import { KEY_MODEL } from '../impl/model/key-model.const';
import { Metadata } from './metadata';
export function metadataForClass(modelClass) {
    return new Metadata(modelClass);
}
export function metadataForModel(modelClass) {
    const modelMetadata = Reflect.getMetadata(KEY_MODEL, modelClass);
    if (!modelMetadata) {
        throw new Error(`make sure the @Model decorator is present on the model ${modelClass.name}`);
    }
    return modelMetadata;
}
/**
 *
 * @param {ModelConstructor<T>} modelClass
 * @param {keyof T} propertyKey Either the name of the property or the name of the
 * @returns {PropertyMetadata<T>}
 */
export function metadataForProperty(modelClass, propertyKey) {
    if (modelClass) {
        const modelMetadata = Reflect.getMetadata(KEY_MODEL, modelClass);
        if (modelClass && !modelMetadata) {
            throw new Error(`make sure the @Model decorator was added to the given modelClass ${Object.hasOwnProperty('name') ? modelClass.name : modelClass}, was not able to find model metadata`);
        }
        if (modelMetadata.properties) {
            return (modelMetadata.properties.find(property => property.name === propertyKey || property.nameDb === propertyKey) ||
                null);
        }
    }
    return null;
}
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