extern crate regex;
use regex::Regex;

extern crate walkdir;
use walkdir::WalkDir;

use std::io::prelude::*;
use std::fs::File;
use std::env;
use std::path::{Path, PathBuf};

mod pre_process;
use pre_process::Section;

fn main() {
    let raw_files = env::var("RAW_FILES").unwrap_or("characters".into());
    let base_path = Path::new(&raw_files);

    let mut sections: Vec<Section> = vec![];
    sections.push(Section::new("image", r#"(?is)<H3 id="section99">.*<img src="(.*?)" alt=.*?></a><p><a href="(.*?)">View Full Size Image"#, vec!["thumb".into(), "full".into()]));

    for entry in WalkDir::new(base_path).min_depth(1).into_iter().filter_map(|e| e.ok()) {
        let mut f = File::open(entry.path()).expect("could not open file");
        let mut buf = String::new();
        if let Err(e) = f.read_to_string(&mut buf) {
            println!("invalid file: {}", entry.path().to_str().unwrap());
            continue;
        }

        let buf = pre_process::strip_irrelevant_content(&buf);

        pre_process::split_sections(&buf, &mut sections);

        println!("{:?}", sections[0].data);
    }
}