// Shared utility functions for the application

// Theme management
class ThemeManager {
    constructor() {
        this.currentTheme = 'dark';
        this.init();
    }

    init() {
        // Check for saved theme preference or respect OS preference
        const savedTheme = localStorage.getItem('theme');
        if (savedTheme) {
            this.setTheme(savedTheme);
        } else if (window.matchMedia('(prefers-color-scheme: dark)').matches) {
            this.setTheme('dark');
        }
    }

    setTheme(theme) {
        this.currentTheme = theme;
        document.documentElement.className = theme;
        localStorage.setItem('theme', theme);
    }

    toggleTheme() {
        this.setTheme(this.currentTheme === 'dark' ? 'light' : 'dark');
    }
}

// Initialize theme manager
const themeManager = new ThemeManager();

// Form validation helpers
class FormValidator {
    static validateRequired(value) {
        return value && value.trim().length > 0;
    }

    static validateEmail(email) {
        const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
        return emailRegex.test(email);
    }

    static showError(input, message) {
        const errorElement = input.nextElementSibling;
        if (errorElement && errorElement.classList.contains('error-message')) {
            errorElement.textContent = message;
        } else {
            const errorDiv = document.createElement('div');
            errorDiv.className = 'error-message text-red-400 text-sm mt-1';
            errorDiv.textContent = message;
            input.parentNode.insertBefore(errorDiv, input.nextSibling);
        }
        input.classList.add('border-red-500');
    }

    static clearError(input) {
        const errorElement = input.nextElementSibling;
        if (errorElement && errorElement.classList.contains('error-message')) {
            errorElement.remove();
        }
        input.classList.remove('border-red-500');
    }
}

// API service for AI interactions
class AIService {
    static async generateComponentScope(description, componentType) {
        // Mock AI service - in real implementation, this would call your backend
        return new Promise((resolve) => {
            setTimeout(() => {
                const mockResponse = {
                    frameworkOptions: ['React Web', 'React Native'],
                    suggestedHooks: this.getSuggestedHooks(componentType),
                    dataAttributes: this.getDataAttributes(componentType),
                    codeStructure: ['Typed Primitives', 'Adapter Pattern']
                };
                resolve(mockResponse);
            }, 1500);
        });
    }

    static getSuggestedHooks(componentType) {
        const hooksMap = {
            'button': ['useButton', 'usePress', 'useFocusRing'],
            'input': ['useTextField', 'useFocus', 'useKeyboard'],
            'select': ['useSelect', 'useListBox', 'useOverlay'],
            'modal': ['useDialog', 'useOverlay', 'useModal'],
            'menu': ['useMenu', 'useMenuItem', 'useSubmenu'],
            'tabs': ['useTab', 'useTabList', 'useTabPanel'],
            'accordion': ['useAccordion', 'useAccordionItem'],
            'slider': ['useSlider', 'useSliderThumb'],
            'switch': ['useSwitch'],
            'checkbox': ['useCheckbox', 'useCheckboxGroup'],
            'radio': ['useRadio', 'useRadioGroup']
        };
        return hooksMap[componentType] || ['useId', 'useFocus', 'useKeyboard'];
    }

    static getDataAttributes(componentType) {
        const attributesMap = {
            'button': ['data-focused', 'data-pressed', 'data-disabled', 'data-loading'],
            'input': ['data-focused', 'data-invalid', 'data-disabled', 'data-readonly'],
            'select': ['data-focused', 'data-open', 'data-disabled', 'data-invalid'],
            'modal': ['data-open', 'data-placement', 'data-size'],
            'menu': ['data-open', 'data-focused', 'data-disabled'],
            'tabs': ['data-selected', 'data-disabled', 'data-orientation'],
            'accordion': ['data-expanded', 'data-disabled'],
            'slider': ['data-dragging', 'data-focused', 'data-disabled'],
            'switch': ['data-selected', 'data-focused', 'data-disabled'],
            'checkbox': ['data-selected', 'data-indeterminate', 'data-focused', 'data-disabled'],
            'radio': ['data-selected', 'data-focused', 'data-disabled']
        };
        return attributesMap[componentType] || ['data-component'];
    }
}

// Local storage management
class StorageManager {
    static getProjectData() {
        return {
            name: localStorage.getItem('projectName'),
            description: localStorage.getItem('projectDescription'),
            scope: JSON.parse(localStorage.getItem('projectScope') || '{}'),
            framework: localStorage.getItem('selectedFramework'),
            codeStructure: localStorage.getItem('selectedCodeStructure')
        };
    }

    static clearProjectData() {
        localStorage.removeItem('projectName');
        localStorage.removeItem('projectDescription');
        localStorage.removeItem('projectScope');
        localStorage.removeItem('selectedFramework');
        localStorage.removeItem('selectedCodeStructure');
    }
}

// Export for use in other files
window.ThemeManager = ThemeManager;
window.FormValidator = FormValidator;
window.AIService = AIService;
window.StorageManager = StorageManager;