<?php
define('AIA_CALENDAR_URL_PREFIX', '/calendar-');
define('AIA_CALENDAR_URL_PATTERN', '/^\/calendar\-[a-j][tmh][0-9]{3}/');
define('STUDENT_KEYCLOAK_USERNAME_PATTERN', '/^[a-z][tmh][0-9]{6}/');
define('MGR_STUDENT_KEYCLOAK_USERNAME_PATTERN', '/^[a-z]m[0-9]{6}/');
define('TECH_STUDENT_KEYCLOAK_USERNAME_PATTERN', '/^[a-z]t[0-9]{6}/');
define('MEDICAL_STUDENT_KEYCLOAK_USERNAME_PATTERN', '/^[a-z]h[0-9]{6}/');
define('INDUSTRIAL_STUDENT_KEYCLOAK_USERNAME_PATTERN', '/^[a-z]g[0-9]{6}/');
define('BUSINESS_STUDENT_USERNAME_PATTERN', '/^[a-z]b[0-9]{6}/');
define('GENERATIVE_AI_USERNAME_PATTERN', '/^[a-z]i[0-9]{6}/');
define('MGR_STUDENT_ACCOUNT_PREFIX_NUMBER', '/[0-9]{3}/');

define('TAIPEI_AREA_CODE', 'a');
define('HSINCHU_AREA_CODE', 'j');
define('TAICHUNG_AREA_CODE', 'b');
define('SOUTH_AREA_CODE', 'e');
define('CORPORATION_AREA_CODE', 'c');#add 'c' for corporation group 2023.01 by ben

define('MEDICAL_XLASS_CODE','h');
define('MGR_XLASS_CODE','m');
define('GENAI_XLASS_CODE','g');
define('BUSINESS_XLASS_CODE','b');
define('TECH_XLASS_CODE','t');

#tester student: at071999 bt071999 am071990 at072999
$ARY_VIDEO_CATEGORY_SLUG = array();
$ARY_VIDEO_CATEGORY_SLUG[TAIPEI_AREA_CODE] = 'taipei';
$ARY_VIDEO_CATEGORY_SLUG[HSINCHU_AREA_CODE]='hsinchu';
$ARY_VIDEO_CATEGORY_SLUG[TAICHUNG_AREA_CODE]='taichung';
$ARY_VIDEO_CATEGORY_SLUG[SOUTH_AREA_CODE]='south';
$ARY_VIDEO_CATEGORY_SLUG[CORPORATION_AREA_CODE]='company';

function get_mgr_video_category_slug($area_code, $join_no='', $xlass=''){ # to also know `get_category_by_slug`
  global$ARY_VIDEO_CATEGORY_SLUG;
  $XLASS_PREFIX_DEFAULT = 'mgr';
  $xlass_prefix = $XLASS_PREFIX_DEFAULT;
  if($xlass==MEDICAL_XLASS_CODE){$xlass_prefix='med';}
  if($xlass==GENAI_XLASS_CODE){$xlass_prefix='genai';}
  if($xlass==BUSINESS_XLASS_CODE){$xlass_prefix='business';}
  if($xlass==TECH_XLASS_CODE){$xlass_prefix='tech';}

  #echo$area_code.'#';
  #print_r(array_keys($ARY_VIDEO_CATEGORY_SLUG));
  if(!in_array($area_code, array_keys($ARY_VIDEO_CATEGORY_SLUG))){return '';}
  if(!$join_no){
    return $xlass_prefix.'-'.$ARY_VIDEO_CATEGORY_SLUG[$area_code].'-video';
  }
  $area = ($area_code==TAIPEI_AREA_CODE ? '' : $ARY_VIDEO_CATEGORY_SLUG[$area_code]);
  if($xlass_prefix!=$XLASS_PREFIX_DEFAULT and $area_code==TAIPEI_AREA_CODE){
    $area = $ARY_VIDEO_CATEGORY_SLUG[TAIPEI_AREA_CODE];
  }
  return $xlass_prefix.($area ? '-'.$area : '')
               .'-video'
               .'-'.$join_no;
}

$ARY_STUDENT_AREA_CODE = array(); # People ID https://imgur.com/a/IJXBMkF
$ARY_STUDENT_AREA_CODE[TAIPEI_AREA_CODE] = '台北';
$ARY_STUDENT_AREA_CODE[HSINCHU_AREA_CODE] = '新竹';
$ARY_STUDENT_AREA_CODE[TAICHUNG_AREA_CODE] = '台中';
$ARY_STUDENT_AREA_CODE[SOUTH_AREA_CODE] = '南部';
$ARY_STUDENT_AREA_CODE[CORPORATION_AREA_CODE] = '企業';

