<?php

use Illuminate\Support\Facades\Input;

class TransformativeActionsController extends \BaseController
{

  // load the Tranformative actions page
  public function editTA()
  {
    $title = "Transformative Action";
    $role = Auth::user()['role'];
    $outcomes = Outcome::orderBy('name', 'ASC')->lists('name', 'id');

    $schools = School::orderBy('name', 'ASC')->get();
    $criteria = Criterion::withTrashed()->orderBy('name', 'ASC')->get();
    $programs = Program::orderBy('name', 'ASC')->get();
    $user_id = auth::user()->id;

    $program_id = DB::table('program_user')
      ->where('user_id', $user_id)
      ->select('program_id')
      ->get();
    $program_id = $program_id[0]->program_id; //program id 15 debido al user 8
    $outcomes = Outcome::orderBy('name', 'ASC')
      ->where('deactivation_date', '=', '0000-00-00')
      ->orWhereNull('deactivation_date')
      ->get();
    $objectives = array();

    // if user is program coordinator
    if ($role == 3) {
      //1 edit panel: load the TA that
      //    are custom ('transformative_actions.by_professor' == 0)
      //    were approved in past ('transformative_actions.is_custom' == 1)
      $ta_edit_panel = DB::table('transformative_actions')
        ->where('transformative_actions.is_custom', 1)
        ->where('transformative_actions.program_id', $program_id)
        ->where('transformative_actions.by_professor', 0)
        ->orderBy('at_text', 'ASC')
        ->get();
      //2 approve panel: load TAs that
      //    can be approved ('transformative_actions.by_professor' == 1)
      $ta_approval_panel = DB::table('transformative_actions')
        ->where('transformative_actions.is_custom', 1)
        ->where('transformative_actions.program_id', $program_id)
        ->where('transformative_actions.by_professor', 1)
        ->orderBy('at_text', 'ASC')
        ->get();
      //2.1 approve panel: load the filter options.
      // the "->where()" should be the same from $ta_approval_panel,
      //  but with aditional joins and different select
      //
      // get the names of the professors
      $professor_filter_approvePanel = DB::table('transformative_actions')
        ->join('users', 'users.id', '=', 'transformative_actions.user_id')
        ->where('transformative_actions.is_custom', 1)
        ->where('transformative_actions.program_id', $program_id)
        ->where('transformative_actions.by_professor', 1)
        ->select('users.*')
        ->groupby('transformative_actions.user_id')
        ->orderBy('users.first_name', 'ASC')
        ->get();
      // get the courses from asociated with a TA
      $course_filter_approvePanel = DB::table('ta_course')
        ->join('transformative_actions', 'transformative_actions.id', '=', 'ta_course.ta_id')
        ->join('courses', 'courses.id', '=', 'ta_course.course_id')
        ->where('transformative_actions.is_custom', 1)
        ->where('transformative_actions.program_id', $program_id)
        ->where('transformative_actions.by_professor', 1)
        ->select('courses.*')
        ->groupBy('courses.name', 'courses.code')
        ->orderBy('courses.name', 'ASC')
        ->orderBy('courses.code', 'ASC')
        ->get();
      // get the outcome asociated with a TA
      $outcome_filter_approvePanel = DB::table('transformative_actions')
        ->join('transformative_objective_course', 'transformative_objective_course.ta_id', '=', 'transformative_actions.id')
        ->join('criterion_objective_outcome', 'criterion_objective_outcome.objective_id', '=', 'transformative_objective_course.objective_id')
        ->join('outcomes', 'outcomes.id', '=', 'criterion_objective_outcome.outcome_id')
        ->where('transformative_actions.is_custom', 1)
        ->where('transformative_actions.program_id', $program_id)
        ->where('transformative_actions.by_professor', 1)
        ->select('outcomes.*')
        ->groupBy('outcomes.id')
        ->orderBy('outcomes.name', 'ASC')
        ->get();
      //3 edit panel: load the filter options.
      // the "->where()" should be the same from $ta_edit_panel,
      //  but with aditional joins and different select
      //
      $professor_filter_editPanel = DB::table('transformative_actions')
        ->join('users', 'users.id', '=', 'transformative_actions.user_id')
