oxi-cli 0.6.0

//! CLI argument parsing with clap
//!
//! Provides the unified command-line argument types for the oxi CLI.
//! This is the single source of truth for all CLI parsing — main.rs
//! imports from here rather than defining its own types.

use clap::{Parser, Subcommand};
use std::path::PathBuf;

// ── Re-exports ─────────────────────────────────────────────────────
// Use the canonical ThinkingLevel from settings (None/Minimal/Standard/Thorough).
pub use crate::settings::ThinkingLevel;

// ── Main CLI arguments ─────────────────────────────────────────────

/// CLI arguments
#[derive(Debug, Clone, Parser)]
#[command(name = "oxi")]
#[command(about = "CLI coding harness for oxi")]
#[command(version)]
pub struct CliArgs {
/// pub.
    #[command(subcommand)]
    pub command: Option<Commands>,

    /// Provider to use (e.g., anthropic, openai, google, deepseek)
    #[arg(short, long)]
    pub provider: Option<String>,

    /// Model to use (e.g., claude-sonnet-4-20250514, gpt-4o)
    #[arg(short, long)]
    pub model: Option<String>,

    /// Initial prompt (non-interactive mode)
    #[arg(default_value = "")]
    pub prompt: Vec<String>,

    /// Interactive mode (default when no prompt is given)
    #[arg(short, long)]
    pub interactive: bool,

    /// Thinking level (none, minimal, standard, thorough)
    #[arg(long)]
    pub thinking: Option<String>,

    /// Load an extension from a shared library (.so / .dll / .dylib).
    /// Can be specified multiple times.
    #[arg(short = 'e', long = "extension", value_name = "PATH")]
    pub extensions: Vec<PathBuf>,

    /// Output mode: text or json (newline-delimited JSON events)
    #[arg(long)]
    pub mode: Option<String>,

    /// Comma-separated list of tools to enable. Default: all builtins.
    #[arg(long)]
    pub tools: Option<String>,

    /// Append system prompt from a file
    #[arg(long)]
    pub append_system_prompt: Option<PathBuf>,

    /// Single-shot print mode (non-interactive)
    #[arg(long)]
    pub print: bool,

    /// Disable session persistence
    #[arg(long)]
    pub no_session: bool,
}

// ── Subcommands ────────────────────────────────────────────────────

/// CLI subcommands
#[derive(Debug, Clone, Subcommand)]
pub enum Commands {
    /// List all sessions.
    Sessions,
    /// Show session tree structure.
    Tree {
        /// Session ID to show tree for (default: current/last session)
        #[arg(default_value = "")]
        session_id: String,
    },
    /// Fork a new session from a specific entry
    Fork {
        /// Parent session ID
        parent_id: String,
        /// Entry ID to branch from
        entry_id: String,
    },
    /// Delete a session
    Delete {
        /// Session ID to delete
        session_id: String,
    },
    /// Package management
    Pkg {
/// action.
        #[command(subcommand)]
        action: PkgCommands,
    },
    /// Configuration management
    Config {
/// action.
        #[command(subcommand)]
        action: ConfigCommands,
    },
}

// ── Package subcommands ────────────────────────────────────────────

/// Package management subcommands
#[derive(Debug, Clone, Subcommand)]
pub enum PkgCommands {
    /// Install a package from a local path or npm:@scope/name
    Install {
        /// Package source: a local directory path or npm:@scope/name
        source: String,
    },
    /// List installed packages
    List,
    /// Uninstall a package by name
    Uninstall {
        /// Package name to uninstall
        name: String,
    },
    /// Update a package to the latest version
    Update {
        /// Package name to update (updates all if omitted)
        name: Option<String>,
    },
}

// ── Config subcommands ─────────────────────────────────────────────

/// Configuration management subcommands
#[derive(Debug, Clone, Subcommand)]
pub enum ConfigCommands {
    /// Show current configuration
    Show,
    /// List all enabled resources
    List {
        /// Resource type filter (extensions, skills, prompts, themes)
        resource_type: Option<String>,
    },
    /// Enable a resource (extension, skill, prompt, or theme)
    Enable {
        /// Resource type: extension, skill, prompt, or theme
        resource_type: String,
        /// Resource path or name
        name: String,
    },
    /// Disable a resource
    Disable {
        /// Resource type: extension, skill, prompt, or theme
        resource_type: String,
        /// Resource path or name
        name: String,
    },
    /// Set a configuration value
    Set {
        /// Setting key (e.g. theme, default_model, thinking_level)
        key: String,
        /// Setting value
        value: String,
    },
    /// Get a configuration value
    Get {
        /// Setting key
        key: String,
    },
}

