#include "handle.h"
#include <fstream>
#include <iostream>
#include <memory>
#include <nlohmann/json.hpp>
#include <xlnt/xlnt.hpp>
#include <thread>

// #include <filesystem>
using json = nlohmann::json;
// namespace fs = std::filesystem;

struct TResult {
    std::string source;
    std::string ret;
};

bool parse_result(const std::string& str, std::string& out)
{
    try {
        json j = json::parse(str);
        auto trans_result = j["trans_result"];
        for (const auto& result : trans_result) {
            out = result["dst"];
            break;
        }
        return true;
    } catch (const std::exception& e) {
        std::cerr << "Error parsing JSON: " << e.what() << std::endl;
        return false;
    }
}

int main(int argc, char* argv[])
{
    if (argc < 2) {
        std::cout << "Second parm is file name(find in current director)." << std::endl;
        return 0;
    }

    std::string file_name(argv[1]);
    std::cout << "Will Parse:" << file_name << std::endl;
    ConfigInfo base_info;
    auto config = std::make_shared<CConfig>();
    if (!config->parse_config(base_info, "fanyi.ini")) {
        std::cerr << "Parse fanyi.ini failed, Please Check!" << std::endl;
        return -1;
    }
    std::cout << "BaseURL:" << base_info.baseUrl << "\n";
    std::cout << "AppID:" << base_info.appID << "\n";
    std::cout << "SecretID:" << base_info.secretID << std::endl;

    auto https = std::make_shared<CHttpsHandle>();
    auto trans_tool = std::make_shared<CTransTool>();
    trans_tool->set_id(base_info.appID, base_info.secretID);

    auto trans = [&](const std::string& words, std::string& out) -> bool {
        std::string request_url = base_info.baseUrl + trans_tool->combine(words, "auto", "en");
        std::string response = https->sendGetRequest(request_url);
        if (response.empty()) {
            return false;
        }
        return parse_result(response, out);
    };

    // 读取文件
    std::ifstream in(file_name);
    if (!in.is_open()) {
        std::cerr << "File Open Failed:" << file_name << std::endl;
        return -1;
    }
    std::vector<TResult> vec;
    std::string line;
    while (std::getline(in, line)) {
        if (line.empty()) {
            continue;
        }
        std::string ret;
        std::cout << "翻译：" << line << std::endl;
        if (!trans(line, ret)) {
            vec.emplace_back(TResult{line, "Failed"});
        } else {
            vec.emplace_back(TResult{line, ret});
        }
        std::this_thread::sleep_for(std::chrono::seconds(1));
    }
    in.close();

    if (vec.empty()) {
        std::cout << "vec is empty." << std::endl;
        return -1;
    }

    xlnt::workbook wb;
    xlnt::worksheet ws = wb.active_sheet();
    int row = 1;
    for (const auto& item : vec) {
        ws.cell(1, row).value(item.source);
        ws.cell(2, row).value(item.ret);
        ++row;
    }
    wb.save("out.xlsx");
    return 0;
}