use std::ffi::OsString;
use std::path::{Path, PathBuf};
use std::process::ExitCode;

use crate::{Pod, PodController, PromptLoader};
use clap::{CommandFactory, FromArgMatches, Parser};
use manifest::{
    PodManifest, PodManifestConfig, ProfileResolveOptions, ProfileResolver, ProfileSelector, paths,
};
use pod_store::{CombinedStore, FsPodStore, PodMetadataStore};
use session_store::{FsStore, SegmentId, Store};

#[derive(Debug, Parser)]
#[command(about = "Spawn a Pod process from a profile or a single manifest file")]
struct Cli {
    /// Profile to evaluate. Accepts an explicit path, `path:<path>`, a
    /// discovered profile name, `default`, or a source-qualified name such as
    /// `project:coder`.
    #[arg(
        long,
        value_name = "PROFILE",
        conflicts_with_all = ["manifest", "project", "pod", "session", "adopt"]
    )]
    profile: Option<String>,

    /// Pod name override for a freshly-created profile Pod. This does not use
    /// `--pod` restore semantics, so it must not attach/restore existing Pod
    /// state by re-evaluating the profile source.
    #[arg(long, value_name = "NAME", requires = "profile", conflicts_with_all = ["pod", "session", "adopt"])]
    profile_pod_name: Option<String>,

    /// Manifest TOML to use directly as a one-file compatibility/debug input.
    /// This bypasses profile discovery but still applies builtin defaults and
    /// the same required-field validation boundary.
    #[arg(long, value_name = "PATH", conflicts_with_all = ["project"])]
    manifest: Option<PathBuf>,

    /// Deprecated manifest-cascade project root flag. Ambient project/user
    /// manifest discovery has been removed; configure/select a profile instead.
    #[arg(long, value_name = "PATH")]
    project: Option<PathBuf>,

    /// Internal typed pod-name override for session restore launched by the TUI.
    #[arg(long, value_name = "NAME", requires = "session", hide = true)]
    session_pod_name: Option<String>,

    /// Internal resolved manifest config for delegated child Pod spawning.
    #[arg(
        long,
        value_name = "JSON",
        requires = "adopt",
        conflicts_with_all = ["profile", "manifest", "project", "pod", "session"],
        hide = true
    )]
    spawn_config_json: Option<String>,

    /// Directory for session persistence. Defaults to
    /// `<data_dir>/sessions/` (see `manifest::paths`).
    #[arg(short, long)]
    store: Option<PathBuf>,

    /// Claim a scope allocation pre-registered by a spawning Pod, rather
    /// than installing a new top-level allocation. Used only when this
    /// process is launched by `SpawnPod`; end users should never pass it.
    #[arg(long)]
    adopt: bool,

    /// Socket path of the spawning Pod, for delivering `Method::Notify`
    /// callbacks upward. Required alongside `--adopt`.
    #[arg(long, value_name = "PATH", requires = "adopt")]
    callback: Option<PathBuf>,

    /// Resume or create a Pod by name. If name-keyed Pod state exists,
    /// the active session/segment recorded there is restored; otherwise a
    /// fresh top-level Pod is created with this name.
    #[arg(long, value_name = "NAME", conflicts_with_all = ["session", "adopt"])]
    pod: Option<String>,

    /// Require `--pod` to restore existing Pod state instead of creating a
    /// fresh Pod when no state exists. Used by Pod discovery restore flows.
    #[arg(long, requires = "pod")]
    require_pod_state: bool,

