const React = require("react");
const MainMenuScreen = require("../../../../src/tui/components/screens/MainMenuScreen.jsx");

// Mock the hooks
jest.mock("../../../../src/tui/providers/AppProvider.jsx");

const {
	useAppState,
} = require("../../../../src/tui/providers/AppProvider.jsx");

describe("MainMenuScreen Component", () => {
	let mockNavigateTo;
	let mockUpdateUIState;

	beforeEach(() => {
		jest.clearAllMocks();

		// Set up mock functions
		mockNavigateTo = jest.fn();
		mockUpdateUIState = jest.fn();

		// Set up default mock returns
		useAppState.mockReturnValue({
			appState: {
				uiState: {
					selectedMenuIndex: 0,
				},
				configuration: {
					isValid: false,
					operationMode: "update",
				},
			},
			navigateTo: mockNavigateTo,
			updateUIState: mockUpdateUIState,
		});
	});

	describe("Component Creation", () => {
		test("component can be created", () => {
			const component = React.createElement(MainMenuScreen);
			expect(component).toBeDefined();
			expect(component.type).toBe(MainMenuScreen);
		});

		test("component type is correct", () => {
			expect(typeof MainMenuScreen).toBe("function");
		});

		test("component can be created with different configuration states", () => {
			const configStates = [
				{ isValid: false, operationMode: "update" },
				{ isValid: true, operationMode: "update" },
				{ isValid: false, operationMode: "rollback" },
				{ isValid: true, operationMode: "rollback" },
			];

			configStates.forEach((config) => {
				useAppState.mockReturnValue({
					appState: {
						uiState: { selectedMenuIndex: 0 },
						configuration: config,
					},
					navigateTo: mockNavigateTo,
					updateUIState: mockUpdateUIState,
				});

				const component = React.createElement(MainMenuScreen);
				expect(component).toBeDefined();
				expect(component.type).toBe(MainMenuScreen);
			});
		});
	});

	describe("Menu Structure", () => {
		test("component handles different selected menu indices", () => {
			const menuIndices = [0, 1, 2, 3, 4, 5];

			menuIndices.forEach((index) => {
				useAppState.mockReturnValue({
					appState: {
						uiState: { selectedMenuIndex: index },
						configuration: { isValid: false, operationMode: "update" },
					},
					navigateTo: mockNavigateTo,
					updateUIState: mockUpdateUIState,
				});

				const component = React.createElement(MainMenuScreen);
				expect(component).toBeDefined();
			});
		});

		test("component handles edge case menu indices", () => {
			const edgeCases = [-1, 10, 100];

			edgeCases.forEach((index) => {
				useAppState.mockReturnValue({
					appState: {
						uiState: { selectedMenuIndex: index },
						configuration: { isValid: false, operationMode: "update" },
					},
					navigateTo: mockNavigateTo,
					updateUIState: mockUpdateUIState,
				});

				const component = React.createElement(MainMenuScreen);
				expect(component).toBeDefined();
			});
		});
	});

	describe("Configuration State Handling", () => {
		test("handles valid configuration state", () => {
			useAppState.mockReturnValue({
				appState: {
					uiState: { selectedMenuIndex: 0 },
					configuration: {
						isValid: true,
						operationMode: "update",
						shopDomain: "test-shop.myshopify.com",
						accessToken: "test-token",
						targetTag: "sale",
						priceAdjustment: 10,
					},
				},
				navigateTo: mockNavigateTo,
				updateUIState: mockUpdateUIState,
			});

			const component = React.createElement(MainMenuScreen);
			expect(component).toBeDefined();
		});

		test("handles invalid configuration state", () => {
			useAppState.mockReturnValue({
				appState: {
					uiState: { selectedMenuIndex: 0 },
					configuration: {
						isValid: false,
						operationMode: "update",
						shopDomain: "",
						accessToken: "",
						targetTag: "",
						priceAdjustment: 0,
					},
				},
				navigateTo: mockNavigateTo,
				updateUIState: mockUpdateUIState,
			});

			const component = React.createElement(MainMenuScreen);
			expect(component).toBeDefined();
		});

		test("handles different operation modes", () => {
			const operationModes = ["update", "rollback"];

			operationModes.forEach((mode) => {
				useAppState.mockReturnValue({
					appState: {
						uiState: { selectedMenuIndex: 0 },
						configuration: {
							isValid: true,
							operationMode: mode,
						},
					},
					navigateTo: mockNavigateTo,
					updateUIState: mockUpdateUIState,
				});

				const component = React.createElement(MainMenuScreen);
				expect(component).toBeDefined();
			});
		});

		test("handles missing configuration properties", () => {
			useAppState.mockReturnValue({
				appState: {
					uiState: { selectedMenuIndex: 0 },
					configuration: {
						// Missing isValid and operationMode
					},
				},
				navigateTo: mockNavigateTo,
				updateUIState: mockUpdateUIState,
			});

			const component = React.createElement(MainMenuScreen);
			expect(component).toBeDefined();
		});
	});

	describe("Navigation Integration", () => {
		test("integrates with navigation system", () => {
			const component = React.createElement(MainMenuScreen);
			expect(component).toBeDefined();

