feat: .env config parser

1 files changed, 45 insertions, 0 deletions

diff --git a/src/config.cpp b/src/config.cpp
new file mode 100644
index 0000000..2d1b876
--- /dev/null
+++ b/src/config.cpp
@@ -0,0 +1,45 @@
+#include "config.hpp"
+
+#include <cctype>
+#include <fstream>
+#include <iostream>
+#include <optional>
+#include <sstream>
+#include <string>
+
+namespace bot {
+  std::optional<Configuration> parse_configuration_from_file(
+      const std::string &file_path) {
+    std::ifstream ifs(file_path);
+
+    if (!ifs.is_open()) {
+      std::cerr << "*** Failed to open the configuration file: " << file_path
+                << "!\n";
+      return std::nullopt;
+    }
+
+    Configuration cfg;
+
+    std::string line;
+    while (std::getline(ifs, line, '\n')) {
+      std::istringstream iss(line);
+      std::string key;
+      std::string value;
+
+      std::getline(iss, key, '=');
+      std::getline(iss, value);
+
+      for (char &c : key) {
+        c = tolower(c);
+      }
+
+      if (key == "bot_username") {
+        cfg.bot_username = value;
+      } else if (key == "bot_password") {
+        cfg.bot_password = value;
+      }
+    }
+
+    return cfg;
+  }
+}