Update README Stats #8

	name: Update README Stats

	on:
	schedule:
	- cron: '0 0 * * *' # 每天 UTC 0:00 对应北京时间 8:00
	workflow_dispatch: # 允许手动触发

	permissions:
	contents: write

	jobs:
	update-readme:
	runs-on: ubuntu-latest
	steps:
	- name: 检出代码库
	uses: actions/checkout@v4

	- name: 统计并格式化各项数据
	run: \|
	# 统计原始数据
	lines=$(find . -type f $ -name ".py" -o -name ".js" -o -name ".md" -o -name ".cpp" -o -name "*.java" $ \| xargs wc -l \| awk '{s+=$1} END {print s}')
	chars=$(find . -type f $ -name ".py" -o -name ".js" -o -name ".md" -o -name ".cpp" -o -name "*.java" $ \| xargs wc -m \| awk '{s+=$1} END {print s}')
	main_count=$(grep -RHo 'int main' . \| wc -l)
	var_count=$(grep -RHoE '\b(int\|long long\|double\|auto\|vector\|queue\|string\|class\|struct\|void)\b' . \| wc -l)

	# 千分位格式化函数
	fmt(){ echo "$1" \| sed ':a;s/\B[0-9]\{3\}\>/,&/;ta'; }

	# 格式化输出
	f_lines=$(fmt "$lines")
	f_chars=$(fmt "$chars")
	f_main=$(fmt "$main_count")
	f_var=$(fmt "$var_count")

	# 替换模板
	sed -e "s/{line}/$f_lines/" \
	-e "s/{char}/$f_chars/" \
	-e "s/{main}/$f_main/" \
	-e "s/{var}/$f_var/" \
	README.template.md > README.md

	- name: 提交更新
	run: \|
	git config --global user.name "github-actions[bot]"
	git config --global user.email "github-actions[bot]@users.noreply.github.com"
	git add README.md
	git commit -m ":hammer: 更新 README 统计信息"
	git push https://github.com/${{ github.repository }} HEAD:master
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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