#!/usr/bin/env bash

set -euo pipefail

# Regression test: config keys containing hyphens must be normalized to
# shell-safe variable names instead of crashing with "invalid variable name".

SCRIPT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
KNOE_HOME=$(cd "$SCRIPT_DIR/../.." && pwd)

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

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

cat >"$BIN_DIR/kubectl" <<'EOF'
#!/usr/bin/env bash
exit 0
EOF
chmod +x "$BIN_DIR/kubectl"

cat >"$BIN_DIR/kubectx" <<'EOF'
#!/usr/bin/env bash
exit 0
EOF
chmod +x "$BIN_DIR/kubectx"

cat >"$BIN_DIR/kubens" <<'EOF'
#!/usr/bin/env bash
exit 0
EOF
chmod +x "$BIN_DIR/kubens"

export PATH="$BIN_DIR:$PATH"

CONF_DIR="$TMP_DIR/conf"
mkdir -p "$CONF_DIR/service"

cat >"$CONF_DIR/service/knoe.cfg" <<EOF
[Global]
DEPLOYMENT_MODE = local
NAMESPACE = test-ns
KNOE_HOME = $KNOE_HOME
KNOE_SERVICE = $TMP_DIR/service
dependencies_gke-gcloud-auth-plugin_install = 1
EOF

ln -snf "service/knoe.cfg" "$CONF_DIR/knoe.cfg"

export KNOE_CONF="$CONF_DIR"
export KNOE_HOME
export KNOE_SERVICE="$TMP_DIR/service"

# shellcheck disable=SC1090
source "$KNOE_HOME/etc/knoe_cfg.sh"

expected="1"
actual="${dependencies_gke_gcloud_auth_plugin_install:-}"
if [[ "$actual" != "$expected" ]]; then
  echo "FAILURE: expected normalized key dependencies_gke_gcloud_auth_plugin_install=$expected, got '${actual:-<unset>}'" >&2
  exit 1
fi

echo "SUCCESS"