#!/bin/bash
# Purpose: display state of ngcpcfg setup and pending/recommended actions
################################################################################

set -e
set -u

if ! [ -r /usr/share/ngcp-ngcpcfg/functions/main ] ; then
  printf "Error: /usr/share/ngcp-ngcpcfg/functions/main could not be read. Exiting.\n" >&2
  exit 1
fi

. /usr/share/ngcp-ngcpcfg/functions/main

# main script

if ! [ -d "${NGCPCTL_MAIN:-}" ] ; then
  log_error "Directory ${NGCPCTL_MAIN:-} does not exist yet. Execute 'ngcpcfg initialise'."
  exit 1
fi

log_debug "cd $NGCPCTL_MAIN"
cd "$NGCPCTL_MAIN"

log_info "Checking state of ngcpcfg:"
if ! [ -r /etc/ngcp-config/.git/HEAD ] ; then
  log_warn "ngcpcfg has not been initialised yet. Execute 'ngcpcfg initialise'."
  exit 0
fi

log_info "OK:   has been initialised already "

log_info "Checking state of configuration files:"
log_debug "git status | grep -q 'working directory clean'"
if git status | grep -q 'working directory clean' ; then
  log_info "OK:   nothing to commit."
else
  if git diff-index --name-only HEAD | grep -q . ; then
    log_info "ACTION_NEEDED: configuration files have been modified:"
    log_debug "git diff-index --name-only HEAD | sed \"s;^;${NGCPCTL_MAIN}/;\""
    git diff-index --name-only HEAD | sed "s;^;${NGCPCTL_MAIN}/;"
  fi

  if git ls-files --other --exclude-standard | grep -q . ; then
    log_info "ACTION_NEEDED: configuration files have been added:"
    log_debug "git ls-files --other --exclude-standard | sed \"s;^;${NGCPCTL_MAIN}/;\""
    git ls-files --other --exclude-standard | sed "s;^;${NGCPCTL_MAIN}/;"
  fi

  log_info "-> execute 'ngcpcfg build' and 'ngcpcfg commit'"
fi

if which status_ha &>/dev/null ; then
  log_debug "status_ha function"
  status_ha
fi

log_debug "cd /etc"
cd /etc

log_info "Checking state of /etc files"
log_debug "git status | grep -q 'working directory clean'"
if git status | grep -q 'working directory clean' ; then
  log_info "OK:   nothing to commit."
else
  log_info "ACTION_NEEDED: configuration files changed (execute 'etckeeper commit [message]')."
fi

## END OF FILE #################################################################