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//    This file is part of StultusVisio.
//
//    StultusVisio is free software: you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation, either version 3 of the License, or
//    (at your option) any later version.
//
//    StultusVisio is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with StultusVisio.  If not, see <https://www.gnu.org/licenses/>6.
//    Jefferson T. @ 2023. Telegram: StalinCCCP
use lib::*;
use std::{
  env,
  error::Error,
  fs::File,
  io::{BufRead, BufReader},
};

fn main() -> Result<(), Box<dyn Error>> {
  let files: Vec<String> = env::args().collect();

  for file in files.into_iter().skip(1) {
    let mut presentation = lib::Presentation {
      body: String::new(),
      handle: None,
      header: String::new(),
      title: Some(String::new()),
      footer: Some(String::new()),
      script_path: None,
      css_path: None,
      logo_path: None,
      script_mermaid: None,
    };

    let mut line_no = 0;
    BufReader::new(File::open(file.clone())?)
      .lines()
      .for_each(|line| {
        // não interessa o resultado
        // o BufReader falha com erro próprio.
        let _ = match line {
          Ok(line) => presentation.process(line, line_no),
          Err(_error) => todo!(),
        };
        line_no = line_no + 1;
      });
    presentation.build(file)?
  }
  Ok(())
}