use crate::posts::abstractions::post::Post;
use std::{borrow::Cow, fs, path::PathBuf};

#[derive(Debug, Eq)]
pub struct FsPost {
    file: PathBuf,
}

impl FsPost {
    pub fn with_path(path: PathBuf) -> Self {
        Self { file: path }
    }
}

impl Post for FsPost {
    fn get_title(&self) -> &str {
        self.file.file_stem().unwrap().to_str().unwrap()
    }

    fn get_article(&self) -> Cow<str> {
        let article = fs::read_to_string(&self.file).unwrap();
        Cow::Owned(article)
    }
}

impl Ord for FsPost {
    fn cmp(&self, other: &Self) -> std::cmp::Ordering {
        self.file
            .metadata()
            .unwrap()
            .modified()
            .unwrap()
            .cmp(&other.file.metadata().unwrap().modified().unwrap())
    }
}

impl PartialOrd for FsPost {
    fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
        Some(self.cmp(other))
    }
}

impl PartialEq for FsPost {
    fn eq(&self, other: &Self) -> bool {
        self.get_title() == other.get_title()
    }
}