/**
 * useModernTerminal Hook Tests
 * Tests for the modern terminal features hook
 * Requirements: 12.1, 12.2, 12.3
 */

const useModernTerminal = require("../../../src/tui/hooks/useModernTerminal.js");

// Mock the modern terminal utilities
jest.mock("../../../src/tui/utils/modernTerminal.js", () => ({
	TerminalCapabilities: {
		supportsTrueColor: jest.fn(() => true),
		supportsEnhancedUnicode: jest.fn(() => true),
		supportsMouseInteraction: jest.fn(() => true),
		getTerminalInfo: jest.fn(() => ({
			width: 80,
			height: 24,
			colorDepth: 24,
			supportsUnicode: true,
			supportsMouse: true,
			platform: "win32",
			termProgram: "Windows Terminal",
			termType: "xterm-256color",
		})),
	},
	TrueColorUtils: {
		rgb: jest.fn((r, g, b) => `\x1b[38;2;${r};${g};${b}m`),
		rgbBg: jest.fn((r, g, b) => `\x1b[48;2;${r};${g};${b}m`),
		hex: jest.fn((hex) => `\x1b[38;2;255;0;0m`), // Mock red
		hexBg: jest.fn((hex) => `\x1b[48;2;255;0;0m`), // Mock red bg
		getInkColor: jest.fn((hex) => hex),
		reset: jest.fn(() => "\x1b[0m"),
	},
	UnicodeChars: {
		box: {
			horizontal: "─",
			vertical: "│",
			roundedTopLeft: "╭",
		},
		progress: {
			full: "█",
			empty: "░",
			spinner: ["⠋", "⠙", "⠹", "⠸"],
		},
		symbols: {
			checkMark: "✓",
			crossMark: "✗",
		},
		emoji: {
			gear: "⚙",
		},
		getChar: jest.fn((category, name, fallback) => {
			const chars = {
				box: { horizontal: "─", vertical: "│" },
				progress: { full: "█", empty: "░" },
				symbols: { checkMark: "✓", crossMark: "✗" },
			};
			return chars[category]?.[name] || fallback || "?";
		}),
	},
	MouseUtils: {
		enableMouse: jest.fn(() => true),
		disableMouse: jest.fn(() => true),
		parseMouseEvent: jest.fn((data) => ({
			button: 0,
			x: 10,
			y: 5,
			action: "press",
			type: "mouse",
		})),
		isWithinBounds: jest.fn((x, y, bounds) => true),
	},
	FeatureDetection: {
		getAvailableFeatures: jest.fn(() => ({
			trueColor: true,
			enhancedUnicode: true,
			mouseInteraction: true,
			terminalInfo: {
				width: 80,
				height: 24,
				colorDepth: 24,
			},
		})),
		getOptimalConfig: jest.fn(() => ({
			colors: {
				useTrue: true,
				palette: "extended",
			},
			characters: {
				useUnicode: true,
				boxStyle: "rounded",
				progressStyle: "blocks",
			},
			interaction: {
				enableMouse: true,
				mouseTracking: "full",
			},
			performance: {
				animationLevel: "full",
				updateFrequency: "high",
			},
		})),
		testCapabilities: jest.fn(() => ({
			trueColor: true,
			unicode: true,
			mouse: true,
			errors: [],
		})),
	},
}));

const {
	TerminalCapabilities,
	TrueColorUtils,
	UnicodeChars,
	MouseUtils,
	FeatureDetection,
} = require("../../../src/tui/utils/modernTerminal.js");

describe("useModernTerminal Hook", () => {
	beforeEach(() => {
		jest.clearAllMocks();
	});

	describe("Hook Structure", () => {
		test("should provide all expected utilities", () => {
			expect(typeof useModernTerminal).toBe("function");
		});

		test("should integrate with modern terminal utilities", () => {
			// Test that all the utilities are available and working
			expect(TerminalCapabilities.supportsTrueColor).toBeDefined();
			expect(TrueColorUtils.rgb).toBeDefined();
			expect(UnicodeChars.getChar).toBeDefined();
			expect(MouseUtils.enableMouse).toBeDefined();
			expect(FeatureDetection.getAvailableFeatures).toBeDefined();
		});
	});

	describe("True Color Utilities", () => {
		test("should provide RGB color functions", () => {
			const result = TrueColorUtils.rgb(255, 128, 64);
			expect(TrueColorUtils.rgb).toHaveBeenCalledWith(255, 128, 64);
			expect(result).toBe("\x1b[38;2;255;128;64m");
		});

