"use strict";
const _ = require('../../lodash'), sanitize = require('./util').sanitize, path = require('path');
/**
 * parses body of request when type of the request body is formdata or urlencoded and
 * returns code snippet for nodejs to add body
 *
 * @param {Array<Object>} dataArray - array containing body elements of request
 * @param {String} indentString - string required for indentation
 * @param {Boolean} trimBody - indicates whether to trim body or not
 */
function extractFormData(dataArray, indentString, trimBody) {
    if (!dataArray) {
        return '';
    }
    var snippetString = _.reduce(dataArray, (accumalator, item) => {
        if (item.disabled) {
            return accumalator;
        }
        accumalator.push(indentString + `'${sanitize(item.key, trimBody)}': '${sanitize(item.value, trimBody)}'`);
        return accumalator;
    }, []);
    return snippetString.join(',\n');
}
/**
 * Generates multipart form data snippet
 *
 * @param {*} requestbody
 */
function generateMultipartFormData(requestbody) {
    const boundary = '------WebKitFormBoundary7MA4YWxkTrZu0gW\\r\\nContent-Disposition: form-data; ', dataArray = requestbody[requestbody.mode];
    var postData = '';
    if (dataArray.length) {
        postData = '"' + boundary + _.reduce(dataArray, (accumalator, dataArrayElement) => {
            if (!dataArrayElement.disabled || dataArrayElement.disabled === false) {
                const key = dataArrayElement.key.replace(/"/g, '\'');
                if (dataArrayElement.type === 'file') {
                    var pathArray = dataArrayElement.src.split(path.sep), fileName = pathArray[pathArray.length - 1];
                    const filename = `filename=\\"${fileName}\\"`, contentType = 'Content-Type: \\"{Insert_File_Content_Type}\\"', fileContent = `fs.readFileSync('${dataArrayElement.src}')`;
                    // eslint-disable-next-line max-len
                    accumalator.push(`name=\\"${key}\\"; ${filename}\\r\\n${contentType}\\r\\n\\r\\n" + ${fileContent} + "\\r\\n`);
                }
                else {
                    // eslint-disable-next-line no-useless-escape
                    const value = String(dataArrayElement.value).replace(/\\/g, '\\\\').replace(/"/g, '\\"');
                    let field = `name=\\"${key}\\"\\r\\n`;
                    if (dataArrayElement.contentType) {
                        field += `Content-Type: ${dataArrayElement.contentType}\\r\\n`;
                    }
                    field += `\\r\\n${value}\\r\\n`;
                    accumalator.push(field);
                }
            }
            return accumalator;
            // eslint-disable-next-line no-useless-escape
        }, []).join(`${boundary}`) + '------WebKitFormBoundary7MA4YWxkTrZu0gW--\"';
    }
    return postData;
}
/**
 * Parses body object based on mode of body and returns code snippet
 *
 * @param {Object} requestbody - json object for body of request
 * @param {String} indentString - string for indentation
 * @param {Boolean} trimBody - indicates whether to trim body fields or not
 * @param {String} contentType Content type of the body being sent
 */
function parseBody(requestbody, indentString, trimBody, contentType) {
    if (requestbody) {
        switch (requestbody.mode) {
            case 'raw':
                // Match any application type whose underlying structure is json
                // For example application/vnd.api+json
                // All of them have +json as suffix
                if (contentType && (contentType === 'application/json' || contentType.match(/\+json$/))) {
                    try {
                        let jsonBody = JSON.parse(requestbody[requestbody.mode]);
                        return `JSON.stringify(${JSON.stringify(jsonBody)})`;
                    }
                    catch (error) {
                        return ` ${JSON.stringify(requestbody[requestbody.mode])}`;
                    }
                }
                return ` ${JSON.stringify(requestbody[requestbody.mode])}`;
            case 'graphql':
                // eslint-disable-next-line no-case-declarations
                let query = requestbody[requestbody.mode].query, graphqlVariables;
                try {
                    graphqlVariables = JSON.parse(requestbody[requestbody.mode].variables);
                }
                catch (e) {
                    graphqlVariables = {};
                }
                return 'JSON.stringify({\n' +
                    `${indentString}query: \`${query.trim()}\`,\n` +
                    `${indentString}variables: ${JSON.stringify(graphqlVariables)}\n})`;
            case 'formdata':
                return generateMultipartFormData(requestbody);
            case 'urlencoded':
                return `qs.stringify({\n${extractFormData(requestbody[requestbody.mode], indentString, trimBody)}` +
                    '\n})';
            case 'file':
                return '"<file contents here>"';
            default:
                return '';
        }
    }
    return '';
}
/**
 * parses header of request object and returns code snippet of nodejs native to add header
 *
 * @param {Object} request - Postman SDK request object
 * @param {String} indentString - indentation required in code snippet
 * @returns {String} - code snippet of nodejs native to add header
 */
function parseHeader(request, indentString) {
    var headerObject = request.getHeaders({ enabled: true }), isEmptyHeader = !Object.keys(headerObject).length;
    if (isEmptyHeader)
        return '';
    var headerSnippet = indentString + '\'headers\': {\n';
    if (headerObject && Object.keys(headerObject).length) {
        headerSnippet += _.reduce(Object.keys(headerObject), function (accumalator, key) {
            if (Array.isArray(headerObject[key])) {
                var headerValues = [];
                _.forEach(headerObject[key], (value) => {
                    headerValues.push(`'${sanitize(value)}'`);
                });
                accumalator.push(indentString.repeat(2) + `'${sanitize(key, true)}': [${headerValues.join(', ')}]`);
            }
            else {
                accumalator.push(indentString.repeat(2) + `'${sanitize(key, true)}': '${sanitize(headerObject[key])}'`);
            }
            return accumalator;
        }, []).join(',\n');
    }
    if (headerObject && !_.isEmpty(headerObject)) {
        headerSnippet += '\n';
    }
    headerSnippet += indentString + '}';
    return headerSnippet;
}
module.exports = {
    parseBody: parseBody,
    parseHeader: parseHeader
};