"""clean_text and the input limits."""

from __future__ import annotations

from packetstation.text import RX_HEAT, RX_LOT, RX_PROJECT, RX_STAMP, clean_deep, clean_opt, clean_text, reason_ok


def test_clean_text_strips_controls_and_invisible_marks() -> None:
    assert clean_text("  a\u0000b​c‮d⁦e\u007f  ") == "abcde"
    assert clean_text("tab\tkept\nand\r\nnewlines") == "tab\tkept\nand\r\nnewlines"
    assert clean_text(None) == ""
    assert clean_text(42) == "42"


def test_clean_text_normalises_and_cuts() -> None:
    assert clean_text("é") == "é"  # NFC
    assert clean_text("x" * 50, 10) == "x" * 10


def test_clean_opt_and_reason() -> None:
    assert clean_opt("   ", 10) is None
    assert clean_opt(" a ", 10) == "a"
    assert reason_ok("short") is None
    assert reason_ok("  ticket INC-1234  ") == "ticket INC-1234"


def test_clean_deep() -> None:
    out = clean_deep({"a": [" x\u0000 ", {"b": "​y"}], "n": 3})
    assert out == {"a": ["x", {"b": "y"}], "n": 3}


def test_regexes() -> None:
    assert RX_HEAT.match("AB12 3/4-#7") and not RX_HEAT.match("-x") and not RX_HEAT.match("a" * 41)
    assert RX_STAMP.match("W-12") and not RX_STAMP.match("W 12")
    assert RX_PROJECT.match("L670") and not RX_PROJECT.match("-L")
    assert RX_LOT.match("7A") and RX_LOT.match("001") and not RX_LOT.match("0001")