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import React, { useState, useEffect, useMemo } from 'react';
import { useTranslation } from 'react-i18next';
import { ToolInputSchema } from '@/types';
interface JsonSchema {
type: string;
properties?: Record<string, JsonSchema>;
required?: string[];
items?: JsonSchema;
enum?: any[];
description?: string;
default?: any;
}
interface DynamicFormProps {
schema: ToolInputSchema;
onSubmit: (values: Record<string, any>) => void;
onCancel: () => void;
loading?: boolean;
storageKey?: string; // Optional key for localStorage persistence
}
const DynamicForm: React.FC<DynamicFormProps> = ({ schema, onSubmit, onCancel, loading = false, storageKey }) => {
const { t } = useTranslation();
const [formValues, setFormValues] = useState<Record<string, any>>({});
const [errors, setErrors] = useState<Record<string, string>>({});
// Convert ToolInputSchema to JsonSchema - memoized to prevent infinite re-renders
const jsonSchema = useMemo(() => {
const convertToJsonSchema = (schema: ToolInputSchema): JsonSchema => {
const convertProperty = (prop: unknown): JsonSchema => {
if (typeof prop === 'object' && prop !== null) {
const obj = prop as any;
return {
type: obj.type || 'string',
description: obj.description,
enum: obj.enum,
default: obj.default,
properties: obj.properties ? Object.fromEntries(
Object.entries(obj.properties).map(([key, value]) => [key, convertProperty(value)])
) : undefined,
required: obj.required,
items: obj.items ? convertProperty(obj.items) : undefined,
};
}
return { type: 'string' };
};
return {
type: schema.type,
properties: schema.properties ? Object.fromEntries(
Object.entries(schema.properties).map(([key, value]) => [key, convertProperty(value)])
) : undefined,
required: schema.required,
};
};
return convertToJsonSchema(schema);
}, [schema]);
// Initialize form values with defaults or from localStorage
useEffect(() => {
const initializeValues = (schema: JsonSchema, path: string = ''): Record<string, any> => {
const values: Record<string, any> = {};
if (schema.type === 'object' && schema.properties) {
Object.entries(schema.properties).forEach(([key, propSchema]) => {
const fullPath = path ? `${path}.${key}` : key;
if (propSchema.default !== undefined) {
values[key] = propSchema.default;
} else if (propSchema.type === 'string') {
values[key] = '';
} else if (propSchema.type === 'number' || propSchema.type === 'integer') {
values[key] = 0;
} else if (propSchema.type === 'boolean') {
values[key] = false;
} else if (propSchema.type === 'array') {
values[key] = [];
} else if (propSchema.type === 'object') {
values[key] = initializeValues(propSchema, fullPath);
}
});
}
return values;
};
let initialValues = initializeValues(jsonSchema);
// Try to load saved form data from localStorage
if (storageKey) {
try {
const savedData = localStorage.getItem(storageKey);
if (savedData) {
const parsedData = JSON.parse(savedData);
// Merge saved data with initial values, preserving structure
initialValues = { ...initialValues, ...parsedData };
}
} catch (error) {
console.warn('Failed to load saved form data:', error);
}
}
setFormValues(initialValues);
}, [jsonSchema, storageKey]);
const handleInputChange = (path: string, value: any) => {
setFormValues(prev => {
const newValues = { ...prev };
const keys = path.split('.');
let current = newValues;
for (let i = 0; i < keys.length - 1; i++) {
if (!current[keys[i]]) {
current[keys[i]] = {};
}
current = current[keys[i]];
}
current[keys[keys.length - 1]] = value;
// Save to localStorage if storageKey is provided
if (storageKey) {
try {
