kotoba-cli 0.1.21

Command Line Interface for Kotoba graph processing system
Documentation
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//! CLIコマンドの実装
//!
//! Merkle DAG: cli_interface -> Commands component

use super::*;
use std::path::{Path, PathBuf};

/// ファイル実行コマンド
pub async fn run_file(
    file_path: &Path,
    args: &[String],
    watch: bool,
    allow_all: bool,
    env_vars: &[String],
) -> Result<(), Box<dyn std::error::Error>> {
    println!("Running file: {}", file_path.display());

    if !file_path.exists() {
        return Err(format!("File not found: {}", file_path.display()).into());
    }

    // ファイル拡張子チェック
    if let Some(ext) = file_path.extension() {
        if ext != "kotoba" {
            return Err(format!("Unsupported file type: {}", ext.to_string_lossy()).into());
        }
    }

    // 環境変数の設定
    for env_var in env_vars {
        if let Some(eq_pos) = env_var.find('=') {
            let key = &env_var[..eq_pos];
            let value = &env_var[eq_pos + 1..];
            std::env::set_var(key, value);
        }
    }

    if watch {
        println!("Watch mode enabled (not implemented yet)");
    }

    if allow_all {
        println!("All permissions granted");
    }

    println!("Arguments: {:?}", args);

    // 実際の実行ロジックはここに実装
    println!("File execution not implemented yet");

    Ok(())
}

/// サーバー起動コマンド
pub async fn start_server(
    port: u16,
    host: &str,
    config_path: Option<&Path>,
    dev_mode: bool,
) -> Result<(), Box<dyn std::error::Error>> {
    println!("Starting server on {}:{}", host, port);

    if dev_mode {
        println!("Development mode enabled");
    }

    if let Some(config) = config_path {
        println!("Using config file: {}", config.display());
    }

    // 実際のサーバー起動ロジックはここに実装
    println!("Server startup not implemented yet");

    Ok(())
}

/// コンパイルコマンド
pub async fn compile_file(
    input_path: &Path,
    output_path: Option<&Path>,
    optimize_level: u8,
) -> Result<(), Box<dyn std::error::Error>> {
    println!("Compiling: {}", input_path.display());

    if !input_path.exists() {
        return Err(format!("Input file not found: {}", input_path.display()).into());
    }

    let output_path_buf = output_path.map(|p| p.to_path_buf()).unwrap_or_else(|| {
        let mut path = input_path.to_path_buf();
        path.set_extension("compiled");
        path
    });

    println!("Output: {}", output_path_buf.display());
    println!("Optimization level: {}", optimize_level);

    // 実際のコンパイルロジックはここに実装
    println!("Compilation not implemented yet");

    Ok(())
}

/// プロジェクト初期化コマンド
pub async fn init_project(
    name: Option<&str>,
    template: &str,
    force: bool,
) -> Result<(), Box<dyn std::error::Error>> {
    println!("Initializing Kotoba project...");
    println!("Template: {}", template);

    // プロジェクト名を設定
    let project_name = name.unwrap_or("my-kotoba-project");
    println!("Project name: {}", project_name);

    // 基本的なプロジェクト構造を作成
    tokio::fs::create_dir_all("src").await?;
    tokio::fs::create_dir_all("tests").await?;

    // 基本的なCargo.tomlを作成
    let cargo_toml = format!(r#"[package]
name = "{}"
version = "0.1.0"
edition = "2021"

[dependencies]
kotoba-core = "0.1.21"
"#, project_name);

    tokio::fs::write("Cargo.toml", cargo_toml).await?;

    // テンプレート固有の設定
    match template {
        "web" => init_web_template().await?,
        "api" => init_api_template().await?,
        "data" => init_data_template().await?,
        _ => init_basic_template().await?, // basic template (default)
    }

    if force {
        println!("Force mode: overwriting existing files");
    }

    println!("✅ Project initialized successfully");

    Ok(())
}

/// 基本テンプレートの初期化
async fn init_basic_template() -> Result<(), Box<dyn std::error::Error>> {
    println!("Setting up basic template...");

    let main_rs = r#"// Basic Kotoba Application

fn main() {
    println!("Hello, Kotoba!");
}
"#;

    tokio::fs::write("src/main.rs", main_rs).await?;

    println!("✅ Basic template initialized");

    Ok(())
}

/// Webアプリケーション用のテンプレート
async fn init_web_template() -> Result<(), Box<dyn std::error::Error>> {
    println!("Setting up web application template...");

    // Web固有のディレクトリ構造
    tokio::fs::create_dir_all("public").await?;
    tokio::fs::create_dir_all("templates").await?;
    tokio::fs::create_dir_all("static/css").await?;
    tokio::fs::create_dir_all("static/js").await?;

