// birbfetcher - Collect bird images with ease.
// Copyright (C) 2020-2021 Mariell Hoversholm
//
// This program 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.
//
// This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.

use sha2::Digest as _;

/// Content-Type to extension map.
pub static CONTENT_TYPE_EXTENSIONS: phf::Map<&'static str, &'static str> = phf::phf_map! {
    "image/jpeg" => "jpeg",
    "image/jpg" => "jpeg",
    "image/png" => "png",
    "image/gif" => "gifv",
    "video/webm" => "webm",
};

pub fn sha256(block: impl FnOnce(&mut sha2::Sha256) -> ()) -> Vec<u8> {
    let mut sha = sha2::Sha256::new();
    block(&mut sha);
    sha.finalize().iter().map(|&b| b).collect()
}
