/**************************************************************************/
/*  aethex_telemetry.cpp                                                  */
/**************************************************************************/
/*                       AeThex Engine                                    */
/*                    https://aethex.dev                                  */
/**************************************************************************/

#include "aethex_telemetry.h"
#include "aethex_cloud.h"
#include "core/io/http_client.h"
#include "core/os/os.h"
#include "core/os/time.h"
#include "core/version.h"

void AethexTelemetry::_bind_methods() {
    ClassDB::bind_method(D_METHOD("set_enabled", "enabled"), &AethexTelemetry::set_enabled);
    ClassDB::bind_method(D_METHOD("is_enabled"), &AethexTelemetry::is_enabled);

    ClassDB::bind_method(D_METHOD("track_event", "event_name", "properties"), &AethexTelemetry::track_event, DEFVAL(Dictionary()));
    ClassDB::bind_method(D_METHOD("track_screen", "screen_name"), &AethexTelemetry::track_screen);
    ClassDB::bind_method(D_METHOD("track_error", "error", "stack_trace"), &AethexTelemetry::track_error, DEFVAL(""));
    ClassDB::bind_method(D_METHOD("report_crash", "message", "stack_trace", "context"), &AethexTelemetry::report_crash, DEFVAL(Dictionary()));

    ClassDB::bind_method(D_METHOD("flush"), &AethexTelemetry::flush);

    ADD_PROPERTY(PropertyInfo(Variant::BOOL, "enabled"), "set_enabled", "is_enabled");
}

AethexTelemetry::AethexTelemetry() {
}

AethexTelemetry::~AethexTelemetry() {
    // Flush remaining events on shutdown
    if (!event_buffer.is_empty()) {
        flush();
    }
}

void AethexTelemetry::set_cloud(AethexCloud *p_cloud) {
    cloud = p_cloud;
}

void AethexTelemetry::set_enabled(bool p_enabled) {
    enabled = p_enabled;
}

bool AethexTelemetry::is_enabled() const {
    return enabled;
}

void AethexTelemetry::track_event(const String &p_event_name, const Dictionary &p_properties) {
    if (!enabled || !cloud) {
        return;
    }

    Dictionary event;
    event["name"] = p_event_name;
    event["properties"] = p_properties;
    event["timestamp"] = Time::get_singleton()->get_datetime_string_from_system(true);
    event["platform"] = OS::get_singleton()->get_name();
    event["engineVersion"] = AETHEX_VERSION_FULL_CONFIG;

    event_buffer.push_back(event);

    // Auto-flush if buffer is full
    if (event_buffer.size() >= buffer_size) {
        flush();
    }
}

void AethexTelemetry::track_screen(const String &p_screen_name) {
    Dictionary props;
    props["screen"] = p_screen_name;
    track_event("screen_view", props);
}

void AethexTelemetry::track_error(const String &p_error, const String &p_stack_trace) {
    Dictionary props;
    props["error"] = p_error;
    props["stack_trace"] = p_stack_trace;
    track_event("error", props);
}

void AethexTelemetry::report_crash(const String &p_message, const String &p_stack_trace, const Dictionary &p_context) {
    if (!cloud) {
        return;
    }

    Dictionary data;
    data["message"] = p_message;
    data["stackTrace"] = p_stack_trace;
    data["context"] = p_context;
    data["platform"] = OS::get_singleton()->get_name();
    data["engineVersion"] = AETHEX_VERSION_FULL_CONFIG;
    data["timestamp"] = Time::get_singleton()->get_datetime_string_from_system(true);

    // Crash reports are sent immediately, not buffered
    cloud->make_request("/api/telemetry/crash", HTTPClient::METHOD_POST, data);
}

void AethexTelemetry::flush() {
    if (!cloud || event_buffer.is_empty()) {
        return;
    }

    // Send all buffered events
    for (int i = 0; i < event_buffer.size(); i++) {
        cloud->make_request("/api/telemetry/event", HTTPClient::METHOD_POST, event_buffer[i]);
    }

    event_buffer.clear();
    time_since_flush = 0.0;
}

void AethexTelemetry::process(double p_delta) {
    if (!enabled) {
        return;
    }

    time_since_flush += p_delta;

    // Auto-flush periodically
    if (time_since_flush >= flush_interval && !event_buffer.is_empty()) {
        flush();
    }
}