@echo off
:: Set UTF-8 encoding
chcp 65001
:: Set window title
title UPM Package Update Tool
:: Set console color
color a

echo 开始提交到git upm....
echo 提交upm前请确保当前分支所有改动都已经提交！

:: Extract version from package.json
for /f "tokens=2 delims=:, " %%i in ('findstr "version" Assets\package.json') do (
    set version=%%i
)
:: Remove quotes
set version=%version:"=%

echo 从package.json中读取的版本号为：%version%

:: Check if tag exists
git tag | findstr "%version%" > nul
if %errorlevel% equ 0 (
    echo 错误：版本号 %version% 对应的tag已存在！
    pause
    exit
)

set /p Flg=确认提交的版本号%version%，是否开始提交(y/n) -------- :

IF "%Flg%" equ "y" (
	echo 开始提交，请勿关闭该窗口！
	
	:: Force switch to master first and ensure clean state
	echo 切换到master分支并清理工作区...
	git checkout -f master
	git reset --hard HEAD
	git clean -fd
	
	:: Verify Assets folder exists
	if not exist "Assets" (
		echo 错误：Assets文件夹不存在！
		goto :END
	)
	
	:: Delete local upm branch if exists
	echo 清理本地upm分支...
	git branch -D upm 2>nul
	
	:: Create new upm branch from current Assets folder with verbose output
	echo 正在创建upm分支...
	git subtree split --prefix Assets --branch upm --verbose
	if %errorlevel% neq 0 (
		echo 错误：创建upm分支失败！
		echo 正在尝试修复...
		
		:: Try to fix common issues
		git gc
		git prune
		
		:: Second attempt
		echo 第二次尝试创建upm分支...
		git subtree split --prefix Assets --branch upm --verbose
		if %errorlevel% neq 0 (
			echo 错误：创建upm分支失败，请确保：
			echo 1. Assets文件夹存在且不为空
			echo 2. 当前分支没有未提交的更改
			echo 3. Git仓库状态正常
			goto :END
		)
	)
	
	:: Force update local upm branch with remote changes
	echo 更新远程upm分支...
	git fetch origin upm
	git checkout -f upm
	git reset --hard origin/upm
	
	:: Create new subtree split
	git checkout -f master
	git subtree split --prefix Assets --branch upm-temp
	
	:: Apply new changes and force push
	git checkout -f upm
	git merge upm-temp --allow-unrelated-histories -X theirs
	git branch -D upm-temp
	
	:: Create and push tag with explicit steps
	echo 创建并推送tag %version%...
	git tag -d %version% 2>nul
	git tag %version% upm
	if %errorlevel% neq 0 (
		echo 错误：创建tag失败！
		git checkout -f master
		goto :END
	)
	
	:: Push changes and tags separately
	echo 推送upm分支...
	git push -f origin upm
	if %errorlevel% neq 0 (
		echo 错误：推送upm分支失败！
		git checkout -f master
		goto :END
	)
	
	echo 推送tag...
	git push origin %version%
	if %errorlevel% neq 0 (
		echo 错误：推送tag失败！
		git tag -d %version%
		git checkout -f master
		goto :END
	)
	
	:: Return to master branch
	git checkout -f master
	echo 所有操作已完成！
)

:END
echo 执行完成!
pause
exit