#!/usr/bin/env bash

# Copyright © 2023 OpenIM. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

set -o errexit
set +o nounset
set -o pipefail

OPENIM_ROOT=$(cd "$(dirname "${BASH_SOURCE[0]}")"/../.. && pwd -P)
[[ -z ${COMMON_SOURCED} ]] && source ${OPENIM_ROOT}/scripts/install/common.sh

SERVER_NAME="openim-api"

readonly OPENIM_API_PORT_TARGETS=(
  ${API_OPENIM_PORT}
)
readonly OPENIM_API_PORT_LISTARIES=("${OPENIM_API_PORT_TARGETS[@]##*/}")

readonly OPENIM_API_SERVICE_TARGETS=(
  openim-api
)
readonly OPENIM_API_SERVICE_LISTARIES=("${OPENIM_API_SERVICE_TARGETS[@]##*/}")

function openim::api::start()
{
    echo "++ OPENIM_API_SERVICE_LISTARIES: ${OPENIM_API_SERVICE_LISTARIES[@]}"
    echo "++ OPENIM_API_PORT_LISTARIES: ${OPENIM_API_PORT_LISTARIES[@]}"
    echo "++ OpenIM API config path: ${OPENIM_API_CONFIG}"

    openim::log::info "Starting ${SERVER_NAME} ..."

    printf "+------------------------+--------------+\n"
    printf "| Service Name           | Port         |\n"
    printf "+------------------------+--------------+\n"

    length=${#OPENIM_API_SERVICE_LISTARIES[@]}

    for ((i=0; i<$length; i++)); do
    printf "| %-22s | %6s       |\n" "${OPENIM_API_SERVICE_LISTARIES[$i]}" "${OPENIM_API_PORT_LISTARIES[$i]}"
    printf "+------------------------+--------------+\n"
    done
    # start all api services
    for ((i = 0; i < ${#OPENIM_API_SERVICE_LISTARIES[*]}; i++)); do
    openim::util::stop_services_with_name ${OPENIM_API_SERVICE_LISTARIES[$i]}
    openim::log::info "OpenIM ${OPENIM_API_SERVICE_LISTARIES[$i]} config path: ${OPENIM_API_CONFIG}"

    # Get the service and Prometheus ports.
    OPENIM_API_SERVICE_PORTS=( $(openim::util::list-to-string ${OPENIM_API_PORT_LISTARIES[$i]}) )

    # TODO Only one port is supported. An error occurs on multiple ports
    if [ ${#OPENIM_API_SERVICE_PORTS[@]} -ne 1 ]; then
        openim::log::error_exit "Set only one port for ${OPENIM_API_SERVICE_LISTARIES[$i]} service."
    fi

    for ((j = 0; j < ${#OPENIM_API_SERVICE_PORTS[@]}; j++)); do
        openim::log::info "Starting ${OPENIM_API_SERVICE_LISTARIES[$i]} service, port: ${OPENIM_API_SERVICE_PORTS[j]}, binary root: ${OPENIM_OUTPUT_HOSTBIN}/${OPENIM_API_SERVICE_LISTARIES[$i]}"
        openim::api::start_service "${OPENIM_API_SERVICE_LISTARIES[$i]}" "${OPENIM_API_PORT_LISTARIES[j]}"
        sleep 1
      done
    done

    OPENIM_API_PORT_STRINGARIES=( $(openim::util::list-to-string ${OPENIM_API_PORT_LISTARIES[@]}) )
    openim::util::check_ports ${OPENIM_API_PORT_STRINGARIES[@]}
}

function openim::api::start_service() {
  local binary_name="$1"
  local service_port="$2"
  local prometheus_port="$3"

  local cmd="${OPENIM_OUTPUT_HOSTBIN}/${binary_name} --port ${service_port} -c ${OPENIM_API_CONFIG}"

  nohup ${cmd} >> "${LOG_FILE}" 2>&1 &

  if [ $? -ne 0 ]; then
    openim::log::error_exit "Failed to start ${binary_name} on port ${service_port}."
  fi
}

###################################### Linux Systemd ######################################
SYSTEM_FILE_PATH="/etc/systemd/system/${SERVER_NAME}.service"

function openim::api::install() {
    openim::log::info "Installing ${SERVER_NAME} ..."
}

function openim::api::uninstall() {
    openim::log::info "Uninstalling ${SERVER_NAME} ..."

}

function openim::api::status() {
    openim::log::info "Checking ${SERVER_NAME} status ..."

    openim::util::check_ports ${OPENIM_API_PORT_LISTARIES[@]}
}

if [[ "$*" =~ openim::api:: ]];then
  eval $*
fi