From 4c68abe5ab103c14c8ace5b8424d36057383c17a Mon Sep 17 00:00:00 2001
From: Tanmoy Sen Gupta <tanmoysps@gmail.com>
Date: Sun, 22 May 2022 11:03:00 +0000
Subject: [PATCH] Added Monitor Config Parser - #39

---
 libraries/js/logsmith/logsmith.js             |  3 +
 .../js/logsmith/monitor/monitorConfigs.js     | 61 +++++++++++++++++--
 2 files changed, 60 insertions(+), 4 deletions(-)

diff --git a/libraries/js/logsmith/logsmith.js b/libraries/js/logsmith/logsmith.js
index f011627..8689a4e 100644
--- a/libraries/js/logsmith/logsmith.js
+++ b/libraries/js/logsmith/logsmith.js
@@ -2,6 +2,7 @@ import * as path from 'path';
 import compile from 'string-template/compile.js';
 import { loggerRunner } from './lib/drivers.js';
 import { readConfigFile } from './lib/fetchConfigs.js';
+import { getMonitorConfigs } from './monitor/monitorConfigs.js';
 import { LogFormats, LogLevels, DefaultLogStatementPattern } from './lib/specs.js';
 
 
@@ -24,11 +25,13 @@ export default class Logsmith {
             this.logFormat = Object.values(LogFormats).includes(configs.logFormat) ? configs.logFormat : LogFormats.JSON
             this.logStatementPattern = configs.logStatementPattern || DefaultLogStatementPattern
             this.compiledLogPattern = compile(this.logStatementPattern)
+            this.monitorConfigs = getMonitorConfigs(configs)
         } else {
             return Error("File format error. Should be json or env.")
         }
     }
 
+
     INFO(log) {
         loggerRunner(
             LogLevels.INFO,
diff --git a/libraries/js/logsmith/monitor/monitorConfigs.js b/libraries/js/logsmith/monitor/monitorConfigs.js
index 868b27e..671fd40 100644
--- a/libraries/js/logsmith/monitor/monitorConfigs.js
+++ b/libraries/js/logsmith/monitor/monitorConfigs.js
@@ -1,4 +1,57 @@
-export function getMonitorConfigs(params) {
-    var monitorAddresses = []
-    
-}
\ No newline at end of file
+import compile from "string-template/compile.js"
+
+const URITemplate = compile("{0}:{1}");
+const DefaultPublisherTemplate = {
+    Origin: compile("app.{0}.com"),
+    Description: compile("Logs Published by {0}")
+}
+const DefaultContextTemplate = {
+    Origin: compile("app.{0}.com/{1}"),
+    Description: compile("Log Published by {0} to context {1}"),
+    Kind: {
+        logs: []
+    }
+}
+
+function formatPublisherConfig(monitorConfig) {
+    const publisherConfig = {}
+    publisherConfig.publisher = monitorConfig.publisher || process.env.PUBLISHER
+    publisherConfig.origin = monitorConfig.origin || DefaultPublisherTemplate.Origin(publisherConfig.publisher)
+    publisherConfig.description = monitorConfig.description || DefaultPublisherTemplate.Description(publisherConfig.publisher)
+    return publisherConfig
+}
+
+function formatCotextConfig(publisher, monitorConfig) {
+    const contextConfig = {}
+    contextConfig.context = monitorConfig.context || process.env.CONTEXT
+    contextConfig.origin = monitorConfig.origin || DefaultContextTemplate.Origin(publisher, contextConfig.context)
+    contextConfig.description = monitorConfig.description || DefaultPublisherTemplate.Description(publisher, contextConfig.context)
+    contextConfig.kind = monitorConfig.kind || DefaultContextTemplate.Kind
+    return contextConfig
+}
+
+export function getMonitorConfigs(config) {
+    const monitorConfigs = {}
+    monitorConfigs.monitorPort = config.MONITOR.port || process.env.MONITOR_PORT
+    monitorConfigs.monitorURI = config.MONITOR.server || process.env.MONITOR_URI
+    monitorConfigs.monitorListener = URITemplate(monitorConfigs.monitorURI, monitorConfigs.monitorPort) || process.env.LISTENER
+    monitorConfigs.publisher = formatPublisherConfig(config.MONITOR.publisher)
+    monitorConfigs.context = formatCotextConfig(monitorConfigs.publisher.publisher, config.MONITOR.context)
+    return monitorConfigs
+}
+
+// can be used for test
+// console.log(
+//     getMonitorConfigs({
+//         MONITOR: {
+//             port: "8080",
+//             server: "localhost",
+//             publisher: {
+//                 publisher: "test"
+//             },
+//             context: {
+//                 context: "testcon"
+//             }
+//         }
+//     })
+// )
\ No newline at end of file