//
//  TripSavingTests.swift
//  SportsTimeUITests
//
//  Tests the end-to-end trip saving flow: plan → select → save → verify in My Trips.
//  QA Sheet: F-064, F-065, F-077, F-078, F-079, F-080
//

import XCTest

final class TripSavingTests: BaseUITestCase {

    // MARK: - Helpers

    /// Plans a trip, saves it, navigates back to My Trips, and returns the screens.
    @MainActor
    private func planSaveAndReturnToMyTrips() -> (home: HomeScreen, myTrips: MyTripsScreen) {
        let (wizard, detail) = TestFlows.planAndSelectFirstTrip(app: app)

        detail.assertSaveState(isSaved: false)
        detail.tapFavorite()
        detail.assertSaveState(isSaved: true)

        // Navigate back: Detail → Options → Wizard → Cancel
        app.navigationBars.buttons.firstMatch.tap()
        let wizardBackBtn = app.navigationBars.buttons.firstMatch
        wizardBackBtn.waitUntilHittable(timeout: BaseUITestCase.shortTimeout).tap()
        wizard.tapCancel()

        let home = HomeScreen(app: app)
        home.switchToTab(home.myTripsTab)

        let myTrips = MyTripsScreen(app: app)
        return (home, myTrips)
    }

    // MARK: - Save Trip (F-043)

    /// F-043/F-044: Plans a trip, selects an option, saves it, and verifies it appears in My Trips.
    @MainActor
    func testF043_SaveTripAppearsInMyTrips() {
        let (_, myTrips) = planSaveAndReturnToMyTrips()
        myTrips.assertHasTrips()

        captureScreenshot(named: "F043-TripSaving-InMyTrips")
    }

    // MARK: - Save/Unsave Toggle (F-048, F-049)

    /// F-048: Save trip — unsaved trip shows "Save to favorites", tap changes to "Remove from favorites".
    @MainActor
    func testF048_SaveTrip() {
        let (_, detail) = TestFlows.planAndSelectFirstTrip(app: app)

        detail.assertSaveState(isSaved: false)
        detail.tapFavorite()
        detail.assertSaveState(isSaved: true)

        captureScreenshot(named: "F048-TripSaved")
    }

    /// F-049: Unsave trip — saved trip can be un-favorited by tapping again.
    @MainActor
    func testF049_UnsaveTrip() {
        let (_, detail) = TestFlows.planAndSelectFirstTrip(app: app)

        // Save first
        detail.assertSaveState(isSaved: false)
        detail.tapFavorite()
        detail.assertSaveState(isSaved: true)

        // Unsave
        detail.tapFavorite()
        detail.assertSaveState(isSaved: false)

        captureScreenshot(named: "F049-TripUnsaved")
    }

    // MARK: - Saved Trips List (F-059)

    /// F-059: Saved trips list shows trip card after saving.
    @MainActor
    func testF059_SavedTripsList() {
        let (_, myTrips) = planSaveAndReturnToMyTrips()

        myTrips.assertHasTrips()

        // First trip card should exist
        let firstTrip = myTrips.tripCard(0)
        XCTAssertTrue(
            firstTrip.waitForExistence(timeout: BaseUITestCase.defaultTimeout),
            "First saved trip card should be visible"
        )

        captureScreenshot(named: "F059-SavedTripsList")
    }

    // MARK: - Empty State (F-058)

    /// F-058: My Trips empty state when no trips saved.
    @MainActor
    func testF058_MyTripsEmptyState() {
        let home = HomeScreen(app: app)
        home.waitForLoad()
        home.switchToTab(home.myTripsTab)

        let myTrips = MyTripsScreen(app: app)
        myTrips.assertEmpty()

        captureScreenshot(named: "F058-MyTrips-Empty")
    }

    // MARK: - Tap Saved Trip Opens Detail (F-079)

    /// F-079: Tapping a saved trip card opens the detail view.
    @MainActor
    func testF079_TapSavedTripOpensDetail() {
        let (_, myTrips) = planSaveAndReturnToMyTrips()
        myTrips.assertHasTrips()

        // Tap the first saved trip
        myTrips.tapTrip(at: 0)

        // Trip detail should open
        let detail = TripDetailScreen(app: app)
        detail.waitForLoad()
        detail.assertItineraryVisible()

        captureScreenshot(named: "F079-TapSavedTripOpensDetail")
    }

    // MARK: - Remove Saved Trip (F-080)

    /// F-080: Unfavoriting a trip removes it from My Trips.
    @MainActor
    func testF080_DeleteSavedTrip() {
        let (_, myTrips) = planSaveAndReturnToMyTrips()
        myTrips.assertHasTrips()

        // Tap into the saved trip detail
        myTrips.tapTrip(at: 0)

        let detail = TripDetailScreen(app: app)
        detail.waitForLoad()

        // Unfavorite to remove from saved trips
        detail.assertSaveState(isSaved: true)
        detail.tapFavorite()
        detail.assertSaveState(isSaved: false)

        // Navigate back to My Trips
        app.navigationBars.buttons.firstMatch.tap()

        // After unfavoriting, should show empty state
        myTrips.assertEmpty()

        captureScreenshot(named: "F080-DeleteSavedTrip")
    }

    // MARK: - Stats Row (F-061)

    /// F-061: Trip detail stats row shows city count, game count, distance, driving time.
    @MainActor
    func testF061_StatsRowDisplaysCorrectly() {
        let (_, detail) = TestFlows.planAndSelectFirstTrip(app: app)

        detail.assertStatsRowVisible()

        captureScreenshot(named: "F061-StatsRow")
    }
}