code-moniker 0.4.0

use std::path::PathBuf;

use clap::builder::{PossibleValuesParser, TypedValueParser};
use clap::{ArgAction, Args as ClapArgs, Parser, Subcommand, ValueEnum};

use crate::extract::Predicate;
use code_moniker_core::core::moniker::Moniker;
use code_moniker_core::core::shape::Shape;
use code_moniker_core::core::uri::{UriConfig, from_uri};

const ASCII_LOGO: &str = "
    ◆ code+moniker://
    └─◆ lang:ts
      └─◆ class:Util
";

#[derive(Debug, Parser)]
#[command(name = "code-moniker", before_help = ASCII_LOGO, version)]
pub struct Cli {
	#[command(subcommand)]
	pub command: Command,
}

#[derive(Debug, Subcommand)]
pub enum Command {
	#[command(about = "Extract a moniker graph from a file or directory.")]
	Extract(ExtractArgs),
	#[command(about = "Report extraction metrics for a file or directory.")]
	Stats(StatsArgs),
	#[command(about = "Lint a path against .code-moniker.toml rules.")]
	Check(CheckArgs),
	#[command(about = "Report git changes as symbol-level facts instead of lines.")]
	Diff(DiffArgs),
	#[command(about = "Create and toggle the project rules file.")]
	Rules(RulesArgs),
	#[cfg(feature = "tui")]
	#[command(about = "Open a read-only terminal architecture explorer.")]
	Ui(UiArgs),
	#[cfg(feature = "mcp")]
	#[command(about = "Start a local stateless MCP HTTP endpoint.")]
	Mcp(McpArgs),
	#[command(about = "Manage a code-moniker workspace daemon.")]
	Daemon(DaemonArgs),
	#[command(about = "Send a human-readable query DSL request to a workspace daemon.")]
	Query(QueryArgs),
	#[command(about = "Install live agent harness configuration.")]
	Harness(HarnessArgs),
	#[command(about = "List supported languages, or kinds of one.")]
	Langs(LangsArgs),
	#[command(about = "Show the shape vocabulary.")]
	Shapes(ShapesArgs),
	#[command(
		about = "Extract declared dependencies from a build manifest (auto-detected by filename) or every manifest under a directory."
	)]
	Manifest(ManifestArgs),
}

#[derive(Debug, ClapArgs)]
pub struct DaemonArgs {
	#[command(subcommand)]
	pub command: DaemonCommand,
}

#[derive(Debug, Subcommand)]
pub enum DaemonCommand {
	#[command(about = "Start a foreground daemon for a workspace root.")]
	Start(DaemonRootArgs),
	#[command(about = "Print daemon status for a workspace root.")]
	Status(DaemonRootArgs),
	#[command(about = "Ask a workspace daemon to shut down.")]
	Stop(DaemonRootArgs),
	#[command(about = "List daemon registry entries.")]
	List,
}

#[derive(Debug, ClapArgs)]
pub struct DaemonRootArgs {
	#[arg(value_name = "WORKSPACE_ROOT", default_value = ".", num_args = 1..)]
	pub workspace_roots: Vec<PathBuf>,

	#[arg(
		long,
		value_name = "NAME",
		help = "project component of the anchor moniker; defaults to '.'"
	)]
	pub project: Option<String>,

	#[arg(
		long,
		value_name = "DIR",
		env = "CODE_MONIKER_CACHE_DIR",
		help = "enable on-disk cache of extracted graphs at DIR (empty = disabled)"
	)]
	pub cache: Option<PathBuf>,

	#[arg(
		long,
		value_enum,
		default_value_t = LiveRefresh::OnDemand,
		help = "live index policy attached to this daemon identity"
	)]
	pub live_refresh: LiveRefresh,
}

#[derive(Debug, ClapArgs)]
pub struct QueryArgs {
	#[arg(
		short = 'r',
		long = "root",
		value_name = "WORKSPACE_ROOT",
		action = ArgAction::Append,
		help = "Workspace root attached to the daemon. Repeat for multi-root sessions."
	)]
	pub workspace_roots: Vec<PathBuf>,

	#[arg(
		long,
		value_name = "NAME",
		help = "project component of the daemon identity; defaults to '.'"
	)]
	pub project: Option<String>,

	#[arg(
		long,
		value_name = "DIR",
		env = "CODE_MONIKER_CACHE_DIR",
		help = "on-disk cache directory attached to the daemon identity"
	)]
	pub cache: Option<PathBuf>,

	#[arg(
		long,
		value_enum,
		default_value_t = LiveRefresh::OnDemand,
		help = "live index policy attached to the daemon identity"
	)]
	pub live_refresh: LiveRefresh,

	#[arg(value_name = "QUERY")]
	pub query: String,

	#[arg(long, help = "Print the structured query response DTO as JSON.")]
	pub json: bool,