    /// Restore a Pod from an existing session. The Pod re-uses the
    /// given session id and appends new turns to the same jsonl;
    /// concurrent writers are prevented by the pod-registry.
    /// Mutually exclusive with `--adopt` (spawned children always start
    /// fresh).
    #[arg(long, value_name = "UUID", conflicts_with_all = ["adopt", "pod"])]
    session: Option<SegmentId>,
}

fn resolve_manifest(cli: &Cli) -> Result<(PodManifest, PromptLoader), String> {
    resolve_manifest_with_profile_loader(cli, load_profile)
}

fn resolve_manifest_with_profile_loader<F>(
    cli: &Cli,
    load_profile_fn: F,
) -> Result<(PodManifest, PromptLoader), String>
where
    F: FnOnce(&ProfileSelector, Option<&str>) -> Result<(PodManifest, PromptLoader), String>,
{
    let mut manifest_and_loader = if let Some(config_json) = cli.spawn_config_json.as_deref() {
        load_spawn_config_json(config_json)?
    } else if let Some(profile) = &cli.profile {
        let selector = ProfileSelector::parse_cli(profile);
        load_profile_fn(&selector, cli.profile_pod_name.as_deref())?
    } else if let Some(path) = &cli.manifest {
        load_single_manifest(path, cli.pod.as_deref())?
    } else {
        if cli.project.is_some() {
            return Err(
                "--project is no longer supported; normal startup uses profile discovery/default, \
                 and --manifest <PATH> is the only one-file manifest mode"
                    .to_string(),
            );
        }
        let selector = ProfileSelector::Default;
        load_profile_fn(&selector, cli.pod.as_deref())?
    };

    apply_session_restore_overrides(&mut manifest_and_loader.0, cli)?;
    Ok(manifest_and_loader)
}

fn apply_session_restore_overrides(manifest: &mut PodManifest, cli: &Cli) -> Result<(), String> {
    if let Some(pod_name) = cli.session_pod_name.as_deref() {
        manifest.pod.name = pod_name.to_string();
    }
    Ok(())
}

fn load_spawn_config_json(config_json: &str) -> Result<(PodManifest, PromptLoader), String> {
    let config = serde_json::from_str::<PodManifestConfig>(config_json)
        .map_err(|e| format!("failed to parse --spawn-config-json: {e}"))?;
    let manifest = PodManifest::try_from(PodManifestConfig::builtin_defaults().merge(config))
        .map_err(|e| format!("failed to resolve --spawn-config-json: {e}"))?;
    Ok((manifest, PromptLoader::builtins_only()))
}

fn load_profile(
    selector: &ProfileSelector,
    pod_name_override: Option<&str>,
) -> Result<(PodManifest, PromptLoader), String> {
    let cwd = std::env::current_dir()
        .map_err(|e| format!("failed to resolve current directory for profile: {e}"))?;
    let resolver = ProfileResolver::new().with_workspace_base(cwd);
    let options = pod_name_override
        .map(ProfileResolveOptions::with_pod_name)
        .unwrap_or_default();
    let resolved = resolver.resolve(selector, options).map_err(|e| {
        format!(
            "failed to resolve profile {}: {e}",
            selector.display_label()
        )
    })?;
    Ok((resolved.manifest, PromptLoader::builtins_only()))
}

fn load_single_manifest(
    path: &Path,
    pod_name_override: Option<&str>,
) -> Result<(PodManifest, PromptLoader), String> {
    let toml = std::fs::read_to_string(path)
        .map_err(|e| format!("failed to read manifest {}: {e}", path.display()))?;
    let absolute_path = if path.is_absolute() {
        path.to_path_buf()
    } else {
        std::env::current_dir()
            .map_err(|e| format!("failed to resolve current directory: {e}"))?
            .join(path)
    };
    let base_dir = absolute_path.parent().ok_or_else(|| {
        format!(
            "manifest path {} has no parent directory",
            absolute_path.display()
        )
    })?;
    let mut config = PodManifestConfig::builtin_defaults().merge(
        PodManifestConfig::from_toml(&toml)
            .map_err(|e| format!("failed to parse manifest {}: {e}", path.display()))?
            .resolve_paths(base_dir),
    );
    if let Some(pod_name) = pod_name_override {
        config.pod.name = Some(pod_name.to_string());
    }
    let manifest = PodManifest::try_from(config)
        .map_err(|e| format!("failed to resolve manifest {}: {e}", path.display()))?;
    Ok((manifest, PromptLoader::builtins_only()))
}

