#!/usr/bin/env bash
set -euo pipefail

CIRCLECI_FOLDER="${BASH_SOURCE[0]%/*}"
cd $CIRCLECI_FOLDER
CIRCLECI_FOLDER="$PWD"

SERVER_ROOT="$CIRCLECI_FOLDER/../server"

i=1
echoInfo() {
	echo -e "\033[36m$i. $*\033[0m"
	i=$((i + 1))
}

fail_if_port_busy() {
	local PORT=$1
	if nc -z localhost $PORT; then
		echo "Port $PORT is busy. Exiting"
		exit 1
	fi
}

wait_for_port() {
	local PORT=$1
	echo "waiting for $PORT"
	for _ in $(seq 1 30); do
		nc -z localhost $PORT && echo "port $PORT is ready" && return
		echo -n .
		sleep 0.2
	done
	echo "Failed waiting for $PORT" && exit 1
}

test_export_metadata_with_access_key() {
	curl -f -d'{"type" : "export_metadata", "args" : {} }' localhost:8080/v1/query -H "X-Hasura-Access-Key: $1" >/dev/null
}

cd $SERVER_ROOT

if [ -z "${HASURA_GRAPHQL_DATABASE_URL:-}" ]; then
	echo "Env var HASURA_GRAPHQL_DATABASE_URL is not set"
	exit 1
fi

if ! stack --allow-different-user exec -- which graphql-engine >/dev/null && [ -z "${GRAPHQL_ENGINE:-}" ]; then
	echo "Do 'stack build' before tests, or export the location of executable in the GRAPHQL_ENGINE envirnoment variable"
	exit 1
fi

GRAPHQL_ENGINE=${GRAPHQL_ENGINE:-"$(stack --allow-different-user exec -- which graphql-engine)"}
if ! [ -x "$GRAPHQL_ENGINE" ]; then
	echo "$GRAPHQL_ENGINE is not present or is not an executable"
	exit 1
fi

HGE_PID=""

run_hge_with_flags() {
	fail_if_port_busy 8080
	set -x
	stdbuf -o0 "$GRAPHQL_ENGINE" serve $* >"$OUTPUT_FOLDER/graphql-engine.log" &
	HGE_PID=$!
	set +x
	wait_for_port 8080
}

kill_hge() {
	kill -s INT $HGE_PID || true
	wait $HGE_PID || true
}

trap kill_hge ERR
trap kill_hge INT

OUTPUT_FOLDER=${OUTPUT_FOLDER:-"$CIRCLECI_FOLDER/test-server-flags-output"}
mkdir -p "$OUTPUT_FOLDER"

################### Test deprecated flag --access-key

key="HGE$RANDOM$RANDOM"

run_hge_with_flags --access-key="$key"

echoInfo "Test deprecated flag --access-key=XXXX"
grep -F '"admin_secret_set":true' "$OUTPUT_FOLDER/graphql-engine.log" >/dev/null
test_export_metadata_with_access_key "$key"

kill_hge

################## Test deprecated EnvVar HASURA_GRAPHQL_ACCESS_KEY=XXXX

key="HGE$RANDOM$RANDOM"

export HASURA_GRAPHQL_ACCESS_KEY="$key"

run_hge_with_flags

echoInfo "Test deprecated EnvVar HASURA_GRAPHQL_ACCESS_KEY=XXXX"
grep -F '"admin_secret_set":true' "$OUTPUT_FOLDER/graphql-engine.log" >/dev/null || (cat "$OUTPUT_FOLDER/graphql-engine.log" && false)
test_export_metadata_with_access_key "$key"

kill_hge

unset $HASURA_GRAPHQL_ACCESS_KEY