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cred 0.3.1

A command-line tool to manage secrets and environment variables locally and remotely.
Documentation
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//! cred CLI entrypoint and command dispatcher.
//! Parses args, routes to subcommands, and handles uniform error/exit code reporting.
mod cli;
mod config;
mod envfile;
mod error;
mod io;
mod project;
mod targets;
#[cfg(test)]
mod tests;
mod vault;

use clap::Parser;
use cli::{Cli, CliFlags, Commands, SecretAction, SetTargetArgs};
use error::{AppError, ExitCode};
use io::{print_err, print_json, print_out, print_plain_err, read_token_securely, require_yes};
use keyring::Entry;
use project::{ProjectStatusData, resolve_repo_binding};
use std::process;
use targets::TargetAdapter;
use zeroize::Zeroize;

#[tokio::main]
/// Tokio runtime entrypoint; parses CLI and normalizes exit codes/JSON errors.
async fn main() {
    let cli = Cli::parse();
    let no_color_env = std::env::var("NO_COLOR").is_ok();
    let flags = CliFlags {
        json: cli.json,
        non_interactive: cli.non_interactive,
        dry_run: cli.dry_run,
        yes: cli.yes,
        no_color: no_color_env || cli.json,
    };
    match run(cli, &flags).await {
        Ok(()) => process::exit(ExitCode::Ok as i32),
        Err(err) => {
            if flags.json {
                let code = match err.code {
                    ExitCode::NotAuthenticated => "NOT_AUTHENTICATED",
                    ExitCode::GitError => "GIT_ERROR",
                    ExitCode::TargetRejected => "TARGET_REJECTED",
                    ExitCode::VaultError => "VAULT_ERROR",
                    ExitCode::NetworkError => "NETWORK_ERROR",
                    ExitCode::UserError | ExitCode::Ok => "USER_ERROR",
                };
                let payload = serde_json::json!({
                    "api_version": "1",
                    "status": "error",
                    "error": {
                        "code": code,
                        "message": err.error.to_string()
                    }
                });
                print_json(&payload);
            } else {
                print_plain_err(&format!("Error: {}", err.error));
            }
            process::exit(err.code as i32);
        }
    }
}

/// Core dispatcher for all subcommands.
async fn run(cli: Cli, flags: &CliFlags) -> Result<(), AppError> {
    match cli.command {
        Commands::Init => {
            config::ensure_global_config_exists()?;
            project::init()?;
            if flags.json {
                let payload = serde_json::json!({
                    "api_version": "1",
                    "status": "ok",
                    "data": serde_json::Value::Null
                });
                print_json(&payload);
            }
        }

        Commands::Target { action } => match action {
            cli::TargetAction::Set(args) => {
                if flags.dry_run {
                    print_out(flags, "(dry-run) Target set skipped");
                    return Ok(());
                }
                handle_target_set(args, &flags)?;
            }
            cli::TargetAction::List => {
                let cfg = config::load()?;
                let mut names: Vec<String> = cfg.targets.keys().cloned().collect();
                names.sort();
                if flags.json {
                    let payload = serde_json::json!({
                        "api_version": "1",
                        "status": "ok",
                        "data": { "targets": names }
                    });
                    println!("{}", serde_json::to_string(&payload).unwrap_or_default());
                } else {
                    println!("Configured Targets:");
                    for name in names {
                        println!("- {}", name);
                    }
                }
            }
            cli::TargetAction::Revoke { name } => {
                require_yes(&flags, "target revoke")?;
                if flags.dry_run {
                    print_out(flags, "(dry-run) Target revoke skipped");
                    return Ok(());
                }
                print_out(
                    flags,
                    &format!("🔌 Attempting to revoke token for target '{}'...", name),
                );
                if let Some(token) = config::get_target_token(&name.to_string())? {
                    if let Some(p) = targets::get(name) {
                        // Atomic Revoke
                        if let Err(e) = p.revoke_auth_token(&token).await {
                            print_err(flags, &format!("x Remote revocation failed: {}", e));
                            return Ok(());
                        }
                    }
                    config::remove_target_token(&name.to_string())?;
                } else {
                    print_out(flags, &format!("Target '{}' was not configured.", name));
                }
            }
        },