pub async fn run_cli() -> ExitCode {
    run_cli_from("yoi pod", std::env::args_os().skip(1)).await
}

pub async fn run_cli_from<I, T>(bin_name: &'static str, args: I) -> ExitCode
where
    I: IntoIterator<Item = T>,
    T: Into<OsString>,
{
    let cli = match parse_cli_from(bin_name, args) {
        Ok(cli) => cli,
        Err(err) => {
            let code = err.exit_code();
            if let Err(print_err) = err.print() {
                eprintln!("error: failed to write CLI error: {print_err}");
            }
            return exit_code_from_i32(code);
        }
    };

    run_cli_inner(cli).await
}

fn parse_cli_from<I, T>(bin_name: &'static str, args: I) -> Result<Cli, clap::Error>
where
    I: IntoIterator<Item = T>,
    T: Into<OsString>,
{
    let argv = std::iter::once(OsString::from(bin_name))
        .chain(args.into_iter().map(Into::into))
        .collect::<Vec<_>>();
    let matches = Cli::command()
        .name(bin_name)
        .bin_name(bin_name)
        .try_get_matches_from(argv)?;
    Cli::from_arg_matches(&matches)
}

fn exit_code_from_i32(code: i32) -> ExitCode {
    match code {
        0 => ExitCode::SUCCESS,
        1 => ExitCode::FAILURE,
        code => ExitCode::from(code.clamp(0, u8::MAX as i32) as u8),
    }
}

async fn run_cli_inner(cli: Cli) -> ExitCode {
    let (mut manifest, loader) = match resolve_manifest(&cli) {
        Ok(pair) => pair,
        Err(e) => {
            eprintln!("error: {e}");
            return ExitCode::FAILURE;
        }
    };

    // Initialize persistent store. `paths::sessions_dir()` only
    // returns None when none of YOI_HOME / YOI_DATA_DIR /
    // HOME is set — surface that as a hard error to match the
    // runtime-dir resolution below, rather than silently writing to a
    // relative path under cwd.
    let store_dir = match cli.store.clone() {
        Some(p) => p,
        None => match paths::sessions_dir() {
            Some(d) => d,
            None => {
                eprintln!(
                    "error: could not resolve sessions directory \
                     (set --store, YOI_HOME, YOI_DATA_DIR, or HOME)"
                );
                return ExitCode::FAILURE;
            }
        },
    };
    let session_store = match FsStore::new(&store_dir) {
        Ok(s) => s,
        Err(e) => {
            eprintln!("error: failed to initialize session store at {store_dir:?}: {e}");
            return ExitCode::FAILURE;
        }
    };
    let pod_store_dir = match paths::data_dir() {
        Some(data_dir) => data_dir.join("pods"),
        None => store_dir
            .parent()
            .map(|parent| parent.join("pods"))
            .unwrap_or_else(|| PathBuf::from("pods")),
    };
    let pod_store = match FsPodStore::new(&pod_store_dir) {
        Ok(s) => s,
        Err(e) => {
            eprintln!("error: failed to initialize pod store at {pod_store_dir:?}: {e}");
            return ExitCode::FAILURE;
        }
    };
    let store = CombinedStore::new(session_store, pod_store);

