:-30}"
    local i
    for ((i = 1; i <= tries; i++)); do
        if pg_admin "SELECT 1;" >/dev/null 2>&1; then
            return 0
        fi
        echo "Postgres not reachable yet ($i/$tries), retrying..."
        sleep 2
    done
    return 1
}

check_and_create_db() {
echo "check and create"
echo "Connecting as $POSTGRES_ADMIN_USER to $POSTGRES_HOST:$POSTGRES_PORT"

# -----------------------------
# Never guess: if Postgres cannot be queried we must NOT assume the DB is
# missing, because a restore wipes the filestore.
# -----------------------------
if ! wait_for_postgres; then
    echo "ERROR: cannot connect to Postgres at $POSTGRES_HOST:$POSTGRES_PORT - skipping DB check, NO restore performed"
    return 1
fi

# -----------------------------
# Check if user exists
# -----------------------------
USER_EXISTS=$(PGPASSWORD="$POSTGRES_ADMIN_PASSWORD" psql -h "$POSTGRES_HOST" -U "$POSTGRES_ADMIN_USER" -p "$POSTGRES_PORT" -d postgres -tAc "SELECT 1 FROM pg_roles WHERE rolname='$ODOO_DB_USER';" | grep -q 1 && echo "yes" || echo "no")
if [ "$USER_EXISTS" = "no" ]; then
    echo "Creating PostgreSQL user $ODOO_DB_USER..."
    PGPASSWORD="$POSTGRES_ADMIN_PASSWORD" psql -h "$POSTGRES_HOST" -U "$POSTGRES_ADMIN_USER" -p "$POSTGRES_PORT" -d postgres -c "CREATE USER \"$ODOO_DB_USER\" WITH PASSWORD '$ODOO_DB_PASSWORD';"
fi

# -----------------------------
# Check if database exists
# -----------------------------
DB_RESULT=$(pg_admin "SELECT 1 FROM pg_database WHERE datname='$UUID';")
DB_RC=$?
if [ $DB_RC -ne 0 ]; then
    echo "ERROR: DB existence query failed (rc=$DB_RC) - NO restore performed"
    return 1
fi

if [ "$DB_RESULT" = "1" ]; then
    DB_EXISTS="yes"
else
    DB_EXISTS="no"
fi

if [ "$DB_EXISTS" = "no" ]; then
    FILESTORE_HOST="/4server/data/$UUID/odoo/odoo-web-data/filestore"
    if [ -d "$FILESTORE_HOST" ] && [ -n "$(ls -A "$FILESTORE_HOST" 2>/dev/null)" ]; then
        echo "ERROR: database $UUID not found but a filestore exists at $FILESTORE_HOST - refusing automatic restore of default.zip (would delete the filestore). Restore manually if intended."
        return 1
    fi
    /4server/sbin/ODOO_19/restore $UUID default.zip
fi
}



# -----------------------------
# Function: Check DNS and build Traefik labels
# -----------------------------
check_domains() {
    local domains="$1"
    local server_ip="$2"

    echo "Checking DNS resolution for domains: $domains"
    local filtered_domains=""
    for domain in $domains; do
        ns_ip=$(nslookup "$domain" 2>/dev/null | grep -Eo 'Address: ([0-9]{1,3}\.){3}[0-9]{1,3}' | awk '{print $2}' | tail -n1)
        if [[ "$ns_ip" == "$server_ip" ]]; then
            filtered_domains+=" $domain"
        fi
    done
    filtered_domains=$(echo "$filtered_domains" | xargs)

    DOMAIN_LABEL=""
    for domain in $filtered_domains; do
        if [ -z "$DOMAIN_LABEL" ]; then
            DOMAIN_LABEL="traefik.http.routers.$UUID.rule=Host(\`$domain\`)"
        else
            DOMAIN_LABEL+=" || Host(\`$domain\`)"
        fi
    done
    echo "$DOMAIN_LABEL"
}