adrs 0.10.0

Command line tool for managing Architecture Decision Records
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//! Doctor command implementation.

use adrs_core::{IssueSeverity, Repository, check_all_filtered};
use anyhow::{Context, Result};
use std::path::Path;

/// Run health checks on the ADR repository.
///
/// Runs all lint checks (per-file and repository-level).
///
/// `ng` reflects whether the global `--ng` flag was passed. It has no effect on
/// linting: the lint rules detect each ADR's format (Nygard or MADR) from the
/// file itself, so the repository mode does not change which checks run. When
/// `--ng` is passed we say so rather than ignoring it silently (see issue #306).
///
/// `ignore` is merged with `[doctor].ignore` from `adrs.toml` (see
/// `check_all_filtered`). `warnings_as_errors` is OR'd with
/// `[doctor].warnings_as_errors` from config (issue #316).
pub fn doctor(root: &Path, ng: bool, ignore: Vec<String>, warnings_as_errors: bool) -> Result<()> {
    if ng {
        eprintln!(
            "note: --ng has no effect on 'doctor'; lint rules detect each ADR's format automatically"
        );
    }

    let repo =
        Repository::open(root).context("Failed to open repository. Have you run 'adrs init'?")?;

    let (report, suppressed_count) =
        check_all_filtered(&repo, &ignore).context("Failed to run health checks")?;
    let warnings_as_errors = warnings_as_errors || repo.config().doctor.warnings_as_errors;

    if report.issues.is_empty() {
        println!("No issues found. Your ADR repository is healthy!");
        if suppressed_count > 0 {
            println!("{} issue(s) suppressed by ignore rules", suppressed_count);
        }
        return Ok(());
    }

    let error_count = report.count_by_severity(IssueSeverity::Error);
    let warning_count = report.count_by_severity(IssueSeverity::Warning);
    let info_count = report.count_by_severity(IssueSeverity::Info);

    for issue in &report.issues {
        let prefix = match issue.severity {
            IssueSeverity::Error => "error",
            IssueSeverity::Warning => "warning",
            IssueSeverity::Info => "info",
        };

        let location = match (&issue.path, issue.line, issue.adr_number) {
            (Some(path), Some(line), _) => {
                format!(" [{}:{}]", path.display(), line)
            }
            (Some(path), None, _) => format!(" [{}]", path.display()),
            (None, _, Some(num)) => format!(" [ADR {}]", num),
            _ => String::new(),
        };

        println!(
            "{}: [{}] {}{}",
            prefix, issue.rule_id, issue.message, location
        );
    }

    println!();
    println!(
        "Found {} error(s), {} warning(s), {} info(s)",
        error_count, warning_count, info_count
    );
    if suppressed_count > 0 {
        println!("{} issue(s) suppressed by ignore rules", suppressed_count);
    }

    if report.has_errors() || (warnings_as_errors && report.has_warnings()) {
        std::process::exit(1);
    }

    Ok(())
}