#!/usr/bin/env bash
# Stage 1 overlay render: contract + helm template of every independently
# rollable values file. Does not contact the cluster.
set -euo pipefail
cd "$(dirname "${BASH_SOURCE[0]}")/.."

python3 tests/validate_app_toml.py

for values in values/stage1.yaml values/stage2-canary.yaml values/stage3-production.yaml \
              values/user-engine.yaml values/tenant-engine.yaml values/ops-warden.yaml; do
  echo "helm template ${values}"
  helm template flex-auth charts/flex-auth -f "${values}" --namespace flex-auth >/dev/null
done

user_render="$(helm template flex-auth-user-engine charts/flex-auth -f values/user-engine.yaml --namespace flex-auth)"
echo "$user_render" | grep -q -- '--caller-auth-mode' || { echo "user-engine render omits caller-auth-mode" >&2; exit 1; }
echo "$user_render" | grep -A1 -- '--caller-auth-mode' | grep -Eq 'warn|enforce' \
  || { echo "user-engine caller-auth-mode must be warn or enforce" >&2; exit 1; }
echo "$user_render" | grep -q tokenreviews || { echo "user-engine render omits TokenReview RBAC" >&2; exit 1; }
echo "$user_render" | grep -q flex-auth-reviewer || { echo "user-engine render omits reviewer projection" >&2; exit 1; }

tenant_render="$(helm template flex-auth-tenant-engine charts/flex-auth -f values/tenant-engine.yaml --namespace flex-auth)"
echo "$tenant_render" | grep -A1 -- '--caller-auth-mode' | grep -Eq 'warn|enforce' \
  || { echo "tenant-engine caller-auth-mode must be warn or enforce" >&2; exit 1; }
echo "$tenant_render" | grep -q 'tenant-engine=system:serviceaccount:tenant-engine:tenant-engine' \
  || { echo "tenant-engine render omits its exact binding" >&2; exit 1; }

ops_render="$(helm template flex-auth-ops-warden charts/flex-auth -f values/ops-warden.yaml --namespace flex-auth)"
echo "$ops_render" | grep -A1 -- '--caller-auth-mode' | grep -Eq 'warn|enforce' \
  || { echo "ops-warden caller-auth-mode must be warn or enforce" >&2; exit 1; }
echo "$ops_render" | grep -q 'ops-warden=system:serviceaccount:ops-warden:ops-warden' \
  || { echo "ops-warden render omits its exact binding" >&2; exit 1; }
echo "$ops_render" | grep -q production_registry_snapshot.json \
  || { echo "ops-warden render omits the production registry" >&2; exit 1; }

canary_render="$(helm template flex-auth-canary charts/flex-auth -f values/stage2-canary.yaml --namespace flex-auth)"
if echo "$canary_render" | grep -q tokenreviews; then
  echo "isolated canary must not create TokenReview RBAC" >&2
  exit 1
fi

echo "stage1 overlay render ok"