	#[arg(
		long,
		value_enum,
		default_value_t = QueryConsistency::StaleOk,
		help = "Snapshot freshness: stale-ok answers immediately, refresh-if-stale reindexes first, current fails on a stale workspace. A `consistency` field in the query text wins."
	)]
	pub(crate) consistency: QueryConsistency,
}

#[derive(Copy, Clone, Debug, Eq, PartialEq, ValueEnum)]
pub(crate) enum QueryConsistency {
	StaleOk,
	RefreshIfStale,
	Current,
}

#[derive(Debug, ClapArgs)]
pub struct HarnessArgs {
	#[command(subcommand)]
	pub command: HarnessCommand,
}

#[derive(Debug, ClapArgs)]
pub struct RulesArgs {
	#[command(subcommand)]
	pub command: RulesCommand,
}

#[derive(Debug, Subcommand)]
pub enum RulesCommand {
	#[command(about = "Create a project .code-moniker.toml with detected aliases.")]
	Init(RulesFileArgs),
	#[command(about = "Disable embedded default rules in .code-moniker.toml.")]
	Disable(RulesFileArgs),
	#[command(about = "Enable embedded default rules in .code-moniker.toml.")]
	Enable(RulesFileArgs),
	#[command(about = "Show the effective compiled rules after defaults, overlay, and profile.")]
	Show(RulesShowArgs),
	#[command(about = "Print focused DSL documentation and copyable rule snippets.")]
	Learn(RulesLearnArgs),
	#[command(about = "Evaluate a rules TOML fragment against a source file or stdin.")]
	Eval(RulesEvalArgs),
}

#[derive(Debug, ClapArgs)]
pub struct RulesFileArgs {
	#[arg(value_name = "ROOT", default_value = ".")]
	pub root: PathBuf,

	#[arg(
		long,
		value_name = "PATH",
		default_value = ".code-moniker.toml",
		help = "project rules file, resolved from ROOT unless absolute"
	)]
	pub rules: PathBuf,
}

#[derive(Debug, ClapArgs)]
pub struct RulesShowArgs {
	#[arg(value_name = "ROOT", default_value = ".")]
	pub root: PathBuf,

	#[arg(
		long,
		value_name = "PATH",
		default_value = ".code-moniker.toml",
		help = "project rules file, resolved from ROOT unless absolute"
	)]
	pub rules: PathBuf,

	#[arg(
		long,
		value_enum,
		default_value_t = RulesShowFormat::Text,
		help = "output format"
	)]
	pub format: RulesShowFormat,

	#[arg(
		long = "default-rules",
		value_enum,
		help = "override whether embedded default rules are loaded before applying --rules"
	)]
	pub default_rules: Option<DefaultRules>,

	#[arg(
		long,
		value_name = "NAME",
		help = "filter rules through a named profile from .code-moniker.toml"
	)]
	pub profile: Option<String>,
}

#[derive(Debug, ClapArgs)]
pub struct RulesLearnArgs {
	#[arg(
		value_name = "TOPIC",
		help = "DSL topic to print, for example basics, paths, refs, collections, or metrics; omit to print every topic"
	)]
	pub topic: Option<String>,

	#[arg(
		long,
		value_enum,
		default_value_t = RulesLearnFormat::Text,
		help = "output format"
	)]
	pub format: RulesLearnFormat,
}

#[derive(Debug, ClapArgs)]
pub struct RulesEvalArgs {
	#[arg(
		long,
		value_name = "PATH",
		help = "rules TOML to evaluate: a real .code-moniker.toml fragment (rules, aliases, profiles)"
	)]
	pub rules: PathBuf,

	#[arg(
		long,
		value_name = "TAG",
		help = "language tag of the sample, for example rs, ts, py, go, java, cs, sql"
	)]
	pub lang: String,

	#[arg(
		long,
		value_name = "NAME",
		help = "filter rules through a named profile from the rules TOML"
	)]
	pub profile: Option<String>,

	#[arg(
		long = "default-rules",
		value_enum,
		help = "override whether embedded default rules are loaded before applying the rules TOML"
	)]
	pub default_rules: Option<DefaultRules>,

	#[arg(
		long,
		value_enum,
		default_value_t = RulesShowFormat::Text,
		help = "output format"
	)]
	pub format: RulesShowFormat,

	#[arg(
		value_name = "FILE",
		help = "sample source file to evaluate; reads stdin when omitted"
	)]
	pub source: Option<PathBuf>,
}

#[derive(Copy, Clone, Debug, Eq, PartialEq, ValueEnum)]
pub enum RulesShowFormat {
	Text,
	Json,
}

