#include "ExperienceLibrary.hpp"
#include "../PkmnScriptHook.hpp"
#include "../Pokemon/Pokemon.hpp"

void PkmnLib::Battling::ExperienceLibrary::HandleExperienceGain(
    CreatureLib::Battling::Creature* faintedMon,
    const std::unordered_set<CreatureLib::Battling::Creature*>& opponents) const {

    auto fainted = dynamic_cast<Pokemon*>(faintedMon);
    auto expGain = fainted->GetForme()->GetBaseExperience();
    auto level = fainted->GetLevel();
    // TODO exp share

    auto v1 = (expGain * level) / 5;

    for (auto op : opponents) {
        if (!op->AllowedExperienceGain())
            continue;
        auto v2 = pow(2 * level + 10, 2.5) / pow(level + op->GetLevel() + 10, 2.5);
        uint32_t experienceGain = v1 * v2 + 1;
        // TODO: Check owner and international
        PKMN_HOOK(ModifyExperienceGain, op, faintedMon, op, experienceGain);
        op->AddExperience(experienceGain);
    }
}