#!/usr/bin/env bash
# Wrapper used by the LaunchAgent. On every (re)start:
#   1. Pull latest source from git (if remote is reachable)
#   2. Rebuild the release binary
#   3. Exec the new binary
#
# This ensures the service always runs the latest code after a restart,
# eliminating drift between the checked-out source and the running binary.

set -e
cd "$(dirname "$0")/.."
ROOT="$(pwd)"
LOG="${ROOT}/logs/launch-wrapper.log"
mkdir -p "${ROOT}/logs"

log() { echo "[$(date '+%Y-%m-%d %H:%M:%S')] $*" >> "$LOG"; }

log "=== launch-wrapper starting ==="

# Pull latest (best-effort; offline is fine)
if git pull --ff-only origin master >> "$LOG" 2>&1; then
    log "git pull succeeded"
else
    log "git pull skipped (offline or conflict)"
fi

# Rebuild
log "building release binary..."
if cargo build --release >> "$LOG" 2>&1; then
    log "build succeeded"
else
    log "ERROR: build failed, running existing binary"
fi

log "exec camera-qrng"
exec "${ROOT}/target/release/camera-qrng"