$ARY_STUDENT_XLASS=array();
$ARY_STUDENT_XLASS[MGR_XLASS_CODE] = '經理人班/智慧製造班/企業專班';
$ARY_STUDENT_XLASS[MEDICAL_XLASS_CODE] = '智慧醫療專班';
$ARY_STUDENT_XLASS[BUSINESS_XLASS_CODE] = '企業專班';
$ARY_STUDENT_XLASS[TECH_XLASS_CODE] = '技術專班';
$ARY_STUDENT_XLASS[GENAI_XLASS_CODE] = '生成式AI';

define('EXTRA_MGR_SCHOOL_NO_CONFIG_FILENAME', __DIR__.'/mgr/admin/extra_school_no/1.txt');
function _extra_mgr_text_to_conf($text, $cur_conf=array()){
  $ret = $cur_conf ? $cur_conf : array();
  if(!$text){return$ret;}
  $a = preg_split("/(\r\n|\n|\r)/",$text);
  foreach($a as$v){
    $v=trim($v);
    if(!$v){continue;}
    #why fail? if(strpos(',',$v)===false){continue;}
    $_ = explode(',',$v);
    list($school_no,$area,$join_no)=$_;
    $ret[$school_no]=array('area'=>$area,'join_no'=>$join_no);
  }
  return$ret;
}
$ARY_EXTRA_MGR_SCHOOL_NO_CONFIG = _extra_mgr_text_to_conf(file_exists(EXTRA_MGR_SCHOOL_NO_CONFIG_FILENAME) ? file_get_contents(EXTRA_MGR_SCHOOL_NO_CONFIG_FILENAME) : '');
$ARY_EXTRA_TECH_SCHOOL_NO_CONFIG = array();

function is_staff_can_view_video($wp_user_login=null){ #video.aiacademy.tw only
  if(!$wp_user_login){
    $user = wp_get_current_user();
    if($user){$wp_user_login = $user->user_login;}
  }
  return !!$wp_user_login; # && !in_array($wp_user_login, $ary_parttime); # 20190903 by DH ask & Jock's decision: every staff can view all video
  //$ary_parttime = array('eric8607242','andy6804tw');
  $ary_ta = array(
    'chi','yuchi','wayne'
  );
  $ary_staff_can_view_video = array_merge(array('vansindata'), $ary_ta);
  return in_array($wp_user_login, $ary_staff_can_view_video);
}

#taipei
function is_tp_tech_leader_student($school_no){
  return substr(strtolower($school_no),0,2)==TAIPEI_AREA_CODE.'t';#'at';
}
function is_tp_mgr_student($school_no){
  return substr(strtolower($school_no),0,2)==TAIPEI_AREA_CODE.'m';#'am';
}
function is_tp_medical_student($school_no){
  return substr(strtolower($school_no),0,2)==TAIPEI_AREA_CODE.'h';#'ah';
}

#hsinchu
function is_hc_tech_leader_student($school_no){
  return substr(strtolower($school_no),0,2)==HSINCHU_AREA_CODE.'t';#'jt';
}
function is_hc_mgr_student($school_no){
  return substr(strtolower($school_no),0,2)==HSINCHU_AREA_CODE.'m';#'jm';
}

#taichung
function is_tc_tech_leader_student($school_no){
  return substr(strtolower($school_no),0,2)==TAICHUNG_AREA_CODE.'t';#'bt';
}
function is_tc_mgr_student($school_no){
  global$ARY_EXTRA_MGR_SCHOOL_NO_CONFIG;
  return substr(strtolower($school_no),0,2)==TAICHUNG_AREA_CODE.'m' || isset($ARY_EXTRA_MGR_SCHOOL_NO_CONFIG[$school_no]);
}
function is_tc_medical_student($school_no){
  return substr(strtolower($school_no),0,2)==TAICHUNG_AREA_CODE.'h';
}

#south
function is_st_tech_leader_student($school_no){
  return substr(strtolower($school_no),0,2)==SOUTH_AREA_CODE.'t';
}
function is_st_mgr_student($school_no){
  return substr(strtolower($school_no),0,2)==SOUTH_AREA_CODE.'m';
}
function is_st_medical_student($school_no){
  return substr(strtolower($school_no),0,2)==SOUTH_AREA_CODE.'h';
}
#----------END of is_XX_YYY_studnet functions.

