#!/bin/bash

export PGUSER=postgres

DBNAME=crankshaft_compatcheck

function die {
    echo $1
    exit -1
}

# Create fresh DB
psql -c "CREATE DATABASE $DBNAME;" || die "Could not create DB"

# Hook for cleanup
function cleanup {
    psql -c "DROP DATABASE IF EXISTS crankshaft_compatcheck;"
}
trap cleanup EXIT

# Deploy previous release
(cd src/py && sudo make deploy RUN_OPTIONS="--no-deps") || die "Could not deploy python extension"
(cd src/pg && sudo make deploy) || die " Could not deploy last release"
psql -c "SELECT * FROM pg_available_extension_versions WHERE name LIKE 'crankshaft';"

# Install in the fresh DB
psql $DBNAME <<'EOF'
-- Install dependencies
CREATE EXTENSION plpythonu;
CREATE EXTENSION postgis VERSION '2.2.2';

-- Create role publicuser if it does not exist
DO
$$
BEGIN
   IF NOT EXISTS (
      SELECT *
      FROM   pg_catalog.pg_user
      WHERE  usename = 'publicuser') THEN

      CREATE ROLE publicuser LOGIN;
   END IF;
END
$$ LANGUAGE plpgsql;

-- Install the default version
CREATE EXTENSION crankshaft;
\dx
EOF

# TODO save public functions and signatures

# Deploy current dev branch
make clean-dev || die "Could not clean dev files"
sudo make install || die "Could not deploy current dev branch"

# Check it can be upgraded
psql $DBNAME -c "ALTER EXTENSION crankshaft update to 'dev';" || die "Cannot upgrade to dev version"



# TODO check against saved public functions and signatures