#!/usr/bin/env bash
# Regression test: init_cloudnative_pg.sh should bootstrap-generate CNPG admin keys
# when OpenBao is unavailable and no local admin key files exist.

set -euo pipefail

SCRIPT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
KNOE_HOME=$(cd "$SCRIPT_DIR/../.." && pwd)
ETC_DIR="$KNOE_HOME/etc"
SCRIPT_UNDER_TEST="$ETC_DIR/init_cloudnative_pg.sh"

TMP_DIR=$(mktemp -d)
trap 'rm -rf "$TMP_DIR"' EXIT
export TMP_DIR

BIN_DIR="$TMP_DIR/bin"
mkdir -p "$BIN_DIR"

mock_tool() {
  cat <<M_EOF >"$BIN_DIR/$1"
#!/usr/bin/env bash
echo "Mocked $1 called with \$@" >>"$TMP_DIR/mock_calls.log"
exit 0
M_EOF
  chmod +x "$BIN_DIR/$1"
}

# Custom kubectl mock: return minimal outputs so initialize() doesn't hang.
cat <<'K_EOF' >"$BIN_DIR/kubectl"
#!/usr/bin/env bash

_log_file="${TMP_DIR}/mock_calls.log"
echo "Mocked kubectl called with $@" >>"${_log_file}"

args="$*"

# API server readiness probes used by wait_for_apiserver_ready()
if [[ "${args}" == *"get --raw=/readyz"* || "${args}" == *"get --raw='/readyz'"* || "${args}" == *"get --raw=\"/readyz\""* ]]; then
  echo "ok"
  exit 0
fi

if [[ "${args}" == *"version --short"* ]]; then
  echo "Client Version: v0.0.0"
  echo "Server Version: v0.0.0"
  exit 0
fi

# Simulate kubectl-cnpg plugin being present, but psql connectivity not yet ready.
if [[ "${args}" == *"cnpg"*"version"* ]]; then
  exit 0
fi
if [[ "${args}" == *"cnpg"*"psql"* ]]; then
  exit 1
fi

# Pretend required secrets exist (DB user + TLS artifacts)
if [[ "${args}" == *"get secret"*"knoe-db-user"* ]]; then
  exit 0
fi
if [[ "${args}" == *"get secret"*"knoe-db-tls"* || "${args}" == *"get secret"*"knoe-db-ca"* ]]; then
  exit 0
fi

# CNPG webhook wait: return an endpoint IP so wait passes quickly.
if [[ "${args}" == *"get endpoints"*"cnpg-webhook-service"* ]]; then
  echo "10.42.0.10"
  exit 0
fi

# Avoid barman plugin waits (strict readiness now includes service registration)
if [[ "${args}" == *"get crd"*"objectstores.barmancloud.cnpg.io"* ]]; then
  exit 0
fi
if [[ "${args}" == *"-n cnpg-system"*"get secret"*"barman-cloud-client-tls"* ]]; then
  exit 0
fi
if [[ "${args}" == *"-n cnpg-system"*"get secret"*"barman-cloud-server-tls"* ]]; then
  exit 0
fi
if [[ "${args}" == *"-n cnpg-system"*"get deploy"*"barman-cloud"* ]]; then
  exit 0
fi
if [[ "${args}" == *"-n cnpg-system"*"rollout status"*"deploy/barman-cloud"* ]]; then
  exit 0
fi
if [[ "${args}" == *"-n cnpg-system"*"get svc"*"-l cnpg.io/pluginName=barman-cloud.cloudnative-pg.io"*"-o jsonpath="*"metadata.name"* ]]; then
  echo "barman-cloud"
  exit 0
fi
if [[ "${args}" == *"-n cnpg-system"*"get svc barman-cloud"*"-o jsonpath="*"metadata.name"* ]]; then
  echo "barman-cloud"
  exit 0
fi
if [[ "${args}" == *"-n cnpg-system"*"get svc barman-cloud"*"pluginClientSecret"* ]]; then
  echo "barman-cloud-client-tls"
  exit 0
fi
if [[ "${args}" == *"-n cnpg-system"*"get svc barman-cloud"*"pluginServerSecret"* ]]; then
  echo "barman-cloud-server-tls"
  exit 0
fi
if [[ "${args}" == *"-n cnpg-system"*"get svc barman-cloud"*"pluginPort"* ]]; then
  echo "9090"
  exit 0
fi
if [[ "${args}" == *"-n cnpg-system"*"get endpoints barman-cloud"* ]]; then
  echo "10.42.0.11"
  exit 0
fi

