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use std::process::ExitCode;
use clap::Parser;
use ncheap::api::{Client, HttpTransport};
use ncheap::cli::{AccountCommand, Cli, Command, DnsCommand, DomainsCommand, PrivacyCommand};
use ncheap::commands::account::PricingQuery;
use ncheap::{commands, config, output};
fn main() -> ExitCode {
// println! panics when stdout closes mid-write (`ncheap ... | head`).
// A closed pipe is normal termination for a CLI, not a crash: exit 0
// quietly instead of exit 101 with panic spew, like cat does.
let default_hook = std::panic::take_hook();
std::panic::set_hook(Box::new(move |info| {
let broken_pipe = info
.payload()
.downcast_ref::<String>()
.is_some_and(|s| s.contains("Broken pipe"));
if broken_pipe {
std::process::exit(0);
}
default_hook(info);
}));
// try_parse rather than parse: "every command with --json emits one
// envelope" must hold for malformed invocations too — agents generate
// them routinely. clap never parsed, so --json is detected from argv.
let cli = match Cli::try_parse() {
Ok(cli) => cli,
Err(e) => {
use clap::error::ErrorKind;
let is_help = matches!(e.kind(), ErrorKind::DisplayHelp | ErrorKind::DisplayVersion);
if !is_help && std::env::args().any(|a| a == "--json") {
let err = ncheap::api::Error::Usage(e.to_string().trim().to_owned());
output::failure(true, "cli", &err, None);
return ExitCode::from(2);
}
let _ = e.print();
return ExitCode::from(if is_help { 0 } else { 2 });
}
};
let name = cli.command.name();
let profile = match config::load(cli.profile.as_deref()) {
Ok(p) => p,
Err(e) => {
let err = ncheap::api::Error::from(e);
output::failure(cli.json, name, &err, None);
return ExitCode::from(err.exit_code());
}
};
let mut client = Client::new(HttpTransport::new(), profile);
// Mutation journal: intent-before/outcome-after for every call_mut.
client.set_journal_dir(
dirs::state_dir()
.or_else(dirs::data_local_dir)
.map(|d| d.join("ncheap")),
);
let client = client;
match run(&cli, &client) {
Ok(()) => ExitCode::SUCCESS,
Err(e) => {
// meta carries which profile/sandbox the failed call targeted
output::failure(cli.json, name, &e, Some((client.profile(), client.calls())));
ExitCode::from(e.exit_code())
}
}
}
/// Mutations require explicit confirmation: --yes, or an interactive
/// y/N prompt when stdin is a terminal. Non-interactive callers (agents,
/// scripts) without --yes are refused before any client work.
fn confirm_mutation(description: &str, yes: bool) -> Result<(), ncheap::api::Error> {
use std::io::IsTerminal;
if yes {
return Ok(());
}
if !std::io::stdin().is_terminal() {
return Err(ncheap::api::Error::Usage(
"mutating commands require --yes in non-interactive use".into(),
));
}
eprint!("{description} — proceed? [y/N] ");
let mut line = String::new();
if std::io::stdin().read_line(&mut line).is_err() || !line.trim().eq_ignore_ascii_case("y") {
return Err(ncheap::api::Error::Usage("mutation not confirmed".into()));
}
Ok(())
}
fn run(cli: &Cli, client: &Client<HttpTransport>) -> Result<(), ncheap::api::Error> {
let name = cli.command.name();
match &cli.command {
Command::Domains { command } => match command {
DomainsCommand::List => {
let domains = commands::domains::list(client)?;
output::success(
cli.json,
name,
&domains,
client.profile(),
client.calls(),
|| commands::domains::render_table(&domains),
);
Ok(())
}
DomainsCommand::Check { domains } => {
let results = commands::domains::check(client, domains)?;
output::success(
cli.json,
name,
&results,
client.profile(),
client.calls(),
|| commands::domains::render_check(&results),
);
Ok(())
}
DomainsCommand::Lock {
domain,
lock,
unlock,
yes,
} => {
if *lock || *unlock {
let target = *lock;
confirm_mutation(
&format!(
"turn registrar lock {} for {domain}",
if target { "ON" } else { "OFF" }
),
*yes,
)?;
let result = commands::domains::set_lock(client, domain, target)?;
output::success(
cli.json,
name,
&result,
client.profile(),
client.calls(),
|| commands::domains::render_set_lock(&result),
);
} else {
let status = commands::domains::lock_status(client, domain)?;
output::success(
cli.json,
name,
&status,
client.profile(),
client.calls(),
|| commands::domains::render_lock(&status),
);
}
Ok(())
}
