#!/bin/bash

# * The way .travis.yml is fed to the command controller is idiotic - it
# makes using multiline `bash -c` statements impossible. Therefore to
# aid readability (our travis logic is rather complex), the bulk of
# functionality is moved to a script. More about the problem here:
# https://github.com/travis-ci/travis-ci/issues/497

set -e

if [[ "$TRAVIS" != "true" ]] ; then
  echo "Running this script makes no sense outside of travis-ci"
  exit 1
fi

#
# Current dir is the root of the DBIC checkout (make sure to
# come back there if moving around before end of this script)
#
# envvars available for us:
#
# NUMTHREADS = { number}
#   dynamically determined amount of threads we want to run on this
#   smoker concurrently
#
# CLEANTEST = [ true | false ]
#   controls whether we simulate a "user-side" install experience
#   that is - no author deps and no M::I installation
#
# BREWVER = { tripple dotted perl version, e.g. 5.8.3 }
#   brew a custom perl version such and such
#
# BREWOPTS = { string to be fed unquoted to perlbrew, e.g. -Duseithreads }
#   build options for perlbrew
#

if [[ -n "$BREWVER" ]] ; then
  perlbrew install --as $BREWVER --notest $BREWOPTS -j $NUMTHREADS perl-$BREWVER
  perlbrew use $BREWVER
fi

export PERL_MM_USE_DEFAULT=1 PERL_MM_NONINTERACTIVE=1 PERL_AUTOINSTALL_PREFER_CPAN=1

# configure CPAN.pm - older versions get tickled by M::AI and
# go into an endless loop when trying to autoconf themselves
perl -e '
  require CPAN;
  require CPAN::FirstTime;
  *CPAN::FirstTime::conf_sites = sub {};
  CPAN::Config->load;
  $CPAN::Config->{urllist} = [ "http://cpan.cpantesters.org/" ];
  CPAN::Config->commit;
' &> /dev/null

# if this won't be a CLEANTEST (i.e. no deps) - run basic tests using SQLT
# and set up whatever databases necessary
if [[ "$CLEANTEST" != "true" ]]; then
  # extra debian stuff
  sudo apt-get -y install memcached firebird2.5-super
  echo -e '\v'
  echo

  export DBICTEST_SQLT_DEPLOY=1

  # memcached
  export DBICTEST_MEMCACHED=127.0.0.1:11211

  # mysql
  mysql -e 'create database dbic_test;'
  export DBICTEST_MYSQL_DSN='dbi:mysql:database=dbic_test;host=127.0.0.1'
  export DBICTEST_MYSQL_USER=root

  # pg
  psql -c 'create database dbic_test;' -U postgres
  export DBICTEST_PG_DSN='dbi:Pg:database=dbic_test;host=127.0.0.1'
  export DBICTEST_PG_USER=postgres

  # firebird
  sudo perl -pi -e 's/\=no/=yes/' /etc/default/firebird2.5
  sudo /etc/init.d/firebird2.5-super start
  # FIXME: todo
  #sudo gsec -add dbic_test -pw 123
  #export DBICTEST_FIREBIRD_DSN=dbi:Firebird:dbname=/var/lib/firebird/2.5/data/dbic_test
  #export DBICTEST_FIREBIRD_USER=dbic_test
  #export DBICTEST_FIREBIRD_PASS=123
  #export DBICTEST_FIREBIRD_INTERBASE_DSN=dbi:InterBase:dbname=/var/lib/firebird/2.5/data/dbic_test
  #export DBICTEST_FIREBIRD_INTERBASE_USER=dbic_test
  #export DBICTEST_FIREBIRD_INTERBASE_PASS=123

  # oracle
  # FIXME: todo
  #DBICTEST_ORA_DSN=dbi:Oracle:host=localhost;sid=XE
  #DBICTEST_ORA_USER=dbic_test
  #DBICTEST_ORA_PASS=123
  #DBICTEST_ORA_EXTRAUSER_DSN=dbi:Oracle:host=localhost;sid=XE
  #DBICTEST_ORA_EXTRAUSER_USER=dbic_test_extra
  #DBICTEST_ORA_EXTRAUSER_PASS=123
  #ORACLE_HOME=/usr/lib/oracle/xe/app/oracle/product/10.2.0/client
fi

installdeps() {
  if [[ -z "$@" ]] ; then return; fi

  echo -n "Installing $@... "
  # FIXME
  # the --reinstall is here because for some reason e.g. `cpanm Carp` does
  # not install a newer Carp since it already exists on the system
  # investigation pending
  if ! OUT=$( echo "$@" | xargs -n 1 -P $NUMTHREADS cpanm --reinstall --verbose --notest 2>&1 ) ; then
    EX=$?
    echo "FAILED !!!"
    echo "$OUT"
    exit $?
  else
    echo "done."
  fi
}

# Install *hard dep* modules that typically appear in more than one dep
#
# *NEVER* add optional depenencies here - will make CLEANTEST=true smokes useless
#
# do it in several passes to minimize amount of cross-deps installing multiple
# times, and to avoid module re-architecture breaking another install
# (e.g. once Carp is upgraded there's no more Carp::Heavy)
#
installdeps $(cpanm --notest --quiet --showdeps Module::Build)
installdeps Test::Exception Test::Fatal Module::Runtime Carp
installdeps Sub::Name multidimensional namespace::clean Class::XSAccessor MRO::Compat
installdeps DBI Moo Class::Accessor::Grouped

if [[ "$CLEANTEST" = "true" ]]; then
  # get the last inc/ off cpan - we will get rid of MI
  # soon enough, but till then this will do
  # the point is to have a *really* clean perl (the ones
  # we build are guaranteed to be clean, without side
  # effects from travis preinstalls)
  #
  # FIXME - not yet implemented - not sure how to reliably
  # feed to wget this location: http://cpansearch.perl.org/src/GETTY/DBIx-Class-0.08204/inc/
  echo TODOOOO - M::I is not supposed to be installed here - this test is useless now
  installdeps Module::Install
else
  # we will be running all tests, preinstall MOAR stuff
  installdeps Module::Install DateTime::Format::Strptime MooseX::Types JSON::Any Class::DBI
fi

# install the rest
perl Makefile.PL
installdeps $(make listalldeps)

# FIXME - for some reason the above invocation does not upgrade outdated
# core libs - just punt and install the remainder by hand (these run tests)
# This snippet should not be here at all
perl Makefile.PL &> /dev/null
make installdeps

# announce what are we running
perl -V
echo "Using $NUMTHREADS Travis-CI concurrent processes"

# make sure we got everything we need
perl Makefile.PL &> /dev/null
if [[ -n "$(make listdeps)" ]] ; then
  echo "Not all deps installed - something went wrong :("
  make listdeps
  exit 1
fi