#[derive(Copy, Clone, Debug, Eq, PartialEq, ValueEnum)]
pub enum RulesLearnFormat {
	Text,
	Json,
}

#[derive(Debug, Subcommand)]
pub enum HarnessCommand {
	#[command(about = "Install a project-local Codex PostToolUse hook.")]
	Codex(CodexHarnessArgs),
	#[command(about = "Install a project-local Claude Code PostToolUse hook.")]
	Claude(CodexHarnessArgs),
	#[command(about = "Install a project-local Gemini CLI AfterTool hook.")]
	Gemini(CodexHarnessArgs),
	#[command(hide = true)]
	ToolFiles(HarnessToolFilesArgs),
}

#[derive(Debug, ClapArgs)]
pub struct CodexHarnessArgs {
	#[arg(value_name = "ROOT", default_value = ".")]
	pub root: PathBuf,

	#[arg(
		long,
		value_name = "PATH",
		default_value = ".code-moniker.toml",
		help = "project rules file, resolved from ROOT unless absolute"
	)]
	pub rules: PathBuf,

	#[arg(
		long,
		value_name = "NAME",
		help = "optional profile that the live harness must run"
	)]
	pub profile: Option<String>,

	#[arg(
		long,
		value_name = "PATH",
		default_value = ".",
		help = "project scope checked by the hook, resolved from ROOT"
	)]
	pub scope: PathBuf,

	#[arg(
		long,
		value_name = "N",
		default_value_t = 10,
		help = "maximum violations printed by the generated live harness check"
	)]
	pub max_violations: usize,
}

#[derive(Debug, ClapArgs)]
pub struct HarnessToolFilesArgs {
	#[arg(value_enum)]
	pub backend: HarnessToolBackend,

	#[arg(value_name = "HOOK_INPUT_JSON")]
	pub input: PathBuf,
}

#[derive(Copy, Clone, Debug, Eq, PartialEq, ValueEnum)]
pub enum HarnessToolBackend {
	Codex,
	Claude,
	Gemini,
}

#[derive(Debug, ClapArgs)]
pub struct ShapesArgs {
	#[arg(long, value_enum, default_value_t = LangsFormat::Text)]
	pub format: LangsFormat,
}

#[derive(Debug, ClapArgs)]
pub struct LangsArgs {
	#[arg(
		value_name = "LANG",
		help = "language tag (e.g. rs, ts, java, python, go, cs, sql); omit to list every tag"
	)]
	pub lang: Option<String>,

	#[arg(long, value_enum, default_value_t = LangsFormat::Text)]
	pub format: LangsFormat,
}

#[derive(Copy, Clone, Debug, Eq, PartialEq, ValueEnum)]
pub enum LangsFormat {
	Text,
	Json,
}

#[derive(Debug, ClapArgs)]
pub struct CheckArgs {
	#[arg(value_name = "PATH")]
	pub path: PathBuf,

	#[arg(
		long,
		value_name = "PATH",
		default_value = ".code-moniker.toml",
		help = "user TOML rules file; missing file is ignored"
	)]
	pub rules: PathBuf,

	#[arg(
		long = "rules-inline",
		value_name = "TOML",
		action = ArgAction::Append,
		help = "inline TOML rules overlay; repeatable and merged after --rules fragments"
	)]
	pub rules_inline: Vec<String>,

	#[arg(long, value_enum, default_value_t = CheckFormat::Text)]
	pub format: CheckFormat,

	#[arg(
		long = "default-rules",
		value_enum,
		help = "override whether embedded default rules are loaded before applying --rules"
	)]
	pub default_rules: Option<DefaultRules>,

	#[arg(
		long,
		help = "print per-rule observability, including implication antecedent hit counts"
	)]
	pub report: bool,

	#[arg(
		long,
		value_name = "NAME",
		help = "filter rules through a named profile from .code-moniker.toml"
	)]
	pub profile: Option<String>,

	#[arg(
		long,
		value_name = "N",
		help = "maximum violations to print in text/codex-hook output; selects the largest failed rule group and shows the first N by path"
	)]
	pub max_violations: Option<usize>,

	#[arg(
		long = "file",
		value_name = "PATH",
		help = "when PATH is a directory, check only this touched file; repeatable"
	)]
	pub files: Vec<PathBuf>,

	#[arg(
		long,
		value_name = "PATH",
		hide = true,
		help = "unstable: run an executable scenario document (`-` reads stdin); PATH is ignored"
	)]
	pub scenario: Option<PathBuf>,
}

#[derive(Copy, Clone, Debug, Eq, PartialEq, ValueEnum)]
pub enum CheckFormat {
	Text,
	Json,
	CodexHook,
}

#[derive(Copy, Clone, Debug, Eq, PartialEq, ValueEnum)]
pub enum DefaultRules {
	On,
	Off,
}

