package dev.castarr.tv.data

import org.junit.Assert.assertEquals
import org.junit.Assert.assertNull
import org.junit.Test

class FixtureTest {

    @Test
    fun `competition prefix and round suffix fall away`() {
        assertEquals(
            "Nordstadt - FC St. Pauli",
            TeamFilters.fixture("Pokal: Nordstadt - FC St. Pauli, 1. Runde"),
        )
    }

    @Test
    fun `a bare pairing survives unchanged`() {
        assertEquals(
            "FC Bayern München - Borussia Dortmund",
            TeamFilters.fixture("FC Bayern München - Borussia Dortmund"),
        )
    }

    @Test
    fun `en dash and vs count as separators`() {
        assertEquals("Schalke - HSV", TeamFilters.fixture("2. Liga: Schalke – HSV"))
        assertEquals("Kiel - Rostock", TeamFilters.fixture("Kiel vs. Rostock"))
    }

    @Test
    fun `trailing channel detail is dropped`() {
        assertEquals(
            "Werder - Union Berlin",
            TeamFilters.fixture("Bundesliga: Werder - Union Berlin | live"),
        )
    }

    /** A magazine about the club is a hit, but has no pairing to shorten. */
    @Test
    fun `a title without a pairing keeps the original`() {
        assertNull(TeamFilters.fixture("FC St. Pauli: Der Rückblick"))
        assertNull(TeamFilters.fixture("Sportschau"))
    }

    @Test
    fun `a dangling separator is not a pairing`() {
        assertNull(TeamFilters.fixture("Pokal: - , 1. Runde"))
    }

    /** Hyphenated club names must not be mistaken for the separator. */
    @Test
    fun `hyphens inside a name do not split`() {
        assertEquals(
            "Rot-Weiss Essen - Preußen Münster",
            TeamFilters.fixture("3. Liga: Rot-Weiss Essen - Preußen Münster"),
        )
    }

    // --- Titel aus echten EPG-Daten (Sky, DAZN, ran) ----------------------

    @Test
    fun `a real Sky title yields both clubs`() {
        assertEquals(
            "Bayer Leverkusen - VfB Stuttgart",
            TeamFilters.fixture(
                "BL: Bayer Leverkusen - VfB Stuttgart, tipico Topspiel der Woche, 16. Spieltag"
            ),
        )
    }

    /** The one that gave "VfB Stuttgart - Saison 25-26" as a fixture. */
    @Test
    fun `a season is not an opponent`() {
        assertNull(TeamFilters.fixture("BL: VfB Stuttgart - Saison 25-26"))
        assertNull(TeamFilters.fixture("BL: Vereinsprofil VfB Stuttgart"))
    }

    @Test
    fun `a trailing half is dropped, not treated as a third team`() {
        assertEquals(
            "Bundesliga Eröffnungsspiel FC Bayern München - VfB Stuttgart",
            TeamFilters.fixture(
                "ran Fußball: Bundesliga Eröffnungsspiel FC Bayern München - VfB Stuttgart - 1. Halbzeit"
            ),
        )
    }

    @Test
    fun `youth teams keep their suffix`() {
        assertEquals(
            "VfB Stuttgart U19 - SC Freiburg U19",
            TeamFilters.fixture("Live DFB-Pokal Junioren: VfB Stuttgart U19 - SC Freiburg U19, 2. Runde"),
        )
    }

    @Test
    fun `a live prefix falls away with the competition`() {
        assertEquals(
            "VfB Stuttgart - Hamburger SV",
            TeamFilters.fixture("LIVE: VfB Stuttgart - Hamburger SV"),
        )
    }
}