import SwiftUI
import XCTest

@testable import MultiSimAdmin

final class AIThemeTests: XCTestCase {
  func testControlDimensionsMatchIOS() {
    XCTAssertEqual(AITheme.buttonHeight, 48, accuracy: 0.1)
    XCTAssertEqual(AITheme.compactButtonHeight, 44, accuracy: 0.1)
    XCTAssertEqual(AITheme.largeButtonHeight, 56, accuracy: 0.1)
    XCTAssertEqual(AITheme.toolbarButtonHeight, 44, accuracy: 0.1)
    XCTAssertEqual(AITheme.segmentedControlHeight, 44, accuracy: 0.1)
    XCTAssertEqual(AITheme.buttonRadius, 16, accuracy: 0.1)
    XCTAssertEqual(AITheme.iconButtonSize, 44, accuracy: 0.1)
    XCTAssertEqual(AITheme.toolbarButtonMinWidth, 96, accuracy: 0.1)
    XCTAssertEqual(AITheme.toolbarButtonWidth, 104, accuracy: 0.1)
    XCTAssertEqual(AITheme.footerSecondaryButtonWidth, 104, accuracy: 0.1)
    XCTAssertEqual(AITheme.listActionButtonWidth, 84, accuracy: 0.1)
    XCTAssertEqual(AIButtonStyle.pressedScale, 0.97, accuracy: 0.01)
  }

  func testBottomActionsFillEqualWidths() {
    let primary = AIButtonStyle(kind: .primary, size: .regular, fillsWidth: true)
    let secondary = AIButtonStyle(kind: .secondary, size: .regular, fillsWidth: true)
    XCTAssertTrue(primary.fillsWidth)
    XCTAssertTrue(secondary.fillsWidth)
  }

  func testFixedWidthDrawsInsideTheButtonStyle() {
    let button = AIButtonStyle(
      kind: .danger,
      size: .compact,
      fixedWidth: AITheme.listActionButtonWidth
    )

    XCTAssertTrue(button.fillsWidth == false)
    XCTAssertEqual(AITheme.listActionButtonWidth, 84, accuracy: 0.1)
  }

  func testToolbarControlsUseUnifiedColorAndGeometry() {
    let expected: [(Color, Color, CGFloat, CGFloat)] = [
      (AITheme.control, AITheme.ink, AITheme.toolbarButtonWidth, AITheme.toolbarButtonHeight),
      (AITheme.primary, AITheme.onPrimary, AITheme.toolbarButtonWidth, AITheme.toolbarButtonHeight),
      (AITheme.danger, AITheme.onDanger, AITheme.toolbarButtonWidth, AITheme.toolbarButtonHeight),
    ]

    for (background, foreground, width, height) in expected {
      XCTAssertTrue(background == background)
      XCTAssertTrue(foreground == foreground)
      XCTAssertEqual(width, 104, accuracy: 0.1)
      XCTAssertEqual(height, 44, accuracy: 0.1)
    }
  }

  func testButtonKindsHaveDistinctBaseColors() {
    let colors = [
      AIButtonStyle.Kind.primary,
      .secondary,
      .danger,
    ].map(\.backgroundColor)
    XCTAssertEqual(Set(colors).count, 3)
  }

  func testSearchFieldExposesClearAction() throws {
    let mirror = Mirror(reflecting: AISearchField("搜索", text: .constant("待清理")))
    let text = try XCTUnwrap(
      mirror.children.first { $0.label == "_text" }?.value as? Binding<String>)
    XCTAssertEqual(text.wrappedValue, "待清理")
  }

  func testDisabledKindsUseReducedButVisibleRendering() {
    let disabledKinds = [
      AIButtonStyle.Kind.primary,
      .secondary,
      .danger,
    ]
    let disabledColors = disabledKinds.map { $0.backgroundColor(isEnabled: false) }

    XCTAssertEqual(Set(disabledColors), [AITheme.control])
    XCTAssertEqual(
      disabledKinds.map { $0.foregroundColor(isEnabled: false) },
      [
        AITheme.muted,
        AITheme.muted,
        AITheme.muted,
      ]
    )
  }
}