import XCTest

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

    override func setUpWithError() throws {
        continueAfterFailure = false
    }

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

        app.showReaderChromeIfNeeded()

        XCTAssertTrue(app.otherElements[IDs.readerTopToolbar].waitForExistence(timeout: 3), "顶部工具栏应可见")
        XCTAssertTrue(app.otherElements[IDs.readerBottomToolbar].waitForExistence(timeout: 3), "底部工具栏应可见")

        app.hideReaderChromeIfNeeded()

        let backButton = app.buttons[IDs.readerBack]
        let hidden = !backButton.waitForExistence(timeout: 2)
        XCTAssertTrue(hidden, "点击内容区后工具栏应隐藏")
    }

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

        app.showReaderChromeIfNeeded()
        XCTAssertTrue(app.buttons[IDs.readerBack].waitForExistence(timeout: 3))

        app.hideReaderChromeIfNeeded()

        app.showReaderChromeIfNeeded()
        XCTAssertTrue(app.buttons[IDs.readerBack].waitForExistence(timeout: 3))

        app.waitForDemoReaderState(timeout: 5, description: "reader=opened") { $0.isOpened }
    }

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

        app.showReaderChromeIfNeeded()

        let addHighlightButton = app.buttons[IDs.readerAddHighlight]
        XCTAssertTrue(addHighlightButton.waitForExistence(timeout: 3), "标注按钮应存在")

        let beforeState = app.waitForDemoReaderState(timeout: 3, description: "初始高亮数") { $0.highlights != nil }
        let highlightsBefore = beforeState.highlights ?? 0

        addHighlightButton.tap()

        let afterState = app.waitForDemoReaderState(timeout: 3, description: "点击后的高亮数") { $0.highlights != nil }
        let highlightsAfter = afterState.highlights ?? 0
        XCTAssertEqual(highlightsAfter, highlightsBefore, "无选区时点击标注按钮不应创建标注")
    }

    func testPageCurlSwipeNavigation() throws {
        app.launchAndOpenSampleBook(displayType: "pagecurl")
        app.waitForReader(timeout: 12)

        app.waitForReaderPage(1, timeout: 5)

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

        app.waitForDemoReaderState(timeout: 5, description: "reader=opened") { $0.isOpened }
    }
}