import XCTest

final class ErrorAndEdgeCaseTests: XCTestCase {
    private let app = XCUIApplication()

    override func setUpWithError() throws {
        continueAfterFailure = false
    }

    func testVerticalScrollSwipeNavigation() throws {
        app.launchAndOpenSampleBook(displayType: "verticalscroll")
        app.waitForReader(timeout: 12)

        let paging = app.collectionViews[IDs.readerPaging]
        if paging.waitForExistence(timeout: 5) { paging.swipeUp() }

        app.waitForReaderState(containing: "reader=opened", timeout: 5)
    }

    func testOpenAndCloseMultipleTimes() throws {
        for iteration in 1...3 {
            app.launchAndOpenSampleBook()
            app.waitForReader(timeout: 12)

            app.showReaderChromeIfNeeded()
            let backButton = app.buttons[IDs.readerBack]
            XCTAssertTrue(backButton.waitForExistence(timeout: 3), "返回按钮不存在")
            backButton.tap()

            let booksTable = app.tables[IDs.demoBooksTable]
            XCTAssertTrue(booksTable.waitForExistence(timeout: 5), "书列表未出现")
        }
    }

    func testRapidPageNavigation() throws {
        app.launchAndOpenSampleBook()
        app.waitForReader(timeout: 12)
        app.waitForReaderPage(1, timeout: 5)

        let paging = app.collectionViews[IDs.readerPaging]
        guard paging.waitForExistence(timeout: 5) else { throw XCTSkip("分页视图不存在") }

        for _ in 1...5 { paging.swipeLeft() }

        app.waitForReaderState(containing: "reader=opened", timeout: 8)
    }

    func testSettingsPanelScrollReachesAllControls() throws {
        app.launchAndOpenSampleBook()
        app.waitForReader(timeout: 12)

        app.showReaderChromeIfNeeded()
        app.buttons[IDs.readerSettings].tap()

        let settingsScroll = app.scrollViews[IDs.settingsScroll]
        XCTAssertTrue(settingsScroll.waitForExistence(timeout: 5), "设置面板未出现")

        XCTAssertTrue(app.buttons[IDs.settingsFontIncrease].waitForExistence(timeout: 3))
        XCTAssertTrue(app.buttons[IDs.settingsBrightness].waitForExistence(timeout: 3))

        settingsScroll.swipeUp()
        XCTAssertTrue(app.segmentedControls[IDs.settingsDisplayType].waitForExistence(timeout: 5))

        settingsScroll.swipeUp()
        XCTAssertTrue(app.buttons[IDs.settingsTheme(5)].waitForExistence(timeout: 5))

        app.buttons[IDs.settingsDone].tap()
    }
}