/**
 * Integration tests for responsive layout functionality
 * Tests different screen size scenarios and component behavior
 * Requirements: 10.2, 10.3, 10.4
 */

const {
	getResponsiveDimensions,
	getColumnLayout,
	getScrollableDimensions,
	getTextTruncationLength,
	getResponsiveSpacing,
	shouldHideOnSmallScreen,
	getAdaptiveFontStyle,
} = require("../../../src/tui/utils/responsiveLayout.js");

describe("Responsive Layout Integration", () => {
	// Test scenarios for different screen sizes
	const screenSizes = {
		small: {
			width: 80,
			height: 20,
			layoutConfig: {
				isSmall: true,
				isMedium: false,
				isLarge: false,
				maxContentWidth: 76,
				maxContentHeight: 16,
				columnsCount: 1,
				showSidebar: false,
			},
		},
		medium: {
			width: 120,
			height: 30,
			layoutConfig: {
				isSmall: false,
				isMedium: true,
				isLarge: false,
				maxContentWidth: 116,
				maxContentHeight: 26,
				columnsCount: 2,
				showSidebar: true,
			},
		},
		large: {
			width: 160,
			height: 40,
			layoutConfig: {
				isSmall: false,
				isMedium: false,
				isLarge: true,
				maxContentWidth: 120, // Limited to max 120
				maxContentHeight: 36,
				columnsCount: 3,
				showSidebar: true,
			},
		},
	};

	describe("Small Screen Behavior", () => {
		const { layoutConfig } = screenSizes.small;

		test("should provide appropriate dimensions for small screens", () => {
			const menuDimensions = getResponsiveDimensions(layoutConfig, "menu");
			const formDimensions = getResponsiveDimensions(layoutConfig, "form");

			expect(menuDimensions.width).toBe(76);
			expect(menuDimensions.height).toBe(12); // 16 * 0.8 = 12.8, floored to 12
			expect(formDimensions.width).toBe(76);
		});

		test("should use single column layout", () => {
			const columnLayout = getColumnLayout(layoutConfig, 10);

			expect(columnLayout.columns).toBe(1);
			expect(columnLayout.rows).toBe(10);
		});

		test("should hide secondary components", () => {
			expect(shouldHideOnSmallScreen(layoutConfig, "sidebar")).toBe(true);
			expect(shouldHideOnSmallScreen(layoutConfig, "secondary-info")).toBe(
				true
			);
			expect(shouldHideOnSmallScreen(layoutConfig, "main-content")).toBe(false);
		});

		test("should use compact spacing", () => {
			const spacing = getResponsiveSpacing(layoutConfig);

			expect(spacing.padding).toBe(1);
			expect(spacing.margin).toBe(0);
			expect(spacing.gap).toBe(0);
		});

		test("should truncate text appropriately", () => {
			const truncationLength = getTextTruncationLength(layoutConfig, 50);

			expect(truncationLength).toBe(40); // Math.max(20, 50 - 10)
		});

		test("should use adaptive font styles", () => {
			const titleStyle = getAdaptiveFontStyle(layoutConfig, "title");
			const subtitleStyle = getAdaptiveFontStyle(layoutConfig, "subtitle");

			expect(titleStyle.color).toBe("white"); // Different from large screens
			expect(subtitleStyle.bold).toBe(false); // Different from large screens
		});
	});

	describe("Medium Screen Behavior", () => {
		const { layoutConfig } = screenSizes.medium;

		test("should provide appropriate dimensions for medium screens", () => {
			const menuDimensions = getResponsiveDimensions(layoutConfig, "menu");

			expect(menuDimensions.width).toBe(81); // Math.floor(116 * 0.7)
			expect(menuDimensions.height).toBe(24); // 26 - 2
		});

		test("should use two column layout", () => {
			const columnLayout = getColumnLayout(layoutConfig, 10);

			expect(columnLayout.columns).toBe(2);
			expect(columnLayout.rows).toBe(5); // Math.ceil(10 / 2)
		});

		test("should show sidebar components", () => {
			expect(shouldHideOnSmallScreen(layoutConfig, "sidebar")).toBe(false);
			expect(shouldHideOnSmallScreen(layoutConfig, "secondary-info")).toBe(
				false
			);
		});

		test("should use normal spacing", () => {
			const spacing = getResponsiveSpacing(layoutConfig);

			expect(spacing.padding).toBe(2);
			expect(spacing.margin).toBe(1);
			expect(spacing.gap).toBe(1);
		});
	});

	describe("Large Screen Behavior", () => {
		const { layoutConfig } = screenSizes.large;

		test("should provide appropriate dimensions for large screens", () => {
			const menuDimensions = getResponsiveDimensions(layoutConfig, "menu");