    let pod = if cli.adopt {
        let callback = match cli.callback.clone() {
            Some(p) => p,
            None => {
                eprintln!("error: --adopt requires --callback");
                return ExitCode::FAILURE;
            }
        };
        match Pod::from_manifest_spawned(manifest, store, loader, callback).await {
            Ok(p) => p,
            Err(e) => {
                eprintln!("error: failed to create spawned pod: {e}");
                return ExitCode::FAILURE;
            }
        }
    } else if let Some(source_segment_id) = cli.session {
        let source_session_id = match store.lookup_session_of(source_segment_id) {
            Ok(Some(sid)) => sid,
            Ok(None) => {
                eprintln!(
                    "error: --session {source_segment_id}: segment is not registered to any session"
                );
                return ExitCode::FAILURE;
            }
            Err(e) => {
                eprintln!("error: lookup_session_of failed: {e}");
                return ExitCode::FAILURE;
            }
        };
        match Pod::restore_from_manifest(
            source_session_id,
            source_segment_id,
            manifest,
            store,
            loader,
        )
        .await
        {
            Ok(p) => p,
            Err(e) => {
                eprintln!("error: failed to restore pod: {e}");
                return ExitCode::FAILURE;
            }
        }
    } else if let Some(pod_name) = cli.pod.as_deref() {
        manifest.pod.name = pod_name.to_string();
        match store.read_by_name(pod_name) {
            Ok(Some(_)) => {
                match Pod::restore_from_pod_metadata(pod_name, manifest, store, loader).await {
                    Ok(p) => p,
                    Err(e) => {
                        eprintln!("error: failed to restore pod {pod_name}: {e}");
                        return ExitCode::FAILURE;
                    }
                }
            }
            Ok(None) if cli.require_pod_state => {
                eprintln!("error: pod state missing for {pod_name}");
                return ExitCode::FAILURE;
            }
            Ok(None) => match Pod::from_manifest(manifest, store, loader).await {
                Ok(p) => p,
                Err(e) => {
                    eprintln!("error: failed to create pod {pod_name}: {e}");
                    return ExitCode::FAILURE;
                }
            },
            Err(e) => {
                eprintln!("error: failed to read pod state for {pod_name}: {e}");
                return ExitCode::FAILURE;
            }
        }
    } else {
        match Pod::from_manifest(manifest, store, loader).await {
            Ok(p) => p,
            Err(e) => {
                eprintln!("error: failed to create pod: {e}");
                return ExitCode::FAILURE;
            }
        }
    };
    let pod_name = pod.manifest().pod.name.clone();

    // Spawn the controller (starts socket server)
    let runtime_base = match paths::runtime_dir() {
        Some(d) => d,
        None => {
            eprintln!(
                "error: could not resolve runtime directory \
                 (set YOI_HOME, YOI_RUNTIME_DIR, XDG_RUNTIME_DIR, or HOME)"
            );
            return ExitCode::FAILURE;
        }
    };
    let (handle, shutdown_rx) = match PodController::spawn(pod, &runtime_base).await {
        Ok(pair) => pair,
        Err(e) => {
            eprintln!("error: failed to start pod controller: {e}");
            return ExitCode::FAILURE;
        }
    };

    let socket_path = handle.runtime_dir.socket_path();
    // Machine-readable ready line for parents that spawned this Pod
    // (e.g. the TUI's interactive `spawn` flow). Tab-separated so a
    // pod name with spaces still parses cleanly. Emit before the
    // human line so a stderr-watching parent sees it first.
    eprintln!("YOI-READY\t{pod_name}\t{}", socket_path.display());
    eprintln!("pod: {pod_name} listening on {:?}", socket_path);

    tokio::select! {
        _ = tokio::signal::ctrl_c() => {
            eprintln!("pod: {pod_name} shutting down (signal)");
        }
        _ = shutdown_rx => {
            eprintln!("pod: {pod_name} shutting down (client request)");
        }
    }

    drop(handle);
    ExitCode::SUCCESS
}

#[cfg(test)]
mod tests {
    use super::*;
    use tempfile::TempDir;

    fn write(path: &Path, contents: &str) {
        if let Some(parent) = path.parent() {
            std::fs::create_dir_all(parent).unwrap();
        }
        std::fs::write(path, contents).unwrap();
    }

    fn manifest_toml(name: &str, scope: &Path) -> String {
        format!(
            r#"
[pod]
name = "{name}"

