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#include "thing.h"
#include "application.h"
#include <esp_log.h>
#define TAG "Thing"
namespace iot {
static std::map<std::string, std::function<Thing*()>>* thing_creators = nullptr;
void RegisterThing(const std::string& type, std::function<Thing*()> creator) {
if (thing_creators == nullptr) {
thing_creators = new std::map<std::string, std::function<Thing*()>>();
}
(*thing_creators)[type] = creator;
}
Thing* CreateThing(const std::string& type) {
auto creator = thing_creators->find(type);
if (creator == thing_creators->end()) {
ESP_LOGE(TAG, "Thing type not found: %s", type.c_str());
return nullptr;
}
return creator->second();
}
std::string Thing::GetDescriptorJson() {
std::string json_str = "{";
json_str += "\"name\":\"" + name_ + "\",";
json_str += "\"description\":\"" + description_ + "\",";
json_str += "\"properties\":" + properties_.GetDescriptorJson() + ",";
json_str += "\"methods\":" + methods_.GetDescriptorJson();
json_str += "}";
return json_str;
}
std::string Thing::GetStateJson() {
std::string json_str = "{";
json_str += "\"name\":\"" + name_ + "\",";
json_str += "\"state\":" + properties_.GetStateJson();
json_str += "}";
return json_str;
}
void Thing::Invoke(const cJSON* command) {
auto method_name = cJSON_GetObjectItem(command, "method");
auto input_params = cJSON_GetObjectItem(command, "parameters");
try {
auto& method = methods_[method_name->valuestring];
for (auto& param : method.parameters()) {
auto input_param = cJSON_GetObjectItem(input_params, param.name().c_str());
if (param.required() && input_param == nullptr) {
throw std::runtime_error("Parameter " + param.name() + " is required");
}
if (param.type() == kValueTypeNumber) {
param.set_number(input_param->valueint);
} else if (param.type() == kValueTypeString) {
param.set_string(input_param->valuestring);
} else if (param.type() == kValueTypeBoolean) {
param.set_boolean(input_param->valueint == 1);
}
}
Application::GetInstance().Schedule([&method]() {
method.Invoke();
});
} catch (const std::runtime_error& e) {
ESP_LOGE(TAG, "Method not found: %s", method_name->valuestring);
return;
}
}
} // namespace iot