DomainsCommand::Info { domain } => {
let info = commands::domains::info(client, domain)?;
output::success(
cli.json,
name,
&info,
client.profile(),
client.calls(),
|| commands::domains::render_info(&info),
);
Ok(())
}
DomainsCommand::Contacts { domain, full } => {
let contacts = commands::domains::contacts(client, domain)?;
let human = || commands::domains::render_contacts(&contacts, *full);
if *full {
output::success(
cli.json,
name,
&contacts,
client.profile(),
client.calls(),
human,
);
} else {
let view = commands::domains::contacts_redacted_view(&contacts);
output::success(
cli.json,
name,
&view,
client.profile(),
client.calls(),
human,
);
}
Ok(())
}
DomainsCommand::Register {
domain,
years,
max_price,
contacts_from,
yes,
} => {
confirm_mutation(
&format!(
"register {domain} for {years} year(s) at up to {max_price:.2}, \
contacts copied from {contacts_from}"
),
*yes,
)?;
let result =
commands::domains::register(client, domain, *years, *max_price, contacts_from)?;
output::success(
cli.json,
name,
&result,
client.profile(),
client.calls(),
|| commands::domains::render_register(&result),
);
Ok(())
}
DomainsCommand::Renew {
domain,
years,
max_price,
yes,
} => {
confirm_mutation(
&format!("renew {domain} for {years} year(s) at up to {max_price:.2}"),
*yes,
)?;
let result = commands::domains::renew(client, domain, *years, *max_price)?;
output::success(
cli.json,
name,
&result,
client.profile(),
client.calls(),
|| commands::domains::render_renew(&result),
);
Ok(())
}
},
Command::Account { command } => match command {
AccountCommand::Balances { full } => {
let balances = commands::account::balances(client)?;
let human = || commands::account::render(&balances, *full);
if *full {
output::success(
cli.json,
name,
&balances,
client.profile(),
client.calls(),
human,
);
} else {
let view = commands::account::redacted_view(&balances);
output::success(
cli.json,
name,
&view,
client.profile(),
client.calls(),
human,
);
}
Ok(())
}
AccountCommand::Pricing {
product_type,
category,
action,
product,
} => {
let query = PricingQuery {
product_type: product_type.clone(),
category: category.clone(),
action: action.clone(),
product: product.clone(),
};
let cache_dir = dirs::cache_dir().map(|d| d.join("ncheap"));
let (rows, _cached) =
commands::account::pricing(client, &query, cache_dir.as_deref())?;
output::success(
cli.json,
name,
&rows,
client.profile(),
client.calls(),
|| commands::account::render_pricing(&rows),
);
Ok(())
}
},
Command::Dns { command } => match command {
DnsCommand::Get { domain } => {
let dns = commands::dns::get(client, domain)?;
output::success(
cli.json,
name,
&dns,
client.profile(),
client.calls(),
|| commands::dns::render(&dns),
);
Ok(())
}
DnsCommand::Set {
domain,
nameservers,
yes,
} => {
confirm_mutation(
&format!("set nameservers of {domain} to {}", nameservers.join(", ")),
*yes,
)?;
let result = commands::dns::set(client, domain, nameservers)?;
output::success(
cli.json,
name,
&result,
client.profile(),
client.calls(),
|| commands::dns::render_set(&result),
);
Ok(())
}
},
Command::Privacy { command } => match command {
PrivacyCommand::List => {
let subs = commands::privacy::list(client)?;
output::success(
cli.json,
name,
&subs,
client.profile(),
client.calls(),
|| commands::privacy::render_table(&subs),
);
Ok(())
}
PrivacyCommand::Enable {
domain,
forward_to,
yes,
} => {
confirm_mutation(
&format!("enable privacy for {domain}, forwarding to {forward_to}"),
*yes,
)?;
let result = commands::privacy::enable(client, domain, forward_to)?;
output::success(
cli.json,
name,
&result,
client.profile(),
client.calls(),
|| commands::privacy::render_toggle(&result),
);
Ok(())
}
PrivacyCommand::Disable { domain, yes } => {
confirm_mutation(&format!("disable privacy for {domain}"), *yes)?;
let result = commands::privacy::disable(client, domain)?;
output::success(
cli.json,
name,
&result,
client.profile(),
client.calls(),
|| commands::privacy::render_toggle(&result),
);
Ok(())
}
},
Command::Raw { command, params } => {
let params = commands::raw::parse_params(params)?;
let body = commands::raw::call(client, command, ¶ms)?;
output::success(
cli.json,
name,
&body,
client.profile(),
client.calls(),
|| println!("{body}"),
);
Ok(())
}
}
}