/**
 * Unit tests for HelpOverlay component
 * Tests help system functionality and context-sensitive help display
 * Requirements: 9.2, 9.5
 */

describe("HelpOverlay Component", () => {
	test("should have HelpOverlay component available", () => {
		const HelpOverlay = require("../../../src/tui/components/common/HelpOverlay.jsx");
		expect(typeof HelpOverlay).toBe("function");
	});

	test("should import required dependencies", () => {
		const fs = require("fs");
		const path = require("path");
		const helpOverlayPath = path.join(
			__dirname,
			"../../../src/tui/components/common/HelpOverlay.jsx"
		);
		const helpOverlayContent = fs.readFileSync(helpOverlayPath, "utf8");

		// Verify required imports
		expect(helpOverlayContent).toContain('require("react")');
		expect(helpOverlayContent).toContain('require("ink")');
		expect(helpOverlayContent).toContain('require("../../hooks/useHelp.js")');
	});

	test("should use useHelp hook", () => {
		const fs = require("fs");
		const path = require("path");
		const helpOverlayPath = path.join(
			__dirname,
			"../../../src/tui/components/common/HelpOverlay.jsx"
		);
		const helpOverlayContent = fs.readFileSync(helpOverlayPath, "utf8");

		expect(helpOverlayContent).toContain("useHelp()");
		expect(helpOverlayContent).toContain("getHelpTitle");
		expect(helpOverlayContent).toContain("getHelpDescription");
		expect(helpOverlayContent).toContain("getAllShortcuts");
	});

	test("should handle keyboard input for closing", () => {
		const fs = require("fs");
		const path = require("path");
		const helpOverlayPath = path.join(
			__dirname,
			"../../../src/tui/components/common/HelpOverlay.jsx"
		);
		const helpOverlayContent = fs.readFileSync(helpOverlayPath, "utf8");

		expect(helpOverlayContent).toContain("useInput");
		expect(helpOverlayContent).toContain("key.escape");
		expect(helpOverlayContent).toContain('input === "h"');
		expect(helpOverlayContent).toContain('input === "H"');
		expect(helpOverlayContent).toContain('input === "q"');
		expect(helpOverlayContent).toContain("onClose()");
	});

	test("should render help content structure", () => {
		const fs = require("fs");
		const path = require("path");
		const helpOverlayPath = path.join(
			__dirname,
			"../../../src/tui/components/common/HelpOverlay.jsx"
		);
		const helpOverlayContent = fs.readFileSync(helpOverlayPath, "utf8");

		// Verify help overlay structure
		expect(helpOverlayContent).toContain('position: "absolute"');
		expect(helpOverlayContent).toContain('backgroundColor: "black"');
		expect(helpOverlayContent).toContain('borderStyle: "double"');
		expect(helpOverlayContent).toContain('borderColor: "cyan"');
		expect(helpOverlayContent).toContain("📖");
		expect(helpOverlayContent).toContain("Keyboard Shortcuts:");
		expect(helpOverlayContent).toContain("💡 Tips:");
	});

	test("should display shortcuts dynamically", () => {
		const fs = require("fs");
		const path = require("path");
		const helpOverlayPath = path.join(
			__dirname,
			"../../../src/tui/components/common/HelpOverlay.jsx"
		);
		const helpOverlayContent = fs.readFileSync(helpOverlayPath, "utf8");

		expect(helpOverlayContent).toContain("shortcuts.map");
		expect(helpOverlayContent).toContain("shortcut.key");
		expect(helpOverlayContent).toContain("shortcut.description");
	});

	test("should return null when not visible", () => {
		const fs = require("fs");
		const path = require("path");
		const helpOverlayPath = path.join(
			__dirname,
			"../../../src/tui/components/common/HelpOverlay.jsx"
		);
		const helpOverlayContent = fs.readFileSync(helpOverlayPath, "utf8");

		expect(helpOverlayContent).toContain("if (!isVisible)");
		expect(helpOverlayContent).toContain("return null");
	});

	test("should include helpful tips", () => {
		const fs = require("fs");
		const path = require("path");
		const helpOverlayPath = path.join(
			__dirname,
			"../../../src/tui/components/common/HelpOverlay.jsx"
		);
		const helpOverlayContent = fs.readFileSync(helpOverlayPath, "utf8");

		expect(helpOverlayContent).toContain(
			"Use Tab to navigate between form fields"
		);
		expect(helpOverlayContent).toContain(
			"Press 'h' on any screen to get context-specific help"
		);
		expect(helpOverlayContent).toContain(
			"Use Esc to go back or cancel operations"
		);
		expect(helpOverlayContent).toContain(
			"Configuration must be complete before running operations"
		);
	});
});

describe("HelpOverlay Integration", () => {
	test("should be integrated into TuiApplication", () => {
		const fs = require("fs");
		const path = require("path");
		const tuiAppPath = path.join(
			__dirname,
			"../../../src/tui/TuiApplication.jsx"
		);
		const tuiAppContent = fs.readFileSync(tuiAppPath, "utf8");

		expect(tuiAppContent).toContain("HelpOverlay");
		expect(tuiAppContent).toContain("isVisible={appState.uiState.helpVisible}");
		expect(tuiAppContent).toContain("onClose={hideHelp}");
		expect(tuiAppContent).toContain("currentScreen={appState.currentScreen}");
	});

	test("should have help state in AppProvider", () => {
		const fs = require("fs");
		const path = require("path");
		const appProviderPath = path.join(
			__dirname,
			"../../../src/tui/providers/AppProvider.jsx"
		);
		const appProviderContent = fs.readFileSync(appProviderPath, "utf8");

		expect(appProviderContent).toContain("helpVisible: false");
		expect(appProviderContent).toContain("toggleHelp");
		expect(appProviderContent).toContain("showHelp");
		expect(appProviderContent).toContain("hideHelp");
	});
});