#!/bin/sh

# Server health check script
# Checks if the GraphQL server is responding with a proper health query

# Default values
SERVER_PORT=${SERVER_PORT:-3000}
HEALTH_QUERY='{"query":"query HealthCheck { __typename }"}'

# Check if the GraphQL server is responding
if ! curl -f -s \
  --request POST \
  --header "Content-Type: application/json" \
  --data "$HEALTH_QUERY" \
  "http://localhost:${SERVER_PORT}/graphql" > /dev/null; then
  echo "GraphQL server not responding on port ${SERVER_PORT}"
  exit 1
fi

# Check if the response contains expected GraphQL structure
RESPONSE=$(curl -s \
  --request POST \
  --header "Content-Type: application/json" \
  --data "$HEALTH_QUERY" \
  "http://localhost:${SERVER_PORT}/graphql")

if ! echo "$RESPONSE" | grep -q '"data"'; then
  echo "GraphQL server not returning valid response"
  echo "Response: $RESPONSE"
  exit 1
fi

echo "Server health check passed"
exit 0