use std::path::PathBuf;

#[derive(Clone)]
pub struct StaticFilesManager {
    index: Vec<String>,
}

impl StaticFilesManager {
    fn create_dir_if_missing(app_dir: &PathBuf) -> Result<(), String> {
        let static_path = app_dir.join("static");

        if !static_path.exists() {
            match std::fs::create_dir_all(static_path) {
                Ok(_) => return Self::copy_default(&app_dir),
                Err(err) => return Err(format!("{}", err)),
            }
        }

        Ok(())
    }

    fn copy_default(app_dir: &PathBuf) -> Result<(), String> {
        let local_default = std::env::current_dir().unwrap().join("default_static");
        let standard_default = app_dir.join("static").join("default");
        if let Err(err) = std::fs::create_dir_all(&standard_default) {
            return Err(format!("{}", err));
        }

        let mut copy_default_options = fs_extra::dir::CopyOptions::new();
        copy_default_options.content_only = true;
        if let Err(err) =
            fs_extra::dir::copy(local_default, standard_default, &copy_default_options)
        {
            return Err(format!("{}", err));
        };
        Ok(())
    }

    pub fn new(website_name: &String) -> Result<Self, String> {
        if let Err(err) = Self::create_dir_if_missing(&dirs::home_dir().unwrap().join(website_name))
        {
            return Err(err);
        }

        Ok(StaticFilesManager { index: Vec::new() })
    }

    pub fn build_index(&mut self) -> Result<(), String> {
        self.index.push("TODO".to_string());
        Ok(())
    }
}