#!/usr/bin/env node

/**
 * TDD Test for Document Controls Component Extraction
 *
 * Tests the extraction of DocumentControls from the monolithic editor.js
 * DocumentControls handles the floating control panel and its actions.
 */

const RefactorTestRunner = require('./refactor-test-runner.js');

const runner = new RefactorTestRunner();

// Define expected DocumentControls API
const EXPECTED_DOCUMENTCONTROLS_API = [
    'constructor',
    'create',
    'destroy',
    'show',
    'hide',
    'addButton',
    'removeButton',
    'setEventHandlers',
    'updateStatus',
    'getControlPanel'
];

runner.describe('DocumentControls Component Extraction', () => {

    runner.it('should define expected API methods', () => {
        const expectedMethods = EXPECTED_DOCUMENTCONTROLS_API;
        runner.expect(expectedMethods.length).toBe(10);
        runner.expect(expectedMethods).toContain('create');
        runner.expect(expectedMethods).toContain('addButton');
        runner.expect(expectedMethods).toContain('setEventHandlers');
    });

    runner.it('should load extracted DocumentControls component', () => {
        // Load the extracted component
        delete require.cache[require.resolve('../components/document-controls.js')];

        try {
            const module = require('../components/document-controls.js');
            runner.expect(module.DocumentControls).toBeTruthy();

            // Set global for other tests
            global.ExtractedDocumentControls = module.DocumentControls;
        } catch (error) {
            throw new Error(`Failed to load extracted DocumentControls: ${error.message}`);
        }
    });

    runner.it('should preserve constructor functionality', () => {
        const DocumentControls = global.ExtractedDocumentControls;

        const controls = new DocumentControls();
        runner.expect(controls).toBeInstanceOf(DocumentControls);
        runner.expect(controls.controlPanel).toBeFalsy(); // Initially null
        runner.expect(controls.buttons).toBeInstanceOf(Map);
    });

    runner.it('should preserve control panel creation functionality', () => {
        const DocumentControls = global.ExtractedDocumentControls;

        const controls = new DocumentControls();
        controls.create();

        const panel = controls.getControlPanel();
        runner.expect(panel).toBeTruthy();
        runner.expect(panel.id).toBe('markitect-global-controls');

        // Check that panel is added to DOM
        const domPanel = document.getElementById('markitect-global-controls');
        runner.expect(domPanel).toBeTruthy();

        // Cleanup
        controls.destroy();
    });

    runner.it('should preserve button creation functionality', () => {
        const DocumentControls = global.ExtractedDocumentControls;

        const controls = new DocumentControls();
        controls.create();

        // Default buttons should be created
        runner.expect(controls.buttons.has('save-document')).toBeTruthy();
        runner.expect(controls.buttons.has('reset-all')).toBeTruthy();
        runner.expect(controls.buttons.has('show-status')).toBeTruthy();
        runner.expect(controls.buttons.has('toggle-debug')).toBeTruthy();

        // Check DOM elements exist
        runner.expect(document.getElementById('save-document')).toBeTruthy();
        runner.expect(document.getElementById('reset-all')).toBeTruthy();
        runner.expect(document.getElementById('show-status')).toBeTruthy();
        runner.expect(document.getElementById('toggle-debug')).toBeTruthy();

        // Cleanup
        controls.destroy();
    });

    runner.it('should support custom button addition', () => {
        const DocumentControls = global.ExtractedDocumentControls;

        const controls = new DocumentControls();
        controls.create();

        // Add custom button
        const customButton = controls.addButton('custom-test', '🎯 Test', '#ff6600');
        runner.expect(customButton).toBeTruthy();
        runner.expect(customButton.id).toBe('custom-test');
        runner.expect(customButton.textContent).toBe('🎯 Test');

        // Check button is in map and DOM
        runner.expect(controls.buttons.has('custom-test')).toBeTruthy();
        runner.expect(document.getElementById('custom-test')).toBeTruthy();

        // Cleanup
        controls.destroy();
    });

    runner.it('should support event handler configuration', () => {
        const DocumentControls = global.ExtractedDocumentControls;

        const controls = new DocumentControls();
        controls.create();

        let saveClicked = false;
        let resetClicked = false;

        const handlers = {
            'save-document': () => { saveClicked = true; },
            'reset-all': () => { resetClicked = true; }
        };

        controls.setEventHandlers(handlers);

        // Simulate button clicks
        const saveBtn = document.getElementById('save-document');
        const resetBtn = document.getElementById('reset-all');

        saveBtn.click();
        resetBtn.click();

        runner.expect(saveClicked).toBeTruthy();
        runner.expect(resetClicked).toBeTruthy();

        // Cleanup
        controls.destroy();
    });

    runner.it('should support show/hide functionality', () => {
        const DocumentControls = global.ExtractedDocumentControls;

        const controls = new DocumentControls();
        controls.create();

        const panel = controls.getControlPanel();

        // Test hiding
        controls.hide();
        runner.expect(panel.style.display).toBe('none');

        // Test showing
        controls.show();
        runner.expect(panel.style.display).toBe('block');

        // Cleanup
        controls.destroy();
    });

    runner.it('should preserve destroy functionality', () => {
        const DocumentControls = global.ExtractedDocumentControls;

        const controls = new DocumentControls();
        controls.create();

        // Verify panel exists
        runner.expect(document.getElementById('markitect-global-controls')).toBeTruthy();

        // Destroy
        controls.destroy();

        // Verify panel is removed
        runner.expect(document.getElementById('markitect-global-controls')).toBeFalsy();
        runner.expect(controls.controlPanel).toBeFalsy();
    });

    runner.it('should support status updates', () => {
        const DocumentControls = global.ExtractedDocumentControls;

        const controls = new DocumentControls();
        controls.create();

        // Test status update
        controls.updateStatus({ totalSections: 5, editingSections: 2 });

        // The status should be reflected in the panel (implementation specific)
        const panel = controls.getControlPanel();
        runner.expect(panel).toBeTruthy();

        // Cleanup
        controls.destroy();
    });
});

module.exports = {
    runner,
    EXPECTED_DOCUMENTCONTROLS_API
};

// Run tests if called directly
if (require.main === module) {
    console.log('🧪 Testing DocumentControls Component Extraction');
    runner.run().then(() => {
        console.log('✅ DocumentControls extraction tests completed');
    });
}