			// Verify that the component is structured to use navigation
			expect(component.type).toBe(MainMenuScreen);
		});

		test("component can be created with different navigation states", () => {
			const navigationStates = [
				{ navigateTo: jest.fn(), updateUIState: jest.fn() },
				{ navigateTo: null, updateUIState: jest.fn() },
				{ navigateTo: jest.fn(), updateUIState: null },
			];

			navigationStates.forEach((navState) => {
				useAppState.mockReturnValue({
					appState: {
						uiState: { selectedMenuIndex: 0 },
						configuration: { isValid: false, operationMode: "update" },
					},
					...navState,
				});

				const component = React.createElement(MainMenuScreen);
				expect(component).toBeDefined();
			});
		});
	});

	describe("UI State Management", () => {
		test("handles different UI states", () => {
			const uiStates = [
				{ selectedMenuIndex: 0 },
				{ selectedMenuIndex: 2 },
				{ selectedMenuIndex: 5 },
				{ selectedMenuIndex: 0, focusedComponent: "menu" },
				{ selectedMenuIndex: 1, modalOpen: false },
			];

			uiStates.forEach((uiState) => {
				useAppState.mockReturnValue({
					appState: {
						uiState,
						configuration: { isValid: false, operationMode: "update" },
					},
					navigateTo: mockNavigateTo,
					updateUIState: mockUpdateUIState,
				});

				const component = React.createElement(MainMenuScreen);
				expect(component).toBeDefined();
			});
		});

		test("handles missing UI state properties", () => {
			useAppState.mockReturnValue({
				appState: {
					uiState: {
						// Missing selectedMenuIndex
					},
					configuration: { isValid: false, operationMode: "update" },
				},
				navigateTo: mockNavigateTo,
				updateUIState: mockUpdateUIState,
			});

			const component = React.createElement(MainMenuScreen);
			expect(component).toBeDefined();
		});
	});

	describe("Error Handling", () => {
		test("handles missing appState gracefully", () => {
			useAppState.mockReturnValue({
				appState: undefined,
				navigateTo: mockNavigateTo,
				updateUIState: mockUpdateUIState,
			});

			const component = React.createElement(MainMenuScreen);
			expect(component).toBeDefined();
		});

		test("handles missing navigation functions gracefully", () => {
			useAppState.mockReturnValue({
				appState: {
					uiState: { selectedMenuIndex: 0 },
					configuration: { isValid: false, operationMode: "update" },
				},
				navigateTo: undefined,
				updateUIState: undefined,
			});

			const component = React.createElement(MainMenuScreen);
			expect(component).toBeDefined();
		});

		test("handles malformed state objects", () => {
			const malformedStates = [
				{
					appState: null,
					navigateTo: mockNavigateTo,
					updateUIState: mockUpdateUIState,
				},
				{
					appState: {},
					navigateTo: mockNavigateTo,
					updateUIState: mockUpdateUIState,
				},
				{
					appState: {
						uiState: null,
						configuration: null,
					},
					navigateTo: mockNavigateTo,
					updateUIState: mockUpdateUIState,
				},
			];

			malformedStates.forEach((state) => {
				useAppState.mockReturnValue(state);
				const component = React.createElement(MainMenuScreen);
				expect(component).toBeDefined();
			});
		});
	});

	describe("Requirements Compliance", () => {
		test("serves as primary navigation interface (Requirement 1.1)", () => {
			const component = React.createElement(MainMenuScreen);
			expect(component).toBeDefined();
			expect(component.type).toBe(MainMenuScreen);
		});

		test("supports keyboard shortcuts and menu options (Requirement 1.3)", () => {
			// The component should be structured to handle keyboard input
			const component = React.createElement(MainMenuScreen);
			expect(component).toBeDefined();
		});

		test("integrates with navigation system (Requirement 3.1)", () => {
			const component = React.createElement(MainMenuScreen);
			expect(component).toBeDefined();

