#!/bin/bash

set -eE -o pipefail
trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
# mail-route can get messed up a bit randomly, I don't know why.
#/b/ds/mail-route up | /b/log-quiet/log-once -1 mail-route

for f in $(awk '$1 == "localfolders" {print $NF}' ~/.offlineimaprc); do
  mkdir -p $f
  chmod 700 $f
done

offlineimap -u quiet
shopt -s nullglob

if grep -qP '^ *accounts.*fsf' ~/.offlineimaprc; then
  if [[ ! -e /nocow/user/.mufsf ]]; then
    mkdir -p /nocow/user/.mufsf
    chmod 700 /nocow/user/.mufsf
    mu index --maildir=/nocow/user/fsfmd
  fi
fi

omv() { # offlineimap mv. move mail files within $src_base/$1 to /m/md/$2
  src="$1"
  dst="$2"
  found_files=false
  for x in new cur; do
    files=($src_base/"$src"/$x/*)
    if [[ $files ]]; then
      found_files=true
      mv "${files[@]}" /m/md/"$dst"/$x
    fi
  done
}

src_base=/m/offlineimap
omv "Sent Items" "Sent"
omv INBOX offlineimaptmp
src_base=/m/md
if $found_files; then
  sieve-filter -eW ~/sieve/main.sieve offlineimaptmp &>/dev/null
  # the default folder is INBOX for anything leftover
  omv offlineimaptmp INBOX
  # remove messages from remote host
  offlineimap -u quiet
  # this makes us sit and wait when we want to use mu and this is running in a cronjob.
  # todo: emacs updates the index much faster. what command is it running? I'd like
  # to just run that
  # looks like it might be mu index --lazy-check, but that still takes like 10 seconds,
  # figure out if that is the same speed, or if we can make it faster.
  #mu index &>/dev/null ||:
fi


# delete based on http://deflexion.com/2006/05/imap-way-of-deleting-message
sieve-filter -eW -o mail_location=maildir:/nocow/user/fsfmd:LAYOUT=fs:INBOX=/nocow/user/fsfmd/INBOX ~/sieve/fsf.sieve INBOX delete &>>/tmp/fsfsieve.log

# to test new rules, update fsf-test.sieve, run these commands, then copy new fsf-test.sieve to fsf.sieve
# sieve-filter -o mail_location=maildir:/nocow/user/fsfmd:LAYOUT=fs:INBOX=/nocow/user/fsfmd/INBOX ~/sieve/fsf-test.sieve INBOX &>/tmp/testfsfsieve.log
# sed -rn '/^Performed actions:/{n;n;p}' /tmp/testfsfsieve.log | sort -u