        Commands::Secret { action } => {
            let proj = project::Project::find()?;
            let master_key = proj.get_master_key()?;
            let mut vault = vault::Vault::load(&proj.vault_path, master_key)?;

            match action {
                SecretAction::Set {
                    key,
                    value,
                    description,
                    format,
                } => {
                    if flags.dry_run {
                        println!("(dry-run) Would set {}", key);
                        return Ok(());
                    }
                    // Use explicit format if provided, otherwise auto-detect
                    let fmt = format.unwrap_or_else(|| vault::Vault::detect_format(&value));
                    vault.set_with_metadata(&key, &value, fmt, description);
                    vault.save()?;
                    print_out(flags, &format!("✓ Set {} = *****", key));
                }
                SecretAction::Get { key } => match vault.get_entry(&key) {
                    Some(entry) => {
                        if flags.json {
                            let payload = serde_json::json!({
                                "api_version": "1",
                                "status": "ok",
                                "data": {
                                    "key": key,
                                    "value": entry.value,
                                    "format": entry.format.to_string(),
                                    "created_at": entry.created_at.to_rfc3339(),
                                    "updated_at": entry.updated_at.to_rfc3339(),
                                    "description": entry.description,
                                }
                            });
                            println!("{}", serde_json::to_string(&payload).unwrap_or_default());
                        } else {
                            println!("{}", entry.value)
                        }
                    }
                    None => print_err(flags, &format!("Secret '{}' not found", key)),
                },
                SecretAction::Remove { key } => {
                    require_yes(&flags, "secret remove")?;
                    if flags.dry_run {
                        if let Some(entry) = vault.get_entry(&key) {
                            if flags.json {
                                let payload = serde_json::json!({
                                    "api_version": "1",
                                    "status": "ok",
                                    "data": {
                                        "action": "remove",
                                        "dry_run": true,
                                        "key": key,
                                        "format": entry.format.to_string(),
                                        "created_at": entry.created_at.to_rfc3339(),
                                        "description": entry.description,
                                    }
                                });
                                println!("{}", serde_json::to_string(&payload).unwrap_or_default());
                            } else {
                                print_out(
                                    flags,
                                    &format!(
                                        "(dry-run) Would remove '{}' (created {})",
                                        key,
                                        entry.created_at.format("%Y-%m-%d")
                                    ),
                                );
                            }
                        } else {
                            print_out(flags, &format!("Secret '{}' did not exist locally.", key));
                        }
                        return Ok(());
                    }
                    if let Some(entry) = vault.remove_entry(&key) {
                        vault.save()?;
                        if flags.json {
                            let payload = serde_json::json!({
                                "api_version": "1",
                                "status": "ok",
                                "data": {
                                    "action": "removed",
                                    "key": key,
                                    "format": entry.format.to_string(),
                                    "created_at": entry.created_at.to_rfc3339(),
                                    "updated_at": entry.updated_at.to_rfc3339(),
                                    "description": entry.description,
                                }
                            });
                            println!("{}", serde_json::to_string(&payload).unwrap_or_default());
                        } else {
