/*
    SWR INI Tool - Switchroot INI Configuration Editor
    Copyright (C) 2026 Switchroot
*/

#include "app_config.h"
#include "ini_handler.h"

#include <sys/stat.h>
#include <cstring>

// Create parent directories for a file path
static void ensureParentDir(const std::string& filePath)
{
    std::string dir = filePath;
    size_t pos = dir.find_last_of('/');
    if (pos == std::string::npos)
        return;
    dir = dir.substr(0, pos);

    // Simple recursive mkdir
    for (size_t i = 1; i < dir.size(); i++)
    {
        if (dir[i] == '/')
        {
            std::string sub = dir.substr(0, i);
            mkdir(sub.c_str(), 0755);
        }
    }
    mkdir(dir.c_str(), 0755);
}

AppConfig& AppConfig::get()
{
    static AppConfig instance;
    return instance;
}

AppConfig::AppConfig()
{
    // Defaults
    paths[(int)OsTarget::ANDROID] = DEFAULT_ANDROID_INI;
    paths[(int)OsTarget::LINUX]   = DEFAULT_LINUX_INI;
    paths[(int)OsTarget::LAKKA]   = DEFAULT_LAKKA_INI;
}

void AppConfig::load()
{
    IniHandler cfg;
    if (!cfg.load(APP_CONFIG_PATH))
        return; // use defaults

    std::string val;

    val = cfg.get("paths", "android");
    if (!val.empty()) paths[(int)OsTarget::ANDROID] = val;

    val = cfg.get("paths", "linux");
    if (!val.empty()) paths[(int)OsTarget::LINUX] = val;

    val = cfg.get("paths", "lakka");
    if (!val.empty()) paths[(int)OsTarget::LAKKA] = val;
}

void AppConfig::save()
{
    ensureParentDir(APP_CONFIG_PATH);

    IniHandler cfg;
    cfg.load(APP_CONFIG_PATH); // load existing or start fresh

    cfg.set("paths", "android", paths[(int)OsTarget::ANDROID]);
    cfg.set("paths", "linux",   paths[(int)OsTarget::LINUX]);
    cfg.set("paths", "lakka",   paths[(int)OsTarget::LAKKA]);

    cfg.save(APP_CONFIG_PATH);
}

std::string AppConfig::getPath(OsTarget target) const
{
    return paths[(int)target];
}

void AppConfig::setPath(OsTarget target, const std::string& path)
{
    paths[(int)target] = path;
}

const char* AppConfig::getLabel(OsTarget target)
{
    switch (target)
    {
        case OsTarget::ANDROID: return "Android";
        case OsTarget::LINUX:   return "Linux";
        case OsTarget::LAKKA:   return "Lakka";
        default:                return "Unknown";
    }
}