import { ValidationSchemaToMetadataTransformer } from "../validation-schema/ValidationSchemaToMetadataTransformer";
/**
 * Gets metadata storage.
 * Metadata storage follows the best practices and stores metadata in a global variable.
 */
export function getMetadataStorage() {
    if (typeof window !== "undefined") {
        window.global = window;
    }
    if (!global.classValidatorMetadataStorage)
        global.classValidatorMetadataStorage = new MetadataStorage();
    return global.classValidatorMetadataStorage;
}
/**
 * Storage all metadatas.
 */
var MetadataStorage = /** @class */ (function () {
    function MetadataStorage() {
        // -------------------------------------------------------------------------
        // Private properties
        // -------------------------------------------------------------------------
        this.validationMetadatas = [];
        this.constraintMetadatas = [];
    }
    Object.defineProperty(MetadataStorage.prototype, "hasValidationMetaData", {
        get: function () {
            return !!this.validationMetadatas.length;
        },
        enumerable: true,
        configurable: true
    });
    // -------------------------------------------------------------------------
    // Public Methods
    // -------------------------------------------------------------------------
    /**
     * Adds a new validation metadata.
     */
    MetadataStorage.prototype.addValidationSchema = function (schema) {
        var _this = this;
        var validationMetadatas = new ValidationSchemaToMetadataTransformer().transform(schema);
        validationMetadatas.forEach(function (validationMetadata) { return _this.addValidationMetadata(validationMetadata); });
    };
    /**
     * Adds a new validation metadata.
     */
    MetadataStorage.prototype.addValidationMetadata = function (metadata) {
        this.validationMetadatas.push(metadata);
    };
    /**
     * Adds a new constraint metadata.
     */
    MetadataStorage.prototype.addConstraintMetadata = function (metadata) {
        this.constraintMetadatas.push(metadata);
    };
    /**
     * Groups metadata by their property names.
     */
    MetadataStorage.prototype.groupByPropertyName = function (metadata) {
        var grouped = {};
        metadata.forEach(function (metadata) {
            if (!grouped[metadata.propertyName])
                grouped[metadata.propertyName] = [];
            grouped[metadata.propertyName].push(metadata);
        });
        return grouped;
    };
    /**
     * Gets all validation metadatas for the given object with the given groups.
     */
    MetadataStorage.prototype.getTargetValidationMetadatas = function (targetConstructor, targetSchema, groups) {
        // get directly related to a target metadatas
        var originalMetadatas = this.validationMetadatas.filter(function (metadata) {
            if (metadata.target !== targetConstructor && metadata.target !== targetSchema)
                return false;
            if (metadata.always)
                return true;
            if (groups && groups.length > 0)
                return metadata.groups && !!metadata.groups.find(function (group) { return groups.indexOf(group) !== -1; });
            return true;
        });
        // get metadatas for inherited classes
        var inheritedMetadatas = this.validationMetadatas.filter(function (metadata) {
            // if target is a string it's means we validate agains a schema, and there is no inheritance support for schemas
            if (typeof metadata.target === "string")
                return false;
            if (metadata.target === targetConstructor)
                return false;
            if (metadata.target instanceof Function &&
                !(targetConstructor.prototype instanceof metadata.target))
                return false;
            if (metadata.always)
                return true;
            if (groups && groups.length > 0)
                return metadata.groups && !!metadata.groups.find(function (group) { return groups.indexOf(group) !== -1; });
            return true;
        });
        // filter out duplicate metadatas, prefer original metadatas instead of inherited metadatas
        var uniqueInheritedMetadatas = inheritedMetadatas.filter(function (inheritedMetadata) {
            return !originalMetadatas.find(function (originalMetadata) {
                return originalMetadata.propertyName === inheritedMetadata.propertyName &&
                    originalMetadata.type === inheritedMetadata.type;
            });
        });
        return originalMetadatas.concat(uniqueInheritedMetadatas);
    };
    /**
     * Gets all validator constraints for the given object.
     */
    MetadataStorage.prototype.getTargetValidatorConstraints = function (target) {
        return this.constraintMetadatas.filter(function (metadata) { return metadata.target === target; });
    };
    return MetadataStorage;
}());
export { MetadataStorage };

//# sourceMappingURL=MetadataStorage.js.map