// ── Parsing helpers ────────────────────────────────────────────────

/// Parse CLI arguments from the command line
///
/// # Examples
///
/// ```ignore
/// use oxi_cli::CliArgs;
///
/// fn main() {
///     let args = CliArgs::parse();
///     match args.command {
///         Some(Commands::Sessions) => { /* list sessions */ }
///         Some(Commands::Tree { session_id }) => { /* show tree */ }
///         _ => { /* interactive mode */ }
///     }
/// }
/// ```
pub fn parse_args() -> CliArgs {
    CliArgs::parse()
}

/// Parse CLI arguments from a specific iterator
pub fn parse_args_from<I, T>(iter: I) -> Result<CliArgs, clap::Error>
where
    I: IntoIterator<Item = T>,
    T: Into<std::ffi::OsString> + Clone,
{
    CliArgs::try_parse_from(iter)
}

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

    #[test]
    fn test_parse_basic_prompt() {
        let args = parse_args_from(["oxi", "Hello", "world"]).unwrap();
        assert_eq!(args.prompt, vec!["Hello", "world"]);
    }

    #[test]
    fn test_parse_with_provider_and_model() {
        let args = parse_args_from([
            "oxi",
            "--provider",
            "anthropic",
            "--model",
            "claude-sonnet-4-20250514",
            "Hello",
        ])
        .unwrap();
        assert_eq!(args.provider, Some("anthropic".to_string()));
        assert_eq!(args.model, Some("claude-sonnet-4-20250514".to_string()));
    }

    #[test]
    fn test_parse_interactive_flag() {
        let args = parse_args_from(["oxi", "-i"]).unwrap();
        assert!(args.interactive);
    }

    #[test]
    fn test_parse_extension_paths() {
        let args = parse_args_from(["oxi", "-e", "/path/to/ext.so", "-e", "/other/ext.so"]).unwrap();
        assert_eq!(args.extensions.len(), 2);
    }

    #[test]
    fn test_parse_sessions_command() {
        let args = parse_args_from(["oxi", "sessions"]).unwrap();
        assert!(matches!(args.command, Some(Commands::Sessions)));
    }

    #[test]
    fn test_parse_tree_command() {
        let args = parse_args_from(["oxi", "tree", "abc-123"]).unwrap();
        match args.command {
            Some(Commands::Tree { session_id }) => {
                assert_eq!(session_id, "abc-123");
            }
            _ => panic!("Expected Tree command"),
        }
    }

    #[test]
    fn test_parse_tree_command_default() {
        let args = parse_args_from(["oxi", "tree"]).unwrap();
        match args.command {
            Some(Commands::Tree { session_id }) => {
                assert_eq!(session_id, "");
            }
            _ => panic!("Expected Tree command"),
        }
    }

    #[test]
    fn test_parse_fork_command() {
        let args = parse_args_from(["oxi", "fork", "parent-id", "entry-id"]).unwrap();
        match args.command {
            Some(Commands::Fork {
                parent_id,
                entry_id,
            }) => {
                assert_eq!(parent_id, "parent-id");
                assert_eq!(entry_id, "entry-id");
            }
            _ => panic!("Expected Fork command"),
        }
    }

    #[test]
    fn test_parse_delete_command() {
        let args = parse_args_from(["oxi", "delete", "session-123"]).unwrap();
        match args.command {
            Some(Commands::Delete { session_id }) => {
                assert_eq!(session_id, "session-123");
            }
            _ => panic!("Expected Delete command"),
        }
    }

    #[test]
    fn test_parse_pkg_install() {
        let args = parse_args_from(["oxi", "pkg", "install", "npm:@scope/name"]).unwrap();
        match args.command {
            Some(Commands::Pkg { action }) => match action {
                PkgCommands::Install { source } => {
                    assert_eq!(source, "npm:@scope/name");
                }
                _ => panic!("Expected Install subcommand"),
            },
            _ => panic!("Expected Pkg command"),
        }
    }

