import XCTest
@testable import MatchLiveTv

@MainActor
final class ScoreControllerTests: XCTestCase {
    func testBindNewSessionResetsScoreToZero() {
        let controller = ScoreController(
            scoreRepository: ScoreRepository(api: MatchLiveAPI()),
            sessionCable: SessionCableService()
        )
        var previous = ScoreState()
        previous.homePoints = 3
        previous.awayPoints = 3
        controller.bind(sessionId: "session-1", initial: previous)
        XCTAssertEqual(controller.score.homePoints, 3)

        controller.bind(sessionId: "session-2", initial: nil)
        XCTAssertEqual(controller.score.homePoints, 0)
        XCTAssertEqual(controller.score.awayPoints, 0)
    }

    func testBindNewSessionUsesServerInitialState() {
        let controller = ScoreController(
            scoreRepository: ScoreRepository(api: MatchLiveAPI()),
            sessionCable: SessionCableService()
        )
        controller.bind(sessionId: "session-1", initial: ScoreState(homePoints: 2, awayPoints: 1))
        var fresh = ScoreState()
        fresh.homePoints = 1
        fresh.awayPoints = 0
        controller.bind(sessionId: "session-2", initial: fresh)
        XCTAssertEqual(controller.score.homePoints, 1)
        XCTAssertEqual(controller.score.awayPoints, 0)
    }

    func testIncrementHomeUpdatesPublishedScore() {
        let controller = ScoreController(
            scoreRepository: ScoreRepository(api: MatchLiveAPI()),
            sessionCable: SessionCableService()
        )
        controller.bind(sessionId: "session-1", initial: ScoreState())
        controller.incrementHome()
        XCTAssertEqual(controller.score.homePoints, 1)
    }

    func testApplyBoardActionOptimisticThenConfirm() async {
        let api = MatchLiveAPI()
        let controller = ScoreController(
            scoreRepository: ScoreRepository(api: api),
            sessionCable: SessionCableService()
        )
        controller.bind(sessionId: "session-1", initial: ScoreState())
        // Senza backend: fallisce e ripristina — ma l'ottimistico deve almeno scattare durante la chiamata.
        // Verifichiamo solo che applyOptimistic funzioni via applyAction locale.
        controller.applyAction("home_point")
        XCTAssertEqual(controller.score.homePoints, 1)
    }

    func testAdvancePeriodOptimisticUpdatesQuarter() {
        let controller = ScoreController(
            scoreRepository: ScoreRepository(api: MatchLiveAPI()),
            sessionCable: SessionCableService()
        )
        var initial = ScoreState()
        initial.boardType = "basket"
        initial.period = 1
        initial.periodLabel = "Q1"
        controller.bind(sessionId: "session-1", initial: initial)
        controller.applyAction("advance_period")
        XCTAssertEqual(controller.score.period, 2)
        XCTAssertEqual(controller.score.periodLabel, "Q2")
        XCTAssertFalse(controller.score.clockRunning)
    }

    func testProgressKeyChangesWhenPeriodAdvances() {
        var q1 = ScoreState(boardType: "basket", period: 1, periodLabel: "Q1", clockSecs: 600)
        var q2 = ScoreState(boardType: "basket", period: 2, periodLabel: "Q2", clockSecs: 600)
        q1.homePoints = 10
        q1.awayPoints = 8
        q2.homePoints = 10
        q2.awayPoints = 8
        XCTAssertGreaterThan(q2.progressKey(), q1.progressKey())
    }
}