#!/bin/sh
# Copyright (C) Juewuy

[ -n "$__IS_PROVIDERS_SINGBOX" ] && return
__IS_PROVIDERS_SINGBOX=1

. "$CRASHDIR"/libs/web_get_bin.sh

#生成singbox的providers配置文件
gen_providers(){ 
	if [ -z "$(grep "provider_temp_${CORE_TYPE}" "$CRASHDIR"/configs/ShellCrash.cfg)" ];then
		provider_temp_file="$(sed -n "1 p" "$CRASHDIR"/configs/${CORE_TYPE}_providers.list | awk '{print $2}')"
	else
		provider_temp_file=$(grep "provider_temp_${CORE_TYPE}" "$CRASHDIR"/configs/ShellCrash.cfg | awk -F '=' '{print $2}')
	fi
	echo "-----------------------------------------------"
	if [ -s "$provider_temp_file" ];then
		ln -sf "$provider_temp_file" "$TMPDIR"/provider_temp_file
	else
		echo -e "\033[33m正在获取在线模版！\033[0m"
		get_bin "$TMPDIR"/provider_temp_file "rules/${CORE_TYPE}_providers/$provider_temp_file"
		[ -z "$(grep -o 'route' "$TMPDIR"/provider_temp_file)" ] && {
			echo -e "\033[31m下载失败，请尝试更换安装源！\033[0m"
			. "$CRASHDIR"/menus/9_upgrade.sh && setserver
			setproviders
		}
	fi
	#生成outbound_providers模块
	mkdir -p "$TMPDIR"/providers
	#预创建文件并写入对应文件头
	cat > "$TMPDIR"/providers/providers.json <<EOF
{
  "providers": [
EOF
	cat > "$TMPDIR"/providers/outbounds_add.json <<EOF
{
  "outbounds": [
EOF
	#基于单订阅生成providers模块
	if [ -n "$1" ];then
		gen_providers_txt $@
		providers_tags=\"$1\"
	else
		#基于全部订阅/本地文件生成
		[ -s "$CRASHDIR"/configs/providers.cfg ] && {
			providers_tags=''
			while read line;do
				gen_providers_txt $line
				providers_tags=$(echo "$providers_tags, \"$tag\"" | sed 's/^, //')
			done < "$CRASHDIR"/configs/providers.cfg
		}
		#基于全部节点分享链接生成
		[ -s "$CRASHDIR"/configs/providers_uri.cfg ] && {
			mkdir -p "$CRASHDIR"/providers
			awk '{ print ($1=="vmess" ? $2 : $2 "#" $1) }' "$CRASHDIR"/configs/providers_uri.cfg > "$CRASHDIR"/providers/uri_group
			gen_providers_txt "Uri_group" "./providers/uri_group" "3" "12"
			providers_tags=$(echo "$providers_tags, \"Uri_group\"" | sed 's/^, //')
		}
	fi
	#修复文件格式
	sed -i '$s/},/}]}/' "$TMPDIR"/providers/outbounds_add.json
	sed -i '$s/},/}]}/' "$TMPDIR"/providers/providers.json
	#使用模版生成outbounds和rules模块
	cat "$TMPDIR"/provider_temp_file | sed "s/{providers_tags}/$providers_tags/g" | sed "s/\"providers_tags\"/$providers_tags/g" > "$TMPDIR"/providers/outbounds.json
	rm -rf "$TMPDIR"/provider_temp_file
	#调用内核测试
	. "$CRASHDIR"/starts/check_core.sh && check_core && "$TMPDIR"/CrashCore merge "$TMPDIR"/config.json -C "$TMPDIR"/providers
	if [ "$?" = 0 ];then
		echo -e "\033[32m配置文件生成成功！如果启动超时建议更新里手动安装Singbox-srs数据库常用包！\033[0m"
		mkdir -p "$CRASHDIR"/jsons
		mv -f "$TMPDIR"/config.json "$CRASHDIR"/jsons/config.json
		rm -rf "$TMPDIR"/providers
		read -p "是否立即启动/重启服务？(1/0) > " res
		[ "$res" = 1 ] && {
			start_core && . "$CRASHDIR"/libs/set_cron.sh && cronset '更新订阅'
			exit
		}
	else
		echo -e "\033[31m生成配置文件出错，请仔细检查输入！\033[0m"
		rm -rf "$TMPDIR"/CrashCore
		#rm -rf "$TMPDIR"/providers
	fi
}

gen_providers_txt(){
	tag=$1
	interval=${3:-3}
	interval2=${4:-12}
	ua=${5:-clash.meta}
	exclude=${6#\#}
	include=${7#\#}
	if [ -n "$(echo $2|grep -E '^./')" ];then
		cat >> "$TMPDIR"/providers/providers.json <<EOF
	{
      "tag": "$tag",
      "type": "local",
	  "path": "$2",
EOF
	else
		cat >> "$TMPDIR"/providers/providers.json <<EOF
	{
      "tag": "$tag",
      "type": "remote",
      "url": "$2",
      "path": "./providers/$tag.yaml",
      "user_agent": "$ua",
      "update_interval": "${interval2}h",
	  "exclude": "$exclude",
      "include": "$include",
EOF
	fi
	#通用部分生成
	[ "$skip_cert" != "OFF" ] && override_tls='true' || override_tls='false'
	cat >> "$TMPDIR"/providers/providers.json <<EOF
      "health_check": {
        "enabled": true,
        "url": "https://www.gstatic.com/generate_204",
        "interval": "${interval}m",
        "timeout": "3s"
      },
	  "override_tls": {
		"enabled": true,
		"insecure": $override_tls
	  }
	},
EOF
	#写入提供者
	echo '{ "tag": "'"$tag"'", "type": "urltest", "tolerance": 100, "providers": ["'"$tag"'"], "include": ".*" },' >> "$TMPDIR"/providers/outbounds_add.json
}