use std::{fs::read_dir, path::Path};

use markdown_parser::*;

use crate::structs::{BlogInfo, IndexPostEntry};

pub fn get_blog_entry_markdown(path:&String) -> Result<Markdown,Error> {
    let location = format!("content/posts/{path}.md").to_string();
    read_file(Path::new(&location))
}

pub fn get_all_markdowns() -> Vec<IndexPostEntry> {
    let mut post_vec:Vec<IndexPostEntry> = Vec::new();
    let mr_dir_iter = match read_dir("content/posts") {
        Ok(iter) => iter,
        Err(err) => panic!("couldnt ls files, err {err}")
    };

    for entry in mr_dir_iter {
        if let Ok(entry) = entry {

            let filename = entry.file_name().into_string().unwrap().split(".").collect::<Vec<_>>()[0].to_string();


            let front_matter_string = get_blog_entry_markdown(&filename).unwrap();

            let front_matter:BlogInfo = serde_yaml::from_str(&front_matter_string.front_matter()).unwrap();

            post_vec.push(IndexPostEntry{
                title: front_matter.title,
                date: front_matter.date,
                path: format!("/blog/{filename}.html"),
            });

        }
    }
    post_vec.sort_by_key(|e| e.path.clone() );
    post_vec.reverse();
    post_vec
}