    // Webアプリケーションのメインソース
    let web_main = r#"// Web Application in Kotoba

graph app {
    node config {
        port: 3000
        host: "127.0.0.1"
    }

    node routes {
        get: "/"
        post: "/api/data"
    }

    node middleware {
        cors: true
        logging: true
        auth: false
    }

    edge config -> routes -> middleware
}

// Webサーバーの起動
server web_server {
    bind config.host config.port
    routes routes
    middleware middleware
}

// APIエンドポイント
endpoint "/api/data" {
    method: "POST"
    handler: handle_data
}

fn handle_data(request) {
    // リクエストデータの処理
    let data = request.body

    // レスポンスの作成
    response {
        status: 200
        content_type: "application/json"
        body: json_encode({success: true, data: data})
    }
}
"#;

    tokio::fs::write("src/main.kotoba", web_main).await?;

    // TODO: Web固有の依存関係を追加
    // ここでは仮実装

    println!("✅ Web template initialized");
    println!("📁 Created public/, templates/, static/ directories");
    println!("🚀 Run 'kotoba run src/main.kotoba' to start the web server");

    Ok(())
}

/// APIサーバー用のテンプレート
async fn init_api_template() -> Result<(), Box<dyn std::error::Error>> {
    println!("Setting up API server template...");

    tokio::fs::create_dir_all("api").await?;

    let api_main = r#"// API Server in Kotoba

graph api {
    node server {
        port: 8080
        host: "0.0.0.0"
    }

    node endpoints {
        users: "/api/users"
        posts: "/api/posts"
        auth: "/api/auth"
    }

    node database {
        type: "postgresql"
        connection_string: "postgres://localhost/myapp"
    }

    edge server -> endpoints -> database
}

// REST API定義
rest_api user_api {
    resource "users" {
        GET "/" -> get_users
        POST "/" -> create_user
        GET "/{id}" -> get_user
        PUT "/{id}" -> update_user
        DELETE "/{id}" -> delete_user
    }
}

// ユーザー管理関数
fn get_users(request) {
    let users = database.query("SELECT * FROM users")
    response.json(users)
}

fn create_user(request) {
    let user = request.json()
    let result = database.insert("users", user)
    response.json({id: result.id})
}
"#;

    tokio::fs::write("src/main.kotoba", api_main).await?;

    println!("✅ API template initialized");
    println!("📁 Created api/ directory");
    println!("🚀 Run 'kotoba run src/main.kotoba' to start the API server");

    Ok(())
}

/// データ処理用のテンプレート
async fn init_data_template() -> Result<(), Box<dyn std::error::Error>> {
    println!("Setting up data processing template...");

    tokio::fs::create_dir_all("data").await?;
    tokio::fs::create_dir_all("scripts").await?;

    let data_main = r#"// Data Processing in Kotoba

graph data_pipeline {
    node sources {
        csv: "data/input.csv"
        json: "data/input.json"
        database: "postgres://localhost/analytics"
    }

    node processors {
        filter: "status = 'active'"
        transform: "add computed fields"
        aggregate: "group by category"
    }

    node outputs {
        report: "data/report.json"
        dashboard: "data/dashboard.csv"
        api: "http://localhost:3000/api/data"
    }

    edge sources -> processors -> outputs
}

// データ処理ワークフロー
workflow process_data {
    step load_data {
        sources.load_all()
    }

    step clean_data {
        processors.filter_invalid()
    }

    step transform_data {
        processors.apply_transforms()
    }

    step generate_reports {
        outputs.generate_all()
    }
}

// クエリ定義
query active_users {
    match (u:user)-[:has_status]->(s:status {value: "active"})
    return u.name, u.email, s.last_login
}

query sales_summary {
    match (o:order)-[:contains]->(i:item)
    return sum(i.price * i.quantity) as total_sales
    group by date(o.created_at, "month")
}
"#;

    tokio::fs::write("src/main.kotoba", data_main).await?;

    // サンプルデータファイル
    let sample_data = r#"[
{"id": 1, "name": "Alice", "status": "active", "email": "alice@example.com"},
{"id": 2, "name": "Bob", "status": "inactive", "email": "bob@example.com"},
{"id": 3, "name": "Charlie", "status": "active", "email": "charlie@example.com"}
]"#;

    tokio::fs::write("data/sample.json", sample_data).await?;

    println!("✅ Data processing template initialized");
    println!("📁 Created data/, scripts/ directories");
    println!("📄 Added sample data files");
    println!("🚀 Run 'kotoba run src/main.kotoba' to start data processing");

    Ok(())
}

/// 情報表示コマンド
pub async fn show_info(verbose: bool) -> Result<(), Box<dyn std::error::Error>> {
    println!("Kotoba v{}", env!("CARGO_PKG_VERSION"));
    println!("Graph processing system inspired by Deno");
    println!();

    if verbose {
        println!("Build information:");
        println!("  Version: {}", env!("CARGO_PKG_VERSION"));
        println!("  Build date: {}", "2024-01-01"); // TODO: Add build info
        println!("  Git commit: {}", "dev"); // TODO: Add git info
        println!();

        println!("Directories:");
        println!("  Config: {}", get_config_dir().display());
        println!("  Cache: {}", get_cache_dir().display());
        println!("  Data: {}", get_data_dir().display());
    }

