/*
 * @file ai_common.cpp
 * @brief Shared utility implementations for AI provider plugins.
 * AI 提供者插件的共享工具函数实现。
 * Copyright (c) 2026 dstalk contributors. GPLv3.
 */

#include "ai_common.hpp"

namespace dstalk_ai {

void secure_zero(void* p, size_t n) {
    volatile char* vp = static_cast<volatile char*>(p);
    while (n--) *vp++ = 0;
}

bool extract_host_port(const std::string& url,
    std::string& scheme_out, std::string& host_out,
    std::string& port_out, std::string& target_out)
{
    size_t scheme_end = url.find("://");
    if (scheme_end == std::string::npos) return false;
    scheme_out = url.substr(0, scheme_end);
    std::string rest = url.substr(scheme_end + 3);
    size_t slash = rest.find('/');
    std::string authority = (slash != std::string::npos) ? rest.substr(0, slash) : rest;
    target_out = (slash != std::string::npos) ? rest.substr(slash) : "/";
    size_t colon = authority.rfind(':');
    if (colon != std::string::npos) {
        host_out = authority.substr(0, colon);
        port_out = authority.substr(colon + 1);
    } else {
        host_out = authority;
        port_out = (scheme_out == "https") ? "443" : "80";
    }
    return true;
}

} // namespace dstalk_ai