#[derive(Debug, ClapArgs)]
pub struct DiffArgs {
	#[arg(
		value_name = "RANGE_OR_PATH",
		default_value = ".",
		help = "a <base>..<head> / <base>...<head> revision range, or the workspace path"
	)]
	pub target: String,

	#[arg(
		value_name = "PATH",
		help = "workspace path when the first argument is a range"
	)]
	pub path: Option<PathBuf>,

	#[arg(
		long,
		value_name = "REV",
		help = "base revision compared against the worktree (conflicts with a range)"
	)]
	pub base: Option<String>,

	#[arg(long, value_enum, default_value_t = DiffFormat::Text)]
	pub(crate) format: DiffFormat,

	#[arg(
		long,
		help = "detail retargeted references instead of the collapsed per-file count"
	)]
	pub refs: bool,

	#[arg(
		long,
		value_name = "NAME",
		help = "project name for moniker anchors (defaults to the directory name)"
	)]
	pub project: Option<String>,
}

#[derive(Copy, Clone, Debug, Eq, PartialEq, ValueEnum)]
pub(crate) enum DiffFormat {
	Text,
	Json,
}

impl DefaultRules {
	pub fn enabled(self) -> bool {
		matches!(self, Self::On)
	}
}

#[derive(Copy, Clone, Debug, Default, Eq, PartialEq, ValueEnum)]
pub enum LiveRefresh {
	#[default]
	OnDemand,
	Auto,
}

impl LiveRefresh {
	pub fn is_on_demand(self) -> bool {
		matches!(self, Self::OnDemand)
	}
}

#[cfg(feature = "tui")]
#[derive(Debug, ClapArgs)]
pub struct UiArgs {
	#[arg(value_name = "PATH", default_value = ".", num_args = 1..)]
	pub paths: Vec<PathBuf>,

	#[arg(
		long,
		value_name = "SCHEME",
		help = "URI scheme; defaults to code+moniker://"
	)]
	pub scheme: Option<String>,

	#[arg(
		long,
		value_name = "NAME",
		help = "project component of the anchor moniker; defaults to '.'"
	)]
	pub project: Option<String>,

	#[arg(
		long,
		value_name = "DIR",
		env = "CODE_MONIKER_CACHE_DIR",
		help = "enable on-disk cache of extracted graphs at DIR (empty = disabled)"
	)]
	pub cache: Option<PathBuf>,

	#[arg(
		long,
		value_name = "PATH",
		default_value = ".code-moniker.toml",
		help = "user TOML overlay for the check view"
	)]
	pub rules: PathBuf,

	#[arg(
		long,
		value_name = "NAME",
		help = "filter check rules through a named profile from .code-moniker.toml"
	)]
	pub profile: Option<String>,

	#[arg(long, help = "show TUI component debug markers")]
	pub debug: bool,

	#[arg(
		long,
		value_enum,
		default_value_t = LiveRefresh::OnDemand,
		help = "live index policy: on-demand marks changes stale until a manual refresh; auto refreshes on every change"
	)]
	pub live_refresh: LiveRefresh,
}

#[cfg(feature = "mcp")]
#[derive(Debug, ClapArgs)]
pub struct McpArgs {
	#[arg(value_name = "PATH", default_value = ".", num_args = 1..)]
	pub paths: Vec<PathBuf>,

	#[arg(
		long,
		value_name = "SCHEME",
		help = "URI scheme; defaults to code+moniker://"
	)]
	pub scheme: Option<String>,

	#[arg(
		long,
		value_name = "NAME",
		help = "project component of the anchor moniker; defaults to '.'"
	)]
	pub project: Option<String>,

	#[arg(
		long,
		value_name = "DIR",
		env = "CODE_MONIKER_CACHE_DIR",
		help = "enable on-disk cache of extracted graphs at DIR (empty = disabled)"
	)]
	pub cache: Option<PathBuf>,

	#[arg(
		long,
		alias = "mcp-port",
		value_name = "PORT",
		default_value_t = 3210,
		help = "TCP port for the MCP endpoint"
	)]
	pub port: u16,

	#[arg(
		long,
		value_enum,
		default_value_t = LiveRefresh::OnDemand,
		help = "live index policy: on-demand marks changes stale until the refresh tool runs; auto refreshes on every change"
	)]
	pub live_refresh: LiveRefresh,
}

#[derive(Debug, ClapArgs)]
pub struct StatsArgs {
	#[arg(value_name = "PATH", num_args = 1..)]
	pub paths: Vec<PathBuf>,

	#[arg(long, value_enum, default_value_t = StatsFormat::Tsv)]
	pub format: StatsFormat,

	#[arg(
		long,
		value_enum,
		default_value_t = ColorChoice::Auto,
		help = "ANSI color for --format tree: auto = on if stdout is a TTY (honors NO_COLOR / CLICOLOR / CLICOLOR_FORCE)"
	)]
	pub color: ColorChoice,