    Ok(())
}

/// キャッシュディレクトリの取得
fn get_cache_dir() -> PathBuf {
    dirs::cache_dir()
        .unwrap_or_else(|| PathBuf::from("."))
        .join("kotoba")
}

/// 設定ディレクトリの取得
fn get_config_dir() -> PathBuf {
    dirs::config_dir()
        .unwrap_or_else(|| PathBuf::from("."))
        .join("kotoba")
}

/// データディレクトリの取得
fn get_data_dir() -> PathBuf {
    dirs::data_dir()
        .unwrap_or_else(|| PathBuf::from("."))
        .join("kotoba")
}

// ==========================================
// Documentation Commands
// ==========================================

/// ドキュメント生成コマンド
/// Merkle DAG: docs_cli -> docs generate
pub async fn docs_generate(
    source: &str,
    output: &str,
    config: Option<&str>,
    watch: bool,
) -> Result<(), Box<dyn std::error::Error>> {
    println!("📚 Generating documentation...");

    // ソースディレクトリの存在チェック
    let source_path = Path::new(source);
    if !source_path.exists() {
        return Err(format!("Source directory not found: {}", source).into());
    }

    // 出力ディレクトリの作成
    let output_path = Path::new(output);
    tokio::fs::create_dir_all(output_path).await?;

    if watch {
        println!("👀 Watch mode enabled - not implemented yet");
        // TODO: ウォッチモードの実装
    }

    // TODO: 実際のドキュメント生成ロジックを実装
    // ここでは仮の実装
    println!("🔍 Scanning source files in: {}", source);
    println!("📝 Generating documentation in: {}", output);
    println!("⚙️  Using config: {}", config.unwrap_or("default"));

    println!("✅ Documentation generated successfully");

    Ok(())
}

/// ドキュメントサーバー起動コマンド
/// Merkle DAG: docs_cli -> docs serve
pub async fn docs_serve(
    port: u16,
    host: &str,
    dir: &str,
    open: bool,
) -> Result<(), Box<dyn std::error::Error>> {
    println!("🚀 Starting documentation server...");

    // ドキュメントディレクトリの存在チェック
    let doc_path = Path::new(dir);
    if !doc_path.exists() {
        return Err(format!("Documentation directory not found: {}", dir).into());
    }

    println!("📁 Serving docs from: {}", dir);
    println!("🌐 Server will be available at: http://{}:{}", host, port);

    if open {
        println!("🔗 Opening browser - not implemented yet");
        // TODO: ブラウザ起動の実装
    }

    // TODO: 実際のHTTPサーバー起動ロジックを実装
    println!("⏳ Server starting... (not implemented yet)");

    Ok(())
}

/// ドキュメント検索コマンド
/// Merkle DAG: docs_cli -> docs search
pub async fn docs_search(
    query: &str,
    dir: &str,
    json: bool,
) -> Result<(), Box<dyn std::error::Error>> {
    println!("🔍 Searching documentation...");

    // ドキュメントディレクトリの存在チェック
    let doc_path = Path::new(dir);
    if !doc_path.exists() {
        return Err(format!("Documentation directory not found: {}", dir).into());
    }

    println!("📂 Searching in: {}", dir);
    println!("🔎 Query: {}", query);

    // TODO: 実際の検索ロジックを実装
    if json {
        println!("📄 Output format: JSON");
        // JSON形式での出力
        println!("[]"); // 空の結果
    } else {
        println!("📄 Output format: Text");
        println!("No results found (search not implemented yet)");
    }

    Ok(())
}

/// ドキュメント設定初期化コマンド
/// Merkle DAG: docs_cli -> docs init
pub async fn docs_init(
    config: &str,
    force: bool,
) -> Result<(), Box<dyn std::error::Error>> {
    println!("⚙️  Initializing documentation configuration...");

    let config_path = Path::new(config);

    // 既存ファイルのチェック
    if config_path.exists() && !force {
        return Err(format!("Configuration file already exists: {}. Use --force to overwrite.", config).into());
    }

    // デフォルト設定の生成
    let default_config = r#"[project]
name = "My Project"
version = "0.1.0"
description = "Project description"

[build]
source = "src"
output = "docs"
theme = "default"

[search]
enabled = true
index = "search-index.json"

[server]
port = 3000
host = "127.0.0.1"
open_browser = true
"#;

    // 設定ファイルの書き込み
    tokio::fs::write(config_path, default_config).await?;

    println!("✅ Created configuration file: {}", config);
    println!("📝 You can now run: kotoba docs generate");

    Ok(())
}