1 files changed, 37 insertions, 0 deletions
diff --git a/libawl/src/config.zig b/libawl/src/config.zig
new file mode 100644
index 0000000..8b6f147
--- /dev/null
+++ b/libawl/src/config.zig
@@ -0,0 +1,37 @@
+const std = @import("std");
+
+pub const Config = struct {
+    api_key: []const u8,
+    base_url: []const u8,
+    model: []const u8,
+
+    pub const Error = error{MissingApiKey};
+
+    pub fn fromEnv() Error!Config {
+        const api_key_z = std.c.getenv("PANTO_API_KEY") orelse return Error.MissingApiKey;
+        const api_key = std.mem.sliceTo(api_key_z, 0);
+
+        const base_url_z = std.c.getenv("PANTO_BASE_URL") orelse "https://api.openai.com/v1";
+        const base_url = std.mem.sliceTo(base_url_z, 0);
+
+        const model_z = std.c.getenv("PANTO_MODEL") orelse "gpt-4o";
+        const model = std.mem.sliceTo(model_z, 0);
+
+        return Config{
+            .api_key = api_key,
+            .base_url = base_url,
+            .model = model,
+        };
+    }
+};
+
+test "Config - defaults" {
+    const cfg = Config{
+        .api_key = "test-key",
+        .base_url = "https://api.openai.com/v1",
+        .model = "gpt-4o",
+    };
+    try std.testing.expectEqualStrings("test-key", cfg.api_key);
+    try std.testing.expectEqualStrings("https://api.openai.com/v1", cfg.base_url);
+    try std.testing.expectEqualStrings("gpt-4o", cfg.model);
+}