#if os(macOS)
  import CoreGraphics
  import XCTest

  @testable import CallsKit

  /// One press on the mini window (2026-10-05, Paul: "Sometimes I can't
  /// click the mini window to either bring the call to the front or move
  /// it around"): click, move or resize, and on which surface.
  final class MiniWindowGestureTests: XCTestCase {
    let window = CGSize(width: 200, height: 112.5)

    func testAPressThatStaysPutIsAClick() {
      XCTAssertFalse(MiniWindowGesture.dragged(dx: 0, dy: 0))
      XCTAssertFalse(MiniWindowGesture.dragged(dx: 3, dy: -2), "a shaky hand")
      XCTAssertEqual(
        MiniWindowGesture.outcome(grabbed: [], dragged: false, clickCount: 1, option: false), .click(count: 1))
      XCTAssertEqual(
        MiniWindowGesture.outcome(grabbed: [.right], dragged: false, clickCount: 2, option: false), .click(count: 2),
        "a click on an edge is still a click: it brings the call forward")
    }

    func testAPressThatTravelsIsADrag() {
      XCTAssertTrue(MiniWindowGesture.dragged(dx: 5, dy: 0))
      XCTAssertEqual(
        MiniWindowGesture.outcome(grabbed: [], dragged: true, clickCount: 1, option: true), .move(option: true))
      XCTAssertEqual(
        MiniWindowGesture.outcome(grabbed: [.left, .bottom], dragged: true, clickCount: 1, option: false),
        .resize([.left, .bottom]))
    }

    func testTheMiddleMovesAndTheEdgesResize() {
      XCTAssertEqual(MiniWindowGesture.grab(at: CGPoint(x: 100, y: 56), in: window, surface: .window), [])
      XCTAssertEqual(MiniWindowGesture.grab(at: CGPoint(x: 197, y: 56), in: window, surface: .window), [.right])
      XCTAssertEqual(MiniWindowGesture.grab(at: CGPoint(x: 2, y: 2), in: window, surface: .window), [.left, .bottom])
      XCTAssertEqual(MiniWindowGesture.grab(at: CGPoint(x: 198, y: 110), in: window, surface: .window), [.right, .top])
    }

    func testEvenTheSmallestWindowIsMostlyForMoving() {
      // Grips are 8 pt: at 200 × 112.5 the middle that moves is the rest.
      var moving = 0
      var total = 0
      for x in stride(from: 0.0, through: 200, by: 4) {
        for y in stride(from: 0.0, through: 112, by: 4) {
          total += 1
          if MiniWindowGesture.grab(at: CGPoint(x: x, y: y), in: window, surface: .window).isEmpty { moving += 1 }
        }
      }
      XCTAssertGreaterThan(Double(moving) / Double(total), 0.7, "about 79% by area")
    }

    func testTheTabNeverResizes() {
      let tab = MiniWindowTab.size
      for point in [CGPoint(x: 1, y: 1), CGPoint(x: tab.width - 1, y: tab.height / 2), CGPoint(x: tab.width / 2, y: tab.height / 2)] {
        XCTAssertEqual(MiniWindowGesture.grab(at: point, in: tab, surface: .tab), [], "\(point)")
      }
    }

    func testAWindowTooSmallForGripsHasNone() {
      XCTAssertEqual(MiniWindowGesture.grab(at: CGPoint(x: 1, y: 1), in: CGSize(width: 30, height: 20), surface: .window), [])
    }
  }
#endif