ebman 0.30.2

k9s-style TUI for AWS Elastic Beanstalk
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//! `ebman envs [--json]` — list environments in the current profile
//! / region. The simplest CLI subcommand; ships JSON output too so
//! CI scripts can `jq '.[] | select(.health=="Red")'` etc.

use color_eyre::eyre::Result;

use crate::aws;
use crate::cli::cli_esc;

/// The flat, stable `envs --json` schema — shared verbatim by the
/// MCP `list_environments` tool so agent-facing and script-facing
/// shapes can't drift apart.
pub(crate) fn render_envs_json(envs: &[aws::Environment]) -> String {
    let entries: Vec<String> = envs
        .iter()
        .map(|e| {
            format!(
                "{{\"name\":\"{}\",\"application\":\"{}\",\"status\":\"{}\",\"health\":\"{}\",\"platform\":\"{}\",\"cname\":\"{}\",\"version_label\":\"{}\"}}",
                cli_esc(&e.name),
                cli_esc(&e.application),
                cli_esc(&e.status),
                cli_esc(&e.health),
                cli_esc(&e.platform),
                cli_esc(&e.cname),
                cli_esc(&e.version_label),
            )
        })
        .collect();
    format!("[{}]", entries.join(","))
}

pub async fn run(args: &[String]) -> Result<()> {
    let mut json = false;
    // Reject unknown flags like every other subcommand — `--jsn`
    // used to silently print the text table, exit 0.
    for arg in args.iter().skip(1) {
        match arg.as_str() {
            "--json" => json = true,
            other => {
                eprintln!("ebman envs: unknown flag '{other}' (usage: ebman envs [--json])");
                std::process::exit(2);
            }
        }
    }
    let aws = aws::AwsClient::with(None, None).await?;
    let envs = aws
        .list_environments()
        .await
        .map_err(|e| color_eyre::eyre::eyre!("list_environments: {e}"))?;
    if json {
        println!("{}", render_envs_json(&envs));
    } else {
        println!("NAME\tAPPLICATION\tSTATUS\tHEALTH\tPLATFORM\tCNAME\tVERSION");
        for e in &envs {
            println!(
                "{}\t{}\t{}\t{}\t{}\t{}\t{}",
                e.name, e.application, e.status, e.health, e.platform, e.cname, e.version_label
            );
        }
    }
    Ok(())
}