#!/bin/bash
# 「风扇座落位 + 补线」联合扫描的服务器入口（CLAUDE.md：布线搜索一律上 10.5.5.13）。
#
#   bash .claude/r2/remote_fan_scan.sh              # 扫 _base_fan_cands.json 里的全部候选
#   SCAN_LIMIT=40 bash .claude/r2/remote_fan_scan.sh   # 只扫前 40 个（先探路）
#
# 前置：本机已生成 _base_fan_input.json（板上现有铜）+ _base_fan_cands.json（几何可行的落位对）。
# 回来的是 _base_fan_scan.json：最优落位 + 它那一版的完整补线段 / 孔。
set -euo pipefail

SERVER="${SERVER:-10.5.5.13}"
INTERP="${INTERP:-/root/pypy/bin/pypy3}"
SSH="${SSH:-/c/Windows/System32/OpenSSH/ssh.exe}"
SCP="${SCP:-/c/Windows/System32/OpenSSH/scp.exe}"
SCAN_LIMIT="${SCAN_LIMIT:-0}"

HERE="$(cd "$(dirname "$0")" && pwd)"
REPO="$(cd "$HERE/../.." && pwd)"
for f in _base_fan_input.json _base_fan_cands.json; do
  [ -f "$HERE/$f" ] || { echo "⛔ 缺 $f" >&2; exit 1; }
done

ARCHIVE="$(mktemp -t dcdc-fanscan-XXXXXX)"
cd "$REPO"
tar --exclude='*.png' --exclude='*.bak' --exclude=__pycache__ --exclude='_remote_route.tgz' \
    -czf "$ARCHIVE" .claude/r2 .claude/eda.py .claude/pcb_pour.py .claude/eda-parts.json

REMOTE="$("$SSH" "$SERVER" 'mktemp -d /tmp/dcdc-fanscan.XXXXXX' | tr -d '\r\n')"
case "$REMOTE" in
  /tmp/dcdc-fanscan.*) ;;
  *) echo "⛔ 远端工作目录不对: $REMOTE" >&2; rm -f "$ARCHIVE"; exit 1 ;;
esac
cleanup() { rm -f "$ARCHIVE"; "$SSH" "$SERVER" "rm -rf -- '$REMOTE'" >/dev/null 2>&1 || true; }
trap cleanup EXIT

"$SCP" -q "$ARCHIVE" "$SERVER:$REMOTE/bundle.tgz"
"$SSH" "$SERVER" "tar -xzf '$REMOTE/bundle.tgz' -C '$REMOTE'"
echo "== 服务器 $SERVER 上扫落位 =="
"$SSH" "$SERVER" "cd '$REMOTE' && DCDC_ROUTE_SERVER=1 SCAN_LIMIT=$SCAN_LIMIT \
    /usr/bin/time -f 'REMOTE_TIME=%e sec CPU=%P RSS=%M KB' $INTERP .claude/r2/fan_scan.py"
"$SCP" -q "$SERVER:$REMOTE/.claude/r2/_base_fan_scan.json" "$HERE/_base_fan_scan.json"
echo "已取回 $HERE/_base_fan_scan.json"