#!/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

# Create large test files on the NAS to make warmup take time
for i in $(seq 1 10); do
    create_test_file "warmup/file-${i}.dat" 1024
done

# Generate config with auto-warmup enabled and a rule matching our files
gen_config warmup_auto=true \
    "warmup.rules=[[warmup.rules]]
path = \"warmup/\""

# Start warpgate and wait for warmup to begin
start_warpgate
wait_for_log_line "Running auto-warmup" 60

# Immediately send SIGTERM to interrupt warmup
kill -TERM "$WARPGATE_PID"

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

# Verify clean exit — signal handler should stop warmup and proceed
# through orderly shutdown
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)"