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

cmd-proxy-report() {
  declare desc="displays a proxy report for one or more apps"
  local cmd="proxy: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 $INSTALLED_APPS; do
      cmd-proxy-report-single "$app" "$INFO_FLAG" | tee || true
    done
  else
    cmd-proxy-report-single "$APP" "$INFO_FLAG"
  fi
}

cmd-proxy-report-single() {
  declare APP="$1" INFO_FLAG="$2"
  if [[ "$INFO_FLAG" == "true" ]]; then
    INFO_FLAG=""
  fi
  verify_app_name "$APP"
  local flag_map=(
    "--proxy-enabled: $(fn-proxy-enabled "$APP")"
    "--proxy-type: $(get_app_proxy_type "$APP")"
    "--proxy-port-map: $(get_app_proxy_port_map "$APP")"
  )

  if [[ -z "$INFO_FLAG" ]]; then
    dokku_log_info2_quiet "$APP proxy 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
}

fn-proxy-enabled() {
  declare APP="$1"
  local PROXY_ENABLED=false

  if [[ "$(is_app_proxy_enabled "$APP")" == "true" ]]; then
    PROXY_ENABLED=true
  fi
  echo "$PROXY_ENABLED"
}

proxy_help_content_func() {
  declare desc="return proxy plugin help content"
  cat <<help_content
    proxy <app>, [DEPRECATED] Show proxy settings for app
    proxy:disable <app>, Disable proxy for app
    proxy:enable <app>, Enable proxy for app
    proxy:ports <app>, List proxy port mappings for app
    proxy:ports-add <app> [<scheme>:<host-port>:<container-port>...], Add proxy port mappings to an app
    proxy:ports-clear <app>, Clear all proxy port mappings for an app
    proxy:ports-remove <app> [<host-port>|<scheme>:<host-port>:<container-port>...], Remove specific proxy port mappings from an app
    proxy:ports-set <app> [<scheme>:<host-port>:<container-port>...], Set proxy port mappings for an app
    proxy:report [<app>] [<flag>], Displays a proxy report for one or more apps
    proxy:set <app> <proxy-type>, Set proxy type for app
help_content
}

proxy_help_cmd() {
  if [[ $1 == "proxy:help" ]]; then
    echo -e 'Usage: dokku proxy[:COMMAND]'
    echo ''
    echo 'Manage the proxy used by dokku on a per app.'
    echo ''
    echo 'Additional commands:'
    proxy_help_content_func | sort | column -c2 -t -s,
  elif [[ $(ps -o command= $PPID) == *"--all"* ]]; then
    proxy_help_content_func
  else
    cat <<help_desc
    proxy, Manage the proxy used by dokku on a per app
help_desc
  fi
}