if($_SERVER['SERVER_NAME']!=='video.aiacademy.tw'){
$ARY_PARTNER_KEYCLOAK = array(); #deprecated
}else{
$ARY_PARTNER_KEYCLOAK = array( #deprecated
  'fpccomtw'=>array('area'=>TAIPEI_AREA_CODE, 'joinno'=>1),
  'maryyang'=>array('area'=>TAIPEI_AREA_CODE, 'joinno'=>1),
);
}

define('SCHOOL_PRINCIPAL_MGR_ACCOUNT', 'htkung');

$ary_AIA_school_no_joinno = array(
  'am081'=>4,
  'am082'=>5,
  'am083'=>6,
  'am091'=>7,
  'am101'=>9,
  'am102'=>10,
  'am113'=>113,
  'am114'=>114,
  'am115'=>115,
  'am117'=>117,
  'am123'=>123,
  'am125'=>125,
  'am127'=>127,
  'am129'=>129,
  'am131'=>131,
  'ag131'=>131,
  'ag132'=>132,
  'ag141'=>141,
  'ag142'=>142,
  'ag143'=>143,
  'ag144'=>144,
  'jm081'=>3,
  'jm082'=>4,
  'bm081'=>2,
  'bm082'=>3,
  'bm083'=>4,
  'bm113'=>113,
  'bm114'=>114,
  'bm115'=>115,
  'bm116'=>116,
  'bm091'=>5,
  'bm111'=>9,
  'bm121'=>121,
  'bm122'=>122,
  'ah091'=>3,
  'ah101'=>4,
  'ah111'=>111,
  'ah121'=>121,
  'bh101'=>101,
  'bh111'=>3,
  'bh112'=>112,
  'bh113'=>113,
  'cm121'=>121,
  'cm123'=>123,
  'cm131'=>131,
  'cm999'=>999,
  'cg131'=>131,
  'cg133'=>133,
  'ct131'=>131,
  'cm137'=>137,
  'cm141' => 141,
  'cm142' => 142,
  'cm143' => 143,
  'cm144' => 144,
  'cm145' => 145,
  'cm146' => 146,
  'cm147' => 147,
  'cm148' => 148,
  'cm149' => 149,
  'ab141' => 141,
  'ab142' => 142,
  'ab143' => 143,
  'ab144' => 144,
  'ab145' => 145,
  'ab146' => 146,
  'ab147' => 147,
  'ab148' => 148,
  'ab149' => 149,
);

function is_has_video_xlass($school_no){ # Logic for after 2020
  $school_no = strtolower($school_no);
  $is_staff = substr($school_no, strlen($school_no) - strlen('@aiacademy.tw'))==='@aiacademy.tw' || substr($school_no, strlen($school_no) - strlen('@sted.tw'))==='@sted.tw';
  if($is_staff){
    return true;
  }
  $b=false;
  if($school_no){
    $ARY_HAS_VIDEO_XLASS = array(
      'AM071','AM072','AM073','AM081','AM082','AM083','AM091','AM101','AM102','AM112','AM113','AM114','AM115','AM117','AM123','AM125','AM127','AM129','AM131',
      'AB141','AB142','AB143','AB144','AB145','AB146','AB147','AB148','AB149',
      'AG131','AG132','AG141','AG142','AG143','AG144',
      'JM071','JM072','JM081',
      'BM071','BM081','BM082','BM091','BM111','BM113','BM114','BM115','BM116','BM121','BM122',
      'EM081','EM082','EM083',

      'AH081', 'AH082', 'AH091','AH101','AH111','AH121',
      'BH081','BH101','BH111','BH112','BH113',
      'EH081',
      'CM121','CM999','CM137',
      'CG131','CG133',
      'CM141','CM142','CM143','CM144','CM144','CM145','CM146','CM147','CM148','CM149',
      'CT131',
    );
    #if(now('Y-m-d')<='2019-12-31'){
    #  $ARY_HAS_VIDEO_XLASS[] = 'AM083';
    #}
    foreach($ARY_HAS_VIDEO_XLASS as$v){
      $v = strtolower($v);
      if(strpos($school_no,$v)===0){
        $b=true;break;
      }
    }
  }
  return$b;
}
function is_no_video_xlass($school_no){ # Logic for before 2019
  $b=false;
  $school_no = strtolower($school_no);
  if($school_no){
    $ARY_NO_VIDEO_XLASS = array('bm083','jm082');
    foreach($ARY_NO_VIDEO_XLASS as$v){
      $v = strtolower($v);
      if(strpos($school_no,$v)===0){
        $b=true;break;
      }
    }
  }
  return$b;
}

