import XCTest
@testable import MatchLiveTv

final class MatchScoringRulesTests: XCTestCase {
    private func volleyMatch(setsToWin: Int = 3, rules: ScoringRules? = nil) -> Match {
        Match(
            id: "match-1",
            teamId: "team-1",
            teamName: "Tigers Volley",
            opponentName: "Avversario",
            location: nil,
            scheduledAt: nil,
            sportKey: "pallavolo",
            sportLabel: "Pallavolo",
            boardType: "volley",
            overlayKind: "volley",
            effectiveOverlayKind: "volley",
            setsToWin: setsToWin,
            category: nil,
            scoringRules: rules,
            activeSessionId: nil,
            activeSessionStatus: nil,
            streamCompleted: false,
            coachHubVisible: nil,
            homePrimaryColor: "#FF2D2D",
            homeSecondaryColor: nil,
            homeLogoUrl: nil,
            opponentPrimaryColor: "#1E3A8A",
            opponentLogoUrl: nil
        )
    }

    func testSetWinnerAt26_12() {
        let rules = MatchScoringContext(match: volleyMatch())
        XCTAssertEqual(rules.setWinnerFromPoints(homePoints: 26, awayPoints: 12, currentSet: 1), .home)
    }

    func testSetWinnerRequiresMinLead() {
        let rules = MatchScoringContext(match: volleyMatch())
        XCTAssertNil(rules.setWinnerFromPoints(homePoints: 25, awayPoints: 24, currentSet: 1))
        XCTAssertEqual(rules.setWinnerFromPoints(homePoints: 25, awayPoints: 23, currentSet: 1), .home)
    }

    func testDecidingSetUses15Points() {
        let rules = MatchScoringContext(match: volleyMatch(setsToWin: 3))
        XCTAssertEqual(rules.maxSets, 5)
        XCTAssertEqual(rules.pointsTarget(currentSet: 5), 15)
        XCTAssertEqual(rules.setWinnerFromPoints(homePoints: 15, awayPoints: 13, currentSet: 5), .home)
    }

    func testMatchWinnerAfterThreeSets() {
        let rules = MatchScoringContext(match: volleyMatch(setsToWin: 3))
        XCTAssertEqual(rules.matchWinner(homeSets: 3, awaySets: 1), .home)
        XCTAssertNil(rules.matchWinner(homeSets: 2, awaySets: 1))
    }

    func testCustomScoringRulesFromMatch() {
        let custom = ScoringRules(pointsPerSet: 21, pointsDecidingSet: 15, minPointLead: 2)
        let rules = MatchScoringContext(match: volleyMatch(setsToWin: 2, rules: custom))
        XCTAssertEqual(rules.pointsTarget(currentSet: 1), 21)
        XCTAssertEqual(rules.setWinnerFromPoints(homePoints: 21, awayPoints: 19, currentSet: 1), .home)
    }

    func testUsesSetLogicOnlyForVolleyAndRacket() {
        XCTAssertTrue(MatchScoringContext(match: volleyMatch()).usesSetLogic)
        var basket = volleyMatch()
        basket = Match(
            id: basket.id,
            teamId: basket.teamId,
            teamName: basket.teamName,
            opponentName: basket.opponentName,
            location: basket.location,
            scheduledAt: basket.scheduledAt,
            sportKey: "basket",
            sportLabel: "Basket",
            boardType: "basket",
            overlayKind: "basket",
            effectiveOverlayKind: "basket",
            setsToWin: 0,
            category: nil,
            scoringRules: nil,
            activeSessionId: nil,
            activeSessionStatus: nil,
            streamCompleted: false,
            coachHubVisible: nil,
            homePrimaryColor: nil,
            homeSecondaryColor: nil,
            homeLogoUrl: nil,
            opponentPrimaryColor: nil,
            opponentLogoUrl: nil
        )
        XCTAssertFalse(MatchScoringContext(match: basket).usesSetLogic)
    }

    func testDecodesFlexibleScorePayload() throws {
        let json = """
        {
          "board_type": "basket",
          "home_points": 42,
          "away_points": 38,
          "current_set": 1,
          "period": "Q3",
          "clock_secs": 312,
          "clock_running": 1,
          "data": { "home_score": 42, "away_score": 38, "period": 3, "overtime": false }
        }
        """.data(using: .utf8)!
        let dto = try ApiInstant.decoder.decode(ScoreStateDto.self, from: json)
        let score = dto.toDomain()
        XCTAssertEqual(score.boardType, "basket")
        XCTAssertEqual(score.homePoints, 42)
        XCTAssertEqual(score.periodLabel, "Q3")
        XCTAssertEqual(score.clockSecs, 312)
        XCTAssertTrue(score.clockRunning)
    }
}

final class ScoreboardOverlayTests: XCTestCase {
    func testScoreboardColumnsAfterSetClosed() {
        let score = ScoreState(
            homeSets: 1,
            awaySets: 0,
            homePoints: 0,
            awayPoints: 0,
            currentSet: 2,
            setPartials: [SetPartial(set: 1, home: 26, away: 12)],
            boardType: "volley"
        )
        let board = score.toScoreboardState(homeTeamName: "Casa", awayTeamName: "Ospite")
        XCTAssertEqual(board.columns.count, 2)
        XCTAssertEqual(board.columns[0].setNumber, 1)
        XCTAssertEqual(board.columns[0].homePoints, 26)
        XCTAssertEqual(board.columns[0].awayPoints, 12)
        XCTAssertFalse(board.columns[0].isCurrent)
        XCTAssertEqual(board.columns[1].setNumber, 2)
        XCTAssertTrue(board.columns[1].isCurrent)
        XCTAssertEqual(board.columns[1].homePoints, 0)
        XCTAssertEqual(board.columns[1].awayPoints, 0)
    }
}