/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import {IdentityAssertionProviderConfig} from './identity-assertion-provider-config';
import {ValidationUtils} from '../utils/validation-utils';

export class DefaultIdAssertionProviderConfig extends IdentityAssertionProviderConfig {

    private static PRINCIPAL_MAPPING = 'Principal Mapping';
    private static GROUP_PRINCIPAL_MAPPING = 'Group Principal Mapping';

    private static displayPropertyNames = [DefaultIdAssertionProviderConfig.PRINCIPAL_MAPPING,
        DefaultIdAssertionProviderConfig.GROUP_PRINCIPAL_MAPPING
    ];

    private static displayPropertyNameBindings: Map<string, string> =
        new Map([
            [DefaultIdAssertionProviderConfig.PRINCIPAL_MAPPING, 'principal.mapping'],
            [DefaultIdAssertionProviderConfig.GROUP_PRINCIPAL_MAPPING, 'group.principal.mapping']
        ]);

    constructor() {
        console.debug('new DefaultIdAssertionProviderConfig()');
        super('Default');
    }

    getDisplayPropertyNames(): string[] {
        return DefaultIdAssertionProviderConfig.displayPropertyNames;
    }

    getDisplayNamePropertyBinding(name: string) {
        return DefaultIdAssertionProviderConfig.displayPropertyNameBindings.get(name);
    }

    isValidParamValue(paramName: string): boolean {
        let isValid: boolean;

        switch (paramName) {
            case DefaultIdAssertionProviderConfig.PRINCIPAL_MAPPING:
            case DefaultIdAssertionProviderConfig.GROUP_PRINCIPAL_MAPPING:
                isValid = this.isValidPrincipalMapping(paramName);
                break;
            default:
                isValid = true;
        }

        return isValid;
    }

    private isValidPrincipalMapping(param: string) {
        let isValid = true;

        let mapping = this.getParam(this.getDisplayNamePropertyBinding(param));
        if (mapping) {
            isValid = ValidationUtils.isValidPrincipalMapping(mapping);
            if (!isValid) {
                console.debug(param + ' value is not a valid principal mapping.');
            }
        }

        return isValid;
    }

}