#include <string.h>

#include "c2.pb.h"
#include "utils.h"
#include "esp_log.h"

static const char *TAG = "PROCESS";

/* =========================================================
 * UNIQUE ENTRY POINT — C2 → ESP
 * ========================================================= */
void process_command(const c2_Command *cmd)
{
    if (!cmd) {
        ESP_LOGE(TAG, "NULL command");
        return;
    }

    /* -----------------------------------------------------
     * Device ID check — allow broadcast (empty device_id)
     * ----------------------------------------------------- */
    if (cmd->device_id[0] != '\0' &&
        strcmp(CONFIG_DEVICE_ID, cmd->device_id) != 0) {
        ESP_LOGW(TAG,
                 "Command not for this device (target=%s, self=%s)",
                 cmd->device_id, CONFIG_DEVICE_ID);
        return;
    }

    /* -----------------------------------------------------
     * Basic validation
     * ----------------------------------------------------- */
    if (cmd->command_name[0] == '\0') {
        msg_error(TAG, "Empty command name", cmd->request_id);
        return;
    }

    ESP_LOGI(TAG,
             "CMD received: %s (argc=%d)",
             cmd->command_name,
             cmd->argv_count);

    /* -----------------------------------------------------
     * Dispatch to command engine
     * ----------------------------------------------------- */
    command_process_pb(cmd);
}