import AppKit
import ConjureKit
import Testing
@testable import Conjure

@Test @MainActor func actionsBackgroundKeepsWindowCoordinates() throws {
    _ = NSApplication.shared
    let window = NSWindow(contentRect: NSRect(x: 0, y: 0, width: 750, height: 480),
                          styleMask: [.borderless], backing: .buffered, defer: false)
    let host = try #require(window.contentView)
    let anchor = NSView(frame: NSRect(x: 700, y: 20, width: 30, height: 30))
    host.addSubview(anchor)
    let actions = ApplicationActionsController()
    defer { actions.close(animated: false) }
    func descendants(_ view: NSView) -> [NSView] { [view] + view.subviews.flatMap(descendants) }
    for width in [750.0, 900.0] {
        window.setContentSize(NSSize(width: width, height: 480))
        actions.showEmoji(named: "Smile", relativeTo: anchor)
        let background = try #require(descendants(host).compactMap { $0 as? LauncherBackground }.first)
        let search = try #require(descendants(actions.view).compactMap { $0 as? NSSearchField }.first)
        for query in ["", "Copy Emoji", "no matching action"] {
            search.stringValue = query
            actions.controlTextDidChange(Notification(name: NSControl.textDidChangeNotification, object: search))
            host.layoutSubtreeIfNeeded()
            let rect = background.convert(background.bounds, to: host)
            #expect(rect == host.bounds)
            #expect(background.bounds.size != actions.view.bounds.size)
        }
        actions.close(animated: false)
    }
}

@Test @MainActor func providerPickerReplacesAnchorDownwardAndKeepsCurrentSelection() throws {
    _ = NSApplication.shared
    let window = NSWindow(contentRect: NSRect(x: 0, y: 0, width: 750, height: 480),
                          styleMask: .borderless, backing: .buffered, defer: false)
    window.isReleasedWhenClosed = false
    let host = try #require(window.contentView)
    let pill = NSView(frame: NSRect(x: 500, y: 420, width: 230, height: 36))
    let anchor = NSButton(frame: pill.bounds)
    pill.addSubview(anchor)
    host.addSubview(pill)
    let popup = ApplicationActionsController()
    defer { popup.close(animated: false); window.orderOut(nil) }
    var selections: [Bool] = []
    popup.selectProvider = { selections.append($0) }
    popup.showProviders(selectedOpenAI: true, relativeTo: anchor)
    host.layoutSubtreeIfNeeded()
    let rect = popup.view.convert(popup.view.bounds, to: host)
    #expect(rect.maxY == pill.frame.maxY)
    #expect(rect.minY < pill.frame.minY)
    #expect(rect.maxX == pill.frame.maxX)
    #expect(pill.isAccessibilityHidden())
    _ = popup.handle(#selector(NSResponder.insertNewline(_:)))
    #expect(selections == [true])
    // Reopen during the close animation, then switch modes without retaining the old anchor.
    popup.showTranslation(relativeTo: anchor)
    popup.showProviders(selectedOpenAI: false, relativeTo: anchor)
    host.layoutSubtreeIfNeeded()
    #expect(popup.view.convert(popup.view.bounds, to: host).maxY == pill.frame.maxY)
    popup.moveSelection(by: 1)
    _ = popup.handle(#selector(NSResponder.insertNewline(_:)))
    #expect(selections == [true, true])
    popup.close(animated: false)
    #expect(pill.alphaValue == 1)
    #expect(!pill.isAccessibilityHidden())
}