        ->where('transformative_actions.is_custom', 1)
        ->where('transformative_actions.program_id', $program_id)
        ->where('transformative_actions.by_professor', 0)
        ->select('users.*')
        ->groupby('transformative_actions.user_id')
        ->orderBy('users.first_name', 'ASC')
        ->get();
      $course_filter_editPanel =  DB::table('ta_course')
        ->join('transformative_actions', 'transformative_actions.id', '=', 'ta_course.ta_id')
        ->join('courses', 'courses.id', '=', 'ta_course.course_id')
        ->where('transformative_actions.is_custom', 1)
        ->where('transformative_actions.program_id', $program_id)
        ->where('transformative_actions.by_professor', 0)
        ->select('courses.*')
        ->groupBy('courses.name', 'courses.code')
        ->orderBy('courses.name', 'ASC')
        ->orderBy('courses.code', 'ASC')
        ->get();
      $outcome_filter_editPanel = DB::table('transformative_actions')
        ->join('transformative_objective_course', 'transformative_objective_course.ta_id', '=', 'transformative_actions.id')
        ->join('criterion_objective_outcome', 'criterion_objective_outcome.objective_id', '=', 'transformative_objective_course.objective_id')
        ->join('outcomes', 'outcomes.id', '=', 'criterion_objective_outcome.outcome_id')
        ->where('transformative_actions.is_custom', 1)
        ->where('transformative_actions.program_id', $program_id)
        ->where('transformative_actions.by_professor', 0)
        ->select('outcomes.*')
        ->groupBy('outcomes.id')
        ->orderBy('outcomes.name', 'ASC')
        ->get();
      // 4 create panel: search all courses
      $courses_create = DB::table('courses')
        ->where('courses.program_id', $program_id)
        ->select('courses.*')
        ->groupBy('courses.name', 'courses.code')
        ->orderBy('courses.name', 'ASC')
        ->orderBy('courses.code', 'ASC')
        ->get();
    }
    // if user is profesor
    elseif ($role == 4) {
      // 1 the user can only edit TA that need approval and has been submited by the same user
      $ta_edit_panel = DB::table('transformative_actions')
        ->where('transformative_actions.is_custom', 1)
        ->where('transformative_actions.program_id', $program_id)
        ->where('transformative_actions.user_id', Auth::user()->id)
        ->where('transformative_actions.by_professor', 1)
        ->select('transformative_actions.*')
        ->orderBy('at_text', 'ASC')
        ->get();
      // 2 approve panel: dont load TA since professors cant approve them
      $ta_approval_panel = array();
      // 3 edit panel: load professor filter for his courses
      $professor_filter_editPanel = array();
      $course_filter_editPanel =  DB::table('ta_course')
        ->join('transformative_actions', 'transformative_actions.id', '=', 'ta_course.ta_id')
        ->join('courses', 'courses.id', '=', 'ta_course.course_id')
        ->where('transformative_actions.is_custom', 1)
        ->where('transformative_actions.user_id', Auth::user()->id)
        ->where('transformative_actions.program_id', $program_id)
        ->where('transformative_actions.by_professor', 1)
        ->select('courses.*')
        ->groupBy('courses.name', 'courses.code')
        ->orderBy('courses.name', 'ASC')
        ->orderBy('courses.code', 'ASC')
        ->get();
      $outcome_filter_editPanel = DB::table('transformative_actions')
        ->join('transformative_objective_course', 'transformative_objective_course.ta_id', '=', 'transformative_actions.id')
        ->join('criterion_objective_outcome', 'criterion_objective_outcome.objective_id', '=', 'transformative_objective_course.objective_id')
        ->join('outcomes', 'outcomes.id', '=', 'criterion_objective_outcome.outcome_id')
        ->where('transformative_actions.is_custom', 1)
        ->where('transformative_actions.user_id', Auth::user()->id)
        ->where('transformative_actions.program_id', $program_id)
        ->where('transformative_actions.by_professor', 1)
        ->select('outcomes.*')
        ->groupBy('outcomes.id')
        ->orderBy('outcomes.name', 'ASC')
        ->get();
      // these arent used by professors
      $professor_filter_approvePanel = array();
      $course_filter_approvePanel = array();
      $outcome_filter_approvePanel = array();