	#[arg(
		long,
		value_enum,
		default_value_t = Charset::Utf8,
		help = "glyph set for --format tree"
	)]
	pub charset: Charset,

	#[arg(
		long,
		value_name = "NAME",
		help = "project component of the anchor moniker; defaults to '.'"
	)]
	pub project: Option<String>,

	#[arg(
		long,
		value_name = "DIR",
		env = "CODE_MONIKER_CACHE_DIR",
		help = "enable on-disk cache of extracted graphs at DIR (empty = disabled)"
	)]
	pub cache: Option<PathBuf>,
}

#[derive(Copy, Clone, Debug, Eq, PartialEq, ValueEnum)]
pub enum StatsFormat {
	Tsv,
	Json,
	#[cfg(feature = "pretty")]
	Tree,
}

#[derive(Debug, ClapArgs)]
pub struct ExtractArgs {
	#[arg(value_name = "PATH")]
	pub path: PathBuf,

	#[arg(
		long = "where",
		value_name = "OP URI",
		help = "predicate `<op> <uri>` where op ∈ {=, <, <=, >, >=, @>, <@, ?=}; repeatable, AND-combined"
	)]
	pub where_: Vec<String>,

	#[arg(
		long,
		value_name = "NAME",
		value_delimiter = ',',
		help = "concrete kind (e.g. class, fn, calls); repeatable or comma-separated; OR within --kind, AND with --shape. Discover values per language with `code-moniker langs <TAG>`."
	)]
	pub kind: Vec<String>,

	#[arg(
		long,
		value_name = "REGEX",
		help = "regex matched against the last moniker segment name; repeatable; OR within --name, AND with --kind/--shape/--where"
	)]
	pub name: Vec<String>,

	#[arg(
		long,
		value_name = "SHAPE",
		value_delimiter = ',',
		value_parser = shape_parser(),
		help = "kind family; repeatable or comma-separated; OR within --shape, AND with --kind. See `code-moniker shapes`."
	)]
	pub shape: Vec<Shape>,

	#[arg(long, value_enum, default_value_t = OutputFormat::Text)]
	pub format: OutputFormat,

	#[arg(
		long,
		visible_alias = "max-symbols",
		value_name = "N",
		default_value_t = 1000,
		value_parser = parse_positive_usize,
		conflicts_with_all = ["all", "count", "quiet"],
		help = "maximum matched monikers to emit; use --all to bypass"
	)]
	pub limit: usize,

	#[arg(
		long,
		value_name = "MONIKER_URI",
		conflicts_with_all = ["all", "count", "quiet"],
		help = "resume after this moniker URI"
	)]
	pub after: Option<String>,

	#[arg(
		long,
		conflicts_with_all = ["count", "quiet"],
		help = "emit all matched monikers, bypassing --limit"
	)]
	pub all: bool,

	#[arg(
		long,
		value_enum,
		default_value_t = MonikerFormat::Compact,
		help = "moniker rendering for text and TSV output"
	)]
	pub moniker_format: MonikerFormat,

	#[arg(
		long,
		short = 'c',
		value_enum,
		default_value_t = ColorChoice::Auto,
		default_missing_value = "always",
		num_args = 0..=1,
		require_equals = false,
		help = "ANSI color for --format text/tree: auto = on if stdout is a TTY (honors NO_COLOR / CLICOLOR / CLICOLOR_FORCE); -c forces color"
	)]
	pub color: ColorChoice,

	#[arg(
		long,
		value_enum,
		default_value_t = Charset::Utf8,
		help = "glyph set for --format tree"
	)]
	pub charset: Charset,

	#[arg(long, conflicts_with = "quiet", help = "print only the match count")]
	pub count: bool,
	#[arg(
		long,
		conflicts_with = "count",
		help = "suppress output, exit code only"
	)]
	pub quiet: bool,

	#[arg(long = "with-text", help = "include comment text (re-reads source)")]
	pub with_text: bool,

	#[arg(
		long = "path",
		value_name = "GLOB",
		help = "only extract files whose path relative to PATH matches this glob; repeatable, OR-combined"
	)]
	pub path_filter: Vec<String>,

	#[arg(
		long,
		value_name = "SCHEME",
		help = "URI scheme; defaults to code+moniker://"
	)]
	pub scheme: Option<String>,

	#[arg(
		long,
		value_name = "NAME",
		help = "project component of the anchor moniker; defaults to '.'"
	)]
	pub project: Option<String>,

	#[arg(
		long,
		value_name = "DIR",
		env = "CODE_MONIKER_CACHE_DIR",
		help = "enable on-disk cache of extracted graphs at DIR (empty = disabled)"
	)]
	pub cache: Option<PathBuf>,
}

