From 015909457fa1de27a6acd7faefcb5bc4f2ef5442 Mon Sep 17 00:00:00 2001
From: Yuzu <yuzu@kirameki.cafe>
Date: Sun, 27 Feb 2022 17:31:38 +0700
Subject: [PATCH] Add Configuration loading and fetching

---
 src/providers/Configuration.ts | 26 ++++++++++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

diff --git a/src/providers/Configuration.ts b/src/providers/Configuration.ts
index 91c1a79..8a59f9f 100644
--- a/src/providers/Configuration.ts
+++ b/src/providers/Configuration.ts
@@ -3,6 +3,7 @@ import path from "path";
 
 import Logger from "../libs/Logger";
 
+const ConfigurationData: any = [];
 class Configuration {
 
     public init(): void {
@@ -12,6 +13,29 @@ class Configuration {
         }
         this.copyExampleIfNotExists("Ping.json");
         this.copyExampleIfNotExists("ServiceAnnouncement.json");
+
+        this.loadConfig("Ping.json");
+        this.loadConfig("ServiceAnnouncement.json");
+    }
+
+    public loadConfig(configFileName: string): void {
+        const dir = path.join(process.cwd(), 'configs/');
+        if (!fs.existsSync(path.join(dir, configFileName))) 
+            throw new Error(`Config file ${configFileName} does not exist`);
+
+        const config = JSON.parse(fs.readFileSync(path.join(dir, configFileName)).toString());
+        ConfigurationData[configFileName.replace(/\.[^/.]+$/, "")] = config;
+    }
+
+    public getConfig(key?: string) {
+        if(!key)
+            return ConfigurationData;
+        else {
+            if(ConfigurationData[key])
+                return ConfigurationData[key];
+            else
+                throw new Error(`No configuration found for ${key}`);
+        }
     }
 
     private copyExampleIfNotExists(file: string): void {
@@ -21,8 +45,6 @@ class Configuration {
         }
     }
 
-    // TODO: Make a real providers like Environment
-
 }
 
 export default new Configuration();