      // 4 create panel: search courses given by the professor
      $courses_create = DB::table('courses')
        ->where('courses.program_id', $program_id)
        ->where('courses.user_id', Auth::user()->id)
        ->select('courses.*')
        ->groupBy('courses.name', 'courses.code')
        ->orderBy('courses.name', 'ASC')
        ->orderBy('courses.code', 'ASC')
        ->get();
    }

    return View::make('local.managers.admins.transformativeAction', compact(
      'title',
      'role',
      'outcomes',
      'schools',
      'criteria',
      'programs',
      'outcomes',
      'objectives',
      'ta_edit_panel',
      'ta_approval_panel',
      'courses_create',
      'professor_filter_approvePanel',
      'course_filter_approvePanel',
      'outcome_filter_approvePanel',
      'professor_filter_editPanel',
      'outcome_filter_editPanel',
      'course_filter_editPanel'
    ));
  }

  private function cleanInput()
  {
    $clean_input = array();


    $trimmed = trim(preg_replace('/\t+/', '', Input::get('text')));

    Log::info('trimmed 1 -->' . $trimmed . '<--');

    // if ($trimmed == '') {
    //     $trimmed = NULL;
    // } else {
    //     $trimmed = json_encode(preg_split('/\r\n/', $trimmed));
    // }

    Log::info('trimmed 2 -->' . $trimmed . '<--');


    $clean_input['text'] = $trimmed;

    //////
    $trimmed = trim(preg_replace('/\t+/', '', Input::get('description')));

    Log::info('trimmed 3 -->' . $trimmed . '<--');

    // if ($trimmed == '') {
    //     $trimmed = NULL;
    // } else {
    //     $trimmed = json_encode(preg_split('/\r\n/', $trimmed));
    // }

    Log::info('trimmed 4 -->' . $trimmed . '<--');


    $clean_input['description'] = $trimmed;


    $clean_input['objectiveid'] = Input::get('objectiveid');
    $clean_input['courseid'] = Input::get('courseid');
    $clean_input['approval'] = Input::get('approval');
    $clean_input['ta_id'] = Input::get('ta_id');

    return $clean_input;
  }

  private function makeValidator($clean_input)
  {

    /** Validation rules */
    return Validator::make(
      array(
        'text' => $clean_input['text'],
        'description' => $clean_input['description'],
        'objectiveid' => $clean_input['objectiveid'],
        'courseid' => $clean_input['courseid'],
        'approval' => $clean_input['approval'],
        'ta_id' => $clean_input['ta_id'],
      ),
      array(
        'text' => 'required|string',
        'description' => 'required|string',
        'objectiveid' => 'required|array',
        'courseid' => 'required|array',
        'approval' => 'integer',
        'ta_id' => 'integer',
      )
    );
  }


  // Create a Transformative Action
  public function createTA()
  {
    $clean_input = $this->cleanInput();

    /** Validation rules */
    $validator = $this->makeValidator($clean_input);

    /** If validation fails */
    if ($validator->fails()) {
      /** Prepare error message */
      $message = '<p>Error(s) creating a new Transformative Action:</p><ul>';

      foreach ($validator->messages()->all('<li>:message</li>') as $validationError) {
        $message .= $validationError;
      }