#[derive(Copy, Clone, Debug, Eq, PartialEq, ValueEnum)]
pub enum OutputFormat {
	#[value(alias = "txt")]
	Text,
	Tsv,
	Json,
	#[cfg(feature = "pretty")]
	Tree,
}

#[derive(Copy, Clone, Debug, Eq, PartialEq, ValueEnum)]
pub enum MonikerFormat {
	Compact,
	Uri,
}

#[derive(Copy, Clone, Debug, Eq, PartialEq, ValueEnum)]
pub enum ColorChoice {
	Auto,
	Always,
	Never,
}

#[derive(Copy, Clone, Debug, Eq, PartialEq, ValueEnum)]
pub enum Charset {
	Utf8,
	Ascii,
}

#[derive(Copy, Clone, Debug, Eq, PartialEq)]
pub enum OutputMode {
	Default,
	Count,
	Quiet,
}

#[derive(Debug, ClapArgs)]
pub struct ManifestArgs {
	#[arg(
		value_name = "PATH",
		help = "manifest file (Cargo.toml / package.json / pom.xml / pyproject.toml / go.mod / *.csproj) or a directory to walk for any of those"
	)]
	pub path: PathBuf,

	#[arg(long, value_enum, default_value_t = ManifestFormat::Tsv)]
	pub format: ManifestFormat,

	#[arg(long, conflicts_with = "quiet", help = "print only the row count")]
	pub count: bool,
	#[arg(
		long,
		conflicts_with = "count",
		help = "suppress output, exit code only"
	)]
	pub quiet: bool,

	#[arg(
		long,
		value_name = "SCHEME",
		help = "URI scheme for package_moniker; defaults to code+moniker://"
	)]
	pub scheme: Option<String>,
}

#[derive(Copy, Clone, Debug, Eq, PartialEq, ValueEnum)]
pub enum ManifestFormat {
	Tsv,
	Json,
	#[cfg(feature = "pretty")]
	Tree,
}

impl ManifestArgs {
	pub fn mode(&self) -> OutputMode {
		if self.count {
			OutputMode::Count
		} else if self.quiet {
			OutputMode::Quiet
		} else {
			OutputMode::Default
		}
	}
}

impl ExtractArgs {
	#[cfg(test)]
	pub(crate) fn for_tests() -> Self {
		ExtractArgs {
			path: "a.ts".into(),
			where_: Vec::new(),
			kind: vec![],
			name: vec![],
			shape: vec![],
			format: OutputFormat::Text,
			limit: 1000,
			after: None,
			all: false,
			moniker_format: MonikerFormat::Compact,
			color: ColorChoice::Never,
			charset: Charset::Utf8,
			count: false,
			quiet: false,
			with_text: false,
			path_filter: Vec::new(),
			scheme: None,
			project: None,
			cache: None,
		}
	}

	pub fn mode(&self) -> OutputMode {
		if self.count {
			OutputMode::Count
		} else if self.quiet {
			OutputMode::Quiet
		} else {
			OutputMode::Default
		}
	}

	pub fn compiled_predicates(&self, default_scheme: &str) -> anyhow::Result<Vec<Predicate>> {
		let scheme = self.scheme.as_deref().unwrap_or(default_scheme);
		let cfg = UriConfig { scheme };
		let mut out = Vec::with_capacity(self.where_.len());
		for raw in &self.where_ {
			out.push(parse_where(raw, &cfg)?);
		}
		Ok(out)
	}
}

fn shape_parser() -> impl TypedValueParser<Value = Shape> {
	PossibleValuesParser::new(Shape::ALL.iter().map(|s| s.as_str())).map(|s| {
		Shape::ALL
			.iter()
			.copied()
			.find(|shape| shape.as_str() == s)
			.unwrap_or(Shape::Ref)
	})
}

fn parse_positive_usize(raw: &str) -> Result<usize, String> {
	let n = raw
		.parse::<usize>()
		.map_err(|e| format!("expected positive integer: {e}"))?;
	if n == 0 {
		return Err("expected positive integer greater than zero".to_string());
	}
	Ok(n)
}

