<?php

declare(strict_types=1);

namespace sammo;

if (PHP_SAPI !== 'cli' || getenv('REF_DETERMINISTIC_INSTALL_ENABLED') !== '1') {
    http_response_code(404);
    exit(1);
}

chdir(dirname(__DIR__));
require_once 'lib.php';
require_once 'func.php';

$request = json_decode(stream_get_contents(STDIN), true, flags: JSON_THROW_ON_ERROR);
$generalIds = $request['generalIds'] ?? null;
if (!is_array($generalIds) || $generalIds === []) {
    throw new \InvalidArgumentException('generalIds must be a non-empty array');
}

$db = DB::db();
$gameStorage = KVStorage::getStorage($db, 'game_env');
$env = $gameStorage->getAll(true);
$result = [];
$includeNation = ($request['includeNation'] ?? false) === true;
foreach ($generalIds as $generalId) {
    if (!is_int($generalId) || $generalId < 1) {
        throw new \InvalidArgumentException('generalIds must contain positive integers');
    }
    $general = General::createObjFromDB($generalId);
    if ($general->getNPCType() < 2) {
        throw new \InvalidArgumentException("general {$generalId} is not an NPC");
    }
    $ai = new GeneralAI($general);
    $nationDecision = null;
    if ($includeNation && $general->getNationID() !== 0 && $general->getVar('officer_level') >= 5) {
        $nationStorage = KVStorage::getStorage($db, $general->getNationID(), 'nation_env');
        $lastNationTurn = LastTurn::fromRaw($nationStorage->getValue("turn_last_{$general->getVar('officer_level')}"));
        $reservedNation = buildNationCommandClass(null, $general, $env, $lastNationTurn);
        $selectedNation = $ai->chooseNationTurn($reservedNation);
        $nationDecision = [
            'action' => $selectedNation->getRawClassName(),
            'args' => $selectedNation->getArg(),
            'reason' => $selectedNation->reason,
        ];
    }
    $reserved = $general->getReservedTurn(0, $env);
    $selected = $ai->chooseGeneralTurn($reserved);
    $result[] = [
        'generalId' => $generalId,
        'name' => $general->getName(),
        'action' => $selected->getRawClassName(),
        'brief' => $selected->getBrief(),
        'args' => $selected->getArg(),
        'reason' => $selected->reason,
        'nationDecision' => $nationDecision,
    ];
}

echo json_encode([
    'year' => (int) $env['year'],
    'month' => (int) $env['month'],
    'decisions' => $result,
], JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES | JSON_THROW_ON_ERROR);