wrap up generator

crates/cli/Cargo.toml

@@ -46,11 +46,13 @@ dialoguer = "0.10"
 serde = "1.0"
 anyhow = "1"
 console = "^0.15.0"
+lazy_static = "1"
 ramhorns = "1"
 exitcode = "^1.1.2"
 tracing = "^0.1.34"
 tracing-tree = { version = "0.2.1" }
 tracing-subscriber = { version = "0.3.1", features = ["env-filter"] }
+include_dir = "0.7.4"
 
 
 [features]

crates/cli/src/bin/cmd/new.rs

@@ -1,5 +1,17 @@
 use anyhow::Result;
 use clap::{Arg, ArgMatches, Command};
+use convert_case::Casing;
+use include_dir::Dir;
+use lazy_static::lazy_static;
+
+lazy_static! {
+    static ref TEMPLATES: Vec<&'static str> = vec!["basic", "ramhorns", "vercel"];
+    static ref TEMPLATES_DIR: Vec<Dir<'static>> = vec![
+        include_dir::include_dir!("./starter-templates/with-basic"),
+        include_dir::include_dir!("./starter-templates/with-ramhorns"),
+        include_dir::include_dir!("./starter-templates/with-vercel")
+    ];
+}
 
 /// `ngyn new` command
 ///
@@ -38,21 +50,56 @@ pub fn command() -> Command {
         )
 }
 
-pub fn run(matches: &ArgMatches, subcommand_matches: &ArgMatches) -> Result<cargo_ngyn::CmdExit> {
+pub fn run(_matches: &ArgMatches, subcommand_matches: &ArgMatches) -> Result<cargo_ngyn::CmdExit> {
     if let Some(name) = subcommand_matches.get_one::<String>("name") {
         println!("Creating new project: {}", name);
     } else {
         let name = dialoguer::Input::<String>::new()
             .with_prompt("Name of the project to create")
             .interact()?;
-        let force = dialoguer::Confirm::new()
-            .with_prompt("Force the creation of the project")
-            .default(false)
-            .interact()?;
+        let name = name.to_case(convert_case::Case::Snake);
+
         let template = dialoguer::Select::new()
-        .with_prompt("Use a template to create the project")
-        .default(0)
-        .interact()?;
+            .with_prompt("Use a template to create the project")
+            .items(&TEMPLATES)
+            .default(0)
+            .interact()?;
+
+        let cwd = std::env::current_dir()?;
+        let project_dir = cwd.join(&name);
+
+        let force = if project_dir.exists() {
+            dialoguer::Confirm::new()
+                .with_prompt("Project directory already exists. Overwrite?")
+                .interact()?
+        } else {
+            true
+        };
+
+        if !force {
+            return Ok(cargo_ngyn::CmdExit {
+                code: exitcode::OK,
+                message: Some("Project directory already exists. Exiting...".to_string()),
+            });
+        }
+
+        // safely remove current project directory and create a new one
+        if project_dir.exists() {
+            std::fs::remove_dir_all(&project_dir)?;
+        } else {
+            std::fs::create_dir_all(&project_dir)?;
+        }
+
+        let template_dir = &TEMPLATES_DIR[template];
+        let template_files = template_dir.files();
+
+        for file in template_files {
+            let file_path = project_dir.join(file.path());
+            let file_content = file.contents_utf8().unwrap();
+
+            std::fs::create_dir_all(file_path.parent().unwrap())?;
+            std::fs::write(file_path, file_content)?;
+        }
     }
 
     Ok(cargo_ngyn::CmdExit {