feat(cli): add config management and enhanced command options

- Introduce `config` command for config file management
- Add global options for Sonarr URL and API key
- Implement `--monitored` filter for listing series
- Add default TUI startup behavior

src/cli.rs

@@ -1,30 +1,87 @@
-#[derive(Debug, clap::Parser)]
+use clap::{Args, Parser, Subcommand};
+use std::path::PathBuf;
+
+#[derive(Debug, Parser)]
+#[command(name = "yarr")]
+#[command(about = "A TUI for managing Sonarr")]
+#[command(version)]
 pub struct Cli {
-    #[clap(subcommand)]
-    pub cmd: SubCommand,
+    /// Path to config file
+    #[arg(short, long, global = true)]
+    pub config: Option<PathBuf>,
+
+    /// Sonarr URL (overrides config file)
+    #[arg(long, global = true, env = "YARR_SONARR_URL")]
+    pub sonarr_url: Option<String>,
+
+    /// Sonarr API key (overrides config file)
+    #[arg(long, global = true, env = "YARR_SONARR_API_KEY")]
+    pub sonarr_api_key: Option<String>,
+
+    #[command(subcommand)]
+    pub command: Option<Commands>,
 }
 
-#[derive(Debug, clap::Subcommand)]
-pub enum SubCommand {
-    #[clap(name = "add")]
-    Add(Add),
-    #[clap(name = "list")]
-    List(List),
-    #[clap(name = "completions")]
-    Completions { shell: clap_complete::Shell },
+#[derive(Debug, Subcommand)]
+pub enum Commands {
+    /// Add a new series
+    Add(AddArgs),
+
+    /// List series
+    List(ListArgs),
+
+    /// Start the TUI interface (default)
+    Tui,
+
+    /// Generate shell completions
+    Completions {
+        /// The shell to generate completions for
+        #[arg(value_enum)]
+        shell: clap_complete::Shell,
+    },
+
+    /// Configuration management
+    Config(ConfigArgs),
 }
 
-#[derive(Debug, clap::Args)]
-pub struct Add {
-    #[clap(short, long)]
+#[derive(Debug, Args)]
+pub struct AddArgs {
+    /// Name of the series to add
+    #[arg(short, long)]
     pub name: String,
 }
 
-#[derive(Debug, clap::Args)]
-pub struct List {}
+#[derive(Debug, Args)]
+pub struct ListArgs {
+    /// Show only monitored series
+    #[arg(short, long)]
+    pub monitored: bool,
+}
+
+#[derive(Debug, Args)]
+pub struct ConfigArgs {
+    #[command(subcommand)]
+    pub action: ConfigAction,
+}
+
+#[derive(Debug, Subcommand)]
+pub enum ConfigAction {
+    /// Show current configuration
+    Show,
+
+    /// Create a sample config file
+    Init {
+        /// Path where to create the config file
+        #[arg(short, long)]
+        path: Option<PathBuf>,
+    },
+
+    /// Show possible config file locations
+    Paths,
+}
 
 impl Cli {
-    pub fn completions(shell: clap_complete::Shell) {
+    pub fn generate_completions(shell: clap_complete::Shell) {
         let mut command = <Cli as clap::CommandFactory>::command();
         clap_complete::generate(
             shell,