#include "singleton_manager.h"

#include "singleton.h"

bool singleton_initliazer::has_init(singleton* s) {
    return std::ranges::find(singletons_, s) != singletons_.end();
}

void singleton_initliazer::init_singleton(singleton* s) {
    if (!has_init(s)) {
        singletons_.push_back(s);
        s->init(*this);
    }
}

void singleton_manager::add(singleton* s) {
    singletons_.push_back(s);
}

void singleton_manager::init() {
    singleton_initliazer initliazer;
    for (const auto s : singletons_) {
        initliazer.init_singleton(s);
    }
    for (const auto s : singletons_) {
        s->post_init();
    }
    singletons_ = initliazer.singletons_;
}

void singleton_manager::release() const {
    for (int32_t j = singletons_.size() - 1; j >= 0; --j) {
        auto s = singletons_[j];
        s->begin_release();
    }
    for (int32_t j = singletons_.size() - 1; j >= 0; --j) {
        auto s = singletons_[j];
        s->release();
    }
}