#!/usr/bin/env bash
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
source "$SCRIPT_DIR/../harness/helpers.sh"
source "$SCRIPT_DIR/../harness/mock-nas.sh"

require_root
setup_test_env
trap teardown_test_env EXIT

# Start the mock NAS
start_mock_nas

# Generate a default config
gen_config

# Start warpgate and wait for full startup
start_warpgate
wait_for_log_line "Supervision active" 60

# Send SIGTERM twice in quick succession — the second signal should
# not cause a crash or panic. The shutdown flag is set on first signal;
# the second should be idempotent.
kill -TERM "$WARPGATE_PID"
sleep 0.5
kill -TERM "$WARPGATE_PID" 2>/dev/null || true

# Wait for the process to exit
wait_for_exit "$WARPGATE_PID" 30

# Verify exit code 0 (no crash from double signal)
wait "$WARPGATE_PID" 2>/dev/null
code=$?
if [[ "$code" -ne 0 ]]; then
    echo "FAIL: expected exit code 0, got $code" >&2
    exit 1
fi

# Verify orderly shutdown occurred
assert_log_contains "Signal received, shutting down"

# Verify the FUSE mount was removed
assert_not_mounted

# Verify no orphan rclone processes remain
assert_no_orphan_rclone

echo "PASS: $(basename "$0" .sh)"