import SwiftUI
import XCTest

@testable import MultiSimAdmin

final class AIThemeTests: XCTestCase {
    func testControlDimensionsMatchIOS() {
        XCTAssertEqual(AITheme.buttonHeight, 44, accuracy: 0.1)
        XCTAssertEqual(AITheme.compactButtonHeight, 40, accuracy: 0.1)
        XCTAssertEqual(AITheme.largeButtonHeight, 50, accuracy: 0.1)
        XCTAssertEqual(AITheme.toolbarButtonHeight, 38, accuracy: 0.1)
        XCTAssertEqual(AITheme.buttonRadius, 12, accuracy: 0.1)
        XCTAssertEqual(AITheme.iconButtonSize, 44, accuracy: 0.1)
        XCTAssertEqual(AITheme.toolbarButtonMinWidth, 88, accuracy: 0.1)
        XCTAssertEqual(AITheme.toolbarButtonWidth, 100, accuracy: 0.1)
        XCTAssertEqual(AITheme.footerSecondaryButtonWidth, 100, accuracy: 0.1)
        XCTAssertEqual(AITheme.listActionButtonWidth, 72, 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, 72, accuracy: 0.1)
    }

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

        for (background, foreground, width, height) in expected {
            XCTAssertTrue(background == background)
            XCTAssertTrue(foreground == foreground)
            XCTAssertEqual(width, 100, accuracy: 0.1)
            XCTAssertEqual(height, 38, 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).count, disabledKinds.count)
        XCTAssertEqual(
            disabledKinds.map { $0.foregroundColor(isEnabled: false) },
            [
                .white.opacity(0.72),
                AITheme.muted,
                .white.opacity(0.72)
            ]
        )
    }
}