#!/bin/bash

# Stop on error
set -e

# Move to base directory
pushd "$(git rev-parse --show-toplevel)" > /dev/null

# Clean any directory only containing phpunit.xml
# sure it was created for another branch and does
# not exist in current one.
candidates=$(find . -name phpunit.xml -not -path "./vendor/*" | xargs dirname | sort -r)
for candidate in ${candidates}; do
    numfiles=$(ls -1 ${candidate} | wc -l)
    if [[ ${numfiles} -eq 1 ]]; then
        echo "Deleting empty ${candidate}"
        rm -fr ${candidate}
        # if that leads to an empty parent, delete it too
        parent=$(dirname ${candidate})
        numfiles=$(ls -1 ${parent} | wc -l)
        if [[ ${numfiles} -eq 0 ]]; then
            echo "Deleting empty ${parent}"
            rm -fr ${parent}
        fi
    fi
done

# Similar, only 4.0 and up have admin/tool/componentlibrary and we are leaving there
# some files (docs, hugo...) that make things break when version.php is searched. Clean
# it if missing version.php
if [[ ! -f admin/tool/componentlibrary/version.php ]]; then
    rm -fr admin/tool/componentlibrary
fi

# Init and enable all the behat tests
# no password is required because (sudo visudo) has, AFTER the admin entries!:
# (or also in a /etc/sudoers.d/stronk7_as_www file, to make it persistent - else it's gone on every upgrade)
# stronk7 ALL=(_www) NOPASSWD: ALL
# (allow to run everything as _www without password to stronk7)
#sudo -u _www /opt/local/bin/php composer.phar update
parallel=
drop=
accessibility=
optimize="--optimize-runs=@javascript"
if [[ -n ${1} ]]; then
    # First, look for the (d)rop option
    if [[ "${1}" == "d" ]] || [[ "${1}" == "drop" ]]; then
        drop=1
    fi
    if [[ "${1}" == "a" ]] || [[ "${1}" == "accessibility" ]]; then
        accessibility="--axe"
    else
        parallel="--parallel=${1}"
    fi
fi
if [[ "${2}" == "a" ]] || [[ "${2}" == "accessibility" ]]; then
    accessibility="--axe"
fi
if [[ -n ${3} ]]; then
    optimize="--optimize-runs=${3}"
fi
if [[ -n ${drop} ]]; then
    sudo -u _www /opt/local/bin/php admin/tool/behat/cli/util.php --drop
else
    sudo -u _www /opt/local/bin/php admin/tool/behat/cli/init.php ${parallel} ${optimize} ${accessibility} -a
fi

# Move back to original directory
popd > /dev/null

# Some information to avoid forgetting it
echo
echo "And, if you're using moodle-browser-config, profiles must be any of:"
echo "    -[headless]chrome|firefox|edge|safari  => to run with selenium"
echo "    -[headless]chromedriver|gecko|edgedriver|safaridriver => to run straight without selenium"
echo
echo "NOTE: When using remote browsers @_file_upload must be excluded because they don't have access to them locally."
echo
echo "Ensure CFG->behat_wwwroot, behat_prefix and behat_dataroot are set. And the site is accesible over http."
echo
echo "If you get, for behat runs:"
echo "  Behat requirement not satisfied: http://.... is not available...."
echo "  Exit codes for each behat run:"
echo "  behatrun1: 251"
echo "  behatrun2: 251"
echo "  then verify that the directory being served (maybe userdir) has -SymLinksIfOwnerMatch (aka, disabled)"
echo "  (if it's enabled... then it may not work if dir owner and link owner are different)"
echo "  Link: https://unix.stackexchange.com/questions/20993/symbolic-link-not-allowed-or-link-target-not-accessible-apache-on-centos-6"
echo
echo "Use this (@ dirroot) to launch the selenium server (needed for use of ONE - and only one - browser, no hub)"
echo "  java -Dwebdriver.chrome.driver=/Users/stronk7/bin/chromedriver \\"
echo "  -Dwebdriver.gecko.driver=/Users/stronk7/bin/geckodriver \\"
echo "  -Dwebdriver.edge.driver=/Users/stronk7/bin/msedgedriver \\"
echo "  -Djava.net.preferIPv4Stack=true \\"
echo "  -jar /Users/stronk7/bin/selenium-server-standalone.jar \\"
echo "  -timeout 86400 -port 8668"
echo
echo "If running without selenium, you'll have to start the xxxdriver instead of selenium"
echo