#!/usr/bin/env bash
# ═══════════════════════════════════════════════════════════════
# 一键同步上游 Rainytoken 更新到二开分支
# 用法: ./scripts/sync-upstream.sh [分支名]   （默认 dev）
# 流程: fetch origin/main → checkout dev → rebase → assembleDebug
# ═══════════════════════════════════════════════════════════════
set -uo pipefail
cd "$(dirname "$0")/.."

BRANCH="${1:-dev}"
REMOTE="origin"

echo "== [1/5] fetch 上游 main =="
git -c http.proxy= -c https.proxy= fetch "$REMOTE" main || { echo "!! fetch 失败（检查网络/代理）"; exit 1; }

echo "== [2/5] 确保分支 $BRANCH 存在并切过去 =="
if ! git show-ref --verify --quiet "refs/heads/$BRANCH"; then
  echo "!! 本地分支 $BRANCH 不存在。若二开工作区尚未提交，请先手动 commit 到 $BRANCH。"
  exit 1
fi
git checkout "$BRANCH" || exit 1

echo "== [3/5] rebase 到 origin/main =="
if ! git rebase origin/main; then
  echo ""
  echo "!! 存在冲突。解决方式："
  echo "   1) 打开冲突文件手动解决（参考 docs/UPSTREAM-SYNC.md §3 已知冲突面）"
  echo "   2) git add <冲突文件>"
  echo "   3) git rebase --continue"
  exit 1
fi

echo "== [4/5] 编译验证 =="
if command -v cmd >/dev/null 2>&1; then
  CI=true ./gradlew.bat :app:assembleDebug || { echo "!! 编译失败"; exit 1; }
else
  CI=true ./gradlew :app:assembleDebug || { echo "!! 编译失败"; exit 1; }
fi

echo "== [5/5] 完成。最近 5 条提交： =="
git log --oneline -5
echo ""
echo "✅ 同步完成。如需推送手机验证："
echo "   adb install -r app/build/outputs/apk/debug/app-debug.apk"