// Copyright 2018 Parity Technologies (UK) Ltd.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.

extern crate libp2p_peerstore;
extern crate libp2p_swarm;
extern crate multiaddr;

use libp2p_peerstore::{PeerAccess, Peerstore};
use multiaddr::Multiaddr;
use std::time::Duration;

/// Stores initial addresses on the given peer store. Uses a very large timeout.
pub fn ipfs_bootstrap<P>(peer_store: P)
where
	P: Peerstore + Clone,
{
	const ADDRESSES: &[&str] = &[
        "/ip4/104.131.131.82/tcp/4001/ipfs/QmaCpDMGvV2BGHeYERUEnRQAwe3N8SzbUtfsmvsqQLuvuJ",
        "/ip4/104.236.179.241/tcp/4001/ipfs/QmSoLPppuBtQSGwKDZT2M73ULpjvfd3aZ6ha4oFGL1KrGM",
        "/ip4/162.243.248.213/tcp/4001/ipfs/QmSoLueR4xBeUbY9WZ9xGUUxunbKWcrNFTDAadQJmocnWm",
        "/ip4/128.199.219.111/tcp/4001/ipfs/QmSoLSafTMBsPKadTEgaXctDQVcqN88CNLHXMkTNwMKPnu",
        "/ip4/104.236.76.40/tcp/4001/ipfs/QmSoLV4Bbm51jM9C4gDYZQ9Cy3U6aXMJDAbzgu2fzaDs64",
        "/ip4/178.62.158.247/tcp/4001/ipfs/QmSoLer265NRgSp2LA3dPaeykiS1J6DifTC88f5uVQKNAd",
        "/ip4/178.62.61.185/tcp/4001/ipfs/QmSoLMeWqB7YGVLJN3pNLQpmmEk35v6wYtsMGLzSr5QBU3",
        "/dns4/wss0.bootstrap.libp2p.io/tcp/443/wss/ipfs/QmZMxNdpMkewiVZLMRxaNxUeZpDUb34pWjZ1kZvsd16Zic",
        "/dns4/wss1.bootstrap.libp2p.io/tcp/443/wss/ipfs/Qmbut9Ywz9YEDrz8ySBSgWyJk41Uvm2QJPhwDJzJyGFsD6"
    ];

	let ttl = Duration::from_secs(100 * 365 * 24 * 3600);

	for address in ADDRESSES.iter() {
		let mut multiaddr = address
			.parse::<Multiaddr>()
			.expect("failed to parse hard-coded multiaddr");

		let ipfs_component = multiaddr.pop().expect("hard-coded multiaddr is empty");
		let public_key = match ipfs_component {
			multiaddr::AddrComponent::IPFS(key) => key,
			_ => panic!("hard-coded multiaddr didn't end with /ipfs/"),
		};

		peer_store
			.clone()
			.peer_or_create(&public_key)
			.add_addr(multiaddr, ttl.clone());
	}
}