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

cmd-checks-report() {
  declare desc="shows reports for an app"
  local cmd="checks:report"
  local INSTALLED_APPS=$(dokku_apps)
  local APP="$2" INFO_FLAG="$3"

  if [[ -n "$APP" ]] && [[ "$APP" == --* ]]; then
    INFO_FLAG="$APP"
    APP=""
  fi

  if [[ -z "$APP" ]] && [[ -z "$INFO_FLAG" ]]; then
    INFO_FLAG="true"
  fi

  if [[ -z "$APP" ]]; then
    for app in $INSTALLED_APPS; do
      cmd-checks-report-single "$app" "$INFO_FLAG" | tee || true
    done
  else
    cmd-checks-report-single "$APP" "$INFO_FLAG"
  fi
}

cmd-checks-report-single() {
  declare APP="$1" INFO_FLAG="$2"
  if [[ "$INFO_FLAG" == "true" ]]; then
    INFO_FLAG=""
  fi
  verify_app_name "$APP"
  local flag_map=(
    "--checks-disabled-list: $(fn-checks-disabled-list "$APP")"
    "--checks-skipped-list: $(fn-checks-skipped-list "$APP")"
  )

  if [[ -z "$INFO_FLAG" ]]; then
    dokku_log_info2_quiet "$APP checks information"
    for flag in "${flag_map[@]}"; do
      key="$(echo "${flag#--}" | cut -f1 -d' ' | tr - ' ')"
      dokku_log_verbose "$(printf "%-30s %-25s" "${key^}" "${flag#*: }")"
    done
  else
    local match=false; local value_exists=false
    for flag in "${flag_map[@]}"; do
      valid_flags="${valid_flags} $(echo "$flag" | cut -d':' -f1)"
      if [[ "$flag" == "${INFO_FLAG}:"* ]]; then
        value=${flag#*: }
        size="${#value}"
        if [[ "$size" -ne 0 ]]; then
          echo "$value" && match=true && value_exists=true
        else
          match=true
        fi
      fi
    done
    [[ "$match" == "true" ]] || dokku_log_fail "Invalid flag passed, valid flags:${valid_flags}"
    [[ "$value_exists" == "true" ]] || dokku_log_fail "not deployed"
  fi
}

checks_help_content_func() {
  declare desc="return checks plugin help content"
  cat<<help_content
    checks <app>, [DEPRECATED] Alternative for checks:report
    checks:disable <app> [process-type(s)], Disable zero-downtime deployment for all processes (or comma-separated process-type list) ***WARNING: this will cause downtime during deployments***
    checks:enable <app> [process-type(s)], Enable zero-downtime deployment for all processes (or comma-separated process-type list)
    checks:report [<app>] [<flag>], Displays a checks report for one or more apps
    checks:run <app> [process-type(s)], Runs zero-downtime checks for all processes (or comma-separated process-type list)
    checks:skip <app> [process-type(s)], Skip zero-downtime checks for all processes (or comma-separated process-type list)
help_content
}

checks_help_cmd() {
  if [[ $1 = "checks:help" ]] ; then
    echo -e 'Usage: dokku checks[:COMMAND]'
    echo ''
    echo 'Manage zero-downtime settings.'
    echo ''
    echo 'Additional commands:'
    checks_help_content_func | sort | column -c2 -t -s,
  elif [[ $(ps -o command= $PPID) == *"--all"* ]]; then
    checks_help_content_func
  else
    cat<<help_desc
    checks, Manage zero-downtime settings
help_desc
  fi
}

fn-checks-disabled-list() {
  declare APP="$1"

  local DOKKU_CHECKS_DISABLED=$(config_get "$APP" DOKKU_CHECKS_DISABLED)
  DOKKU_CHECKS_DISABLED="${DOKKU_CHECKS_DISABLED:-none}"
  echo "$DOKKU_CHECKS_DISABLED"
}

fn-checks-skipped-list() {
  declare APP="$1"

  local DOKKU_CHECKS_SKIPPED=$(config_get "$APP" DOKKU_CHECKS_SKIPPED)
  DOKKU_CHECKS_SKIPPED="${DOKKU_CHECKS_SKIPPED:-none}"
  echo "$DOKKU_CHECKS_SKIPPED"
}