		test("should provide RGB background color functions", () => {
			const result = TrueColorUtils.rgbBg(255, 128, 64);
			expect(TrueColorUtils.rgbBg).toHaveBeenCalledWith(255, 128, 64);
			expect(result).toBe("\x1b[48;2;255;128;64m");
		});

		test("should provide hex color functions", () => {
			const result = TrueColorUtils.hex("#FF0000");
			expect(TrueColorUtils.hex).toHaveBeenCalledWith("#FF0000");
			expect(result).toBe("\x1b[38;2;255;0;0m");
		});

		test("should provide hex background color functions", () => {
			const result = TrueColorUtils.hexBg("#FF0000");
			expect(TrueColorUtils.hexBg).toHaveBeenCalledWith("#FF0000");
			expect(result).toBe("\x1b[48;2;255;0;0m");
		});

		test("should provide Ink-compatible colors", () => {
			const result = TrueColorUtils.getInkColor("#FF0000");
			expect(TrueColorUtils.getInkColor).toHaveBeenCalledWith("#FF0000");
			expect(result).toBe("#FF0000");
		});

		test("should check true color support", () => {
			const result = TerminalCapabilities.supportsTrueColor();
			expect(TerminalCapabilities.supportsTrueColor).toHaveBeenCalled();
			expect(result).toBe(true);
		});
	});

	describe("Unicode Character Utilities", () => {
		test("should provide character retrieval with fallbacks", () => {
			const result = UnicodeChars.getChar("box", "horizontal", "-");
			expect(UnicodeChars.getChar).toHaveBeenCalledWith(
				"box",
				"horizontal",
				"-"
			);
			expect(result).toBe("─");
		});

		test("should provide box drawing characters", () => {
			expect(UnicodeChars.box.horizontal).toBe("─");
			expect(UnicodeChars.box.vertical).toBe("│");
			expect(UnicodeChars.box.roundedTopLeft).toBe("╭");
		});

		test("should provide progress characters", () => {
			expect(UnicodeChars.progress.full).toBe("█");
			expect(UnicodeChars.progress.empty).toBe("░");
			expect(UnicodeChars.progress.spinner).toEqual(["⠋", "⠙", "⠹", "⠸"]);
		});

		test("should provide symbol characters", () => {
			expect(UnicodeChars.symbols.checkMark).toBe("✓");
			expect(UnicodeChars.symbols.crossMark).toBe("✗");
		});

		test("should check enhanced Unicode support", () => {
			const result = TerminalCapabilities.supportsEnhancedUnicode();
			expect(TerminalCapabilities.supportsEnhancedUnicode).toHaveBeenCalled();
			expect(result).toBe(true);
		});
	});

	describe("Mouse Interaction Utilities", () => {
		test("should enable mouse tracking", () => {
			const result = MouseUtils.enableMouse();
			expect(MouseUtils.enableMouse).toHaveBeenCalled();
			expect(result).toBe(true);
		});

		test("should disable mouse tracking", () => {
			const result = MouseUtils.disableMouse();
			expect(MouseUtils.disableMouse).toHaveBeenCalled();
			expect(result).toBe(true);
		});

		test("should parse mouse events", () => {
			const result = MouseUtils.parseMouseEvent("test data");
			expect(MouseUtils.parseMouseEvent).toHaveBeenCalledWith("test data");
			expect(result).toEqual({
				button: 0,
				x: 10,
				y: 5,
				action: "press",
				type: "mouse",
			});
		});

		test("should check bounds", () => {
			const bounds = { x: 0, y: 0, width: 20, height: 10 };
			const result = MouseUtils.isWithinBounds(10, 5, bounds);
			expect(MouseUtils.isWithinBounds).toHaveBeenCalledWith(10, 5, bounds);
			expect(result).toBe(true);
		});

		test("should check mouse interaction support", () => {
			const result = TerminalCapabilities.supportsMouseInteraction();
			expect(TerminalCapabilities.supportsMouseInteraction).toHaveBeenCalled();
			expect(result).toBe(true);
		});
	});

	describe("Feature Detection Utilities", () => {
		test("should get available features", () => {
			const result = FeatureDetection.getAvailableFeatures();
			expect(FeatureDetection.getAvailableFeatures).toHaveBeenCalled();
			expect(result).toEqual({
				trueColor: true,
				enhancedUnicode: true,
				mouseInteraction: true,
				terminalInfo: {
					width: 80,
					height: 24,
					colorDepth: 24,
				},
			});
		});