                            let age = chrono::Utc::now().signed_duration_since(entry.created_at);
                            let age_str = if age.num_days() > 0 {
                                format!("{} days old", age.num_days())
                            } else if age.num_hours() > 0 {
                                format!("{} hours old", age.num_hours())
                            } else {
                                "just created".to_string()
                            };
                            print_out(
                                flags,
                                &format!("✓ Removed '{}' from local vault ({})", key, age_str),
                            );
                        }
                    } else {
                        print_out(flags, &format!("Secret '{}' did not exist locally.", key));
                    }
                }
                SecretAction::List {} => {
                    let entries = vault.list_entries();
                    let mut keys: Vec<&String> = entries.keys().collect();
                    keys.sort();
                    if flags.json {
                        let secrets_data: Vec<serde_json::Value> = keys
                            .iter()
                            .map(|k| {
                                let entry = &entries[*k];
                                serde_json::json!({
                                    "key": k,
                                    "format": entry.format.to_string(),
                                    "created_at": entry.created_at.to_rfc3339(),
                                    "updated_at": entry.updated_at.to_rfc3339(),
                                    "description": entry.description,
                                })
                            })
                            .collect();
                        let payload = serde_json::json!({
                            "api_version": "1",
                            "status": "ok",
                            "data": { "secrets": secrets_data }
                        });
                        println!("{}", serde_json::to_string(&payload).unwrap_or_default());
                    } else {
                        println!("Vault content:");
                        for k in keys {
                            let entry = &entries[k];
                            if let Some(desc) = &entry.description {
                                println!("  {} = ***** ({})", k, desc);
                            } else {
                                println!("  {} = *****", k);
                            }
                        }
                    }
                }
                SecretAction::Describe { key, description } => {
                    if flags.dry_run {
                        match &description {
                            Some(d) => print_out(
                                flags,
                                &format!("(dry-run) Would set description for '{}' to: {}", key, d),
                            ),
                            None => print_out(
                                flags,
                                &format!("(dry-run) Would clear description for '{}'", key),
                            ),
                        }
                        return Ok(());
                    }
                    if vault.set_description(&key, description.clone()) {
                        vault.save()?;
                        match &description {
                            Some(d) => {
                                print_out(flags, &format!("✓ Set description for '{}': {}", key, d))
                            }
                            None => {
                                print_out(flags, &format!("✓ Cleared description for '{}'", key))
                            }
                        }
                    } else {
                        print_err(flags, &format!("Secret '{}' not found", key));
                    }
                }
                SecretAction::Revoke { key, target } => {
                    require_yes(&flags, "secret revoke")?;
                    if flags.dry_run {
                        print_out(
                            flags,
                            &format!("(dry-run) Would revoke '{}' from {}", key, target),
                        );
                        return Ok(());
                    }
                    // 1. Get Source Token
                    let source_token = match config::get_target_token(&target.to_string())? {
                        Some(t) => t,
                        None => {
                            print_err(flags, &format!("No token for source {}", target));
                            return Ok(());
                        }
                    };

