//
//  AllDayViewStylesTests.swift
//  Tests iOS
//
//  Exhaustive day view style switching tests — verify all 20 styles render without crash.
//

import XCTest

final class AllDayViewStylesTests: BaseUITestCase {
    override var seedFixture: String? { "single_mood" }
    override var bypassSubscription: Bool { true }

    /// TC-021: Switch between representative day view styles and verify no crash.
    /// Tests a sample of 5 styles (first, middle, last, and edge cases) to verify
    /// stability without exhaustively cycling all 20, which can cause resource pressure.
    func testAllDayViewStyles_NoCrash() {
        let tabBar = TabBarScreen(app: app)
        let customizeScreen = CustomizeScreen(app: app)

        // Representative sample: first, a middle one, last, and two requiring scroll
        let sampleStyles = ["Classic", "Neon", "Glass", "Orbit", "Minimal"]

        for style in sampleStyles {
            // Navigate to Settings > Customize tab
            let settingsScreen = tabBar.tapSettings()
            settingsScreen.assertVisible()
            settingsScreen.tapCustomizeTab()

            // Try to find the style button, scrolling if needed
            let button = customizeScreen.dayViewStyleButton(named: style)
            if !button.waitForExistence(timeout: 2) {
                for _ in 0..<5 {
                    app.swipeLeft()
                    if button.waitForExistence(timeout: 1) { break }
                }
            }

            if button.waitForExistence(timeout: 2) {
                button.coordinate(withNormalizedOffset: CGVector(dx: 0.5, dy: 0.5)).tap()
            }

            // Navigate to Day tab and verify the app didn't crash
            tabBar.tapDay()

            let entryRow = app.descendants(matching: .any)
                .matching(NSPredicate(format: "identifier BEGINSWITH %@", "entry_row_"))
                .firstMatch
            let moodHeader = app.descendants(matching: .any)
                .matching(identifier: "mood_header")
                .firstMatch

            let entryVisible = entryRow.waitForExistence(timeout: 5)
            let headerVisible = moodHeader.waitForExistence(timeout: 3)
            XCTAssertTrue(
                entryVisible || headerVisible,
                "Day view content should be visible after switching to '\(style)' style"
            )
        }

        captureScreenshot(name: "all_day_view_styles_completed")
    }
}