Refactor structure

ui/src/cli/mod.rs

@@ -0,0 +1,63 @@
+mod folder;
+mod sync;
+
+use crate::{app, helpers};
+use clap::{command, Parser};
+use color_eyre::Result;
+use ratatui::crossterm;
+use crate::cli::folder::FolderCommand;
+use crate::cli::sync::DLSiteCommand;
+
+#[derive(Parser, Debug)]
+enum CliSubCommand {
+    Folder(FolderCommand),
+    #[command(name = "dlsite")]
+    DLSite(DLSiteCommand),
+}
+
+#[derive(Parser, Debug)]
+#[command(version, about)]
+pub struct Cli {
+    #[command(subcommand)]
+    subcommand: Option<CliSubCommand>,
+}
+
+impl Cli {
+    pub async fn run(&self) -> Result<()> {
+        helpers::initialize_folders().await?;
+        if self.subcommand.is_none() {
+            return self.start_tui().await;
+        }
+        if let Some(sub_command) = &self.subcommand {
+            return sub_command.handle().await;
+        }
+        Ok(())
+    }
+
+    async fn start_tui(&self) -> Result<()> {
+        crossterm::terminal::enable_raw_mode()?;
+        let mut terminal = ratatui::init();
+        struct TuiCleanup;
+        impl Drop for TuiCleanup {
+            fn drop(&mut self) {
+                ratatui::restore();
+                let _ = crossterm::terminal::disable_raw_mode();
+            }
+        }
+        let _cleanup = TuiCleanup;        
+        let app = app::App::create().await?;
+        let result = app.run(&mut terminal).await;
+        ratatui::restore();
+        crossterm::terminal::disable_raw_mode()?;
+        result
+    }
+}
+
+impl CliSubCommand {
+    pub async fn handle(&self) -> Result<()> {
+        match self {
+            CliSubCommand::Folder(cmd) => cmd.subcommand.handle().await,
+            CliSubCommand::DLSite(cmd) => cmd.subcommand.handle().await,
+        }
+    }
+}