[model]
scheme = "anthropic"
model_id = "test-model"

[worker]

[[scope.allow]]
target = "{scope}"
permission = "write"
"#,
            scope = scope.display()
        )
    }

    #[test]
    fn user_manifest_flag_is_not_accepted() {
        let err = Cli::try_parse_from(["yoi pod", "--user-manifest", "manifest.toml"]).unwrap_err();
        assert_eq!(err.kind(), clap::error::ErrorKind::UnknownArgument);
    }

    #[test]
    fn subcommand_help_uses_yoi_pod_invocation() {
        let err = parse_cli_from("yoi pod", ["--help"]).unwrap_err();
        assert_eq!(err.kind(), clap::error::ErrorKind::DisplayHelp);
        let help = err.to_string();
        assert!(help.contains("Usage: yoi pod"), "{help}");
        assert!(help.contains("--pod <NAME>"), "{help}");
    }

    #[test]
    fn manifest_conflicts_with_project() {
        let project_err =
            Cli::try_parse_from(["yoi pod", "--manifest", "manifest.toml", "--project", "."])
                .unwrap_err();
        assert_eq!(project_err.kind(), clap::error::ErrorKind::ArgumentConflict);
    }

    #[test]
    fn overlay_flag_is_not_accepted() {
        let err = Cli::try_parse_from(["yoi pod", "--overlay", "pod.name = 'x'"]).unwrap_err();
        assert_eq!(err.kind(), clap::error::ErrorKind::UnknownArgument);
    }

    #[test]
    fn manifest_loads_single_file_without_user_or_workspace_prompt_loader() {
        let tmp = TempDir::new().unwrap();
        let manifest = tmp.path().join("manifest.toml");
        write(&manifest, &manifest_toml("single", tmp.path()));
        let cli =
            Cli::try_parse_from(["yoi pod", "--manifest", manifest.to_str().unwrap()]).unwrap();

        let (manifest, loader) = resolve_manifest(&cli).unwrap();

        assert_eq!(manifest.pod.name, "single");
        assert!(loader.user_dir().is_none());
        assert!(loader.workspace_dir().is_none());
    }

    #[test]
    fn manifest_mode_does_not_apply_workspace_local_override() {
        let tmp = TempDir::new().unwrap();
        let yoi_dir = tmp.path().join(".yoi");
        std::fs::create_dir_all(&yoi_dir).unwrap();
        write(
            &yoi_dir.join("override.local.toml"),
            r#"
[pod]
name = "from-local-override"
[worker]
language = "override"
"#,
        );
        let manifest_path = tmp.path().join("manifest.toml");
        write(
            &manifest_path,
            &format!(
                r#"
[pod]
name = "from-single-file"

[model]
scheme = "anthropic"
model_id = "test-model"

[worker]
language = "manifest"

[[scope.allow]]
target = "{}"
permission = "write"
"#,
                tmp.path().display()
            ),
        );

        let cli = Cli::try_parse_from(["yoi pod", "--manifest", manifest_path.to_str().unwrap()])
            .unwrap();
        let (manifest, _loader) = resolve_manifest(&cli).unwrap();

        assert_eq!(manifest.pod.name, "from-single-file");
        assert_eq!(manifest.worker.language, "manifest");
    }

