<?php

class ProjectKosztorysModel {

  public $idProject;
  public $path;
  public $title;
  public $owner;
  public $ownerName;
  public $ownerByProjectId;
  public $subProjectList;

  public function __construct($idProject) {
    $this->idProject = $idProject;
    $this->fetchInfo($this->idProject);
    $this->subProjectList = $this->fetchSubProjectList($this->idProject, $this->path);
    $this->fixSubProjectOwner($this->idProject, $this->owner, $this->ownerName, $this->ownerByProjectId);
		DBG::_('DBG', '>3', "this", $this, __CLASS__, __FUNCTION__, __LINE__);
  }

  public function getSubProjectIds() {
    if (null === $this->subProjectList) $this->subProjectList = $this->fetchSubProjectList($this->idProject, $this->path);
    return array_keys($this->subProjectList);
  }

  public function getSubProjectList() {
    if (null === $this->subProjectList) $this->subProjectList = $this->fetchSubProjectList($this->idProject, $this->path);
    return $this->subProjectList;
  }

  public function getProjectName($idProject) {
    if (null === $this->subProjectList) $this->subProjectList = $this->fetchSubProjectList($this->idProject, $this->path);
    if ($idProject == $this->idProject) return $this->title;
    if (!array_key_exists($idProject, $this->subProjectList)) return null;// TODO: throw exception or query for data?
    return $this->subProjectList[$idProject]['title'];
  }

  public function getSubProject($idSubProj) {
    if (null === $this->subProjectList) $this->subProjectList = $this->fetchSubProjectList($this->idProject, $this->path);
    return (array_key_exists($idSubProj, $this->subProjectList))? $this->subProjectList[$idSubProj] : null;
  }

  public function getPath() {
    if (null !== $this->path) return $this->path;
    $this->fetchInfo($this->idProject);
    return $this->path;
  }

  public function fetchInfo($idProject) {
    $rows = DB::getPDO()->fetchAll("
      select p.ID
        , p.path
        , p.P_ID
        , p.M_DIST_DESC as title
        , p.L_APPOITMENT_USER as owner
        , IF('' != p.L_APPOITMENT_USER
          , (select u.ADM_NAME from ADMIN_USERS u where u.ADM_ACCOUNT = p.L_APPOITMENT_USER limit 1)
          , '') as ownerName
      from IN7_MK_BAZA_DYSTRYBUCJI p
      where p.ID = '{$idProject}'
    ");
    if (empty($rows)) throw new Exception("Cannot find path for project '{$idProject}'");
    $projectRaw = $rows[0];
    if (empty($projectRaw['path'])) throw new Exception("Empty path for project '{$idProject}'");
    $this->path = $projectRaw['path'];
    $this->title = $projectRaw['title'];
    $this->owner = $projectRaw['owner'];
    $this->ownerName = $projectRaw['ownerName'];
    $this->ownerByProjectId = null;
    if (empty($this->owner) && !empty($this->path)) {// find owner in parent projects
      $parentIds = explode('-', $this->path);
      if (0 == $parentIds[0]) array_shift($parentIds);
      $parentIds = array_reverse($parentIds);
      DBG::_('DBG', '>3', "parentIds", $parentIds, __CLASS__, __FUNCTION__, __LINE__);
      if (!empty($parentIds)) {
        $sqlIds = implode(",", $parentIds);
        $parentProjById = DB::getPDO()->fetchAllByKey("
          select p.ID
            , p.path
            , p.P_ID
            , p.M_DIST_DESC as title
            , p.L_APPOITMENT_USER as owner
            , IF('' != p.L_APPOITMENT_USER
              , (select u.ADM_NAME from ADMIN_USERS u where u.ADM_ACCOUNT = p.L_APPOITMENT_USER limit 1)
              , '') as ownerName
          from IN7_MK_BAZA_DYSTRYBUCJI p
          where p.ID in({$sqlIds})
        ", $key = 'ID');
        //DBG::table("parentIds", $parentProjById, __CLASS__, __FUNCTION__, __LINE__);
      }
      foreach ($parentIds as $idParent) {
        if (!empty($parentProjById[$idParent])) {
          if (!empty($parentProjById[$idParent]['owner'])) {
            $this->owner = $parentProjById[$idParent]['owner'];
            $this->ownerName = $parentProjById[$idParent]['ownerName'];
            $this->ownerByProjectId = $idParent;
            break;
          }
        }
      }
    }
  }

  public function fetchSubProjectList($idProject, $path) {
		$subProjectList = DB::getPDO()->fetchAllByKey("
			select p.ID, p.path, p.P_ID
          , p.M_DIST_DESC as title
          , p.L_APPOITMENT_USER as owner
          , IF('' != p.L_APPOITMENT_USER
            , (select u.ADM_NAME from ADMIN_USERS u where u.ADM_ACCOUNT = p.L_APPOITMENT_USER limit 1)
            , '') as ownerName
			from IN7_MK_BAZA_DYSTRYBUCJI p
			where p.path like '{$path}-%'
				and p.A_STATUS not in('DELETED')
		", 'ID');
		return $subProjectList;
	}

  public function fixSubProjectOwner($parentIdProject, $parentOwner, $parentOwnerName, $ownerByProjectId) {
    if (empty($this->owner)) return;
    if (empty($this->subProjectList)) return;

    foreach ($this->subProjectList as $idSubProj => $subProj) {
      if ($parentIdProject != $subProj['P_ID']) continue;
      if (!empty($subProj['owner'])) {
        $this->subProjectList[$idSubProj]['ownerByProjectId'] = $subProj['ID'];
        $this->fixSubProjectOwner($subProj['ID'], $subProj['owner'], $subProj['ownerName'], $subProj['ID']);
        continue;
      }
      $this->subProjectList[$idSubProj]['owner'] = $parentOwner;
      $this->subProjectList[$idSubProj]['ownerName'] = $parentOwnerName;
      $this->subProjectList[$idSubProj]['ownerByProjectId'] = $ownerByProjectId;
      $this->fixSubProjectOwner($subProj['ID'], $parentOwner, $parentOwnerName, $ownerByProjectId);
    }
  }

}