                    // 2. Get Value for Revocation
                    let secret_value = match vault.get(&key) {
                        Some(v) => v.clone(),
                        None => {
                            print_err(flags, &format!("Secret '{}' not found locally.", key));
                            return Ok(());
                        }
                    };

                    // 3. Remote Revoke
                    let source_impl = match targets::get(target) {
                        Some(p) => p,
                        None => {
                            print_err(flags, &format!("Unknown target {}", target));
                            return Ok(());
                        }
                    };

                    print_out(
                        flags,
                        &format!("🔌 Contacting {} to revoke '{}'...", target, key),
                    );
                    // Note: This will fail if target doesn't support revoke (like GitHub)
                    if let Err(e) = source_impl
                        .revoke_secret(&key, &secret_value, &source_token)
                        .await
                    {
                        print_err(flags, &format!("x Failed to revoke at source: {}", e));
                        return Ok(());
                    }
                    print_out(flags, "✓ Remote key destroyed.");

                    // 4. Local Remove
                    vault.remove(&key);
                    if !flags.dry_run {
                        vault.save()?;
                        print_out(flags, "✓ Removed from local vault.");
                    }
                }
            }
        }

        Commands::Import(args) => {
            let proj = project::Project::find()?;
            let master_key = proj.get_master_key()?;
            let mut vault = vault::Vault::load(&proj.vault_path, master_key)?;

            let path = std::path::Path::new(&args.path);
            let entries = envfile::parse_env_file(path)?;
            let stats =
                envfile::import_entries(&entries, &mut vault, args.overwrite, flags.dry_run);

            if !flags.dry_run {
                vault.save()?;
            }

            if flags.json {
                let payload = serde_json::json!({
                    "api_version": "1",
                    "status": "ok",
                    "data": {
                        "path": args.path,
                        "added": stats.added,
                        "overwritten": stats.overwritten,
                        "skipped": stats.skipped,
                        "dry_run": flags.dry_run
                    }
                });
                print_json(&payload);
            } else if flags.dry_run {
                print_out(
                    flags,
                    &format!(
                        "(dry-run) Would import from {} (add {}, overwrite {}, skip {}).",
                        args.path, stats.added, stats.overwritten, stats.skipped
                    ),
                );
            } else {
                print_out(
                    flags,
                    &format!(
                        "✓ Imported {} (added {}, overwritten {}, skipped {}).",
                        args.path, stats.added, stats.overwritten, stats.skipped
                    ),
                );
            }
        }

        Commands::Export(args) => {
            let proj = project::Project::find()?;
            let master_key = proj.get_master_key()?;
            let vault = vault::Vault::load(&proj.vault_path, master_key)?;

            let path = std::path::Path::new(&args.path);
            let count = envfile::export_env_file(&vault, path, args.force, flags.dry_run)?;

            if flags.json {
                let payload = serde_json::json!({
                    "api_version": "1",
                    "status": "ok",
                    "data": {
                        "path": args.path,
                        "exported": count,
                        "dry_run": flags.dry_run
                    }
                });
                print_json(&payload);
            } else if flags.dry_run {
                print_out(
                    flags,
                    &format!("(dry-run) Would export {} keys to {}.", count, args.path),
                );
            } else {
                print_out(
                    flags,
                    &format!("✓ Exported {} keys to {}.", count, args.path),
                );
            }
        }

        Commands::Push(args) => {
            let target_impl = match targets::get(args.target) {
                Some(p) => p,
                None => {
                    print_err(
                        flags,
                        &format!("Error: Target '{}' not supported.", args.target),
                    );
                    return Ok(());
                }
            };

            let token = config::get_target_token(&args.target.to_string())?
                .ok_or_else(|| anyhow::anyhow!("No token found for {}.", args.target))?;

            let proj = project::Project::find()?;
            let git_info = project::detect_git(None);
            let bound_repo = proj.load_config().ok().and_then(|c| c.git_repo);

            let master_key = proj.get_master_key()?;
            let vault = vault::Vault::load(&proj.vault_path, master_key)?;

            let repo = resolve_repo_binding(
                git_info.and_then(|g| g.repo_slug),
                bound_repo,
                args.repo.clone(),
                "push",
            )
            .map_err(AppError::from)?;

            if matches!(args.target, targets::Target::Github) && repo.is_none() {
                return Err(AppError::git(anyhow::anyhow!(
                    "GitHub push requires a repository. Provide --repo owner/name or initialize inside a git repo so it can be recorded."
                )));
            }

            let keys_to_push: Vec<String> = if !args.keys.is_empty() {
                args.keys.clone()
            } else {
                vault.list().keys().cloned().collect()
            };

            let mut filtered = std::collections::HashMap::new();
            for k in keys_to_push {
                if let Some(val) = vault.get(&k) {
                    filtered.insert(k, val.clone());
                }
            }

            if filtered.is_empty() {
                if flags.json {
                    let payload = serde_json::json!({
                        "api_version": "1",
                        "status": "ok",
                        "data": {
                            "target": format!("{}", args.target),
                            "repo": repo,
                            "will_create": [],
                            "will_update": [],
                            "will_delete": []
                        }
                    });
                    println!("{}", serde_json::to_string(&payload).unwrap_or_default());
                } else {
                    print_out(flags, "No secrets to push.");
                }
                return Ok(());
            }

