// Deploy ke baad sach me naya version live hua ya nahi - HTTP se check.
// ArgoCD apne aap sync karta hai, isliye thoda intezaar karna padta hai.
def call(String url, String expectedVersion, int tries = 30) {
    withEnv(["CHECK_URL=${url}", "EXPECT=${expectedVersion}", "TRIES=${tries}"]) {
        sh '''
            i=0
            while [ $i -lt "$TRIES" ]; do
                GOT=$(curl -sf --max-time 5 "$CHECK_URL" 2>/dev/null \
                      | python3 -c "import sys,json;print(json.load(sys.stdin)['version'])" 2>/dev/null || echo "")
                if [ "$GOT" = "$EXPECT" ]; then
                    echo "  live version = $GOT  (OK)"
                    exit 0
                fi
                i=$((i+1)); sleep 10
            done
            echo "  $CHECK_URL par $EXPECT nahi aaya (aakhri: ${GOT:-kuch nahi})"
            exit 1
        '''
    }
}