localStorage.setItem(storageKey, JSON.stringify(newValues));
} catch (error) {
console.warn('Failed to save form data to localStorage:', error);
}
}
return newValues;
});
// Clear error for this field
if (errors[path]) {
setErrors(prev => {
const newErrors = { ...prev };
delete newErrors[path];
return newErrors;
});
}
};
const validateForm = (): boolean => {
const newErrors: Record<string, string> = {};
const validateObject = (schema: JsonSchema, values: any, path: string = '') => {
if (schema.type === 'object' && schema.properties) {
Object.entries(schema.properties).forEach(([key, propSchema]) => {
const fullPath = path ? `${path}.${key}` : key;
const value = values?.[key];
// Check required fields
if (schema.required?.includes(key) && (value === undefined || value === null || value === '')) {
newErrors[fullPath] = `${key} is required`;
return;
}
// Validate type
if (value !== undefined && value !== null && value !== '') {
if (propSchema.type === 'string' && typeof value !== 'string') {
newErrors[fullPath] = `${key} must be a string`;
} else if (propSchema.type === 'number' && typeof value !== 'number') {
newErrors[fullPath] = `${key} must be a number`;
} else if (propSchema.type === 'integer' && (!Number.isInteger(value) || typeof value !== 'number')) {
newErrors[fullPath] = `${key} must be an integer`;
} else if (propSchema.type === 'boolean' && typeof value !== 'boolean') {
newErrors[fullPath] = `${key} must be a boolean`;
} else if (propSchema.type === 'object' && typeof value === 'object') {
validateObject(propSchema, value, fullPath);
}
}
});
}
};
validateObject(jsonSchema, formValues);
setErrors(newErrors);
return Object.keys(newErrors).length === 0;
};
const handleSubmit = (e: React.FormEvent) => {
e.preventDefault();
if (validateForm()) {
onSubmit(formValues);
}
};
const renderField = (key: string, propSchema: JsonSchema, path: string = ''): React.ReactNode => {
const fullPath = path ? `${path}.${key}` : key;
const value = formValues[key];
const error = errors[fullPath];
if (propSchema.type === 'string') {
if (propSchema.enum) {
return (
<div key={fullPath} className="mb-4">
<label className="block text-sm font-medium text-gray-700 mb-1">
{key}
{jsonSchema.required?.includes(key) && <span className="text-red-500 ml-1">*</span>}
</label>
{propSchema.description && (
<p className="text-xs text-gray-500 mb-2">{propSchema.description}</p>
)}
<select
value={value || ''}
onChange={(e) => handleInputChange(fullPath, e.target.value)}
className={`w-full border rounded-md px-3 py-2 ${error ? 'border-red-500' : 'border-gray-300'} focus:outline-none focus:ring-2 focus:ring-blue-500`}
>
<option value="">{t('tool.selectOption')}</option>
{propSchema.enum.map((option, idx) => (
<option key={idx} value={option}>
{option}
</option>
))}
</select>
{error && <p className="text-red-500 text-xs mt-1">{error}</p>}
</div>
);
} else {
return (
<div key={fullPath} className="mb-4">
<label className="block text-sm font-medium text-gray-700 mb-1">
{key}
{jsonSchema.required?.includes(key) && <span className="text-red-500 ml-1">*</span>}
</label>
{propSchema.description && (
<p className="text-xs text-gray-500 mb-2">{propSchema.description}</p>
)}
<input
type="text"
value={value || ''}
onChange={(e) => handleInputChange(fullPath, e.target.value)}
className={`w-full border rounded-md px-3 py-2 ${error ? 'border-red-500' : 'border-gray-300'} focus:outline-none focus:ring-2 focus:ring-blue-500`}
/>
{error && <p className="text-red-500 text-xs mt-1">{error}</p>}
</div>
);
}
}
if (propSchema.type === 'number' || propSchema.type === 'integer') {