      $message .= '</ul>';

      /** Send error message and old data */
      Session::flash('status', 'danger');
      Session::flash('message', $message);
      $role = Auth::user()['role'];
      return Redirect::to('transformativeAction')->withInput();
    } else {

      $user_id = auth::user()->id;
      $program_id = DB::table('program_user')
        ->where('user_id', $user_id)
        ->select('program_id')
        ->get();
      $program_id = $program_id[0]->program_id;
      $role = Auth::user()['role'];
      $by_professor = 1;
      if ($role == 3) {
        $by_professor = 0;
      }

      // $by_professor = $clean_input['approval'];

      $current_timestamp = date('Y/m/d H:i:s', time());
      // insert the TA
      $ta_id = DB::table('transformative_actions')->insertGetId(
        array(
          'at_text' => $clean_input['text'],
          'description' => $clean_input['description'],
          'is_custom' => 1,
          'user_id' => $user_id,
          'program_id' => $program_id,
          'created_at' => $current_timestamp,
          'by_professor' => $by_professor,
        )
      );

      //
      // // insert the multiple TA_objective_program
      foreach ($clean_input['objectiveid'] as $objective_id) {
        DB::table('transformative_objective_course')->insert(
          array(
            'ta_id' => $ta_id,
            'objective_id' => $objective_id,
            'program_id' => $program_id,
            'created_at' => $current_timestamp,
          )
        );
      }

      //
      // // insert the multiple TA_course
      foreach ($clean_input['courseid'] as $course_id) {
        DB::table('TA_course')->insert(
          array(
            'ta_id' => $ta_id,
            'course_id' => $course_id,
          )
        );
      }

      Session::flash('status', 'success');
      Session::flash('message', 'Transformative Action created: "' . $clean_input['text'] . '".');
      $role = Auth::user()['role'];
      return Redirect::to('transformativeAction')->withInput();
    }
  }

  // apporve a Transformative Action
  public function approveTA()
  {
    $role = Auth::user()['role'];
    if ($role != 3) {
      $message = 'Only Program Coordinators can approve a TA';
      Session::flash('status', 'danger');
      Session::flash('message', $message);
      return Redirect::to('transformativeAction')->withInput();
    }

    $ta_id = Input::get('ta_id');
    $text = Input::get('at_text');

    if ($ta_id == 0) {
      $message = 'Please select a Transformative Action</p>';

      Session::flash('status', 'danger');
      Session::flash('message', $message);

      $role = Auth::user()['role'];
      return Redirect::to('transformativeAction')->withInput();
    }

    $current_timestamp = date('Y/m/d H:i:s', time());

    // edit the TA
    DB::table('transformative_actions')
      ->where('id', $ta_id)
      ->update([
        'by_professor' => 0,
        'updated_at' => $current_timestamp,
      ]);

    Session::flash('status', 'success');
    Session::flash('message', 'Approved the Transformative Action: "' . $text . '".');
    $role = Auth::user()['role'];
    return Redirect::to('transformativeAction')->withInput();
  }


  // update a Tranformative Action
  public function updateTA()
  {
    $clean_input = $this->cleanInput();

    /** Validation rules */
    $validator = $this->makeValidator($clean_input);

    /** If validation fails */
    if ($validator->fails()) {
      /** Prepare error message */
      $message = 'Error(s) updating the Transformative Action: <ul>';

      foreach ($validator->messages()->all('<li>:message</li>') as $validationError) {
        $message .= $validationError;
      }

      $message .= '</ul>';

      /** Send error message and old data */
      Session::flash('status', 'danger');
      Session::flash('message', $message);
      $role = Auth::user()['role'];
      return Redirect::to('transformativeAction')->withInput();
    } else {

      $user_id = auth::user()->id;
      $program_id = DB::table('program_user')
        ->where('user_id', $user_id)
        ->select('program_id')
        ->get();
      $program_id = $program_id[0]->program_id;
      $role = Auth::user()['role'];
      $by_professor = $clean_input['approval'];
      if ($role == 4) {
        $by_professor = 1;
      }