    #[test]
    fn profile_uses_selected_profile() {
        let tmp = TempDir::new().unwrap();
        let profile = tmp.path().join("profile.lua");
        let cli = Cli::try_parse_from([
            "yoi pod",
            "--profile",
            profile.to_str().unwrap(),
            "--profile-pod-name",
            "from-profile-name",
        ])
        .unwrap();
        let mut called = false;

        let (manifest, loader) =
            resolve_manifest_with_profile_loader(&cli, |selector, pod_name| {
                called = true;
                assert_eq!(selector, &ProfileSelector::path(profile.clone()));
                assert_eq!(pod_name, Some("from-profile-name"));
                let mut manifest =
                    PodManifest::from_toml(&manifest_toml("from-profile", tmp.path())).unwrap();
                if let Some(pod_name) = pod_name {
                    manifest.pod.name = pod_name.to_string();
                }
                Ok((manifest, PromptLoader::builtins_only()))
            })
            .unwrap();

        assert!(called);
        assert_eq!(manifest.pod.name, "from-profile-name");
        assert!(loader.user_dir().is_none());
        assert!(loader.workspace_dir().is_none());
    }

    #[test]
    fn profile_accepts_source_qualified_discovered_name() {
        let tmp = TempDir::new().unwrap();
        let cli = Cli::try_parse_from([
            "yoi pod",
            "--profile",
            "project:coder",
            "--profile-pod-name",
            "from-profile-name",
        ])
        .unwrap();
        let mut called = false;

        let (manifest, _loader) =
            resolve_manifest_with_profile_loader(&cli, |selector, pod_name| {
                called = true;
                assert_eq!(
                    selector,
                    &ProfileSelector::source_named(
                        manifest::ProfileRegistrySource::Project,
                        "coder"
                    )
                );
                let mut manifest =
                    PodManifest::from_toml(&manifest_toml("from-profile", tmp.path())).unwrap();
                if let Some(pod_name) = pod_name {
                    manifest.pod.name = pod_name.to_string();
                }
                Ok((manifest, PromptLoader::builtins_only()))
            })
            .unwrap();

        assert!(called);
        assert_eq!(manifest.pod.name, "from-profile-name");
    }

    #[test]
    fn normal_startup_uses_default_profile() {
        let tmp = TempDir::new().unwrap();
        let cli = Cli::try_parse_from(["yoi pod"]).unwrap();
        let mut called = false;

        let (manifest, _loader) =
            resolve_manifest_with_profile_loader(&cli, |selector, pod_name| {
                called = true;
                assert_eq!(selector, &ProfileSelector::Default);
                assert_eq!(pod_name, None);
                let manifest =
                    PodManifest::from_toml(&manifest_toml("from-default-profile", tmp.path()))
                        .unwrap();
                Ok((manifest, PromptLoader::builtins_only()))
            })
            .unwrap();

        assert!(called);
        assert_eq!(manifest.pod.name, "from-default-profile");
    }

    #[test]
    fn project_flag_no_longer_enables_ambient_manifest_cascade() {
        let cli = Cli::try_parse_from(["yoi pod", "--project", "."]).unwrap();
        let err = resolve_manifest_with_profile_loader(&cli, |_, _| {
            panic!("default profile loader must not run when deprecated --project is present")
        })
        .unwrap_err();
        assert!(err.contains("--project is no longer supported"));
    }

    #[test]
    fn pod_flag_conflicts_with_session() {
        let segment_id = session_store::new_segment_id();
        let segment_id = segment_id.to_string();
        let err = Cli::try_parse_from(["yoi pod", "--pod", "agent", "--session", &segment_id])
            .unwrap_err();
        assert_eq!(err.kind(), clap::error::ErrorKind::ArgumentConflict);
    }

    #[test]
    fn pod_flag_sets_requested_name_after_manifest_resolution() {
        let tmp = TempDir::new().unwrap();
        let manifest = tmp.path().join("manifest.toml");
        write(&manifest, &manifest_toml("from-file", tmp.path()));
        let cli = Cli::try_parse_from([
            "yoi pod",
            "--manifest",
            manifest.to_str().unwrap(),
            "--pod",
            "from-flag",
        ])
        .unwrap();

        let (manifest, _loader) = resolve_manifest(&cli).unwrap();

        assert_eq!(manifest.pod.name, "from-flag");
    }

    #[test]
    fn pod_flag_supplies_missing_name_for_single_manifest() {
        let tmp = TempDir::new().unwrap();
        let manifest = tmp.path().join("manifest.toml");
        write(
            &manifest,
            r#"
[pod]

