"""Tests for MNC parser."""

import pytest
from aucourt_ingest.utils.mnc_parser import parse_mnc, is_valid_mnc


class TestParseMNC:
    def test_standard_nsw(self):
        r = parse_mnc("[2019] NSWSC 1234")
        assert r is not None
        assert r.year == 2019
        assert r.court == "NSWSC"
        assert r.number == 1234
        assert r.jurisdiction == "NSW"
        assert r.mnc == "[2019] NSWSC 1234"

    def test_high_court(self):
        r = parse_mnc("[2020] HCA 12")
        assert r is not None
        assert r.year == 2020
        assert r.court == "HCA"
        assert r.jurisdiction == "CTH"

    def test_federal_court(self):
        r = parse_mnc("[2021] FCA 456")
        assert r is not None
        assert r.court == "FCA"
        assert r.jurisdiction == "CTH"

    def test_queensland(self):
        r = parse_mnc("[2018] QSC 78")
        assert r is not None
        assert r.jurisdiction == "QLD"

    def test_victoria(self):
        r = parse_mnc("[2022] VSC 333")
        assert r is not None
        assert r.jurisdiction == "VIC"

    def test_extracts_from_longer_text(self):
        r = parse_mnc("The matter is [2019] NSWSC 1234 and concerns...")
        assert r is not None
        assert r.year == 2019
        assert r.court == "NSWSC"

    def test_unknown_court(self):
        r = parse_mnc("[2020] XXX 1")
        assert r is not None
        assert r.jurisdiction == "UNKNOWN"

    def test_none_on_no_match(self):
        assert parse_mnc("no citation here") is None
        assert parse_mnc("") is None
        assert parse_mnc("[not-a-year] NSWSC 1") is None

    def test_none_on_malformed(self):
        assert parse_mnc("[2019]NSWSC1234") is None  # missing spaces
        assert parse_mnc("[2019] 1234") is None       # missing court code
        assert parse_mnc("2019 NSWSC 1234") is None   # missing brackets


class TestIsValidMNC:
    def test_valid(self):
        assert is_valid_mnc("[2019] NSWSC 1234")
        assert is_valid_mnc("[2020] HCA 12")

    def test_invalid(self):
        assert not is_valid_mnc("not a citation")
        assert not is_valid_mnc("")