      // $by_professor = $clean_input['approval'];

      $current_timestamp = date('Y/m/d H:i:s', time());
      // edit the TA
      DB::table('transformative_actions')
        ->where('id', $clean_input['ta_id'])
        ->update([
          'by_professor' => $by_professor,
          'at_text' => $clean_input['text'],
          'description' => $clean_input['description'],
          'updated_at' => $current_timestamp,
        ]);


      $ta_id = $clean_input['ta_id'];
      $new_objective_id = $clean_input['objectiveid'];
      $old_objective_id = DB::table('transformative_objective_course')
        ->where('ta_id', $ta_id)
        ->select('objective_id')
        ->lists('objective_id');

      //delete existing objective_id if it isnt in new_ids array
      foreach ($old_objective_id as $old_id) {
        if (in_array($old_id, $new_objective_id)) {
          //do nothing if a new id is already in atble
        } else {
          //if old id not in new id, delete
          DB::table('transformative_objective_course')
            ->where('ta_id', $ta_id)
            ->where('objective_id', $old_id)
            ->delete();
        }
      }

      //
      foreach ($new_objective_id as $new_id) {
        $result = DB::table('transformative_objective_course')
          ->where('objective_id', $new_id)
          ->select('objective_id')
          ->lists('objective_id');

        if (count($result) == 0) {
          //if the new_id does not exists, do nothing
          DB::table('transformative_objective_course')->insert(
            array(
              'ta_id' => $ta_id,
              'objective_id' => $new_id,
              'program_id' => $program_id,
              'created_at' => $current_timestamp,
            )
          );
        } else {
          //if the new_id already exists, do nothing
        }
      }


      $new_course_id = $clean_input['courseid'];
      $old_course_id = DB::table('ta_course')
        ->where('ta_id', $ta_id)
        ->select('course_id')
        ->lists('course_id');

      //delete existing course_id if it isnt in new_ids array
      foreach ($old_course_id as $old_id) {
        if (in_array($old_id, $new_course_id)) {
          //do nothing if a new id is already in atble
        } else {
          //if old id not in new id, delete
          DB::table('ta_course')
            ->where('ta_id', $ta_id)
            ->where('course_id', $old_id)
            ->delete();
        }
      }
      //add course_id if it isnt already inserted
      foreach ($new_course_id as $new_id) {
        $result = DB::table('ta_course')
          ->where('ta_id', $ta_id)
          ->where('course_id', $new_id)
          ->select('course_id')
          ->lists('course_id');

        if (count($result) == 0) {
          //if the new_id does not exists, do nothing
          DB::table('ta_course')->insert(
            array(
              'ta_id' => $ta_id,
              'course_id' => $new_id,
            )
          );
        } else {
          //if the new_id already exists, do nothing
        }
      }

      Session::flash('status', 'success');
      Session::flash('message', 'Updated Transformative Action: "' . $clean_input['text'] . '".');
      $role = Auth::user()['role'];
      return Redirect::to('transformativeAction')->withInput();
    }
  }

  // delete a Transformative Action
  public function deleteTA()
  {
    $ta_id = array(Input::get('ta_id'));

    // si envia id 0, el backend se queja en la linea: $ta = $ta[0];
    // nunca deberia ocurrir, pero es un safity measure.
    if ($ta_id == 0) {
      $message = 'Please select a Transformative Action</p>';

      Session::flash('status', 'danger');
      Session::flash('message', $message);

      $role = Auth::user()['role'];
      return Redirect::to('transformativeAction')->withInput();
    }

    $ta = DB::table('transformative_actions')
      ->where('transformative_actions.is_custom', 1)
      ->where('id', $ta_id)
      ->get();
    $ta = $ta[0];