/// CLI predicate ops are the moniker subset of `expr::TWO_CHAR_OPS` — regex
/// ops (`=~`, `!~`) and inequality (`!=`) don't map to a `Predicate` variant.
const CLI_TWO_CHAR_OPS: &[&str] = &["<=", ">=", "<@", "@>", "?="];

fn parse_where(raw: &str, cfg: &UriConfig<'_>) -> anyhow::Result<Predicate> {
	let raw = raw.trim();
	let bail = || {
		anyhow::anyhow!("--where `{raw}`: expected `<op> <uri>` (op ∈ =, <=, >=, <, >, @>, <@, ?=)")
	};
	for op in CLI_TWO_CHAR_OPS {
		if let Some(rest) = raw.strip_prefix(op) {
			return finish_where(op, rest.trim(), cfg, raw);
		}
	}
	for &op in &["<", ">", "="] {
		if let Some(rest) = raw.strip_prefix(op) {
			return finish_where(op, rest.trim(), cfg, raw);
		}
	}
	Err(bail())
}

fn finish_where(op: &str, uri: &str, cfg: &UriConfig<'_>, raw: &str) -> anyhow::Result<Predicate> {
	if uri.is_empty() {
		return Err(anyhow::anyhow!("--where `{raw}`: missing URI after `{op}`"));
	}
	let m: Moniker = from_uri(uri, cfg).map_err(|e| anyhow::anyhow!("--where `{raw}`: {e}"))?;
	Ok(match op {
		"=" => Predicate::Eq(m),
		"<" => Predicate::Lt(m),
		"<=" => Predicate::Le(m),
		">" => Predicate::Gt(m),
		">=" => Predicate::Ge(m),
		"@>" => Predicate::AncestorOf(m),
		"<@" => Predicate::DescendantOf(m),
		"?=" => Predicate::Bind(m),
		_ => unreachable!("op set is whitelisted via CLI_TWO_CHAR_OPS / single-char fallthrough"),
	})
}

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

	fn parse(argv: &[&str]) -> Result<Cli, clap::Error> {
		let mut full = vec!["code-moniker"];
		full.extend_from_slice(argv);
		Cli::try_parse_from(full)
	}

	fn extract(argv: &[&str]) -> ExtractArgs {
		let mut full = vec!["extract"];
		full.extend_from_slice(argv);
		let cli = parse(&full).unwrap();
		match cli.command {
			Command::Extract(a) => a,
			other => panic!("expected Extract, got {other:?}"),
		}
	}

	fn stats(argv: &[&str]) -> StatsArgs {
		let mut full = vec!["stats"];
		full.extend_from_slice(argv);
		let cli = parse(&full).unwrap();
		match cli.command {
			Command::Stats(a) => a,
			other => panic!("expected Stats, got {other:?}"),
		}
	}

	#[cfg(feature = "tui")]
	fn ui(argv: &[&str]) -> UiArgs {
		let mut full = vec!["ui"];
		full.extend_from_slice(argv);
		let cli = parse(&full).unwrap();
		match cli.command {
			Command::Ui(a) => a,
			other => panic!("expected Ui, got {other:?}"),
		}
	}

	#[test]
	fn no_args_requires_subcommand() {
		assert!(
			parse(&[]).is_err(),
			"empty argv must error — subcommand required"
		);
	}

	#[test]
	fn minimal_invocation() {
		let a = extract(&["a.ts"]);
		assert_eq!(a.path, PathBuf::from("a.ts"));
		assert_eq!(a.format, OutputFormat::Text);
		assert_eq!(a.mode(), OutputMode::Default);
		assert!(a.kind.is_empty());
		assert!(!a.with_text);
	}

	#[test]
	fn stats_accepts_multiple_paths() {
		let a = stats(&["svc-a", "svc-b"]);
		assert_eq!(
			a.paths,
			vec![PathBuf::from("svc-a"), PathBuf::from("svc-b")]
		);
	}

	#[cfg(feature = "tui")]
	#[test]
	fn ui_defaults_to_current_dir_and_accepts_multiple_paths() {
		assert_eq!(ui(&[]).paths, vec![PathBuf::from(".")]);
		assert_eq!(
			ui(&["svc-a", "svc-b"]).paths,
			vec![PathBuf::from("svc-a"), PathBuf::from("svc-b")]
		);
		assert!(ui(&["--debug"]).debug);
	}

	#[test]
	fn quiet_and_count_are_mutually_exclusive() {
		assert!(parse(&["extract", "a.ts", "--count", "--quiet"]).is_err());
	}

	#[test]
	fn count_mode_detected() {
		assert_eq!(extract(&["a.ts", "--count"]).mode(), OutputMode::Count);
	}

	#[test]
	fn quiet_mode_detected() {
		assert_eq!(extract(&["a.ts", "--quiet"]).mode(), OutputMode::Quiet);
	}

	#[test]
	fn format_json_recognised() {
		assert_eq!(
			extract(&["a.ts", "--format", "json"]).format,
			OutputFormat::Json
		);
	}

	#[test]
	fn extract_pagination_defaults_and_flags() {
		let a = extract(&["a.ts"]);
		assert_eq!(a.limit, 1000);
		assert!(a.after.is_none());
		assert!(!a.all);

		let a = extract(&[
			"a.ts",
			"--limit",
			"25",
			"--after",
			"code+moniker://./class:Foo",
		]);
		assert_eq!(a.limit, 25);
		assert_eq!(a.after.as_deref(), Some("code+moniker://./class:Foo"));
	}

