#!/bin/bash

#########################################################################################
###       bash <(curl -fsSL https://raw.lhy.life/sing-box-update.sh) --version=1.12.5 --resetcmd=""
#########################################################################################

## GetArgValue <key> <defValue>
## ./script --key=value
g_args=("$@")
function GetArgValue()
{
    local key="$1"
    local defvalue="$2"

    for arg in "${g_args[@]}"
    do
        if [[ "$arg" == "--$key="* ]]
        then
            echo "${arg#*=}"
            return
        fi
    done

    echo "$defvalue"
}

function CheckCmd() {
    local cmd="$1"
    if ! command -v "$cmd" &>/dev/null; then
        echo "Error: command \"$cmd\" not found."
        exit 1
    fi
}

function GetLatestVer() {
    local ver=$(curl -s "https://api.github.com/repos/SagerNet/sing-box/releases/latest" | jq -r '.name')
    echo "$ver"
}


CheckCmd "curl"
CheckCmd "jq"
VERSION=$(GetArgValue "version" "$(GetLatestVer)")
RESETCMD=$(GetArgValue "resetcmd" "")

mkdir -p "$HOME/apps/sing-box/data"
cd "$HOME/apps/sing-box"
rm -rf tempdown
mkdir tempdown

wget -O "tempdown/sing-box-$VERSION-linux-amd64.tar.gz" "https://github.com/SagerNet/sing-box/releases/download/v$VERSION/sing-box-$VERSION-linux-amd64.tar.gz" || exit 1
tar -xf tempdown/sing-box-$VERSION-linux-amd64.tar.gz -C tempdown

if [ -f sing-box ]; then
    mv sing-box sing-box.bak
fi

mv tempdown/sing-box-$VERSION-linux-amd64/sing-box ./
chmod +x sing-box

if [ -n "$RESETCMD" ]; then
    cp data/box.log data/box.log.bak
    echo "" > data/box.log
    $RESETCMD restart sing-box
fi

./sing-box version
rm -rf tempdown