#!/bin/bash

# Collection of simple setup tasks
# e.g. Ability to send mail (ssmtp)

sc_configLoc="./basics"

step_config() {
#  echo "Called once before executing steps."
#  echo "e.g. to source a config file:"
#  #. "$CONFIG_FILE"
  sc_configLoc="${seq_origin}/basics"
}

step_10_info() { echo "ssmtp installation"; }
step_10_alias() { echo "ssmtp"; }
step_10() {
  exe apt update && apt install $SSMTP_DEPS
  endReturn -o $? "ssmtp installation failed"
}
SSMTP_DEPS="ssmtp"

step_11_info() { echo "ssmtp setup"; }
step_11_alias() { echo "ssmtpSetup"; }
step_11() {
  if [ ! -f "$CONFIG_FILE_SSMTP" ] ; then
    error -e "User config ($CONFIG_FILE_SSMTP) not found"
    error -e "     See $CONFIG_FILE_SSMTP_TEMPLATE"
    return 1
  fi
  addConf -c -f "$CONFIG_FILE_SSMTP" "$CONFIG_LOC_SSMTP"
  endReturn -o $? "Could not write ssmtp configuration"

  if [ ! -f "$CONFIG_FILE_SSMTP_AL" ] ; then
    warning -e "User aliases ($CONFIG_FILE_SSMTP_AL) not found"
    error -e "     See $CONFIG_FILE_SSMTP_TEMPLATE or modify $CONFIG_LOC_SSMTP_AL directly"
    return 1
  fi
  addConf -c -f "$CONFIG_FILE_SSMTP_AL" "$CONFIG_LOC_SSMTP_AL"
  endReturn -o $? "Could not write ssmtp aliases"
}
CONFIG_LOC_SSMTP="/etc/ssmtp/ssmtp.conf"
CONFIG_LOC_SSMTP_AL="/etc/ssmtp/revaliases"
CONFIG_FILE_SSMTP="$sc_configLoc/ssmtp.cfg"
CONFIG_FILE_SSMTP_TEMPLATE="${CONFIG_FILE_SSMTP}.example"
CONFIG_FILE_SSMTP_AL="$sc_configLoc/revaliases.cfg"
CONFIG_FILE_SSMTP_AL_TEMPLATE="${CONFIG_FILE_SSMTP}.example"

step_13_info() {
  echoinfoArgs "<MAILADDRESS>"; echo -n "Send test E-Mail"
  if [ -z "${2:-}" ] ; then
    echo " to MAILADDRESS"
  else
    echo " to ${2}"
  fi
}
step_13_alias() { echo "smtpTest"; }
step_13() {
  [[ -z "${2:-}" ]] && fatal -e "No mailaddress provided"

  exep echo "Subject: sendmail test" \| sendmail -v "$2"
}

step_15_info() { echo "ssmtp help"; }
step_15_alias() { echo "ssmtpHelp"; }
step_15() {
  echo " Configuration files expected by this seq:"
  echo
  echo "  - $CONFIG_FILE_SSMTP"
  echo "    (see template: $CONFIG_FILE_SSMTP_TEMPLATE)"
  echo "  - $CONFIG_FILE_SSMTP_AL optional"
  echo "    (see template: $CONFIG_FILE_SSMTP_AL_TEMPLATE)"
  echo
  echo " ssmtp configuration files"
  echo
  echo "  - $CONFIG_LOC_SSMTP"
  echo "  - $CONFIG_LOC_SSMTP_AL"
}

step_30_info() { echo "msmtp setup"; }
step_30_alias() { echo "msmtp"; }
step_30() {
  exe apt update
  exe apt install ${sq_msmtpDeps:?}
}
sq_msmtpDeps="msmtp msmtp-mta"

step_31_info() { echo "Init config"; }
step_31() {
  if addConf -c "${sc_msmtpConfig}" "${sc_msmtpConfigLoc}" ; then
    if confirm "Edit this file now?" "n" ; then
      editor "${sc_msmtpConfigLoc}"
    fi
  else
    fatal "Couldn't create msmtp system configuration file ${sc_msmtpConfigLoc}"
  fi
}
sc_msmtpConfigLoc="/etc/msmtprc"
sc_msmtpConfig="# Example for a system wide configuration file

# A system wide configuration file is optional.
# If it exists, it usually defines a default account.
# This allows msmtp to be used like /usr/sbin/sendmail.
account default

# The SMTP smarthost (use FQDN from certificate if possible)
host mail

# Use TLS on port 465
port 25
tls on
tls_starttls on

# Usually not need on debian systems
#tls_trust_file /etc/ssl/certs/ca-certificates.crt

# Construct envelope-from addresses of the form \"user@oursite.example\"
#auto_from on
#maildomain oursite.example
# or set a static from address
#from noreply@yourdomain.com

# Syslog logging with facility LOG_MAIL instead of the default LOG_USER
syslog LOG_MAIL"

# shellcheck disable=SC2034 # Appears unused
readonly sqr_minVersion=16
# shellcheck disable=SC1091 # Don't follow this source
. /usr/local/bin/sequencer.sh