use std::error::Error;
use std::path::MAIN_SEPARATOR;

pub struct Path {
    pub item: String,
    pub path: String,
}

impl Path {
    // Constructors

    pub fn build(base: &str, pub_date: &str, mkdir: bool) -> Result<Path, Box<dyn Error>> {
        use chrono::{DateTime, Datelike, Timelike};

        let time = DateTime::parse_from_rfc2822(pub_date)?;

        let item = format!(
            "{:02}-{:02}-{:02}.gmi",
            time.hour(),
            time.minute(),
            time.second()
        );

        let path = format!(
            "{base}{MAIN_SEPARATOR}{:02}{MAIN_SEPARATOR}{:02}{MAIN_SEPARATOR}{:02}",
            time.year(),
            time.month(),
            time.day()
        );

        if mkdir {
            std::fs::create_dir_all(&path)?;
        }

        Ok(Path { item, path })
    }

    // Getters

    pub fn index(&self) -> String {
        format!("{}{MAIN_SEPARATOR}index.gmi", self.path)
    }

    pub fn item(&self) -> String {
        format!("{}{MAIN_SEPARATOR}{}", self.path, self.item)
    }
}