return (
<div key={fullPath} className="mb-4">
<label className="block text-sm font-medium text-gray-700 mb-1">
{key}
{jsonSchema.required?.includes(key) && <span className="text-red-500 ml-1">*</span>}
</label>
{propSchema.description && (
<p className="text-xs text-gray-500 mb-2">{propSchema.description}</p>
)}
<input
type="number"
step={propSchema.type === 'integer' ? '1' : 'any'}
value={value || ''}
onChange={(e) => {
const val = e.target.value === '' ? '' : propSchema.type === 'integer' ? parseInt(e.target.value) : parseFloat(e.target.value);
handleInputChange(fullPath, val);
}}
className={`w-full border rounded-md px-3 py-2 ${error ? 'border-red-500' : 'border-gray-300'} focus:outline-none focus:ring-2 focus:ring-blue-500`}
/>
{error && <p className="text-red-500 text-xs mt-1">{error}</p>}
</div>
);
}
if (propSchema.type === 'boolean') {
return (
<div key={fullPath} className="mb-4">
<div className="flex items-center">
<input
type="checkbox"
checked={value || false}
onChange={(e) => handleInputChange(fullPath, e.target.checked)}
className="h-4 w-4 text-blue-600 focus:ring-blue-500 border-gray-300 rounded"
/>
<label className="ml-2 block text-sm text-gray-700">
{key}
{jsonSchema.required?.includes(key) && <span className="text-red-500 ml-1">*</span>}
</label>
</div>
{propSchema.description && (
<p className="text-xs text-gray-500 mt-1">{propSchema.description}</p>
)}
{error && <p className="text-red-500 text-xs mt-1">{error}</p>}
</div>
);
}
// For other types, show as text input with description
return (
<div key={fullPath} className="mb-4">
<label className="block text-sm font-medium text-gray-700 mb-1">
{key}
{jsonSchema.required?.includes(key) && <span className="text-red-500 ml-1">*</span>}
<span className="text-xs text-gray-500 ml-1">({propSchema.type})</span>
</label>
{propSchema.description && (
<p className="text-xs text-gray-500 mb-2">{propSchema.description}</p>
)}
<input
type="text"
value={value || ''}
onChange={(e) => handleInputChange(fullPath, e.target.value)}
placeholder={t('tool.enterValue', { type: propSchema.type })}
className={`w-full border rounded-md px-3 py-2 ${error ? 'border-red-500' : 'border-gray-300'} focus:outline-none focus:ring-2 focus:ring-blue-500`}
/>
{error && <p className="text-red-500 text-xs mt-1">{error}</p>}
</div>
);
};
if (!jsonSchema.properties) {
return (
<div className="p-4 bg-gray-50 rounded-md">
<p className="text-sm text-gray-600">{t('tool.noParameters')}</p>
<div className="flex justify-end space-x-2 mt-4">
<button
type="button"
onClick={onCancel}
className="px-4 py-2 text-sm text-gray-600 bg-gray-100 rounded-md hover:bg-gray-200"
>
{t('tool.cancel')}
</button>
<button
onClick={() => onSubmit({})}
disabled={loading}
className="px-4 py-2 text-sm text-white bg-blue-600 rounded-md hover:bg-blue-700 disabled:opacity-50"
>
{loading ? t('tool.running') : t('tool.runTool')}
</button>
</div>
</div>
);
}
return (
<form onSubmit={handleSubmit} className="space-y-4">
{Object.entries(jsonSchema.properties || {}).map(([key, propSchema]) =>
renderField(key, propSchema)
)}
<div className="flex justify-end space-x-2 pt-4">
<button
type="button"
onClick={onCancel}
className="px-4 py-2 text-sm text-gray-600 bg-gray-100 rounded-md hover:bg-gray-200"
>
{t('tool.cancel')}
</button>
<button
type="submit"
disabled={loading}
className="px-4 py-2 text-sm text-white bg-blue-600 rounded-md hover:bg-blue-700 disabled:opacity-50"
>
{loading ? t('tool.running') : t('tool.runTool')}
</button>
</div>
</form>
);
};
export default DynamicForm;
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