#!/usr/bin/env bash
source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
source "$PLUGIN_CORE_AVAILABLE_PATH/common/property-functions"
set -eo pipefail
[[ $DOKKU_TRACE ]] && set -x

cmd-haproxy-set() {
  declare desc="set or clear an haproxy property for an app"
  declare cmd="haproxy:set"
  [[ "$1" == "$cmd" ]] && shift 1
  declare APP="$1" KEY="$2" VALUE="$3"
  local VALID_KEYS=("image" "log-level" "letsencrypt-email" "letsencrypt-server" "refresh-conf")
  local GLOBAL_KEYS=("image" "log-level" "letsencrypt-email" "letsencrypt-server" "refresh-conf")
  local GLOBAL_ONLY_KEYS=("image" "log-level" "letsencrypt-email" "letsencrypt-server" "refresh-conf")

  [[ -z "$KEY" ]] && dokku_log_fail "No key specified"

  if ! fn-in-array "$KEY" "${VALID_KEYS[@]}"; then
    dokku_log_fail "Invalid key specified, valid keys include: image log-level letsencrypt-email letsencrypt-server refresh-conf"
  fi

  if ! fn-in-array "$KEY" "${GLOBAL_KEYS[@]}"; then
    if [[ "$APP" == "--global" ]]; then
      dokku_log_fail "The key '$KEY' cannot be set globally"
    fi
    verify_app_name "$APP"
  fi

  if fn-in-array "$KEY" "${GLOBAL_ONLY_KEYS[@]}" && [[ "$APP" != "--global" ]]; then
    dokku_log_fail "The key '$KEY' can only be set globally"
  fi

  if [[ -n "$VALUE" ]]; then
    dokku_log_info2_quiet "Setting ${KEY} to ${VALUE}"
    fn-plugin-property-write "haproxy" "$APP" "$KEY" "$VALUE"
  else
    dokku_log_info2_quiet "Unsetting ${KEY}"
    fn-plugin-property-delete "haproxy" "$APP" "$KEY"
  fi
}

cmd-haproxy-set "$@"