#!/usr/bin/env bash
# smoke-test.sh — OSVauco OPAX røyktest
# Kjør fra Cloud Shell etter deploy:
#   bash scripts/smoke-test.sh
#
# Forutsetning: gcloud-innlogget med tilgang til prosjektet.

set -euo pipefail

URL="${OPAX_URL:-https://osvauco-agent-zjbqp3prqq-uc.a.run.app}"

# Hent token fra metadata-server (Cloud Build / VM) med riktig audience
# Fallback til gcloud ved lokal kjøring
TOKEN=$(curl -sf -H "Metadata-Flavor: Google" \
  "http://metadata.google.internal/computeMetadata/v1/instance/service-accounts/default/identity?audience=${URL}&format=full" 2>/dev/null) \
  || TOKEN=$(gcloud auth print-identity-token 2>/dev/null) \
  || { echo "❌ Kunne ikke hente identity token"; exit 1; }

H_AUTH="Authorization: Bearer $TOKEN"
H_JSON="Content-Type: application/json"

PASS=0
FAIL=0

check() {
  local label="$1"
  local expected_http="$2"
  local body="$3"
  local endpoint="$4"

  http_code=$(curl -s -o /tmp/smoke_resp.json -w "%{http_code}" \
    -X POST \
    -H "$H_AUTH" \
    -H "$H_JSON" \
    -d "$body" \
    "${URL}${endpoint}")

  resp=$(cat /tmp/smoke_resp.json)

  if [[ "$http_code" == "$expected_http" ]]; then
    echo "✅ [$http_code] $label"
    echo "   └ $(echo "$resp" | head -c 120)"
    PASS=$((PASS+1))
  else
    echo "❌ [$http_code] $label (forventet $expected_http)"
    echo "   └ $resp"
    FAIL=$((FAIL+1))
  fi
}

check_get() {
  local label="$1"
  local expected_http="$2"
  local endpoint="$3"

  http_code=$(curl -s -o /tmp/smoke_resp.json -w "%{http_code}" \
    -H "$H_AUTH" \
    "${URL}${endpoint}")

  resp=$(cat /tmp/smoke_resp.json)

  if [[ "$http_code" == "$expected_http" ]]; then
    echo "✅ [$http_code] $label"
    echo "   └ $(echo "$resp" | head -c 120)"
    PASS=$((PASS+1))
  else
    echo "❌ [$http_code] $label (forventet $expected_http)"
    echo "   └ $resp"
    FAIL=$((FAIL+1))
  fi
}

echo "======================================"
echo " OSVauco OPAX RØYKTEST"
echo " URL: $URL"
echo "======================================"
echo ""

# 1. Health
check_get "GET /health" 200 "/health"

# 2. /run basis
check "POST /run" 200 \
  '{"message": "Hva er OPAX?", "user_id": "opax", "session_id": "smoke-test"}' "/run"

echo ""
echo "======================================"
echo " RESULTAT: ✅ $PASS bestod | ❌ $FAIL feilet"
echo "======================================"

[[ $FAIL -eq 0 ]] && exit 0 || exit 1