    $used = DB::table('annual_plan_transformative')
      ->where('id', $ta_id)
      ->get();

    $recommended = $ta->by_professor;
    // the TA can only be deleted if error if the TA is not currently as "Recommended"
    // and isnt used in an anual plan
    if ($recommended == 1 && count($used) == 0) {
      // delete the TA if it qualifies
      DB::delete("delete from transformative_actions where id = ?", $ta_id);

      $name = $ta->at_text;

      $message = 'The Transformative Action has been deleted:</p><ul>';
      $message .= '<li> ' . $name . ' </li>';
      $message .= '</ul>';

      Session::flash('status', 'success');
      Session::flash('message', $message);
      $role = Auth::user()['role'];
      return Redirect::to('transformativeAction')->withInput();
    }


    $message = 'Transformative Actions can only be deleted if:</p><ul>';
    $message .= '<li> It has a status of "Recommended"</li>';
    $message .= '<li> It is not currently used in a plan</li>';
    $message .= '</ul>';

    Session::flash('status', 'danger');
    Session::flash('message', $message);

    $role = Auth::user()['role'];
    return Redirect::to('transformativeAction')->withInput();
  }


  // load the information of a Tranformative Action when its
  //  selected on the approve or edit panel
  public function selectTA()
  {
    $ta_id = Input::get("ta_id");
    $user_id = Auth::user()->id;
    $program_id = DB::table('program_user')
      ->where('user_id', $user_id)
      ->select('program_id')
      ->get();
    $program_id = $program_id[0]->program_id;

    $objectives = DB::table('transformative_actions')
      ->join('transformative_objective_course', 'transformative_objective_course.ta_id', '=', 'transformative_actions.id')
      ->join('objectives', 'objectives.id', '=', 'transformative_objective_course.objective_id')
      ->where('transformative_actions.id', $ta_id)
      ->select('objectives.text as text', 'objectives.id as id')
      ->orderBy('objectives.text', 'ASC')
      ->get();

    $an_objective = $objectives[0]->id;
    $outcome_id = DB::table('criterion_objective_outcome')
      ->where('criterion_objective_outcome.objective_id', $an_objective)
      ->select('criterion_objective_outcome.outcome_id')
      ->get();
    $outcome_id = $outcome_id[0]->outcome_id;


    $objectives_from_outcome = DB::table('objectives')
      ->join('objective_program', 'objective_program.objective_id', '=', 'objectives.id')
      ->join('criterion_objective_outcome', 'criterion_objective_outcome.objective_id', '=', 'objectives.id')
      ->where('criterion_objective_outcome.outcome_id', $outcome_id)
      ->where('objective_program.program_id', $program_id)
      ->orderBy('objectives.text', 'ASC')
      ->select('objectives.text as text', 'objectives.id as id')
      ->get();
    $selected_courses = DB::table('ta_course')
      ->join('courses', 'courses.id', '=', 'ta_course.course_id')
      ->where('ta_id', $ta_id)
      ->orderBy('courses.name', 'ASC')
      ->orderBy('courses.code', 'ASC')
      ->select('courses.*')
      ->get();
    $name = DB::table('transformative_actions')
      ->where('id', $ta_id)
      ->select('at_text as name')
      ->lists('name');
    $description = DB::table('transformative_actions')
      ->where('id', $ta_id)
      ->select('description')
      ->lists('description');
    $status = DB::table('transformative_actions')
      ->where('id', $ta_id)
      ->select('by_professor as status')
      ->lists('status');
    $status = $status[0];
    $plans_count = DB::table('annual_plan_transformative')
      ->where('id', $ta_id)
      ->get();
    $plans_count = count($plans_count);
    $can_be_deleted = false;
    if ($plans_count == 0 && $status == 1) {
      $can_be_deleted = true;
    }
    return array(
      'objectives' => $objectives,
      'objectives_from_outcome' => $objectives_from_outcome,
      'selected_courses' => $selected_courses,
      'name' => $name,
      'description' => $description,
      'status' => $status,
      'can_be_deleted' => $can_be_deleted,
      'plans_count' => $plans_count,
    );
  }

