# This file is part of the Trezor project.
#
# Copyright (C) 2012-2018 SatoshiLabs and contributors
#
# This library is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License version 3
# as published by the Free Software Foundation.
#
# This library 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 Lesser General Public License for more details.
#
# You should have received a copy of the License along with this library.
# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.

import struct

from trezorlib import messages as proto, misc
from trezorlib.tools import H_

from .common import TrezorTest


def check_path(identity):
    from hashlib import sha256

    m = sha256()
    m.update(struct.pack("<I", identity.index))
    uri = ""
    if identity.proto:
        uri += identity.proto + "://"
    if identity.user:
        uri += identity.user + "@"
    if identity.host:
        uri += identity.host
    if identity.port:
        uri += ":" + identity.port
    if identity.path:
        uri += identity.path
    m.update(uri)
    print("hash:", m.hexdigest())
    (a, b, c, d, _, _, _, _) = struct.unpack("<8I", m.digest())
    address_n = [H_(13), H_(a), H_(b), H_(c), H_(d)]
    print("path:", "m/" + "/".join([str(x) for x in address_n]))


class TestMsgSignidentity(TrezorTest):
    def test_sign(self):
        self.setup_mnemonic_nopin_nopassphrase()

        hidden = bytes.fromhex(
            "cd8552569d6e4509266ef137584d1e62c7579b5b8ed69bbafa4b864c6521e7c2"
        )
        visual = "2015-03-23 17:39:22"

        # URI  : https://<EMAIL>@<EMAIL>.<EMAIL>/login
        # hash : d0e2389d4c8394a9f3e32de01104bf6e8db2d9e2bb0905d60fffa5a18fd696db
        # path : m/2147483661/2637750992/2845082444/3761103859/4005495825
        identity = proto.IdentityType(
            proto="https",
            user="satoshi",
            host="bitcoin.org",
            port="",
            path="/login",
            index=0,
        )
        sig = misc.sign_identity(self.client, identity, hidden, visual)
        assert sig.address == "17F17smBTX9VTZA9Mj8LM5QGYNZnmziCjL"
        assert (
            sig.public_key.hex()
            == "<KEY>"
        )
        assert (
            sig.signature.hex()
            == "20f2d1a42d08c3a362be49275c3ffeeaa415fc040971985548b9f910812237bb41770bf2c8d488428799fbb7e52c11f1a3404011375e4080e077e0e42ab7a5ba02"
        )

        # URI  : ftp://<EMAIL>:2323/pub
        # hash : 79a6b53831c6ff224fb283587adc4ebae8fb0d734734a46c876838f52dff53f3
        # path : m/2147483661/3098912377/2734671409/3632509519/3125730426
        identity = proto.IdentityType(
            proto="ftp",
            user="satoshi",
            host="bitcoin.org",
            port="2323",
            path="/pub",
            index=3,
        )
        sig = misc.sign_identity(self.client, identity, hidden, visual)
        assert sig.address == "1KAr6r5qF2kADL8bAaRQBjGKYEGxn9WrbS"
        assert (
            sig.public_key.hex()
            == "<KEY>"
        )
        assert (
            sig.signature.hex()
            == "20bbd12dc657d534fc0f7e40186e22c447e0866a016f654f380adffa9a84e9faf412a1bb0ae908296537838cf91145e77da08681c63d07b7dca40728b9e6cb17cf"
        )

        # URI  : ssh://satoshi@bitcoin.org
        # hash : 5fa612f558a1a3b1fb7f010b2ea0a25cb02520a0ffa202ce74a92fc6145da5f3
        # path : m/2147483661/4111640159/2980290904/2332131323/3701645358
        identity = proto.IdentityType(
            proto="ssh", user="satoshi", host="bitcoin.org", port="", path="", index=47
        )
        sig = misc.sign_identity(
            self.client, identity, hidden, visual, ecdsa_curve_name="nist256p1"
        )
        assert sig.address is None
        assert (
            sig.public_key.hex()
            == "<KEY>"
        )
        assert (
            sig.signature.hex()
            == "005122cebabb852cdd32103b602662afa88e54c0c0c1b38d7099c64dcd49efe908288114e66ed2d8c82f23a70b769a4db723173ec53840c08aafb840d3f09a18d3"
        )

        # URI  : ssh://satoshi@bitcoin.org
        # hash : 5fa612f558a1a3b1fb7f010b2ea0a25cb02520a0ffa202ce74a92fc6145da5f3
        # path : m/2147483661/4111640159/2980290904/2332131323/3701645358
        identity = proto.IdentityType(
            proto="ssh", user="satoshi", host="bitcoin.org", port="", path="", index=47
        )
        sig = misc.sign_identity(
            self.client, identity, hidden, visual, ecdsa_curve_name="ed25519"
        )
        assert sig.address is None
        assert (
            sig.public_key.hex()
            == "000fac2a491e0f5b871dc48288a4cae551bac5cb0ed19df0764d6e721ec5fade18"
        )
        assert (
            sig.signature.hex()
            == "00f05e5085e666429de397c70a081932654369619c0bd2a6579ea6c1ef2af112ef79998d6c862a16b932d44b1ac1b83c8cbcd0fbda228274fde9e0d0ca6e9cb709"
        )
