// Copyright (c) Microsoft Corporation.
// Licensed under the MIT license.
/**
 * @internal
 * Retrieves the value to use for a given operation argument
 * @param operationArguments - The arguments passed from the generated client
 * @param parameter - The parameter description
 * @param fallbackObject - If something isn't found in the arguments bag, look here.
 *  Generally used to look at the service client properties.
 */
export function getOperationArgumentValueFromParameter(operationArguments, parameter, fallbackObject) {
    let parameterPath = parameter.parameterPath;
    const parameterMapper = parameter.mapper;
    let value;
    if (typeof parameterPath === "string") {
        parameterPath = [parameterPath];
    }
    if (Array.isArray(parameterPath)) {
        if (parameterPath.length > 0) {
            if (parameterMapper.isConstant) {
                value = parameterMapper.defaultValue;
            }
            else {
                let propertySearchResult = getPropertyFromParameterPath(operationArguments, parameterPath);
                if (!propertySearchResult.propertyFound && fallbackObject) {
                    propertySearchResult = getPropertyFromParameterPath(fallbackObject, parameterPath);
                }
                let useDefaultValue = false;
                if (!propertySearchResult.propertyFound) {
                    useDefaultValue =
                        parameterMapper.required ||
                            (parameterPath[0] === "options" && parameterPath.length === 2);
                }
                value = useDefaultValue ? parameterMapper.defaultValue : propertySearchResult.propertyValue;
            }
        }
    }
    else {
        if (parameterMapper.required) {
            value = {};
        }
        for (const propertyName in parameterPath) {
            const propertyMapper = parameterMapper.type.modelProperties[propertyName];
            const propertyPath = parameterPath[propertyName];
            const propertyValue = getOperationArgumentValueFromParameter(operationArguments, {
                parameterPath: propertyPath,
                mapper: propertyMapper,
            }, fallbackObject);
            if (propertyValue !== undefined) {
                if (!value) {
                    value = {};
                }
                value[propertyName] = propertyValue;
            }
        }
    }
    return value;
}
function getPropertyFromParameterPath(parent, parameterPath) {
    const result = { propertyFound: false };
    let i = 0;
    for (; i < parameterPath.length; ++i) {
        const parameterPathPart = parameterPath[i];
        // Make sure to check inherited properties too, so don't use hasOwnProperty().
        if (parent && parameterPathPart in parent) {
            parent = parent[parameterPathPart];
        }
        else {
            break;
        }
    }
    if (i === parameterPath.length) {
        result.propertyValue = parent;
        result.propertyFound = true;
    }
    return result;
}
const operationRequestMap = new WeakMap();
const originalRequestSymbol = Symbol.for("@azure/core-client original request");
function hasOriginalRequest(request) {
    return originalRequestSymbol in request;
}
export function getOperationRequestInfo(request) {
    if (hasOriginalRequest(request)) {
        return getOperationRequestInfo(request[originalRequestSymbol]);
    }
    let info = operationRequestMap.get(request);
    if (!info) {
        info = {};
        operationRequestMap.set(request, info);
    }
    return info;
}
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