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package com.box.sdk;

import com.eclipsesource.json.Json;
import com.eclipsesource.json.JsonObject;
import java.util.List;
import java.util.Map;

/**
 * Thrown to indicate than an error occured while returning with a response from the Box API.
 */
public class BoxAPIResponseException extends BoxAPIException {
    static final long serialVersionUID = -7515717760101647173L;
    private String message;

    /**
     * Constructs a BoxAPIException that contains detailed message for underlying exception.
     *
     * @param message         a message explaining why the error occurred.
     * @param responseCode    a response code.
     * @param bodyString      a response body.
     * @param responseHeaders response headers.
     */
    public BoxAPIResponseException(
        String message, int responseCode, String bodyString, Map> responseHeaders
    ) {
        super(message, responseCode, bodyString);
        String requestId = "";
        String apiMessage = "";
        JsonObject responseJSON = null;

        this.setHeaders(responseHeaders);

        if (this.getHeaders().containsKey("BOX-REQUEST-ID")) {
            requestId += "." + this.getHeaders().get("BOX-REQUEST-ID").get(0);
        }

        try {
            responseJSON = Json.parse(bodyString).asObject();
        } catch (Exception ex) {
            // Continue because we will construct the exception message below and return it to user.
        }

        if (responseJSON != null) {
            if (responseJSON.get("request_id") != null) {
                requestId = responseJSON.get("request_id").asString() + requestId;
            }

            if (responseJSON.get("code") != null) {
                apiMessage += " " + responseJSON.get("code").asString();
            } else if (responseJSON.get("error") != null) {
                apiMessage += " " + responseJSON.get("error").asString();
            }

            if (responseJSON.get("message") != null) {
                apiMessage += " - " + responseJSON.get("message").asString();
            } else if (responseJSON.get("error_description") != null) {
                apiMessage += " - " + responseJSON.get("error_description").asString();
            }
        }

        if (!requestId.isEmpty()) {
            this.setMessage(message + " [" + responseCode + " | " + requestId + "]"
                + apiMessage);
        } else {
            this.setMessage(message + " [" + responseCode + "]" + apiMessage);
        }
    }

    /**
     * @return The constructed message for the API exception.
     */
    public String getMessage() {
        return this.message;
    }

    /**
     * The message to return for the API exception.
     *
     * @param message the constructed for the API exception.
     */
    protected void setMessage(String message) {
        this.message = message;
    }
}