use crate::driver::{ArchiveRead, ArchiveWrite, Driver};
use crate::{ArchiveFile, ArchiveResult};
use std::fs::File;
use std::io::{Read, Write};
use std::path::Path;

pub struct Archive<D: Driver> {
    pub(crate) driver: D,
}

impl<D: ArchiveRead> Archive<D>
where
    D::Io: std::io::Read,
{
    pub fn read(io: D::Io) -> ArchiveResult<Self, D::Error> {
        Ok(Self {
            driver: D::read(io)?,
        })
    }

    #[inline]
    pub fn read_from_file(path: impl AsRef<Path>) -> ArchiveResult<Self, D::Error>
    where
        D: ArchiveRead<Io = File>,
    {
        Self::read(File::open(path)?)
    }

    pub fn files(&self) -> &Vec<D::FileInfo> {
        self.driver.files()
    }

    #[inline]
    pub fn len(&self) -> usize {
        self.files().len()
    }

    pub fn get_file_index(&self, name: &str) -> ArchiveResult<usize, D::Error> {
        self.driver.get_file_index(name)
    }

    pub fn get_file_info_by_index(&self, index: usize) -> ArchiveResult<&D::FileInfo, D::Error> {
        self.driver.get_file_info(index)
    }

    #[inline]
    pub fn get_file_info_by_name(&self, name: &str) -> ArchiveResult<&D::FileInfo, D::Error> {
        self.get_file_info_by_index(self.get_file_index(name)?)
    }

    pub fn get_file_reader_by_index<'d>(
        &'d mut self,
        index: usize,
    ) -> ArchiveResult<ArchiveFile<D::FileReader<'d>>, D::Error> {
        Ok(ArchiveFile::new(self.driver.get_file_reader(index)?))
    }

    #[inline]
    pub fn get_file_reader_by_name<'d>(
        &'d mut self,
        name: &str,
    ) -> ArchiveResult<ArchiveFile<D::FileReader<'d>>, D::Error> {
        self.get_file_reader_by_index(self.get_file_index(name)?)
    }
}

impl<D: ArchiveWrite> Archive<D> where D::Io: Read + Write {}