            if flags.dry_run {
                let creates: Vec<String> = Vec::new();
                let mut updates: Vec<String> = Vec::new();
                // With no remote read, we conservatively treat all as updates (or creates)
                // Deterministic ordering: sort keys
                let mut keys: Vec<String> = filtered.keys().cloned().collect();
                keys.sort();
                // If we had a way to diff remote, we could split create/update; here we label as updates
                updates.extend(keys);

                if flags.json {
                    let payload = serde_json::json!({
                        "api_version": "1",
                        "status": "ok",
                        "data": {
                            "target": format!("{}", args.target),
                            "repo": repo,
                            "will_create": creates,
                            "will_update": updates,
                            "will_delete": Vec::<String>::new()
                        }
                    });
                    println!("{}", serde_json::to_string(&payload).unwrap_or_default());
                } else {
                    print_out(flags, "(dry-run) Push skipped (no remote mutation).");
                    print_out(flags, &format!("Target: {}", args.target));
                    if let Some(r) = repo.as_ref() {
                        print_out(flags, &format!("Repo: {}", r));
                    }
                    print_out(flags, &format!("Will update: {:?}", updates));
                }
                return Ok(());
            }

            print_out(flags, &format!("📦 Pushing {} secrets...", filtered.len()));
            let options = targets::PushOptions { repo };
            if let Err(e) = target_impl.push(&filtered, &token, &options).await {
                print_err(flags, &format!("x Failed to push: {}", e));
            } else {
                print_out(flags, "✓ Operations complete.");
            }
        }

        Commands::Prune(args) => {
            let ci_force_dry = std::env::var("CI").is_ok() && !flags.yes;
            let effective_dry = flags.dry_run || ci_force_dry;

            if !effective_dry {
                require_yes(&flags, "prune")?;
            } else if ci_force_dry {
                print_out(
                    flags,
                    "CI detected without --yes; forcing dry-run for prune.",
                );
            }

            if effective_dry {
                print_out(flags, "(dry-run) Prune skipped (no remote mutation).");
            }

            let target_impl = match targets::get(args.target) {
                Some(p) => p,
                None => {
                    print_err(flags, "Error: Unknown target");
                    return Ok(());
                }
            };

            let token = config::get_target_token(&args.target.to_string())?
                .ok_or_else(|| anyhow::anyhow!("No token for {}", args.target))?;

            let proj = project::Project::find()?;
            let master_key = proj.get_master_key()?;
            let vault = vault::Vault::load(&proj.vault_path, master_key)?;

            let keys_to_prune: Vec<String> = if args.all {
                let mut ks: Vec<String> = vault.list().keys().cloned().collect();
                ks.sort();
                ks
            } else if !args.keys.is_empty() {
                args.keys
            } else {
                print_err(flags, "Error: Specify keys to prune or use --all.");
                return Ok(());
            };

            if keys_to_prune.is_empty() {
                return Ok(());
            }

            let git_info = project::detect_git(None);
            let bound_repo = project::Project::find()
                .ok()
                .and_then(|p| p.load_config().ok())
                .and_then(|c| c.git_repo);
            let repo = resolve_repo_binding(
                git_info.and_then(|g| g.repo_slug),
                bound_repo,
                args.repo.clone(),
                "prune",
            )
            .map_err(AppError::from)?;

            if matches!(args.target, targets::Target::Github) && repo.is_none() {
                return Err(AppError::git(anyhow::anyhow!(
                    "GitHub prune requires a repository. Provide --repo owner/name or initialize inside a git repo so it can be recorded."
                )));
            }

            if effective_dry {
                if flags.json {
                    let mut keys_sorted = keys_to_prune.clone();
                    keys_sorted.sort();
                    let payload = serde_json::json!({
                        "api_version": "1",
                        "status": "ok",
                        "data": {
                            "target": format!("{}", args.target),
                            "repo": repo,
                            "will_delete": keys_sorted
                        }
                    });
                    print_json(&payload);
                } else {
                    let mut keys_sorted = keys_to_prune.clone();
                    keys_sorted.sort();
                    print_out(flags, "(dry-run) Prune skipped (no remote mutation).");
                    print_out(flags, &format!("Target: {}", args.target));
                    if let Some(r) = repo.as_ref() {
                        print_out(flags, &format!("Repo: {}", r));
                    }
                    print_out(flags, &format!("Will delete: {:?}", keys_sorted));
                }
                return Ok(());
            }

            print_out(flags, &format!("Deleting from Remote ({})...", args.target));
            let options = targets::PushOptions { repo };

