"""rawcli Phase 1 — session state, breadcrumb, trace rendering, CLI dispatch. Hardware-free."""
import re

from pm3py.cli.main import build_parser, main
from pm3py.cli.rawcli.session import RawSession
from pm3py.cli.rawcli.trace_view import render_exchange

_ANSI = re.compile(r"\x1b\[[0-9;]*m")


def _plain(s: str) -> str:
    return _ANSI.sub("", s)


class TestBreadcrumb:
    def test_default(self):
        assert RawSession().breadcrumb() == "[raw / 0x]"

    def test_toggle_to_binary(self):
        s = RawSession()
        assert s.toggle_entry_mode() == "bin"
        assert s.entry_prefix == "0b"
        assert s.breadcrumb() == "[raw / 0b]"
        assert s.toggle_entry_mode() == "hex"
        assert s.breadcrumb() == "[raw / 0x]"

    def test_identified_fills_segments(self):
        s = RawSession()
        s.field = "hf"
        s.transponder = "NTAG215"
        assert s.breadcrumb() == "[raw / hf / NTAG215 / 0x]"

    def test_field_only(self):
        s = RawSession()
        s.field = "lf"
        assert s.breadcrumb() == "[raw / lf / 0x]"


class TestTraceView:
    def test_command_and_response_lines(self):
        out = _plain(render_exchange(bytes([0x30, 0x04]),
                                     bytes([0x00, 0x01, 0x02, 0x03]),
                                     protocol="hf14a", is_tty=False))
        assert "Reader → Tag" in out
        assert "Tag → Reader" in out
        assert "30 04" in out            # command bytes shown

    def test_command_only_when_no_response(self):
        out = _plain(render_exchange(bytes([0x26]), None, protocol="hf14a", is_tty=False))
        assert "Reader → Tag" in out
        assert "Tag → Reader" not in out

    def test_annotation_present_for_known_command(self):
        # 0x30 = 14a READ; the decoder should annotate it (exact text may vary)
        out = _plain(render_exchange(bytes([0x30, 0x04]), None, protocol="hf14a", is_tty=False))
        assert "READ" in out.upper()


class TestCliDispatch:
    def test_rawcli_subcommand_parsed(self):
        args = build_parser().parse_args(["rawcli", "--port", "/dev/ttyACM0"])
        assert args.command == "rawcli" and args.port == "/dev/ttyACM0"

    def test_no_command_prints_help(self, capsys):
        rc = main([])
        assert rc == 1
        assert "rawcli" in capsys.readouterr().out