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use serde::de::DeserializeOwned;
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use serde_json::{from_slice, Value};
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use std::fmt::{Debug, Display};
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use std::process::{Command, Output};
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use u_lib::{conv::bytes_to_string, proc_output::ProcOutput, types::PanelResult};
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const PANEL_BINARY: &str = "/u_panel";
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pub struct Panel;
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impl Panel {
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fn run(args: &[&str]) -> Output {
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Command::new(PANEL_BINARY).args(args).output().unwrap()
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}
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pub fn output_argv<T: DeserializeOwned>(argv: &[&str]) -> PanelResult<T> {
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let result = Self::run(argv);
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let output = ProcOutput::from_output(&result);
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match from_slice(output.get_stdout()) {
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Ok(r) => r,
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Err(e) => {
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eprintln!(
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"Failed to decode panel response: ###'{}'###",
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bytes_to_string(output.get_stdout())
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);
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panic!("{e}")
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}
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}
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}
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pub fn output<T: DeserializeOwned + Debug>(args: impl IntoArgs) -> PanelResult<T> {
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eprintln!(">>> {PANEL_BINARY} {}", args.display());
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let splitted = args.into_args();
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let result = Self::output_argv(
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splitted
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.iter()
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.map(|s| s.as_ref())
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.collect::<Vec<&str>>()
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.as_ref(),
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);
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match &result {
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PanelResult::Ok(r) => eprintln!("+<< {r:#?}"),
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PanelResult::Err(e) => eprintln!("!<< {e:#?}"),
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}
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result
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}
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fn status_is_ok<T: DeserializeOwned + Debug>(data: PanelResult<T>) -> T {
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match data {
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PanelResult::Ok(r) => r,
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PanelResult::Err(e) => panic!("Panel failed: {e}"),
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}
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}
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pub fn check_status(args: impl IntoArgs) {
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let result: PanelResult<Value> = Self::output(args);
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Self::status_is_ok(result);
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}
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pub fn check_output<T: DeserializeOwned + Debug>(args: impl IntoArgs) -> T {
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let result = Self::output(args);
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Self::status_is_ok(result)
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}
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}
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pub trait IntoArgs {
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fn into_args(self) -> Vec<String>;
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fn display(&self) -> String;
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}
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impl IntoArgs for String {
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fn into_args(self) -> Vec<String> {
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<Self as AsRef<str>>::as_ref(&self).into_args()
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}
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fn display(&self) -> String {
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self.clone()
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}
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}
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impl IntoArgs for &str {
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fn into_args(self) -> Vec<String> {
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shlex::split(self.as_ref()).unwrap()
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}
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fn display(&self) -> String {
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self.to_string()
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}
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}
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impl<S, const N: usize> IntoArgs for [S; N]
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where
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S: Display,
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{
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fn into_args(self) -> Vec<String> {
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self.into_iter().map(|s| s.to_string()).collect()
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}
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fn display(&self) -> String {
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self.iter()
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.map(|s| format!(r#""{s}""#))
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.collect::<Vec<String>>()
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.join(" ")
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}
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}
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