            // ATOMIC: Remote fail stops local delete
            target_impl.delete(&keys_to_prune, &token, &options).await?;

            print_out(flags, "✓ Remote delete successful (local vault unchanged).");
        }

        Commands::Config { action } => match action {
            cli::ConfigAction::Get { key } => match config::config_get(&key)? {
                Some(v) => {
                    if flags.json {
                        let payload = serde_json::json!({
                            "api_version": "1",
                            "status": "ok",
                            "data": { "key": key, "value": v }
                        });
                        println!("{}", serde_json::to_string(&payload).unwrap_or_default());
                    } else {
                        println!("{}", v)
                    }
                }
                None => print_out(flags, "(not set)"),
            },
            cli::ConfigAction::Set { key, value } => {
                if flags.dry_run {
                    print_out(flags, &format!("(dry-run) Would set {}", key));
                    return Ok(());
                }
                config::config_set(&key, &value)?;
                print_out(flags, &format!("Set {}.", key));
            }
            cli::ConfigAction::Unset { key } => {
                require_yes(&flags, "config unset")?;
                if flags.dry_run {
                    print_out(flags, &format!("(dry-run) Would unset {}", key));
                    return Ok(());
                }
                config::config_unset(&key)?;
                print_out(flags, &format!("Unset {}.", key));
            }
            cli::ConfigAction::List => {
                let s = config::config_list()?;
                if flags.json {
                    let payload = serde_json::json!({
                        "api_version": "1",
                        "status": "ok",
                        "data": { "config": s }
                    });
                    println!("{}", serde_json::to_string(&payload).unwrap_or_default());
                } else {
                    println!("{}", s);
                }
            }
        },

        Commands::Project { action } => {
            match action {
                cli::ProjectAction::Status => {
                    let mut is_project = false;
                    let mut project_name: Option<String> = None;
                    let mut vault_exists = false;
                    let mut vault_accessible = false;
                    let mut git_detected = false;
                    let mut git_root: Option<String> = None;
                    let mut git_remote_current: Option<String> = None;
                    let mut git_remote_bound: Option<String> = None;
                    let mut git_bound = false;
                    let mut ready_for_push = false;
                    let mut targets_configured: Vec<String> = Vec::new();

                    let proj = project::Project::find();
                    if let Ok(p) = proj {
                        is_project = true;
                        vault_exists = p.vault_path.exists();
                        let cfg = p.load_config().ok();
                        if let Some(c) = cfg.as_ref() {
                            if let Some(n) = c.name.clone() {
                                project_name = Some(n);
                            }
                            git_root = c.git_root.clone();
                            git_remote_bound = c.git_repo.clone();
                            git_bound = c.git_repo.is_some();
                        }

                        if vault_exists {
                            if let Ok(master_key) = p.get_master_key() {
                                if let Ok(v) = vault::Vault::load(&p.vault_path, master_key) {
                                    let _ = v.list(); // access to ensure decrypt succeeded
                                    vault_accessible = true;
                                }
                            }
                        }

                        if let Some(gi) = project::detect_git(None) {
                            git_detected = true;
                            git_root = Some(gi.root);
                            git_remote_current = gi.repo_slug.clone();
                        }

                        if let Ok(gc) = config::load() {
                            targets_configured = gc.targets.keys().cloned().collect();
                            targets_configured.sort();
                        }

