'use strict';

var LocalServiceRegistry = require('dw/svc/LocalServiceRegistry');

var myService = LocalServiceRegistry.createService('my.service.id', {
    /**
     * Configure the request before it is sent
     * @param {dw.svc.HTTPService} svc - The service instance
     * @param {Object} params - Parameters passed to service.call()
     * @returns {string} Request body
     */
    createRequest: function (svc, params) {
        svc.setRequestMethod('POST');
        svc.addHeader('Content-Type', 'application/json');
        return JSON.stringify(params);
    },

    /**
     * Parse the response after a successful call
     * @param {dw.svc.HTTPService} svc - The service instance
     * @param {dw.net.HTTPClient} client - The HTTP client with response
     * @returns {Object} Parsed response
     */
    parseResponse: function (svc, client) {
        return JSON.parse(client.text);
    },

    /**
     * Filter sensitive data from logs (required for production)
     * @param {string} msg - The message to filter
     * @returns {string} Filtered message
     */
    filterLogMessage: function (msg) {
        return msg.replace(/("api_key"\s*:\s*")[^"]+"/g, '$1***"');
    }
});

// Call the service
var result = myService.call({ key: 'value' });

if (result.ok) {
    var data = result.object;
} else {
    var error = result.errorMessage;
}

var result = myService.call(params);

if (result.ok) {
    return result.object;
}

// Handle different error types
switch (result.status) {
    case 'SERVICE_UNAVAILABLE':
        switch (result.unavailableReason) {
            case 'RATE_LIMITED':
                // Retry later
                break;
            case 'CIRCUIT_BROKEN':
                // Service is down, use fallback
                break;
            case 'TIMEOUT':
                // Request timed out
                break;
        }
        break;
    case 'ERROR':
        // Check HTTP status code
        if (result.error === 401) {
            // Authentication error
        } else if (result.error === 404) {
            // Resource not found
        }
        break;
}

throw new Error('Service error: ' + result.errorMessage);

var myService = LocalServiceRegistry.createService('my.service', {
    createRequest: function (svc, params) {
        // ... configure request
    },

    parseResponse: function (svc, client) {
        return JSON.parse(client.text);
    },

    /**
     * Filter sensitive data from all log messages
     */
    filterLogMessage: function (msg) {
        // Filter API keys
        msg = msg.replace(/api_key=[^&]+/g, 'api_key=***');
        // Filter authorization headers
        msg = msg.replace(/Authorization:\s*[^\r\n]+/gi, 'Authorization: ***');
        // Filter passwords in JSON
        msg = msg.replace(/("password"\s*:\s*")[^"]+"/g, '$1***"');
        return msg;
    },

    /**
     * Custom request log message (optional)
     */
    getRequestLogMessage: function (request) {
        // Return custom message or null for default
        return 'Request: ' + request.substring(0, 100) + '...';
    },

    /**
     * Custom response log message (optional)
     */
    getResponseLogMessage: function (response) {
        // Return custom message or null for default
        return 'Response received';
    }
});

var myService = LocalServiceRegistry.createService('my.service', {
    createRequest: function (svc, params) {
        svc.setRequestMethod('GET');
        svc.addParam('id', params.id);
        return null;
    },

    parseResponse: function (svc, client) {
        return JSON.parse(client.text);
    },

    /**
     * Mock the execute phase only (createRequest and parseResponse still run)
     */
    mockCall: function (svc, request) {
        return {
            statusCode: 200,
            text: JSON.stringify({ id: 1, name: 'Mock Data' })
        };
    },

    /**
     * Or mock the entire call (replaces all phases)
     */
    mockFull: function (svc, params) {
        return { id: params.id, name: 'Full Mock Data' };
    }
});

// Force mock mode
myService.setMock();
var result = myService.call({ id: 123 });