			expect(menuDimensions.width).toBe(72); // Math.floor(120 * 0.6)
			expect(menuDimensions.height).toBe(34); // 36 - 2
		});

		test("should use three column layout", () => {
			const columnLayout = getColumnLayout(layoutConfig, 10);

			expect(columnLayout.columns).toBe(3);
			expect(columnLayout.rows).toBe(4); // Math.ceil(10 / 3)
		});

		test("should show all components", () => {
			expect(shouldHideOnSmallScreen(layoutConfig, "sidebar")).toBe(false);
			expect(shouldHideOnSmallScreen(layoutConfig, "secondary-info")).toBe(
				false
			);
			expect(shouldHideOnSmallScreen(layoutConfig, "decorative-elements")).toBe(
				false
			);
		});

		test("should use enhanced font styles", () => {
			const titleStyle = getAdaptiveFontStyle(layoutConfig, "title");
			const subtitleStyle = getAdaptiveFontStyle(layoutConfig, "subtitle");

			expect(titleStyle.color).toBe("blue");
			expect(subtitleStyle.bold).toBe(true);
		});
	});

	describe("Scrollable Content Behavior", () => {
		test("should calculate scrolling needs correctly for different screen sizes", () => {
			const totalItems = 50;
			const itemHeight = 2;

			// Small screen
			const smallScrollDimensions = getScrollableDimensions(
				screenSizes.small.layoutConfig,
				totalItems,
				itemHeight
			);
			expect(smallScrollDimensions.visibleItems).toBe(6); // Math.floor((16 - 4) / 2)
			expect(smallScrollDimensions.needsScrolling).toBe(true);

			// Large screen
			const largeScrollDimensions = getScrollableDimensions(
				screenSizes.large.layoutConfig,
				totalItems,
				itemHeight
			);
			expect(largeScrollDimensions.visibleItems).toBe(16); // Math.floor((36 - 4) / 2)
			expect(largeScrollDimensions.needsScrolling).toBe(true);
		});

		test("should handle cases where scrolling is not needed", () => {
			const totalItems = 5;
			const itemHeight = 1;

			const scrollDimensions = getScrollableDimensions(
				screenSizes.large.layoutConfig,
				totalItems,
				itemHeight
			);
			expect(scrollDimensions.needsScrolling).toBe(false);
		});
	});

	describe("Text Truncation Behavior", () => {
		test("should provide different truncation lengths for different screen sizes", () => {
			const containerWidth = 60;

			const smallTruncation = getTextTruncationLength(
				screenSizes.small.layoutConfig,
				containerWidth
			);
			const mediumTruncation = getTextTruncationLength(
				screenSizes.medium.layoutConfig,
				containerWidth
			);
			const largeTruncation = getTextTruncationLength(
				screenSizes.large.layoutConfig,
				containerWidth
			);

			expect(smallTruncation).toBe(50); // Math.max(20, 60 - 10)
			expect(mediumTruncation).toBe(52); // Math.max(40, 60 - 8)
			expect(largeTruncation).toBe(60); // Math.max(60, 60 - 6)
		});

		test("should enforce minimum truncation lengths", () => {
			const smallContainerWidth = 5;

			const smallTruncation = getTextTruncationLength(
				screenSizes.small.layoutConfig,
				smallContainerWidth
			);
			const mediumTruncation = getTextTruncationLength(
				screenSizes.medium.layoutConfig,
				smallContainerWidth
			);
			const largeTruncation = getTextTruncationLength(
				screenSizes.large.layoutConfig,
				smallContainerWidth
			);

			expect(smallTruncation).toBe(20); // Minimum enforced
			expect(mediumTruncation).toBe(40); // Minimum enforced
			expect(largeTruncation).toBe(60); // Minimum enforced
		});
	});

	describe("Component Visibility Rules", () => {
		test("should hide appropriate components on small screens", () => {
			const componentsToHide = [
				"sidebar",
				"secondary-info",
				"decorative-elements",
			];
			const componentsToShow = [
				"main-content",
				"primary-navigation",
				"essential-info",
			];

			componentsToHide.forEach((component) => {
				expect(
					shouldHideOnSmallScreen(screenSizes.small.layoutConfig, component)
				).toBe(true);
			});

			componentsToShow.forEach((component) => {
				expect(
					shouldHideOnSmallScreen(screenSizes.small.layoutConfig, component)
				).toBe(false);
			});
		});

		test("should show all components on large screens", () => {
			const allComponents = [
				"sidebar",
				"secondary-info",
				"decorative-elements",
				"main-content",
			];

			allComponents.forEach((component) => {
				expect(
					shouldHideOnSmallScreen(screenSizes.large.layoutConfig, component)
				).toBe(false);
			});
		});
	});
});