#include "gui_utils.h"
#include "gui_common.h"
#include "config.h"
#include "utils/strings.h"
#include <windows.h>
#include <commdlg.h>
#include <shlobj.h>
#include <format>

void load_config_file(const std::wstring &path) {
    g_config_path_w = path;
    g_config_path = utils::wstr_to_str(path);
    std::string err;
    if (parse_config(path, g_cfg, &err)) {
        g_log_lines.push_back(std::format("[INFO] Config loaded: {}", g_config_path));
    } else {
        g_log_lines.push_back(std::format("[ERROR] {}", err));
    }
}

std::string open_file_dialog(const char *filter_desc, const char *filter_ext) {
    wchar_t buf[MAX_PATH] = {};
    OPENFILENAMEW ofn = {};
    ofn.lStructSize = sizeof(ofn);
    ofn.lpstrFile = buf;
    ofn.nMaxFile = MAX_PATH;
    ofn.Flags = OFN_FILEMUSTEXIST | OFN_PATHMUSTEXIST;

    std::wstring wfilter = utils::to_wstring(std::string(filter_desc) + '\0' + filter_ext + '\0');
    ofn.lpstrFilter = wfilter.c_str();

    if (GetOpenFileNameW(&ofn))
        return utils::wstr_to_str(buf);
    return {};
}

std::string open_folder_dialog() {
    BROWSEINFOW bi = {};
    bi.hwndOwner = nullptr;
    bi.ulFlags = BIF_RETURNONLYFSDIRS | BIF_NEWDIALOGSTYLE;
    LPITEMIDLIST pidl = SHBrowseForFolderW(&bi);
    if (!pidl) return {};

    wchar_t buf[MAX_PATH] = {};
    if (!SHGetPathFromIDListW(pidl, buf)) return {};
    CoTaskMemFree(pidl);
    return utils::wstr_to_str(buf);
}