[model]
scheme = "anthropic"
model_id = "test-model"

[[scope.allow]]
target = "."
permission = "write"
"#,
        );
        let cli = Cli::try_parse_from([
            "yoi pod",
            "--manifest",
            manifest.to_str().unwrap(),
            "--pod",
            "from-flag",
        ])
        .unwrap();

        let (manifest, _loader) = resolve_manifest(&cli).unwrap();

        assert_eq!(manifest.pod.name, "from-flag");
        assert_eq!(manifest.scope.allow[0].target, tmp.path());
    }

    #[test]
    fn pod_flag_with_no_manifest_creates_from_default_profile_with_typed_name() {
        let tmp = TempDir::new().unwrap();
        let cli = Cli::try_parse_from(["yoi pod", "--pod", "agent"]).unwrap();
        let mut called = false;

        let (manifest, _loader) =
            resolve_manifest_with_profile_loader(&cli, |selector, pod_name| {
                called = true;
                assert_eq!(selector, &ProfileSelector::Default);
                assert_eq!(pod_name, Some("agent"));
                let mut manifest =
                    PodManifest::from_toml(&manifest_toml("from-default-profile", tmp.path()))
                        .unwrap();
                if let Some(pod_name) = pod_name {
                    manifest.pod.name = pod_name.to_string();
                }
                Ok((manifest, PromptLoader::builtins_only()))
            })
            .unwrap();

        assert!(called);
        assert_eq!(manifest.pod.name, "agent");
    }

    #[test]
    fn profile_conflicts_with_manifest_and_restore_modes() {
        let segment_id = session_store::new_segment_id().to_string();
        for args in [
            vec!["yoi pod", "--profile", "p.lua", "--manifest", "m.toml"],
            vec!["yoi pod", "--profile", "p.lua", "--pod", "agent"],
            vec!["yoi pod", "--profile", "p.lua", "--session", &segment_id],
        ] {
            let err = Cli::try_parse_from(args).unwrap_err();
            assert_eq!(err.kind(), clap::error::ErrorKind::ArgumentConflict);
        }
    }

    #[test]
    fn profile_pod_name_requires_profile() {
        let err = Cli::try_parse_from(["yoi pod", "--profile-pod-name", "agent"]).unwrap_err();
        assert_eq!(err.kind(), clap::error::ErrorKind::MissingRequiredArgument);
    }

    #[test]
    fn profile_pod_name_is_not_restore_pod_flag() {
        let cli = Cli::try_parse_from([
            "yoi pod",
            "--profile",
            "p.lua",
            "--profile-pod-name",
            "agent",
        ])
        .unwrap();
        assert_eq!(cli.profile_pod_name.as_deref(), Some("agent"));
        assert!(cli.pod.is_none());
    }

    #[test]
    fn manifest_mode_loads_single_file_with_minimal_prompt_loader() {
        let tmp = TempDir::new().unwrap();
        let single_manifest = tmp.path().join("single.toml");
        write(&single_manifest, &manifest_toml("single-file", tmp.path()));
        std::fs::create_dir_all(tmp.path().join("prompts")).unwrap();
        std::fs::create_dir_all(tmp.path().join(".yoi").join("prompts")).unwrap();
        let cli = Cli::try_parse_from(["yoi pod", "--manifest", single_manifest.to_str().unwrap()])
            .unwrap();

        let (manifest, loader) = resolve_manifest(&cli).unwrap();

        assert_eq!(manifest.pod.name, "single-file");
        assert!(loader.user_dir().is_none());
        assert!(loader.workspace_dir().is_none());
        assert!(loader.user_pack_file().is_none());
        assert!(loader.workspace_pack_file().is_none());
    }
}