#!/usr/bin/env bash
set -eo pipefail
[[ $DOKKU_TRACE ]] && set -x
source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
source "$PLUGIN_CORE_AVAILABLE_PATH/common/property-functions"
source "$PLUGIN_AVAILABLE_PATH/config/functions"
source "$PLUGIN_AVAILABLE_PATH/scheduler-docker-local/internal-functions"

trigger-scheduler-docker-local-pre-deploy() {
  declare desc="scheduler-docker-local pre-deploy plugin trigger"
  declare trigger="pre-deploy"
  declare APP="$1" IMAGE_TAG="$2"

  local DOKKU_SCHEDULER=$(get_app_scheduler "$APP")
  if [[ "$DOKKU_SCHEDULER" != "docker-local" ]]; then
    return
  fi

  scheduler-docker-local-pre-deploy-precheck "$APP"
}

scheduler-docker-local-pre-deploy-precheck() {
  declare desc="Outputs the checks messages if necessary"
  declare APP="$1"

  dokku_log_info2 "Processing deployment checks"

  local TMP_APP_JSON_OUTPUT=$(mktemp "/tmp/dokku-${DOKKU_PID}-${FUNCNAME[0]}.XXXXXX")
  trap "rm -rf '$TMP_APP_JSON_OUTPUT' >/dev/null" RETURN INT TERM EXIT
  plugn trigger app-json-get-content "$APP" >"$TMP_APP_JSON_OUTPUT"

  if ! docker-container-healthchecker exists web --app-json "$TMP_APP_JSON_OUTPUT"; then
    local CHECKS_URL="${DOKKU_CHECKS_URL:-https://dokku.com/docs/deployment/zero-downtime-deploys/}"
    dokku_log_verbose "No web healthchecks found in app.json. Simple container checks will be performed."
    dokku_log_verbose "For more efficient zero downtime deployments, add healthchecks to your app.json. See ${CHECKS_URL} for examples"
  fi
}

trigger-scheduler-docker-local-pre-deploy "$@"