/**
 * Windows Integration Tests
 * Tests complete TUI workflows on Windows systems
 */

import { render } from "ink-testing-library";
import React from "react";
import { TuiApplication } from "../../../src/tui/TuiApplication.jsx";
import { MainMenuScreen } from "../../../src/tui/components/screens/MainMenuScreen.jsx";
import { ConfigurationScreen } from "../../../src/tui/components/screens/ConfigurationScreen.jsx";
import { AppProvider } from "../../../src/tui/providers/AppProvider.jsx";

// Mock Windows environment
const mockWindowsEnvironment = () => {
	Object.defineProperty(process, "platform", {
		value: "win32",
		writable: true,
	});

	process.env = {
		...process.env,
		OS: "Windows_NT",
		USERPROFILE: "C:\\Users\\TestUser",
		APPDATA: "C:\\Users\\TestUser\\AppData\\Roaming",
		LOCALAPPDATA: "C:\\Users\\TestUser\\AppData\\Local",
	};
};

describe("Windows Integration Tests", () => {
	beforeEach(() => {
		mockWindowsEnvironment();
	});

	describe("Application Startup", () => {
		test("should start TUI application on Windows", async () => {
			const { lastFrame, unmount } = render(
				<AppProvider>
					<TuiApplication />
				</AppProvider>
			);

			// Wait for initial render
			await new Promise((resolve) => setTimeout(resolve, 100));

			const output = lastFrame();
			expect(output).toContain("Price Update Operations");

			unmount();
		});

		test("should handle Windows Terminal capabilities detection", async () => {
			// Mock Windows Terminal
			process.env.WT_SESSION = "test-session";
			process.env.COLORTERM = "truecolor";

			const { lastFrame, unmount } = render(
				<AppProvider>
					<MainMenuScreen />
				</AppProvider>
			);

			await new Promise((resolve) => setTimeout(resolve, 100));

			const output = lastFrame();
			// Should render with enhanced features in Windows Terminal
			expect(output).toBeTruthy();

			unmount();
		});

		test("should handle Command Prompt limitations", async () => {
			// Mock Command Prompt
			delete process.env.WT_SESSION;
			delete process.env.COLORTERM;
			process.env.COMSPEC = "C:\\Windows\\system32\\cmd.exe";

			const { lastFrame, unmount } = render(
				<AppProvider>
					<MainMenuScreen />
				</AppProvider>
			);

			await new Promise((resolve) => setTimeout(resolve, 100));

			const output = lastFrame();
			// Should render with fallback characters
			expect(output).toBeTruthy();

			unmount();
		});
	});

	describe("Navigation Flow", () => {
		test("should navigate between screens on Windows", async () => {
			const { lastFrame, stdin, unmount } = render(
				<AppProvider>
					<TuiApplication />
				</AppProvider>
			);

			// Wait for initial render
			await new Promise((resolve) => setTimeout(resolve, 100));

			// Navigate to configuration
			stdin.write("c");
			await new Promise((resolve) => setTimeout(resolve, 100));

			const output = lastFrame();
			expect(output).toContain("Configuration") ||
				expect(output).toContain("Settings");

			unmount();
		});

		test("should handle Windows keyboard shortcuts", async () => {
			const { lastFrame, stdin, unmount } = render(
				<AppProvider>
					<MainMenuScreen />
				</AppProvider>
			);

			await new Promise((resolve) => setTimeout(resolve, 100));

			// Test Escape key (common Windows pattern)
			stdin.write("\x1b"); // ESC
			await new Promise((resolve) => setTimeout(resolve, 50));

			// Test Enter key
			stdin.write("\r"); // Windows line ending
			await new Promise((resolve) => setTimeout(resolve, 50));

			expect(lastFrame()).toBeTruthy();

			unmount();
		});
	});

	describe("Configuration Management", () => {
		test("should handle Windows file paths in configuration", async () => {
			const { lastFrame, unmount } = render(
				<AppProvider>
					<ConfigurationScreen />
				</AppProvider>
			);

			await new Promise((resolve) => setTimeout(resolve, 100));

			const output = lastFrame();
			expect(output).toBeTruthy();

			unmount();
		});

		test("should validate Windows environment variables", () => {
			const windowsEnvVars = {
				SHOPIFY_SHOP_DOMAIN: "test-shop.myshopify.com",
				SHOPIFY_ACCESS_TOKEN: "shpat_test123",
				TARGET_TAG: "sale",
				PRICE_ADJUSTMENT_PERCENTAGE: "10",
				OPERATION_MODE: "update",
			};

			Object.entries(windowsEnvVars).forEach(([key, value]) => {
				expect(typeof value).toBe("string");
				expect(value.length).toBeGreaterThan(0);
			});
		});
	});

	describe("Error Handling", () => {
		test("should display Windows-friendly error messages", async () => {
			// Mock an error condition
			const ErrorComponent = () => {
				throw new Error("Test Windows error");
			};

			const { lastFrame, unmount } = render(
				<AppProvider>
					<ErrorComponent />
				</AppProvider>
			);

			await new Promise((resolve) => setTimeout(resolve, 100));

			// Should handle error gracefully
			expect(() => lastFrame()).not.toThrow();

			unmount();
		});

		test("should handle Windows file system errors", () => {
			const windowsError = new Error(
				"ENOENT: no such file or directory, open 'C:\\nonexistent\\file.txt'"
			);

			expect(windowsError.message).toContain("ENOENT");
			expect(windowsError.message).toContain("C:\\");
		});
	});

	describe("Performance on Windows", () => {
		test("should render efficiently on Windows systems", async () => {
			const startTime = Date.now();

			const { lastFrame, unmount } = render(
				<AppProvider>
					<TuiApplication />
				</AppProvider>
			);

			await new Promise((resolve) => setTimeout(resolve, 100));

			const renderTime = Date.now() - startTime;
			expect(renderTime).toBeLessThan(1000); // Should render within 1 second

			unmount();
		});

		test("should handle Windows terminal refresh rates", async () => {
			let renderCount = 0;

			const TestComponent = () => {
				React.useEffect(() => {
					renderCount++;
				});

				return <div>Render count: {renderCount}</div>;
			};

			const { unmount } = render(<TestComponent />);

			await new Promise((resolve) => setTimeout(resolve, 100));

			expect(renderCount).toBeGreaterThan(0);

			unmount();
		});
	});

	describe("Memory Management on Windows", () => {
		test("should clean up resources properly on Windows", async () => {
			const { unmount } = render(
				<AppProvider>
					<TuiApplication />
				</AppProvider>
			);

			await new Promise((resolve) => setTimeout(resolve, 100));

			// Unmount should not throw errors
			expect(() => unmount()).not.toThrow();
		});

		test("should handle Windows process cleanup", () => {
			const cleanup = jest.fn();

			// Mock Windows process cleanup
			process.on("SIGINT", cleanup);
			process.on("SIGTERM", cleanup);

			// Windows uses different signals
			if (process.platform === "win32") {
				process.on("SIGBREAK", cleanup);
			}

			expect(cleanup).toBeDefined();
		});
	});
});