#!/usr/bin/env bash
set -euo pipefail
export LC_ALL=C

boot_raw="$(sysctl -n kern.boottime)"
boot_epoch="$(printf '%s\n' "$boot_raw" | sed -E 's/^\{ sec = ([0-9]+),.*/\1/')"
if [[ ! "$boot_epoch" =~ ^[0-9]+$ ]]; then
  echo "BLOCKER darwin_boot_epoch_unavailable"
  exit 65
fi

now_epoch="$(date +%s)"
uptime_seconds=$((now_epoch - boot_epoch))
if (( uptime_seconds < 0 )); then
  echo "BLOCKER darwin_uptime_invalid"
  exit 65
fi

uid="$(id -u)"
launch_label="com.momo.ollama111-allow-proxy"
if launchctl print "gui/${uid}/${launch_label}" >/dev/null 2>&1; then
  startup_enabled="enabled"
else
  startup_enabled="unknown"
fi

if curl --max-time 2 -fsS http://127.0.0.1:11434/api/tags >/dev/null 2>&1; then
  startup_active="active"
else
  startup_active="inactive"
fi

logical_cores="$(sysctl -n hw.logicalcpu 2>/dev/null || true)"
load1="$(sysctl -n vm.loadavg 2>/dev/null | awk '{ print $2; exit }')"
mem_available_percent="$(memory_pressure -Q 2>/dev/null | awk -F': ' '
  /System-wide memory free percentage/ {
    value = $2
    gsub(/%/, "", value)
    print value
    exit
  }
')"
disk_used_percent="$(df -Pk / 2>/dev/null | awk '
  NR == 2 {
    value = $5
    gsub(/%/, "", value)
    print value
    exit
  }
')"

if [[ ! "$logical_cores" =~ ^[0-9]+$ ]] || (( logical_cores < 1 )) ||
   [[ ! "$load1" =~ ^[0-9]+([.][0-9]+)?$ ]] ||
   [[ ! "$mem_available_percent" =~ ^[0-9]+([.][0-9]+)?$ ]] ||
   [[ ! "$disk_used_percent" =~ ^[0-9]+([.][0-9]+)?$ ]]; then
  echo "BLOCKER darwin_perf_readback_unavailable"
  exit 65
fi

printf 'boot_id=darwin_%s uptime_seconds=%s systemd_state=darwin_ssh startup_enabled=%s startup_active=%s\n' \
  "$boot_epoch" "$uptime_seconds" "$startup_enabled" "$startup_active"
printf 'perf_schema=agent99_perf_readback_v1 os=darwin cores=%s load1=%s mem_available_percent=%s disk_used_percent=%s\n' \
  "$logical_cores" "$load1" "$mem_available_percent" "$disk_used_percent"