/**
 * edit.js
 * WordPress dependencies
 */
import { __ } from '@wordpress/i18n';
import { useBlockProps, InspectorControls } from '@wordpress/block-editor';
import {
    PanelBody,
    SelectControl,
    ToggleControl,
    TextControl,
    Notice
} from '@wordpress/components';
import { useState, useEffect } from '@wordpress/element';

/**
 * Styles
 */
import './editor.scss';

/**
 * Edit function for Form Block
 */
export default function Edit({ attributes, setAttributes }) {
    const {
        formType,
        showLabels,
        customEmailTo,
        turnstileEnabled
    } = attributes;

    const [isPreviewVisible, setIsPreviewVisible] = useState(true);

    const blockProps = useBlockProps({
        className: `jvb-form-block ${formType ? `jvb-form-block-${formType}` : ''}`
    });

	// Get form types from localized data, with fallback
	const getFormTypes = () => {
		if (typeof window !== 'undefined' && window.jvbFormsData && window.jvbFormsData.formTypes) {
			return window.jvbFormsData.formTypes;
		}

		// Fallback if data isn't available
		return [
			{ label: __('Select a form type', 'jvb'), value: '' },
			{ label: __('No forms available', 'jvb'), value: '', disabled: true }
		];
	};

	// Get available forms configuration
	const getAvailableForms = () => {
		console.log(window.jvbFormsData);
		if (typeof window !== 'undefined' && window.jvbFormsData && window.jvbFormsData.availableForms) {
			return window.jvbFormsData.availableForms;
		}
		return {};
	};

	const formTypes = getFormTypes();
	const availableForms = getAvailableForms();

	// Get form configuration based on selected type
	const getCurrentFormConfig = () => {
		if (!formType || !availableForms[formType]) {
			return null;
		}
		return availableForms[formType];
	};

	// Form labels based on the selected form type
	const getFormLabels = () => {
		const formConfig = getCurrentFormConfig();

		if (formConfig) {
			return {
				title: formConfig.title || __('Form', 'jvb'),
				description: Array.isArray(formConfig.description)
					? formConfig.description.join(' ')
					: (formConfig.description || ''),
				button: formConfig.submit || __('Submit', 'jvb')
			};
		}

		return {
			title: __('Form', 'jvb'),
			description: formType ? __('Loading form configuration...', 'jvb') : __('Please select a form type in the sidebar', 'jvb'),
			button: __('Submit', 'jvb')
		};
	};

	const formLabels = getFormLabels();

    // Render a preview of the form in the editor
    const renderFormPreview = () => {
        if (!formType) {
            return (
                <Notice status="warning" isDismissible={false}>
                    {__('Please select a form type in the block settings.', 'jvb')}
                </Notice>
            );
        }

        let formFields = [];

        switch (formType) {
            case 'contact':
                formFields = [
                    { id: 'name', label: __('Name', 'jvb'), type: 'text', required: true },
                    { id: 'email', label: __('Email', 'jvb'), type: 'email', required: true },
                    { id: 'phone', label: __('Phone', 'jvb'), type: 'tel', required: true },
                    { id: 'instagram', label: __('Instagram URL', 'jvb'), type: 'url' },
                    { id: 'contact_methods', label: __('Preferred Contact', 'jvb'), type: 'checkboxes',
                        options: [
                            { value: 'text', label: __('Text', 'jvb') },
                            { value: 'call', label: __('Call', 'jvb') },
                            { value: 'email', label: __('Email', 'jvb') },
                            { value: 'instagram', label: __('Instagram', 'jvb') }
                        ]
                    },
                    { id: 'message', label: __('Your Message', 'jvb'), type: 'textarea', required: true }
                ];
                break;

            case 'feature_request':
                formFields = [
                    { id: 'name', label: __('Name', 'jvb'), type: 'text', help: __('Required if you want us to follow up.', 'jvb') },
                    { id: 'email', label: __('Email', 'jvb'), type: 'email', help: __('Required if you want us to follow up.', 'jvb') },
                    { id: 'follow_up', label: __('Would you like me to follow up with you?', 'jvb'), type: 'checkbox' },
                    { id: 'target_audience', label: __('This Feature is For', 'jvb'), type: 'checkboxes',
                        options: [
                            { value: 'artists', label: __('Artists', 'jvb') },
                            { value: 'visitors', label: __('Site Visitors', 'jvb') },
                            { value: 'partners', label: __('Partners', 'jvb') },
                            { value: 'other', label: __('Other', 'jvb') }
                        ]
                    },
                    { id: 'feature_name', label: __('Name your Feature', 'jvb'), type: 'text', required: true },
                    { id: 'message', label: __('Describe Your Feature', 'jvb'), type: 'textarea', required: true }
                ];
                break;

            case 'technical_issue':
                formFields = [
                    { id: 'name', label: __('Name', 'jvb'), type: 'text' },
                    { id: 'email', label: __('Email', 'jvb'), type: 'email' },
                    { id: 'follow_up', label: __('Would you like me to follow up with you?', 'jvb'), type: 'checkbox' },
                    { id: 'issue_type', label: __('Type of Issue', 'jvb'), type: 'checkboxes',
                        options: [
                            { value: 'visual', label: __('Visual', 'jvb') },
                            { value: 'error', label: __('Error Page', 'jvb') },
                            { value: 'other', label: __('Other', 'jvb') }
                        ]
                    },
                    { id: 'message', label: __('Please describe the issue.', 'jvb'), type: 'textarea', required: true }
                ];
                break;
        }

        return (
            <>
                <h3 className="jvb-form-title">{formLabels.title}</h3>
                <p className="jvb-form-description">{formLabels.description}</p>

