#!/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"

migrate_checks_vars_0_5_0() {
  declare desc="migrates deprecated CHECKS config variables to simplified counter part introduced in 0.5.x"

  if ! declare -f -F config_get >/dev/null; then
    source "$PLUGIN_AVAILABLE_PATH/config/functions"
  fi

  local GLOBAL_SKIP_ALL_CHECKS=$(config_get --global DOKKU_SKIP_ALL_CHECKS || true)
  local GLOBAL_SKIP_DEFAULT_CHECKS=$(config_get --global DOKKU_SKIP_DEFAULT_CHECKS || true)

  for app in $(dokku_apps "false" 2>/dev/null); do
    local APP_SKIP_ALL_CHECKS=$(config_get "$app" DOKKU_SKIP_ALL_CHECKS || true)
    local APP_SKIP_DEFAULT_CHECKS=$(config_get "$app" DOKKU_SKIP_DEFAULT_CHECKS || true)

    if [[ "$APP_SKIP_ALL_CHECKS" == "true" ]] || [[ "$GLOBAL_SKIP_ALL_CHECKS" == "true" ]]; then
      dokku_log_info1 "Migrating DOKKU_SKIP_ALL_CHECKS to checks disabled property for $app. Use 'dokku checks:set $app disabled <value>' to manage this going forward."
      fn-plugin-property-write "checks" "$app" "disabled" "_all_"
    fi
    if [[ "$APP_SKIP_DEFAULT_CHECKS" == "true" ]] || [[ "$GLOBAL_SKIP_DEFAULT_CHECKS" == "true" ]]; then
      dokku_log_info1 "Migrating DOKKU_SKIP_DEFAULT_CHECKS to checks skipped property for $app. Use 'dokku checks:set $app skipped <value>' to manage this going forward."
      fn-plugin-property-write "checks" "$app" "skipped" "_all_"
    fi
    if [[ -n "$APP_SKIP_ALL_CHECKS" ]] || [[ -n "$APP_SKIP_DEFAULT_CHECKS" ]]; then
      DOKKU_QUIET_OUTPUT=1 config_unset --no-restart "$app" DOKKU_SKIP_ALL_CHECKS DOKKU_SKIP_DEFAULT_CHECKS
    fi
  done

  if [[ -n "$GLOBAL_SKIP_ALL_CHECKS" ]] || [[ -n "$GLOBAL_SKIP_DEFAULT_CHECKS" ]]; then
    DOKKU_QUIET_OUTPUT=1 config_unset --global DOKKU_SKIP_ALL_CHECKS DOKKU_SKIP_DEFAULT_CHECKS
  fi
}

migrate_checks_vars_0_6_0() {
  declare desc="migrates CHECKS config variables from 0.5.x to support fully-disabled zero-downtime checks"

  if ! declare -f -F config_get >/dev/null; then
    source "$PLUGIN_AVAILABLE_PATH/config/functions"
  fi

  for app in $(dokku_apps "false" 2>/dev/null); do
    local APP_DOKKU_CHECKS_ENABLED=$(config_get "$app" DOKKU_CHECKS_ENABLED || true)
    if [[ -n "$APP_DOKKU_CHECKS_ENABLED" ]]; then
      if [[ "$APP_DOKKU_CHECKS_ENABLED" == "0" ]]; then
        dokku_log_info1 "Migrating DOKKU_CHECKS_ENABLED to checks skipped property for $app. Use 'dokku checks:set $app skipped <value>' to manage this going forward."
        fn-plugin-property-write "checks" "$app" "skipped" "_all_"
      fi
      DOKKU_QUIET_OUTPUT=1 config_unset --no-restart "$app" DOKKU_CHECKS_ENABLED || true
    fi
  done
}

trigger-checks-install() {
  declare desc="installs the checks plugin"
  declare trigger="install"

  fn-plugin-property-setup "checks"

  # the checks plugin installs before the config plugin, so the pre-0.38 ENV
  # files have to be drained before any deprecated config var is read
  plugn trigger config-migrate-env

  migrate_checks_vars_0_5_0 "$@"
  migrate_checks_vars_0_6_0 "$@"

  "$PLUGIN_CORE_AVAILABLE_PATH/common/prop" migrate-config-to-property checks wait-to-retire DOKKU_WAIT_TO_RETIRE --global-config-var DOKKU_WAIT_TO_RETIRE
  "$PLUGIN_CORE_AVAILABLE_PATH/common/prop" migrate-config-to-property checks disabled DOKKU_CHECKS_DISABLED
  "$PLUGIN_CORE_AVAILABLE_PATH/common/prop" migrate-config-to-property checks skipped DOKKU_CHECKS_SKIPPED
  "$PLUGIN_CORE_AVAILABLE_PATH/common/prop" migrate-config-to-property checks wait DOKKU_CHECKS_WAIT --global-config-var DOKKU_CHECKS_WAIT
  "$PLUGIN_CORE_AVAILABLE_PATH/common/prop" migrate-config-to-property checks timeout DOKKU_CHECKS_TIMEOUT --global-config-var DOKKU_CHECKS_TIMEOUT
  "$PLUGIN_CORE_AVAILABLE_PATH/common/prop" migrate-config-to-property checks attempts DOKKU_CHECKS_ATTEMPTS --global-config-var DOKKU_CHECKS_ATTEMPTS
  "$PLUGIN_CORE_AVAILABLE_PATH/common/prop" migrate-config-to-property checks default-wait DOKKU_DEFAULT_CHECKS_WAIT --global-config-var DOKKU_DEFAULT_CHECKS_WAIT
}

trigger-checks-install "$@"