//             DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
//                    Version 2, December 2004
//
// Copyright (C) 2018 Thomas Bailleux <thomas@bailleux.me>
//
// Everyone is permitted to copy and distribute verbatim or modified
// copies of this license document, and changing it is allowed as long
// as the name is changed.
//
//            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
//   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
//
//  0. You just DO WHAT THE FUCK YOU WANT TO.
//
// Author: zadig <thomas chr(0x40) bailleux.me>

use std;
use thumbsdb;
use ansi_term;
use chrono;

const DIF_TIME_WINDOWS: u64 = 116444736000000000u64;

pub(crate) struct Formatter {
  pub(crate) details: bool,
  pub(crate) idirid: bool,
  pub(crate) color: bool
}

impl Formatter {

  pub(crate) fn print_thumbnail(&self, thumbnail: &thumbsdb::Thumbnail) {
    if self.idirid {
      print!("{:>4} ", thumbnail.id());
    }
    if self.details {
      print!("{:>8} ", self.format_date(thumbnail.time()));
    }
    if thumbnail.name() != "{A42CD7B6-E9B9-4D02-B7A6-288B71AD28BA}" {
      println!("{}", self.get_name(thumbnail.name()));
    } else {
      println!("{}", self.get_name("<Thumbnail folder>"));
    }
  }

  pub(crate) fn print_suffix(&self, total: usize) {
    println!("Total {} thumbnails", total);
  }

  pub(crate) fn get_name(&self, name: &str) -> std::string::String {
    match self.color {
      true => match name {
        "<Thumbnail folder>" =>
          ansi_term::Colour::Yellow.paint(name).to_string(),
        _ => ansi_term::Colour::Green.paint(name).to_string()
      },
      false => std::string::String::from(name)
    }
  }

  fn format_date(&self, date: u64) -> std::string::String {
    use chrono::TimeZone;
    let result: std::string::String;
    if date == 0 {
      result = std::string::String::from("(no MAC specified)");
    } else {
      result = chrono::Utc.timestamp(((date - DIF_TIME_WINDOWS)
          / 10000000) as i64, 0).format("%Y-%m-%d %H:%M:%S").to_string();
    }

    result
  }
}