  // load the available objectieves from an outcome when creating a Tranformative Action
  public function objectivesFromOutcome()
  {
    $user_id = Auth::user()->id;
    $program_id = DB::table('program_user')
      ->where('user_id', $user_id)
      ->select('program_id')
      ->get();
    $program_id = $program_id[0]->program_id;
    $ta_id = Input::get("ta_id");
    $outcome_id = Input::get("outcome_id");

    $objectives = DB::table('objectives')
      ->join('objective_program', 'objective_program.objective_id', '=', 'objectives.id')
      ->join('criterion_objective_outcome', 'criterion_objective_outcome.objective_id', '=', 'objectives.id')
      ->where('criterion_objective_outcome.outcome_id', $outcome_id)
      ->where('objective_program.program_id', $program_id)
      ->orderBy('objectives.text', 'ASC')
      ->select('objectives.text as text', 'objectives.id as id')
      ->get();

    return array(
      'objectives' => $objectives,
    );
  }

  // return Transformative Actions that meet the filter criterias
  public function filterTA()
  {
    $user_id = Auth::user()->id;
    $role = Auth::user()['role'];
    $professor_id = Input::get('professor_id');
    $course_id = Input::get('course_id');
    $outcome_id = Input::get('outcome_id');
    $panel_id = Input::get('panel_id');
    $program_id = DB::table('program_user')
      ->where('user_id', $user_id)
      ->select('program_id')
      ->get();
    $program_id = $program_id[0]->program_id;

    // if the user is a coordinator filtering the approvePanel
    if ($role == '3' && $panel_id == 'approvePanel') {

      // if professor isnt a desired filter, search all professors
      if ($professor_id == 0) {
        $all_ta_users = DB::table('transformative_actions')
          ->where('transformative_actions.is_custom', 1)
          ->where('transformative_actions.program_id', $program_id)
          ->where('transformative_actions.by_professor', 1)
          ->select('transformative_actions.user_id')
          ->get();
        $professor_id = array();
        foreach ($all_ta_users as $key => $user) {
          array_push($professor_id, $user->user_id);
        }
      } else {
        $professor_id = array($professor_id);
      }
      // if course isnt a desired filter, search all courses
      if ($course_id == 0) {
        $courses =  DB::table('ta_course')
          ->join('transformative_actions', 'transformative_actions.id', '=', 'ta_course.ta_id')
          ->join('courses', 'courses.id', '=', 'ta_course.course_id')
          ->where('transformative_actions.is_custom', 1)
          ->where('transformative_actions.program_id', $program_id)
          ->where('transformative_actions.by_professor', 1)
          ->select('courses.id')
          ->get();

        $course_id = array();
        foreach ($courses as $key => $course) {
          array_push($course_id, $course->id);
        }
      } else {
        $course_id = array($course_id);
      }
      // if outcome isnt a desired filter, search all outcomes
      if ($outcome_id == 0) {
        $outcomes = DB::table('transformative_actions')
          ->join('transformative_objective_course', 'transformative_objective_course.ta_id', '=', 'transformative_actions.id')
          ->join('criterion_objective_outcome', 'criterion_objective_outcome.objective_id', '=', 'transformative_objective_course.objective_id')
          ->join('outcomes', 'outcomes.id', '=', 'criterion_objective_outcome.outcome_id')
          ->where('transformative_actions.is_custom', 1)
          ->where('transformative_actions.program_id', $program_id)
          ->where('transformative_actions.by_professor', 1)
          ->select('outcomes.id')
          ->groupBy('outcomes.id')
          ->get();
        $outcome_id = array();
        foreach ($outcomes as $key => $outcome) {
          array_push($outcome_id, $outcome->id);
        }
      } else {
        $outcome_id = array($outcome_id);
      }

