//! What `bxctl memory sync` prints (M5c spec, section 5): how many items the ledger holds in each
//! state, and every failed item, oldest first, by its label, never by its text.

use crate::honcho::ledger::{Ledger, label};

/// The answer without `[honcho]`: not an error.
pub const NOT_CONFIGURED: &str = "honcho sync: not configured (memoryd.toml has no [honcho])";

/// The report of `ledger`: one line of counts, then, when any item failed, a heading and one line
/// per failed item: its time, its label, its kind, and its HTTP status when it had one.
pub fn report(ledger: &Ledger) -> String {
    let c = ledger.counts();
    let mut out = format!(
        "honcho sync: {} decided: {} sent, {} waiting, {} failed, {} skipped",
        c.decided, c.sent, c.waiting, c.failed, c.skipped
    );
    let failures = ledger.failures();
    if !failures.is_empty() {
        out.push_str("\nfailed, oldest first:");
        for f in failures {
            out.push_str(&format!(
                "\n  {}  {}  {}",
                f.time.to_rfc3339(),
                label(&f.item),
                f.kind
            ));
            if let Some(status) = f.status {
                out.push_str(&format!(" (HTTP {status})"));
            }
        }
    }
    out
}