                        ready_for_push = is_project
                            && vault_exists
                            && vault_accessible
                            && (!matches!(git_remote_bound.as_ref(), Some(_))
                                || git_remote_current == git_remote_bound)
                            && !targets_configured.is_empty();
                    }

                    if flags.json {
                        let data = ProjectStatusData {
                            is_project,
                            project_name,
                            vault_exists,
                            vault_accessible,
                            git_detected,
                            git_root,
                            git_bound,
                            git_remote_current,
                            git_remote_bound,
                            targets_configured,
                            ready_for_push,
                        };
                        let payload = project::project_status_payload(&data);
                        print_json(&payload);
                    } else {
                        println!("Project status:");
                        println!("  is_project: {}", is_project);
                        println!("  project_name: {:?}", project_name);
                        println!("  vault_exists: {}", vault_exists);
                        println!("  vault_accessible: {}", vault_accessible);
                        println!("  git_detected: {}", git_detected);
                        println!("  git_root: {:?}", git_root);
                        println!("  git_bound: {}", git_bound);
                        println!("  git_remote_current: {:?}", git_remote_current);
                        println!("  git_remote_bound: {:?}", git_remote_bound);
                        println!("  targets_configured: {:?}", targets_configured);
                        println!("  ready_for_push: {}", ready_for_push);
                    }
                }
            }
        }

        Commands::Doctor => {
            let version = env!("CARGO_PKG_VERSION").to_string();

            let global_config =
                config::ensure_global_config_exists().is_ok() && config::load().is_ok();

            let keychain_access = {
                if let Ok(entry) = Entry::new("cred-doctor", "probe") {
                    let set = entry.set_password("ok").is_ok();
                    // Some keyring backends may not support delete; treat missing delete as ok after set
                    let _ = entry.set_password("");
                    set
                } else {
                    false
                }
            };

            let (project_detected, vault_accessible) = match project::Project::find() {
                Ok(p) => {
                    let vault_ok = if p.vault_path.exists() {
                        p.get_master_key()
                            .ok()
                            .and_then(|k| vault::Vault::load(&p.vault_path, k).ok())
                            .is_some()
                    } else {
                        false
                    };
                    (true, vault_ok)
                }
                Err(_) => (false, false),
            };

            let mut targets: Vec<String> = match config::load() {
                Ok(c) => c.targets.keys().cloned().collect(),
                Err(_) => Vec::new(),
            };
            targets.sort();

            let ready_for_push = project_detected && vault_accessible && !targets.is_empty();

            let payload = serde_json::json!({
                "api_version": "1",
                "status": "ok",
                "data": {
                    "cred_installed": true,
                    "version": version,
                    "global_config": global_config,
                    "keychain_access": keychain_access,
                    "project_detected": project_detected,
                    "vault_accessible": vault_accessible,
                    "targets": targets,
                    "ready_for_push": ready_for_push
                }
            });

            if flags.json {
                print_json(&payload);
            } else {
                println!(
                    "{}",
                    serde_json::to_string_pretty(&payload).unwrap_or_default()
                );
            }
        }
    }
    Ok(())
}

/// Handle `target set`, persisting the token securely and zeroizing it afterward.
fn handle_target_set(args: SetTargetArgs, flags: &CliFlags) -> Result<(), AppError> {
    let mut token = read_token_securely(args.token, flags)?;

    config::set_target_token(&args.name.to_string(), &token).map_err(AppError::auth)?;
    println!("Target '{}' authenticated successfully.", args.name);

    token.zeroize();
    Ok(())
}

#[cfg(test)]
mod main_tests {
    use super::*;

    #[test]
    fn test_exit_codes_values() {
        assert_eq!(ExitCode::Ok as i32, 0);
        assert_eq!(ExitCode::UserError as i32, 1);
        assert_eq!(ExitCode::NotAuthenticated as i32, 2);
        assert_eq!(ExitCode::NetworkError as i32, 3);
        assert_eq!(ExitCode::TargetRejected as i32, 4);
        assert_eq!(ExitCode::VaultError as i32, 5);
        assert_eq!(ExitCode::GitError as i32, 6);
    }
}