import XCTest

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

    override func setUpWithError() throws {
        continueAfterFailure = false
    }

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

        let selectionText = app.otherElements[IDs.readerSelectionText].firstMatch
        guard selectionText.waitForExistence(timeout: 5) else { throw XCTSkip("文本选区元素不存在") }

        let start = selectionText.coordinate(withNormalizedOffset: CGVector(dx: 0.3, dy: 0.5))
        let end = selectionText.coordinate(withNormalizedOffset: CGVector(dx: 0.6, dy: 0.5))
        start.press(forDuration: 0.8, thenDragTo: end)

        XCTAssertTrue(app.menuItems["拷贝"].waitForExistence(timeout: 3), "选区菜单应包含拷贝选项")
    }

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

        let selectionText = app.otherElements[IDs.readerSelectionText].firstMatch
        guard selectionText.waitForExistence(timeout: 5) else { throw XCTSkip("文本选区元素不存在") }

        let start = selectionText.coordinate(withNormalizedOffset: CGVector(dx: 0.3, dy: 0.5))
        let end = selectionText.coordinate(withNormalizedOffset: CGVector(dx: 0.6, dy: 0.5))
        start.press(forDuration: 0.8, thenDragTo: end)

        XCTAssertTrue(app.menuItems["批注"].waitForExistence(timeout: 3), "选区菜单应包含批注选项")
    }

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

        let selectionText = app.otherElements[IDs.readerSelectionText].firstMatch
        guard selectionText.waitForExistence(timeout: 5) else { throw XCTSkip("文本选区元素不存在") }

        let start = selectionText.coordinate(withNormalizedOffset: CGVector(dx: 0.3, dy: 0.5))
        let end = selectionText.coordinate(withNormalizedOffset: CGVector(dx: 0.6, dy: 0.5))
        start.press(forDuration: 0.8, thenDragTo: end)

        XCTAssertTrue(app.menuItems["拷贝"].waitForExistence(timeout: 3), "选区菜单应出现")

        let contentArea = app.otherElements[IDs.readerContentView].firstMatch
        if contentArea.waitForExistence(timeout: 3) {
            contentArea.coordinate(withNormalizedOffset: CGVector(dx: 0.1, dy: 0.1)).tap()
        }

        let menuGone = !app.menuItems["拷贝"].waitForExistence(timeout: 2)
        XCTAssertTrue(menuGone, "点击空白区域后选区菜单应消失")
    }

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

        let selectionText = app.otherElements[IDs.readerSelectionText].firstMatch
        guard selectionText.waitForExistence(timeout: 5) else { throw XCTSkip("文本选区元素不存在") }

        let start = selectionText.coordinate(withNormalizedOffset: CGVector(dx: 0.3, dy: 0.5))
        let end = selectionText.coordinate(withNormalizedOffset: CGVector(dx: 0.6, dy: 0.5))
        start.press(forDuration: 0.8, thenDragTo: end)

        let copyMenuItem = app.menuItems["拷贝"]
        if copyMenuItem.waitForExistence(timeout: 3) { copyMenuItem.tap() }

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