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/*******************************************************************************
 * Copyright (C) 2022-2023 WaveMaker, Inc.
 *
 * Licensed 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.
 ******************************************************************************/

package com.wavemaker.runtime.rest;

import java.util.Base64;

import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;

public class RequestContext {

    private MultiValueMap headers;
    private MultiValueMap queryParams;

    public RequestContext(MultiValueMap headers, MultiValueMap queryParams) {
        this.headers = headers;
        this.queryParams = queryParams;
    }

    public MultiValueMap getHeaders() {
        return headers;
    }

    public MultiValueMap getQueryParams() {
        return queryParams;
    }

    public static class Builder {
        private MultiValueMap headers = new LinkedMultiValueMap<>();
        private MultiValueMap queryParams = new LinkedMultiValueMap<>();

        private Builder() {
        }

        public static Builder newInstance() {
            return new Builder();
        }

        public Builder addHeader(String key, String value) {
            headers.add(key, value);
            return this;
        }

        public Builder addJwtToken(String token) {
            headers.set("Authorization", "Bearer " + token);
            return this;
        }

        public Builder addBasicAuth(String username, String password) {
            headers.add("Authorization", "Basic " + new String(Base64.getEncoder()
                .encode(new StringBuilder().append(username).append(':').append(password).toString().getBytes())));
            return this;
        }

        public Builder addQueryParam(String key, String value) {
            queryParams.add(key, value);
            return this;
        }

        public RequestContext build() {
            return new RequestContext(headers, queryParams);
        }

    }
}