use crate::driver::ArchiveFile;
use chrono::{NaiveDate, NaiveDateTime, NaiveTime};

pub struct ZipFile {
    pub name: String,
    pub datetime: NaiveDateTime,
    pub compression_method: u16,
    pub compressed_size: u64,
    pub size: u64,
    pub comment: String,
}

impl ArchiveFile for ZipFile {}

impl ZipFile {
    pub fn new(
        name: String,
        dos_date: u16,
        dos_time: u16,
        compression_method: u16,
        compressed_size: u64,
        size: u64,
        comment: String,
    ) -> Self {
        let year = (dos_date >> 9 & 0x7F) + 1980;
        let month = dos_date >> 5 & 0xF;
        let day = dos_date & 0x1F;

        let hour = (dos_time >> 11) & 0x1F;
        let minute = (dos_time >> 5) & 0x3F;
        let seconds = (dos_time & 0x1F) * 2;

        Self {
            name,
            datetime: NaiveDateTime::new(
                NaiveDate::from_ymd_opt(year as i32, month as u32, day as u32).unwrap(),
                NaiveTime::from_hms_opt(hour as u32, minute as u32, seconds as u32).unwrap(),
            ),
            compression_method,
            compressed_size,
            size,
            comment,
        }
    }
}