function get_student_xlass($school_no){
  return substr($school_no,1,1);
}
function get_student_join_no($school_no){
  global$ARY_EXTRA_MGR_SCHOOL_NO_CONFIG, $ary_AIA_school_no_joinno;
  $school_no = strtolower($school_no);
  if(isset($ARY_EXTRA_MGR_SCHOOL_NO_CONFIG[$school_no])){
    return $ARY_EXTRA_MGR_SCHOOL_NO_CONFIG[$school_no]['join_no'];
  }
  $class_no = substr($school_no, 0, 5);
  if(isset($ary_AIA_school_no_joinno[$class_no])){
    return $ary_AIA_school_no_joinno[$class_no];
  } 
  #if($school_no=='bm081001'){
    #print_r($ary_AIA_school_no_joinno);echo$ary_AIA_school_no_joinno[$class_no];exit;
  #}
  return substr($school_no, 4, 1)+0; #limit_at_join_no
}
function get_student_area_code($school_no){
  global$ARY_EXTRA_MGR_SCHOOL_NO_CONFIG;
  $school_no = strtolower($school_no);
  if(isset($ARY_EXTRA_MGR_SCHOOL_NO_CONFIG[$school_no])){
    return $ARY_EXTRA_MGR_SCHOOL_NO_CONFIG[$school_no]['area'];
  }
  return substr($school_no,0,1);
}

function get_student_personal_no($school_no){
  return substr($school_no,5,7);#AM111111
}
function is_taipei_student_area_code($area_code){
  return strtolower($area_code)===TAIPEI_AREA_CODE;
}
function is_taichung_student_area_code($area_code){
  return strtolower($area_code)===TAICHUNG_AREA_CODE;
}
function is_hsinchu_student_area_code($area_code){
  return strtolower($area_code)===HSINCHU_AREA_CODE;
}
function is_south_student_area_code($area_code){
  return strtolower($area_code)===SOUTH_AREA_CODE;
}

function get_aia_calendar_url($school_no){

  #$school_no_prefix = substr($school_no, 0, strlen($school_no)-3);
  #return AIA_CALENDAR_URL_PREFIX.$school_no_prefix .'/';
  return get_calendar_url($school_no);
}

function get_logined_success_redirect_url($school_no){
  $school_no_prefix = substr($school_no, 0, strlen($school_no)-3);
  $IS_CLASS = strpos($_SERVER['SERVER_NAME'],'class.')===0 || strpos($_SERVER['SERVER_NAME'],'mgr.')===0;
  if($IS_CLASS){
    return get_aia_calendar_url($school_no);
  }
  $IS_VIDEO = strpos($_SERVER['SERVER_NAME'],'video.')===0; #|| strpos($_SERVER['SERVER_NAME'],'mgr.')===0;
  if($IS_VIDEO){
    global$ARY_STUDENT_AREA_CODE;
    /*
    $school_no_year = substr($school_no, 2,2);
    $taiwan_year = 100 + $school_no_year;
    $global_year = $taiwan_year + 1911;
    $year_in_url = '';
    if($global_year>2018){
      
    }*/
    /*
    mgr-taichung-video-1
    mgr-video-1
    mgr-video-2
    mgr-hsinchu-video-1
    */
    $join_no = get_student_join_no($school_no);
    $area_code=get_student_area_code($school_no);
    $code_in_url = '';
    $xlass_prefix='';
    if(is_medical_student_school_no($school_no)){
      $xlass_prefix='med';
      if(is_taichung_student_area_code($area_code)){
        $code_in_url = $ARY_STUDENT_AREA_CODE[TAICHUNG_AREA_CODE].'-';
      }elseif(is_south_student_area_code($area_code)){
        $code_in_url = $ARY_STUDENT_AREA_CODE[SOUTH_AREA_CODE].'-';
      }elseif(is_taipei_student_area_code($area_code)){
        $code_in_url = $ARY_STUDENT_AREA_CODE[TAIPEI_AREA_CODE].'-';
      }
 
    }elseif(is_mgr_student_school_no($school_no)){ 
      $xlass_prefix='mgr';
      if(is_taichung_student_area_code($area_code)){
        $code_in_url = $ARY_STUDENT_AREA_CODE[TAICHUNG_AREA_CODE].'-';
      }elseif(is_hsinchu_student_area_code($area_code)){
        $code_in_url = $ARY_STUDENT_AREA_CODE[HSINCHU_AREA_CODE].'-';
      }elseif(is_south_student_area_code($area_code)){
        $code_in_url = $ARY_STUDENT_AREA_CODE[SOUTH_AREA_CODE].'-';
      }elseif(is_taipei_student_area_code($area_code)){
        $code_in_url = '';
      }
    }
var_dump($xlass_prefix);