# CNPG pods listing and readiness queries
if [[ "${args}" == *"get pods"* && "${args}" == *"cnpg.io/cluster="* ]]; then
  if [[ "${args}" == *"--no-headers"* ]]; then
    echo "knoe-db-1  1/1  Running  0  1m"
    echo "knoe-db-2  1/1  Running  0  1m"
    echo "knoe-db-3  1/1  Running  0  1m"
    exit 0
  fi

  if [[ "${args}" == *"-o jsonpath="* ]]; then
    printf "True\nTrue\nTrue\n"
    exit 0
  fi
fi

# Cluster instances
if [[ "${args}" == *"get cluster"*"jsonpath="*".spec.instances"* ]]; then
  echo "3"
  exit 0
fi

# For kubectl create secret --dry-run=client -o yaml, emit a minimal YAML so pipes look realistic.
if [[ "${args}" == *"create secret"*"--dry-run=client"*"-o yaml"* ]]; then
  echo "apiVersion: v1"
  echo "kind: Secret"
  exit 0
fi

exit 0
K_EOF
chmod +x "$BIN_DIR/kubectl"

# Other tool mocks
mock_tool curl
mock_tool docker
mock_tool k3d
mock_tool skopeo
mock_tool jq

# Mock knoe.cfg: point KNOE_SERVICE at a non-writable dir so the script must fallback to HOME
mkdir -p "$TMP_DIR/conf"
mkdir -p "$TMP_DIR/service"
chmod 0500 "$TMP_DIR/service" || true

TMP_HOME="$TMP_DIR/home"
mkdir -p "$TMP_HOME"

cat <<C_EOF >"$TMP_DIR/conf/knoe.cfg"
[User]
NAMESPACE = test-ns
SERVICE_NAMESPACE = test-system
KNOE_HOME = $KNOE_HOME
KNOE_SERVICE = $TMP_DIR/service

[Global]
DEPLOYMENT_MODE = k3d
KUBECONTEXT = test

[Docker Build]
LOCAL_REGISTRY = localhost:5000
LOCAL_REGISTRY_INTERNAL = k3d-knoe-registry.localhost:5000
C_EOF

export PATH="$BIN_DIR:$PATH"
export HOME="$TMP_HOME"
export KNOE_HOME="$KNOE_HOME"
export KNOE_CONF="$TMP_DIR/conf"
export PROLE_PASSWD="test-password"
export KNOE_SERVICE="$TMP_DIR/service"
export CNPG_WAIT_TIMEOUT=5

set +e
bash "$SCRIPT_UNDER_TEST" --mode k3d initialize >"$TMP_DIR/stdout" 2>"$TMP_DIR/stderr"
RC=$?
set -e

if [[ $RC -ne 0 ]]; then
  echo "FAILURE: init_cloudnative_pg.sh initialize returned rc=$RC"
  echo "--- stdout ---"
  sed -n '1,200p' "$TMP_DIR/stdout" || true
  echo "--- stderr ---"
  sed -n '1,200p' "$TMP_DIR/stderr" || true
  exit 1
fi

SECRETS_DIR_FALLBACK="$TMP_HOME/.knoe/etc/secrets"
if [[ ! -f "$SECRETS_DIR_FALLBACK/admin.key" || ! -f "$SECRETS_DIR_FALLBACK/admin.pub" ]]; then
  echo "FAILURE: expected bootstrap-generated admin.key/admin.pub in fallback secrets dir: $SECRETS_DIR_FALLBACK"
  ls -la "$SECRETS_DIR_FALLBACK" 2>/dev/null || true
  exit 1
fi

if [[ ! -f "$SECRETS_DIR_FALLBACK/admin_ed25519.key" || ! -f "$SECRETS_DIR_FALLBACK/admin_ed25519.pub" ]]; then
  echo "FAILURE: expected legacy-mirrored admin_ed25519.key/.pub in fallback secrets dir: $SECRETS_DIR_FALLBACK"
  ls -la "$SECRETS_DIR_FALLBACK" 2>/dev/null || true
  exit 1
fi

echo "SUCCESS"