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use std::fs::File;
use std::io::{Read, Write};

pub struct Data {
    pub data: Vec<u8>,
}

impl Data {
    pub fn new(data: Vec<u8>) -> Data {
        Data { data }
    }
    pub fn save(&self, filename: &str) -> bool {
        let mut f: File;
        match File::create(filename).ok() {
            None => {
                crate::error::show_error(
                    format!("[ERROR]: can't create File ({})", filename),
                    true,
                );
                return false;
            }
            Some(ff) => f = ff,
        }
        let r = f.write(&self.data);
        if r.is_err() {
            crate::error::show_error(format!("[ERROR]: can't write to File ({})", filename), true);
            return false;
        }
        true
    }
    pub fn load(&mut self, filename: &str) -> bool {
        let mut f: File;
        match File::open(filename).ok() {
            None => {
                crate::error::show_error(format!("[ERROR]: can't open File ({})", filename), true);
                return false;
            }
            Some(ff) => f = ff,
        }
        let mut buf: Vec<u8> = Vec::new();
        let r = f.read_to_end(&mut buf);
        if r.is_err() {
            crate::error::show_error(format!("[ERROR]: can't write to File ({})", filename), true);
            return false;
        }
        self.data = buf;
        true
    }
}