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use crate::node::get_node_name;
use crate::util::local_cmd;
use crate::{docs, fmt_ok, CommandGlobalOpts};
use clap::Args;
use colorful::Colorful;
use ockam_api::cli_state::StateDirTrait;

const LONG_ABOUT: &str = include_str!("./static/stop/long_about.txt");
const PREVIEW_TAG: &str = include_str!("../static/preview_tag.txt");
const AFTER_LONG_HELP: &str = include_str!("./static/stop/after_long_help.txt");

/// Stop a running node
#[derive(Clone, Debug, Args)]
#[command(
    arg_required_else_help = true,
    long_about = docs::about(LONG_ABOUT),
    before_help = docs::before_help(PREVIEW_TAG),
    after_long_help = docs::after_help(AFTER_LONG_HELP)
)]
pub struct StopCommand {
    /// Name of the node.
    node_name: Option<String>,
    /// Whether to use the SIGTERM or SIGKILL signal to stop the node
    #[arg(short, long)]
    force: bool,
}

impl StopCommand {
    pub fn run(self, opts: CommandGlobalOpts) {
        local_cmd(run_impl(opts, self));
    }
}

fn run_impl(opts: CommandGlobalOpts, cmd: StopCommand) -> miette::Result<()> {
    let node_name = get_node_name(&opts.state, &cmd.node_name);
    let node_state = opts.state.nodes.get(&node_name)?;
    node_state.kill_process(cmd.force)?;
    opts.terminal
        .stdout()
        .plain(fmt_ok!("Stopped node '{}'", &node_name))
        .write_line()?;
    Ok(())
}