		test("should get optimal configuration", () => {
			const result = FeatureDetection.getOptimalConfig();
			expect(FeatureDetection.getOptimalConfig).toHaveBeenCalled();
			expect(result).toEqual({
				colors: {
					useTrue: true,
					palette: "extended",
				},
				characters: {
					useUnicode: true,
					boxStyle: "rounded",
					progressStyle: "blocks",
				},
				interaction: {
					enableMouse: true,
					mouseTracking: "full",
				},
				performance: {
					animationLevel: "full",
					updateFrequency: "high",
				},
			});
		});

		test("should test capabilities", () => {
			const result = FeatureDetection.testCapabilities();
			expect(FeatureDetection.testCapabilities).toHaveBeenCalled();
			expect(result).toEqual({
				trueColor: true,
				unicode: true,
				mouse: true,
				errors: [],
			});
		});
	});

	describe("Terminal Information", () => {
		test("should get terminal information", () => {
			const result = TerminalCapabilities.getTerminalInfo();
			expect(TerminalCapabilities.getTerminalInfo).toHaveBeenCalled();
			expect(result).toEqual({
				width: 80,
				height: 24,
				colorDepth: 24,
				supportsUnicode: true,
				supportsMouse: true,
				platform: "win32",
				termProgram: "Windows Terminal",
				termType: "xterm-256color",
			});
		});
	});

	describe("Utility Functions", () => {
		test("should provide progress bar creation", () => {
			// Test that the utilities are available for creating progress bars
			expect(UnicodeChars.getChar("progress", "full", "#")).toBe("█");
			expect(UnicodeChars.getChar("progress", "empty", "-")).toBe("░");
		});

		test("should provide spinner creation", () => {
			// Test that spinner characters are available
			expect(UnicodeChars.progress.spinner).toEqual(["⠋", "⠙", "⠹", "⠸"]);
		});

		test("should provide status indicator creation", () => {
			// Test that status characters are available
			expect(UnicodeChars.getChar("symbols", "checkMark", "✓")).toBe("✓");
			expect(UnicodeChars.getChar("symbols", "crossMark", "✗")).toBe("✗");
		});

		test("should provide box creation", () => {
			// Test that box characters are available
			expect(UnicodeChars.box.horizontal).toBe("─");
			expect(UnicodeChars.box.vertical).toBe("│");
			expect(UnicodeChars.box.roundedTopLeft).toBe("╭");
		});
	});

	describe("Capability Integration", () => {
		test("should handle different capability combinations", () => {
			// Test with all features enabled
			TerminalCapabilities.supportsTrueColor.mockReturnValue(true);
			TerminalCapabilities.supportsEnhancedUnicode.mockReturnValue(true);
			TerminalCapabilities.supportsMouseInteraction.mockReturnValue(true);

			expect(TerminalCapabilities.supportsTrueColor()).toBe(true);
			expect(TerminalCapabilities.supportsEnhancedUnicode()).toBe(true);
			expect(TerminalCapabilities.supportsMouseInteraction()).toBe(true);

			// Test with features disabled
			TerminalCapabilities.supportsTrueColor.mockReturnValue(false);
			TerminalCapabilities.supportsEnhancedUnicode.mockReturnValue(false);
			TerminalCapabilities.supportsMouseInteraction.mockReturnValue(false);

			expect(TerminalCapabilities.supportsTrueColor()).toBe(false);
			expect(TerminalCapabilities.supportsEnhancedUnicode()).toBe(false);
			expect(TerminalCapabilities.supportsMouseInteraction()).toBe(false);
		});

		test("should provide graceful degradation", () => {
			// Test that fallback characters are provided
			UnicodeChars.getChar.mockImplementation((category, name, fallback) => {
				// Simulate no Unicode support
				return fallback || "?";
			});

			expect(UnicodeChars.getChar("box", "horizontal", "-")).toBe("-");
			expect(UnicodeChars.getChar("progress", "full", "#")).toBe("#");
			expect(UnicodeChars.getChar("symbols", "checkMark", "v")).toBe("v");
		});
	});

	describe("Error Handling", () => {
		test("should handle capability detection errors", () => {
			const testResults = FeatureDetection.testCapabilities();
			expect(testResults.errors).toEqual([]);
		});

		test("should handle mouse interaction failures", () => {
			MouseUtils.enableMouse.mockReturnValue(false);
			MouseUtils.disableMouse.mockReturnValue(false);

			expect(MouseUtils.enableMouse()).toBe(false);
			expect(MouseUtils.disableMouse()).toBe(false);
		});

		test("should handle invalid mouse events", () => {
			MouseUtils.parseMouseEvent.mockReturnValue(null);

			const result = MouseUtils.parseMouseEvent("invalid data");
			expect(result).toBeNull();
		});
	});
});