    return CATEGORY_PREFIX_URL . $xlass_prefix.'-'.$code_in_url.'video-'.$join_no.'/';
  }
}

function is_student_keycloak_user($school_no){
  $school_no = strtolower($school_no);
  return 1===preg_match(STUDENT_KEYCLOAK_USERNAME_PATTERN, $school_no);
}

function is_medical_student_school_no($school_no){
  $school_no = strtolower($school_no);
  return 1===preg_match(MEDICAL_STUDENT_KEYCLOAK_USERNAME_PATTERN, $school_no);
}

function is_industrial_student_school_no($school_no){
  $school_no = strtolower($school_no);
  return 1===preg_match(INDUSTRIAL_STUDENT_KEYCLOAK_USERNAME_PATTERN, $school_no);
}
function is_generativeAI_student_school_no($school_no){
  $school_no = strtolower($school_no);
  return 1===preg_match(GENERATIVE_AI_USERNAME_PATTERN, $school_no);
}
function is_business_student_school_no($school_no){
  $school_no = strtolower($school_no);
  return 1===preg_match(BUSINESS_STUDENT_USERNAME_PATTERN, $school_no);
}

function is_tech_student_school_no($school_no){
  $school_no = strtolower($school_no);
  return 1===preg_match(TECH_STUDENT_KEYCLOAK_USERNAME_PATTERN, $school_no);
}


function is_mgr_student_school_no($school_no){
  global$ARY_EXTRA_MGR_SCHOOL_NO_CONFIG;
  $school_no = strtolower($school_no);
  return 1===preg_match(MGR_STUDENT_KEYCLOAK_USERNAME_PATTERN, $school_no) 
         || isset($ARY_EXTRA_MGR_SCHOOL_NO_CONFIG[$school_no]);
}

function get_calendar_suffix_length($school_no){
  $school_no = strtolower($school_no);
  preg_match(MGR_STUDENT_ACCOUNT_PREFIX_NUMBER, $school_no, $output);
  $prefix_number = $output[0] + 0;
  $prefix_length = 5;

  # 2020Q2 2020Q3
  #$is_elective_course = $prefix_number >= 92; # adding only for tech classes and number "092" for elective course
  # 2020Q4
  $is_elective_course = $prefix_number == 92 && (strpos($school_no,'am')!==0 && strpos($school_no,'em')!==0); # closing elective courses by Richie(CEO) from 2020Q4
  if(strpos($school_no,'jt0820')===0 || strpos($school_no,'jt0821')===0 || $is_elective_course){
    $prefix_length = 6;
  }
  return $prefix_length;
}
function get_calendar_url($school_no){
$school_no = strtolower($school_no);
  //even for those people who are back training, if even, substract 1 from number
  if(strlen($school_no)==8){
    preg_match_all('/([A-Z a-z]{2})(\d{3})(\d{3})/', $school_no, $matches);
    //print_r( $matches);
    //echo "<br>";
    if(count($matches) == 4){
      //$matches[2][0] = ($matches[2][0] % 2 == 0 and $matches[2][0] > 113 && strtoupper(substr($school_no, 0, 5)) != 'CT132') ? $matches[2][0]-1:$matches[2][0];
      $matches[2][0] = ($matches[2][0] % 2 == 0 and $matches[2][0] > 113 &&  $matches[2][0] < 130) ? $matches[2][0]-1:$matches[2][0];

      //print_r( $matches);
      $school_no = $matches[1][0] .$matches[2][0] .$matches[3][0];
      //echo "<br>".$school_no;
    }
  }
  $prefix_length = get_calendar_suffix_length($school_no);
  return AIA_CALENDAR_URL_PREFIX.substr($school_no,0,$prefix_length);
}

function can_view_aia_calendar_keycloak_user($keycloak_username){
  if(strpos($keycloak_username, '@aiacademy.tw')!==false
    ||strpos($keycloak_username, '@sted.tw')!==false
    ){return true;}

  $a = array(
'richie.tsai@aiacademy.tw');
  return in_array($keycloak_username, $a);
}

function can_view_aia_video_keycloak_user($keycloak_username){
  return can_view_aia_calendar_keycloak_user($keycloak_username); // 2019Q3 same as can_view_aia_calendar: allow all staff can view video.
}

function is_school_no_for_corporate_admin($school_no){
  $corporate_admin = array(
    'cm121100'
  );

  foreach($corporate_admin as $key => $value){
    $corporate_admin[$key]=strtolower($value);
  }
  return in_array(strtolower($school_no),$corporate_admin);
}