    #[test]
    fn test_parse_pkg_list() {
        let args = parse_args_from(["oxi", "pkg", "list"]).unwrap();
        match args.command {
            Some(Commands::Pkg { action }) => {
                assert!(matches!(action, PkgCommands::List));
            }
            _ => panic!("Expected Pkg command"),
        }
    }

    #[test]
    fn test_parse_pkg_update_all() {
        let args = parse_args_from(["oxi", "pkg", "update"]).unwrap();
        match args.command {
            Some(Commands::Pkg { action }) => match action {
                PkgCommands::Update { name } => assert!(name.is_none()),
                _ => panic!("Expected Update subcommand"),
            },
            _ => panic!("Expected Pkg command"),
        }
    }

    #[test]
    fn test_parse_pkg_update_named() {
        let args = parse_args_from(["oxi", "pkg", "update", "my-pkg"]).unwrap();
        match args.command {
            Some(Commands::Pkg { action }) => match action {
                PkgCommands::Update { name } => assert_eq!(name, Some("my-pkg".to_string())),
                _ => panic!("Expected Update subcommand"),
            },
            _ => panic!("Expected Pkg command"),
        }
    }

    #[test]
    fn test_parse_config_show() {
        let args = parse_args_from(["oxi", "config", "show"]).unwrap();
        assert!(matches!(
            args.command,
            Some(Commands::Config {
                action: ConfigCommands::Show
            })
        ));
    }

    #[test]
    fn test_parse_config_set() {
        let args = parse_args_from(["oxi", "config", "set", "theme", "dracula"]).unwrap();
        match args.command {
            Some(Commands::Config { action }) => match action {
                ConfigCommands::Set { key, value } => {
                    assert_eq!(key, "theme");
                    assert_eq!(value, "dracula");
                }
                _ => panic!("Expected Set subcommand"),
            },
            _ => panic!("Expected Config command"),
        }
    }

    #[test]
    fn test_parse_config_get() {
        let args = parse_args_from(["oxi", "config", "get", "theme"]).unwrap();
        match args.command {
            Some(Commands::Config { action }) => match action {
                ConfigCommands::Get { key } => {
                    assert_eq!(key, "theme");
                }
                _ => panic!("Expected Get subcommand"),
            },
            _ => panic!("Expected Config command"),
        }
    }

    #[test]
    fn test_parse_config_enable() {
        let args = parse_args_from(["oxi", "config", "enable", "extension", "my-ext"]).unwrap();
        match args.command {
            Some(Commands::Config { action }) => match action {
                ConfigCommands::Enable {
                    resource_type,
                    name,
                } => {
                    assert_eq!(resource_type, "extension");
                    assert_eq!(name, "my-ext");
                }
                _ => panic!("Expected Enable subcommand"),
            },
            _ => panic!("Expected Config command"),
        }
    }

    #[test]
    fn test_parse_config_disable() {
        let args = parse_args_from(["oxi", "config", "disable", "skill", "my-skill"]).unwrap();
        match args.command {
            Some(Commands::Config { action }) => match action {
                ConfigCommands::Disable {
                    resource_type,
                    name,
                } => {
                    assert_eq!(resource_type, "skill");
                    assert_eq!(name, "my-skill");
                }
                _ => panic!("Expected Disable subcommand"),
            },
            _ => panic!("Expected Config command"),
        }
    }

    #[test]
    fn test_parse_config_list() {
        let args = parse_args_from(["oxi", "config", "list"]).unwrap();
        match args.command {
            Some(Commands::Config { action }) => match action {
                ConfigCommands::List { resource_type } => {
                    assert!(resource_type.is_none());
                }
                _ => panic!("Expected List subcommand"),
            },
            _ => panic!("Expected Config command"),
        }
    }

    #[test]
    fn test_parse_config_list_filtered() {
        let args = parse_args_from(["oxi", "config", "list", "extensions"]).unwrap();
        match args.command {
            Some(Commands::Config { action }) => match action {
                ConfigCommands::List { resource_type } => {
                    assert_eq!(resource_type, Some("extensions".to_string()));
                }
                _ => panic!("Expected List subcommand"),
            },
            _ => panic!("Expected Config command"),
        }
    }

    #[test]
    fn test_thinking_level_reexport() {
        // Verify the re-export from settings works
        assert_eq!(
            format!("{:?}", ThinkingLevel::Standard),
            "Standard"
        );
    }
}