#!/bin/bash

function displaytime {
    printf "ran in "
    local T=$1
    local D=$((T/60/60/24))
    local H=$((T/60/60%24))
    local M=$((T/60%60))
    local S=$((T%60))
    (( $D > 0 )) && printf '%d days ' $D
    (( $H > 0 )) && printf '%d hours ' $H
    (( $M > 0 )) && printf '%d minutes ' $M
    (( $D > 0 || $H > 0 || $M > 0 )) && printf 'and '
    printf '%d seconds\n' $S
}

bs=${BASH_SOURCE[0]}
if [[ $0 != $bs ]] ; then
    echo "This script should not be *sourced* but run through bash"
    exit 1
fi

mydir=$(dirname $bs)
cd $mydir

branch=$(cat ../../.git/HEAD | cut -d'/' -f 3)
if [[ $branch == 'python-2.4' ]]; then
    . ../../admin-tools/pyenv-older-versions
elif [[ $branch == 'master' ]]; then
    . ../../admin-tools/pyenv-newer-versions
else
    echo &1>2 "Error git branch should either be 'master' or 'python-2.4'; got: '$branch'"
    exit 1
fi

USER=${USER:-rocky}
EMAIL=${EMAIL:-rb@dustyfeet.com}
SUBJECT_PREFIX="stdlib unit testing for"
export BATCH=1

typeset -i RUN_STARTTIME=$(date +%s)

actual_versions=""
DEBUG=""  # -x

for VERSION in $PYVERSIONS ; do
    typeset -i rc=0
    LOGFILE=/tmp/runtests-$VERSION-$$.log

    case "$VERSION" in
	3.0.1 | 3.1.5 | 3.2.6 | 3.8.1 )
	    continue
	    ;;
    esac
    actual_versions="$actual_versions $VERSION"

    if ! pyenv local $VERSION ; then
	rc=1
    else
      STOP_ONERROR=1 /bin/bash $DEBUG ./runtests.sh  >$LOGFILE 2>&1
      rc=$?

      echo Python Version $(pyenv local) >> $LOGFILE
      echo "" >>$LOGFILE
      typeset -i ALL_FILES_ENDTIME=$(date +%s)
      (( time_diff =  ALL_FILES_ENDTIME - ALL_FILES_STARTTIME))
      displaytime $time_diff >> $LOGFILE
    fi

    SUBJECT_PREFIX="runtests verify for"
    if ((rc == 0)); then
	actual_versions="$actual_versions ok;"
	tail -v $LOGFILE | mail -s "$SUBJECT_PREFIX $VERSION ok" ${USER}@localhost
    else
	actual_versions="$actual_versions failed;"
	tail -v $LOGFILE | mail -s "$SUBJECT_PREFIX $VERSION not ok" ${USER}@localhost
	tail -v $LOGFILE | mail -s "$HOST $SUBJECT_PREFIX $VERSION not ok" $EMAIL
    fi
done

typeset -i RUN_ENDTIME=$(date +%s)
(( time_diff =  RUN_ENDTIME - RUN_STARTTIME))
elapsed_time=$(displaytime $time_diff)
echo "Run complete $elapsed_time for versions $actual_versions" | mail -s "$HOST runtests in $elapsed_time" ${EMAIL}