<?php

require_once(__DIR__."/libutil.php");
require_once(__DIR__."/libcustomerrorgen.php");

function get_team_info($game, $team_id) {
    //read from cache first
    $cache_file_name=__DIR__."/teaminfo_cache_".$game.".json";
    $cache_file=false;
    if(file_exists($cache_file_name)&&is_readable($cache_file_name)) {
        $cache_file=file_get_contents_with_lock($cache_file_name);
    }

    $cache_file=json_decode($cache_file, true);
    if($cache_file===null) {
        $cache_file=false;
    }

    if($cache_file===false||!array_key_exists($team_id, $cache_file)) {
        require(__DIR__."/libvar_gsec.php");

        if(!array_key_exists($game, $gsecret_l)) {
            gen_error_400("game ".$game." is not found in config file.");
            exit;
        }
        $ginfo=$gsecret_l[$game];
        unset($gsecret_l);

        $url=$ginfo["gurlbase"]."/api/game/".$ginfo["gid"]."/scoreboard";
        $url=preg_replace("#/+#", "/", $url);

        $cu=curl_init($url);
        curl_setopt($cu, CURLOPT_RETURNTRANSFER, true);
        //curl_setopt($cu, CURLOPT_SSL_VERIFYPEER, false);
        //curl_setopt($cu, CURLOPT_SSL_VERIFYHOST, false);
        curl_setopt($cu, CURLOPT_CONNECTTIMEOUT_MS, 2000);
        curl_setopt($cu, CURLOPT_TIMEOUT_MS, 7000);
        $re=curl_exec($cu);
        $err=curl_error($cu);
        curl_close($cu);
        if(strlen($err)>0||$re===false||strlen($re)<=0) {
            gen_error_500("api request failed when trying to fetch team_info: ".$err);
            exit;
        }
        $jo=json_decode($re, true);
        if($jo===null) {
            gen_error_500("api request failed when trying to fetch team_info: cannot decode response as json");
            exit;
        }
        if(!array_key_exists("items", $jo)) {
            gen_error_500("api request failed when trying to fetch team_info: key \"items\" does not exist");
            exit;
        }
        $jo1=[];
        for($a=0; $a<count($jo["items"]); $a++) {
            $jo1["team_".(string)$jo["items"][$a]["id"]]=$jo["items"][$a];
        }
        $cache_file=$jo1;
        unset($jo1);
        unset($jo);
        unset($a);
        file_put_contents_with_lock($cache_file_name, json_encode($cache_file, JSON_UNESCAPED_UNICODE));
    }

    if(!array_key_exists($team_id, $cache_file)) {
        //unexpected logic here... why...
        gen_error_500("unexpected logic: team token is valid, but is not found in team_info");
        exit;
    }
    return $cache_file[$team_id];
}