                <div className="jvb-form-preview">
                    {formFields.map((field) => (
                        <div key={field.id} className="jvb-form-field">
                            {showLabels && (
                                <label htmlFor={`jvb-${field.id}`} className={field.required ? 'required' : ''}>
                                    {field.label}
                                </label>
                            )}

                            {field.type === 'text' && (
                                <input
                                    type="text"
                                    id={`jvb-${field.id}`}
                                    placeholder={showLabels ? '' : field.label}
                                    disabled
                                />
                            )}

                            {field.type === 'email' && (
                                <input
                                    type="email"
                                    id={`jvb-${field.id}`}
                                    placeholder={showLabels ? '' : field.label}
                                    disabled
                                />
                            )}

                            {field.type === 'tel' && (
                                <input
                                    type="tel"
                                    id={`jvb-${field.id}`}
                                    placeholder={showLabels ? '' : field.label}
                                    disabled
                                />
                            )}

                            {field.type === 'url' && (
                                <input
                                    type="url"
                                    id={`jvb-${field.id}`}
                                    placeholder={showLabels ? '' : field.label}
                                    disabled
                                />
                            )}

                            {field.type === 'textarea' && (
                                <textarea
                                    id={`jvb-${field.id}`}
                                    placeholder={showLabels ? '' : field.label}
                                    disabled
                                    rows="4"
                                ></textarea>
                            )}

                            {field.type === 'checkbox' && (
                                <div className="jvb-form-checkbox">
                                    <input
                                        type="checkbox"
                                        id={`jvb-${field.id}`}
                                        disabled
                                    />
                                    <label htmlFor={`jvb-${field.id}`}>{field.label}</label>
                                </div>
                            )}

                            {field.type === 'checkboxes' && field.options && (
                                <div className="jvb-form-checkboxes">
                                    {field.options.map((option) => (
                                        <div key={option.value} className="jvb-form-checkbox">
                                            <input
                                                type="checkbox"
                                                id={`jvb-${field.id}-${option.value}`}
                                                disabled
                                            />
                                            <label htmlFor={`jvb-${field.id}-${option.value}`}>{option.label}</label>
                                        </div>
                                    ))}
                                </div>
                            )}

                            {field.help && (
                                <p className="jvb-form-help">{field.help}</p>
                            )}
                        </div>
                    ))}

                    {turnstileEnabled && (
                        <div className="jvb-form-turnstile">
                            <div className="jvb-turnstile-placeholder">
                                <span>{__('Cloudflare Turnstile will appear here', 'jvb')}</span>
                            </div>
                        </div>
                    )}

                    <div className="jvb-form-submit">
                        <button type="button" className="jvb-form-button">{formLabels.button}</button>
                    </div>
                </div>
            </>
        );
    };

    return (
        <>
            <InspectorControls>
                <PanelBody title={__('Form Settings', 'jvb')}>
                    <SelectControl
                        label={__('Form Type', 'jvb')}
                        value={formType}
                        options={formTypes}
                        onChange={(value) => setAttributes({ formType: value })}
                    />

                    <ToggleControl
                        label={__('Show Field Labels', 'jvb')}
                        checked={showLabels}
                        onChange={(value) => setAttributes({ showLabels: value })}
                        help={__('Toggle to show or hide field labels.', 'jvb')}
                    />

                    <TextControl
                        label={__('Custom Recipient Email', 'jvb')}
                        value={customEmailTo || ''}
                        onChange={(value) => setAttributes({ customEmailTo: value })}
                        help={__('Leave empty to use the default email.', 'jvb')}
                        type="email"
                    />
                </PanelBody>

                <PanelBody title={__('Form Preview', 'jvb')} initialOpen={false}>
                    <ToggleControl
                        label={__('Show Preview', 'jvb')}
                        checked={isPreviewVisible}
                        onChange={(value) => setIsPreviewVisible(value)}
                    />

                    <p className="components-base-control__help">
                        {__('This is just a preview. The actual form will be rendered on the frontend.', 'jvb')}
                    </p>
                </PanelBody>
            </InspectorControls>

            <div {...blockProps}>
                {isPreviewVisible ? (
                    renderFormPreview()
                ) : (
                    <div className="jvb-form-placeholder">
                        <h3>{formLabels.title}</h3>
                        <p>{__('Form preview is hidden. Edit settings in the sidebar.', 'jvb')}</p>
                    </div>
                )}
            </div>
        </>
    );
}