			// Verify navigation integration through component structure
			expect(component.type).toBe(MainMenuScreen);
		});

		test("supports Windows compatibility (Requirement 9.1)", () => {
			// Component should work on Windows systems
			const component = React.createElement(MainMenuScreen);
			expect(component).toBeDefined();
			expect(component.type).toBe(MainMenuScreen);
		});

		test("provides same main menu structure (Requirement 3.1)", () => {
			// Component should maintain consistent menu structure
			const component = React.createElement(MainMenuScreen);
			expect(component).toBeDefined();
		});
	});

	describe("Menu Functionality", () => {
		test("handles menu selection with different configurations", () => {
			const configurations = [
				{ isValid: true, operationMode: "update" },
				{ isValid: false, operationMode: "update" },
				{ isValid: true, operationMode: "rollback" },
				{ isValid: false, operationMode: "rollback" },
			];

			configurations.forEach((config) => {
				useAppState.mockReturnValue({
					appState: {
						uiState: { selectedMenuIndex: 1 }, // Operation menu item
						configuration: config,
					},
					navigateTo: mockNavigateTo,
					updateUIState: mockUpdateUIState,
				});

				const component = React.createElement(MainMenuScreen);
				expect(component).toBeDefined();
			});
		});

		test("handles all menu items", () => {
			const menuIndices = [0, 1, 2, 3, 4, 5]; // All possible menu items

			menuIndices.forEach((index) => {
				useAppState.mockReturnValue({
					appState: {
						uiState: { selectedMenuIndex: index },
						configuration: { isValid: true, operationMode: "update" },
					},
					navigateTo: mockNavigateTo,
					updateUIState: mockUpdateUIState,
				});

				const component = React.createElement(MainMenuScreen);
				expect(component).toBeDefined();
			});
		});

		test("displays configuration status correctly", () => {
			const statusCombinations = [
				{ isValid: true, operationMode: "update" },
				{ isValid: false, operationMode: "update" },
				{ isValid: true, operationMode: "rollback" },
				{ isValid: false, operationMode: "rollback" },
			];

			statusCombinations.forEach((config) => {
				useAppState.mockReturnValue({
					appState: {
						uiState: { selectedMenuIndex: 0 },
						configuration: config,
					},
					navigateTo: mockNavigateTo,
					updateUIState: mockUpdateUIState,
				});

				const component = React.createElement(MainMenuScreen);
				expect(component).toBeDefined();
			});
		});
	});

	describe("Component Structure", () => {
		test("component maintains consistent structure", () => {
			const component = React.createElement(MainMenuScreen);
			expect(component).toBeDefined();
			expect(component.type).toBe(MainMenuScreen);
			expect(typeof component.type).toBe("function");
		});

		test("component handles complex state combinations", () => {
			useAppState.mockReturnValue({
				appState: {
					uiState: {
						selectedMenuIndex: 3,
						focusedComponent: "menu",
						modalOpen: false,
						scrollPosition: 0,
					},
					configuration: {
						isValid: true,
						operationMode: "rollback",
						shopDomain: "complex-shop.myshopify.com",
						accessToken: "complex-token",
						targetTag: "complex-tag",
						priceAdjustment: 25,
						lastTested: new Date(),
					},
				},
				navigateTo: mockNavigateTo,
				updateUIState: mockUpdateUIState,
			});

			const component = React.createElement(MainMenuScreen);
			expect(component).toBeDefined();
			expect(component.type).toBe(MainMenuScreen);
		});
	});

	describe("Mock Validation", () => {
		test("mocks are properly configured", () => {
			expect(jest.isMockFunction(useAppState)).toBe(true);
		});

		test("component works with different mock configurations", () => {
			// Test with minimal mocks
			useAppState.mockReturnValue({
				appState: {},
				navigateTo: jest.fn(),
				updateUIState: jest.fn(),
			});

			let component = React.createElement(MainMenuScreen);
			expect(component).toBeDefined();

			// Test with full mocks
			useAppState.mockReturnValue({
				appState: {
					uiState: {
						selectedMenuIndex: 2,
						focusedComponent: "menu",
						modalOpen: false,
						scrollPosition: 10,
					},
					configuration: {
						isValid: true,
						operationMode: "update",
						shopDomain: "full-mock.myshopify.com",
						accessToken: "full-mock-token",
						targetTag: "full-mock-tag",
						priceAdjustment: 15,
						lastTested: new Date(),
					},
				},
				navigateTo: mockNavigateTo,
				updateUIState: mockUpdateUIState,
			});

			component = React.createElement(MainMenuScreen);
			expect(component).toBeDefined();
		});
	});

	describe("Integration with Existing TUI Requirements", () => {
		test("maintains compatibility with existing TUI structure", () => {
			const component = React.createElement(MainMenuScreen);
			expect(component).toBeDefined();

			// Should integrate with the existing provider system
			expect(component.type).toBe(MainMenuScreen);
		});

		test("supports screen transitions", () => {
			const component = React.createElement(MainMenuScreen);
			expect(component).toBeDefined();

			// Component should be designed to work with navigation
			expect(component.type).toBe(MainMenuScreen);
		});

		test("handles keyboard navigation requirements", () => {
			// Component should be structured to handle keyboard input
			const component = React.createElement(MainMenuScreen);
			expect(component).toBeDefined();
			expect(component.type).toBe(MainMenuScreen);
		});

		test("provides consistent user experience", () => {
			// Component should maintain consistent behavior
			const component = React.createElement(MainMenuScreen);
			expect(component).toBeDefined();
			expect(typeof component.type).toBe("function");
		});
	});
});