#include "config.hpp"
#include <fstream>
#include <filesystem>

#ifdef _WIN32
#include <Windows.h>
#endif

namespace devour {

static UnlockConfig g_config;

UnlockConfig& Config::get() { return g_config; }

std::string Config::defaultPath() {
#ifdef _WIN32
    char buf[MAX_PATH]{};
    if (GetModuleFileNameA(nullptr, buf, MAX_PATH)) {
        std::filesystem::path exe(buf);
        return (exe.parent_path() / "DevourUnlocker.json").string();
    }
#endif
    return "DevourUnlocker.json";
}

std::vector<std::string> Config::allRobes() {
    return {
        "StraightJacket","Patchwork","CherryBlossom","Eggs","Poison","Web",
        "TownHard","TownNightmare","TownBooks","Horseshoes",
        "SlaughterhouseHard","SlaughterhouseNightmare","SlaughterhousePigs","BarbedWires",
        "Golden","ManorHard","ManorNightmare","ManorHeadsBuried","Feathers",
        "CarnivalHard","CarnivalNightmare","CarnivalDollHeads","Tickets",
        "Rose","Fire","Inmate","Electric","BlackWithGoldTrim","Hard","Nightmare"
    };
}

std::vector<std::string> Config::allCharacters() {
    return {"Molly","Nathan","Sam","Zara","Cultist","Kai","Anna","April","Frank"};
}
std::vector<std::string> Config::allPerks() {
    return {
        "Acceleration","Aftershock","Conservationist","Crawler","DuracellBunny","Evader",
        "FastWorker","FieldMedic","FirstResponder","FullyCharged","Immune","Inspired",
        "Keymaster","LongSighted","Patient","PowerfulInsight","Quartermaster","Regeneration",
        "Repellent","Speedy","SpeedWalker","StayBack","SupplyRunner","Tamed","Teamwork",
        "TeamLeader","Trapper","UnderPressure","CrawlerVent","ConservationistHard","PatientHard",
        "RegenerationHard"
    };
}
std::vector<std::string> Config::allPets() {
    return {"Crow","Pig","Goat","Rat","Spider","Cat","Pug"};
}
std::vector<std::string> Config::allFlashlights() {
    return {"Basic","UV","Battery","Gold","Carnival","Manor","Hospital","Infinity"};
}
std::vector<std::string> Config::allEmotes() {
    return {"Wave","Dance","Sit","Point","Laugh","Cry","Angry","Cheer","Clap","Taunt","Shrug","Bow"};
}
std::vector<std::string> Config::allOutfits() {
    return {"Default","Formal","Casual","Winter","Summer","Anniversary","Hard","Nightmare"};
}

bool Config::load(const std::string& path) {
    std::ifstream f(path);
    if (!f) return false;
    std::string content((std::istreambuf_iterator<char>(f)), {});
    // Minimal JSON parse — avoid nlohmann dep for portability
    auto has = [&](const char* key, bool def) -> bool {
        auto pos = content.find(std::string("\"") + key + "\"");
        if (pos == std::string::npos) return def;
        auto colon = content.find(':', pos);
        if (colon == std::string::npos) return def;
        auto v = content.substr(colon+1, 20);
        if (v.find("true") != std::string::npos) return true;
        if (v.find("false") != std::string::npos) return false;
        return def;
    };
    g_config.unlockRobes = has("unlockRobes", true);
    g_config.unlockCharacters = has("unlockCharacters", true);
    g_config.unlockPerks = has("unlockPerks", true);
    g_config.unlockFlashlights = has("unlockFlashlights", true);
    g_config.unlockEmotes = has("unlockEmotes", true);
    g_config.unlockPets = has("unlockPets", true);
    g_config.unlockOutfits = has("unlockOutfits", true);
    g_config.guiVisible = has("guiVisible", true);
    return true;
}

bool Config::save(const std::string& path) {
    std::ofstream f(path);
    if (!f) return false;
    auto& c = g_config;
    f << "{\n";
    f << "  \"unlockRobes\": " << (c.unlockRobes?"true":"false") << ",\n";
    f << "  \"unlockCharacters\": " << (c.unlockCharacters?"true":"false") << ",\n";
    f << "  \"unlockPerks\": " << (c.unlockPerks?"true":"false") << ",\n";
    f << "  \"unlockFlashlights\": " << (c.unlockFlashlights?"true":"false") << ",\n";
    f << "  \"unlockEmotes\": " << (c.unlockEmotes?"true":"false") << ",\n";
    f << "  \"unlockPets\": " << (c.unlockPets?"true":"false") << ",\n";
    f << "  \"unlockOutfits\": " << (c.unlockOutfits?"true":"false") << ",\n";
    f << "  \"guiVisible\": " << (c.guiVisible?"true":"false") << "\n";
    f << "}\n";
    return true;
}

} // namespace devour