#!/bin/sh

set -e

if [ $# -ne 2 ]
then
    echo "Usage: $0 <UNIX-USER> <HOST>"
    exit 1
fi

UNIX_USER="$1"
HOST="$2"
DB_NAME="fixmystreet"

# Check that the arguments we've been passed are sensible:

IP_ADDRESS_FOR_HOST="$(dig +short $HOST)"

if [ x = x"$IP_ADDRESS_FOR_HOST" ]
then
    echo "The hostname $HOST didn't resolve to an IP address"
    exit 1
fi

if ! id "$UNIX_USER" 2> /dev/null > /dev/null
then
    echo "The user '$UNIX_USER' didn't exist."
    echo "(You should have run \"sudo pre-install-as-root '$UNIX_USER' '$HOST'\" before this.)"
    exit 1
fi

if [ "$(whoami)" != "$UNIX_USER" ]
then
    echo "This script should be run by the user '$UNIX_USER'."
    exit 1
fi

FMS_DIRECTORY="/var/www/$HOST"
FMS_REPOSITORY="$FMS_DIRECTORY/fixmystreet"
FMS_LINK_DESTINATION="$HOME/fixmystreet"

ln -sfn "$FMS_REPOSITORY" $FMS_LINK_DESTINATION
cd "$FMS_REPOSITORY"

# Add regularly scheduled tasks to cron:

TEMPORARY_CRONTAB=$(mktemp)

echo crontab file is $TEMPORARY_CRONTAB

cat > $TEMPORARY_CRONTAB <<EOF
# Timed tasks for FixMyStreet.
#
# Copyright (c) 2007 UK Citizens Online Democracy. All rights reserved.
# Email: matthew@mysociety.org. WWW: http://www.mysociety.org/

PATH=/usr/local/bin:/usr/bin:/bin

5,10,15,20,25,30,35,40,45,50,55 * * * * "$FMS_REPOSITORY/commonlib/bin/run-with-lockfile.sh" -n "$FMS_REPOSITORY/send-reports.lock" "$FMS_REPOSITORY/bin/cron-wrapper send-reports" || echo "stalled?"
0 0-8,10,11,13,14,16,17,19-23 * * * "$FMS_REPOSITORY/commonlib/bin/run-with-lockfile.sh" -n "$FMS_DIRECTORY/send-reports.lock" "$FMS_REPOSITORY/bin/cron-wrapper send-reports" || echo "stalled?"
0 9,12,15,18 * * * "$FMS_REPOSITORY/commonlib/bin/run-with-lockfile.sh" -n "$FMS_DIRECTORY/send-reports.lock" "$FMS_REPOSITORY/bin/cron-wrapper send-reports --verbose" || echo "stalled?"
2 * * * * "$FMS_REPOSITORY/commonlib/bin/run-with-lockfile.sh" -n "$FMS_DIRECTORY/send-alerts.lock" "$FMS_REPOSITORY/bin/cron-wrapper send-alerts" || echo "stalled?"
0,30 * * * * "$FMS_REPOSITORY/commonlib/bin/run-with-lockfile.sh" -n "$FMS_DIRECTORY/send-questionnaires.lock" "$FMS_REPOSITORY/bin/cron-wrapper send-questionnaires" || echo "stalled?"
5,10,15,20,25,30,35,40,45,50,55 * * * * "$FMS_REPOSITORY/commonlib/bin/run-with-lockfile.sh" -n "$FMS_DIRECTORY/send-comments.lock" "$FMS_REPOSITORY/bin/cron-wrapper send-comments" || echo "stalled?"
5,10,15,20,25,30,35,40,45,50,55 * * * * "$FMS_REPOSITORY/commonlib/bin/run-with-lockfile.sh" -n "$FMS_DIRECTORY/fetch-comments.lock" "$FMS_REPOSITORY/bin/cron-wrapper fetch-comments" || echo "stalled?"
0,30 * * * * "$FMS_REPOSITORY/commonlib/bin/run-with-lockfile.sh" -n "$FMS_DIRECTORY/open311-populate-service-list.lock" "$FMS_REPOSITORY/bin/cron-wrapper open311-populate-service-list" || echo "stalled?"

# Once an hour, update the all reports stats
13 * * * * "$FMS_REPOSITORY/bin/cron-wrapper" update-all-reports

# Once a day on all servers
39 2 * * * "$FMS_REPOSITORY/bin/problems-filed-graph"
43 2 * * * "$FMS_REPOSITORY/bin/problem-creation-graph"
00 8 * * * "$FMS_REPOSITORY/bin/check-for-zombies" $UNIX_USER

EOF

crontab $TEMPORARY_CRONTAB

# Install the compass gem locally - it's required for generating the
# CSS:

export GEM_HOME="$FMS_DIRECTORY/gems"
mkdir -p "$GEM_HOME"
export GEM_PATH=
export PATH="$GEM_HOME/bin:$PATH"

gem install --no-ri --no-rdoc compass

# Use compass to generate the CSS, if it doesn't seem to already
# exist:

if [ ! -f web/cobrands/default/base.css ]
then
    bin/make_css
fi

# Write sensible values into the config file:

sed -r \
    -e "s,^( *FMS_DB_HOST:).*,\\1 ''," \
    -e "s,^( *FMS_DB_NAME:).*,\\1 '$DB_NAME'," \
    -e "s,^( *FMS_DB_USER:).*,\\1 '$UNIX_USER'," \
    -e "s,^( *BASE_URL:).*,\\1 'http://$HOST'," \
    -e "s,^( *EMAIL_DOMAIN:).*,\\1 '$HOST'," \
    -e "s,^( *CONTACT_EMAIL:).*,\\1 'help@$HOST'," \
    conf/general.yml-example > conf/general.yml

# Install the required Perl modules - this may take a very long time:

cd "$FMS_REPOSITORY"
bin/install_perl_modules

# Generate po and mo files (these invocations taken from Kagee's script):

./bin/cron-wrapper ./bin/make_emptyhomes_po
./bin/cron-wrapper ./bin/make_emptyhomes_welsh_po

commonlib/bin/gettext-makemo FixMyStreet

# Tell the user what to do next:

echo Installation complete - you should now be able to view the site at:
echo   http://$HOST/
echo Or you can run the tests by switching to the "'$UNIX_USER'" user and
echo running: $FMS_REPOSITORY/bin/cron-wrapper prove -r t