bt & main: Add more properties for adapter

Allow controller to be set in discoverable state.

1 files changed, 69 insertions, 10 deletions

diff --git a/src/main.cc b/src/main.cc
index 494c49c..4555473 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -54,6 +54,14 @@ class Signaler {
   Signaler() = default;
 };
 
+std::optional<bool> match_bool(std::string_view str) {
+  if (str == "true")
+    return true;
+  if (str == "false")
+    return false;
+  return std::nullopt;
+}
+
 class HttpServerDelegate : public http::Server::Delegate {
  public:
   HttpServerDelegate(Api& api, Signaler& signaler)
@@ -64,22 +72,21 @@ class HttpServerDelegate : public http::Server::Delegate {
 
   std::unique_ptr<http::Response> handle(
       http::Request const& request) override {
-    if (request.method() != "GET") {
-      return http::Response::status(http::StatusCode::kMethodNotAllowed);
-    }
-
     if (request.path().starts_with("/api/v1/")) {
       auto path = request.path().substr(8);
       if (path == "status") {
-        json_writer_->clear();
-        json_writer_->start_object();
-        json_writer_->key("status");
-        json_writer_->value("OK");
-        json_writer_->end_object();
-        return http::Response::content(json_tmp_, *json_mimetype_);
+        if (request.method() != "GET") {
+          return http::Response::status(http::StatusCode::kMethodNotAllowed);
+        }
+
+        return status_ok();
       }
 
       if (path == "controller") {
+        if (request.method() != "GET") {
+          return http::Response::status(http::StatusCode::kMethodNotAllowed);
+        }
+
         auto* adapter = api_.adapter();
         json_writer_->clear();
         json_writer_->start_object();
@@ -87,6 +94,11 @@ class HttpServerDelegate : public http::Server::Delegate {
         json_writer_->value(adapter ? adapter->name() : "unknown");
         json_writer_->key("pairable");
         json_writer_->value(adapter ? adapter->pairable() : false);
+        json_writer_->key("discoverable");
+        json_writer_->value(adapter ? adapter->discoverable() : false);
+        json_writer_->key("discoverable_timeout_seconds");
+        json_writer_->value(adapter ? adapter->discoverable_timeout_seconds()
+                                    : 0);
         json_writer_->key("pairing");
         json_writer_->value(adapter ? adapter->pairing() : false);
         json_writer_->end_object();
@@ -94,7 +106,24 @@ class HttpServerDelegate : public http::Server::Delegate {
         return http::Response::content(json_tmp_, *json_mimetype_);
       }
 
+      if (path == "controller/discoverable") {
+        if (request.method() != "POST") {
+          return http::Response::status(http::StatusCode::kMethodNotAllowed);
+        }
+        std::optional<bool> value = match_bool(request.body());
+        auto* adapter = api_.adapter();
+        if (adapter && value.has_value()) {
+          adapter->set_discoverable(value.value());
+          return status_ok();
+        }
+        return status_error("Bad state");
+      }
+
       if (path == "events") {
+        if (request.method() != "GET") {
+          return http::Response::status(http::StatusCode::kMethodNotAllowed);
+        }
+
         auto resp = signaler_.handle(request);
         if (resp)
           return resp;
@@ -106,6 +135,26 @@ class HttpServerDelegate : public http::Server::Delegate {
   }
 
  private:
+  std::unique_ptr<http::Response> status_ok() {
+    json_writer_->clear();
+    json_writer_->start_object();
+    json_writer_->key("status");
+    json_writer_->value("OK");
+    json_writer_->end_object();
+    return http::Response::content(json_tmp_, *json_mimetype_);
+  }
+
+  std::unique_ptr<http::Response> status_error(std::string_view message) {
+    json_writer_->clear();
+    json_writer_->start_object();
+    json_writer_->key("status");
+    json_writer_->value("error");
+    json_writer_->key("message");
+    json_writer_->value(message);
+    json_writer_->end_object();
+    return http::Response::content(json_tmp_, *json_mimetype_);
+  }
+
   Api& api_;
   Signaler& signaler_;
   std::unique_ptr<json::Writer> json_writer_;
@@ -131,6 +180,16 @@ class BluetoothManagerDelegate : public bt::Manager::Delegate, public Api {
     if (adapter) {
       logger_.info(std::format("New adapter: {} [{}]", adapter->name(),
                                adapter->address()));
+
+      // Assuming pairable doesn't have a timeout - make it so.
+      if (adapter_->pairable_timeout_seconds() > 0) {
+        adapter_->set_pairable_timeout_seconds(0);
+      }
+
+      // Assuming discoverable has one
+      if (adapter_->discoverable_timeout_seconds() == 0) {
+        adapter_->set_discoverable_timeout_seconds(180);
+      }
     } else {
       logger_.info("No adapter");
     }