import AppKit
import ConjureKit
import Testing
@testable import Conjure

@Test @MainActor func activationAlwaysTargetsRequestedViewAndClearsPreviousTool() throws {
    _ = NSApplication.shared
    let suite = "ConjureDestination.\(UUID().uuidString)"
    let defaults = UserDefaults(suiteName: suite)!
    defer { defaults.removePersistentDomain(forName: suite) }
    let launcher = LauncherWindowController(history: LaunchHistory(defaults: defaults, now: { Date(timeIntervalSinceReferenceDate: 12_000) }))
    let window = try #require(launcher.window)
    defer { window.orderOut(nil) }
    func descendants(_ view: NSView) -> [NSView] { [view] + view.subviews.flatMap(descendants) }
    let content = try #require(window.contentView)
    let search = try #require(descendants(content).compactMap { $0 as? NSSearchField }.first)
    launcher.present(command: .emoji)
    #expect(descendants(content).contains { $0 is NSCollectionView })
    search.stringValue = "happy"
    launcher.controlTextDidChange(Notification(name: NSControl.textDidChangeNotification, object: search))
    window.orderOut(nil)
    launcher.toggle()
    #expect(!descendants(content).contains { $0 is NSCollectionView })
    #expect(search.stringValue.isEmpty)
    #expect(search.accessibilityLabel() == "Search applications, calculate, or convert units and currencies")
    launcher.toggle(command: .translate)
    #expect(search.accessibilityLabel() == "English text to translate into Japanese")
    launcher.toggle(command: .emoji)
    #expect(search.accessibilityLabel() == "Search emoji")
    #expect(search.stringValue.isEmpty)
    launcher.present()
    #expect(!descendants(content).contains { $0 is NSCollectionView })
    #expect(search.accessibilityLabel() == "Search applications, calculate, or convert units and currencies")
}

@Test(arguments: Application.Command.allCases, [true, false])
@MainActor func commandsAreFullyVisibleImmediately(_ command: Application.Command, _ fromShortcut: Bool) throws {
    _ = NSApplication.shared
    let suite = "ConjurePresentation.\(UUID().uuidString)"
    let defaults = UserDefaults(suiteName: suite)!
    defer { defaults.removePersistentDomain(forName: suite) }
    let launcher = LauncherWindowController(
        history: LaunchHistory(defaults: defaults, now: { Date(timeIntervalSinceReferenceDate: 12_000) }),
        defaults: defaults)
    let window = try #require(launcher.window)
    defer { window.orderOut(nil) }
    let content = try #require(window.contentView)
    func descendants(_ view: NSView) -> [NSView] { [view] + view.subviews.flatMap(descendants) }
    if fromShortcut {
        launcher.toggle(command: command)
    } else {
        launcher.present()
        let search = try #require(descendants(content).compactMap { $0 as? NSSearchField }.first)
        search.stringValue = command.rawValue
        launcher.controlTextDidChange(Notification(name: NSControl.textDidChangeNotification, object: search))
        _ = launcher.control(search, textView: NSTextView(), doCommandBy: #selector(NSResponder.insertNewline(_:)))
    }
    let tool = try #require(content.subviews.first { view in
        descendants(view).contains {
            switch command {
            case .emoji: $0 is NSCollectionView
            case .translate: $0.accessibilityLabel() == "Japanese translation"
            }
        }
    })
    #expect(window.isVisible)
    #expect(!tool.isHidden)
    #expect(tool.alphaValue == 1)
}