	#[test]
	fn extract_max_symbols_aliases_limit() {
		let a = extract(&["a.ts", "--max-symbols", "25"]);
		assert_eq!(a.limit, 25);
	}

	#[test]
	fn extract_all_conflicts_with_limit_and_after() {
		assert!(parse(&["extract", "a.ts", "--all", "--limit", "10"]).is_err());
		assert!(parse(&["extract", "a.ts", "--all", "--max-symbols", "10"]).is_err());
		assert!(
			parse(&[
				"extract",
				"a.ts",
				"--all",
				"--after",
				"code+moniker://./class:Foo"
			])
			.is_err()
		);
	}

	#[test]
	fn unknown_format_rejected() {
		assert!(parse(&["extract", "a.ts", "--format", "xml"]).is_err());
	}

	#[test]
	fn kind_is_repeatable() {
		let a = extract(&["a.ts", "--kind", "class", "--kind", "method"]);
		assert_eq!(a.kind, vec!["class".to_string(), "method".to_string()]);
	}

	#[test]
	fn with_text_flag() {
		assert!(extract(&["a.ts", "--with-text"]).with_text);
	}

	#[test]
	fn path_filter_is_repeatable() {
		let a = extract(&[
			".",
			"--path",
			"crates/cli/src/mcp/**",
			"--path",
			"crates/check/src/check/**",
		]);
		assert_eq!(
			a.path_filter,
			vec![
				"crates/cli/src/mcp/**".to_string(),
				"crates/check/src/check/**".to_string()
			]
		);
	}

	#[test]
	fn where_descendant_parses() {
		let a = extract(&["a.ts", "--where", "<@ code+moniker://./class:Foo"]);
		let preds = a.compiled_predicates("code+moniker://").expect("ok");
		assert_eq!(preds.len(), 1);
		assert!(matches!(preds[0], Predicate::DescendantOf(_)));
	}

	#[test]
	fn where_multiple_predicates_compose_with_and() {
		let a = extract(&[
			"a.ts",
			"--where",
			"@> code+moniker://./class:Foo",
			"--where",
			"= code+moniker://./class:Foo/method:bar",
		]);
		let preds = a.compiled_predicates("code+moniker://").expect("ok");
		assert_eq!(preds.len(), 2);
		assert!(matches!(preds[0], Predicate::AncestorOf(_)));
		assert!(matches!(preds[1], Predicate::Eq(_)));
	}

	#[test]
	fn where_each_operator_supported() {
		for op in &["=", "<", "<=", ">", ">=", "@>", "<@", "?="] {
			let a = extract(&[
				"a.ts",
				"--where",
				&format!("{op} code+moniker://./class:Foo"),
			]);
			let preds = a.compiled_predicates("code+moniker://").expect(op);
			assert_eq!(preds.len(), 1, "op {op} failed");
		}
	}

	#[test]
	fn where_malformed_is_usage_error() {
		let a = extract(&["a.ts", "--where", "garbage uri"]);
		let err = a.compiled_predicates("code+moniker://").unwrap_err();
		let msg = format!("{err:#}");
		assert!(msg.contains("--where"), "{msg}");
	}

	#[test]
	fn where_missing_uri_is_usage_error() {
		let a = extract(&["a.ts", "--where", "@>"]);
		let err = a.compiled_predicates("code+moniker://").unwrap_err();
		let msg = format!("{err:#}");
		assert!(msg.contains("missing URI"), "{msg}");
	}

	#[test]
	fn check_subcommand_routes_to_command() {
		let cli = parse(&["check", "a.ts"]).unwrap();
		match cli.command {
			Command::Check(c) => assert_eq!(c.path, PathBuf::from("a.ts")),
			other => panic!("expected Check, got {other:?}"),
		}
	}

	#[test]
	fn check_subcommand_accepts_rules_and_format() {
		let cli = parse(&[
			"check",
			"a.ts",
			"--rules",
			"my-rules.toml",
			"--format",
			"json",
		])
		.unwrap();
		match cli.command {
			Command::Check(c) => {
				assert_eq!(c.rules, PathBuf::from("my-rules.toml"));
				assert_eq!(c.format, CheckFormat::Json);
				assert_eq!(c.default_rules, None);
				assert!(!c.report);
			}
			other => panic!("expected Check, got {other:?}"),
		}
	}

	#[test]
	fn check_subcommand_accepts_report() {
		let cli = parse(&["check", "a.ts", "--report"]).unwrap();
		match cli.command {
			Command::Check(c) => assert!(c.report),
			other => panic!("expected Check, got {other:?}"),
		}
	}
}