      // search TA with filters
      $filtered_at = DB::table('transformative_actions')
        ->join('ta_course', 'ta_course.ta_id', '=', 'transformative_actions.id')
        ->join('transformative_objective_course', 'transformative_objective_course.ta_id', '=', 'transformative_actions.id')
        ->join('criterion_objective_outcome', 'criterion_objective_outcome.objective_id', '=', 'transformative_objective_course.objective_id')
        ->where('transformative_actions.is_custom', 1)
        ->where('transformative_actions.program_id', $program_id)
        ->where('transformative_actions.by_professor', 1)
        ->whereIn('transformative_actions.user_id', $professor_id)
        ->whereIn('criterion_objective_outcome.outcome_id', $outcome_id)
        ->whereIn('ta_course.course_id', $course_id)
        ->select('transformative_actions.*')
        ->groupBy('transformative_actions.id')
        ->orderBy('transformative_actions.at_text', 'ASC')
        ->get();
      return $filtered_at;
    }
    // if the user is a coordinator filtering the editPanel
    elseif ($role == '3' && $panel_id == 'editPanel') {

      // if professor isnt a desired filter, search all professors
      if ($professor_id == 0) {
        $all_ta_users = DB::table('transformative_actions')
          ->where('transformative_actions.is_custom', 1)
          ->where('transformative_actions.program_id', $program_id)
          ->where('transformative_actions.by_professor', 0)
          ->select('transformative_actions.user_id')
          ->get();
        $professor_id = array();
        foreach ($all_ta_users as $key => $user) {
          array_push($professor_id, $user->user_id);
        }
      } else {
        $professor_id = array($professor_id);
      }
      // if course isnt a desired filter, search all courses
      if ($course_id == 0) {
        $courses =  DB::table('ta_course')
          ->join('transformative_actions', 'transformative_actions.id', '=', 'ta_course.ta_id')
          ->join('courses', 'courses.id', '=', 'ta_course.course_id')
          ->where('transformative_actions.is_custom', 1)
          ->where('transformative_actions.program_id', $program_id)
          ->where('transformative_actions.by_professor', 0)
          ->select('courses.id')
          ->get();

        $course_id = array();
        foreach ($courses as $key => $course) {
          array_push($course_id, $course->id);
        }
      } else {
        $course_id = array($course_id);
      }
      // if outcome isnt a desired filter, search all outcomes
      if ($outcome_id == 0) {
        $outcomes = DB::table('transformative_actions')
          ->join('transformative_objective_course', 'transformative_objective_course.ta_id', '=', 'transformative_actions.id')
          ->join('criterion_objective_outcome', 'criterion_objective_outcome.objective_id', '=', 'transformative_objective_course.objective_id')
          ->join('outcomes', 'outcomes.id', '=', 'criterion_objective_outcome.outcome_id')
          ->where('transformative_actions.is_custom', 1)
          ->where('transformative_actions.program_id', $program_id)
          ->where('transformative_actions.by_professor', 0)
          ->select('outcomes.id')
          ->groupBy('outcomes.id')
          ->get();
        $outcome_id = array();
        foreach ($outcomes as $key => $outcome) {
          array_push($outcome_id, $outcome->id);
        }
      } else {
        $outcome_id = array($outcome_id);
      }

      // search TA with filters
      $filtered_at = DB::table('transformative_actions')
        ->join('ta_course', 'ta_course.ta_id', '=', 'transformative_actions.id')
        ->join('transformative_objective_course', 'transformative_objective_course.ta_id', '=', 'transformative_actions.id')
        ->join('criterion_objective_outcome', 'criterion_objective_outcome.objective_id', '=', 'transformative_objective_course.objective_id')
        ->where('transformative_actions.is_custom', 1)
        ->where('transformative_actions.program_id', $program_id)
        ->where('transformative_actions.by_professor', 0)
        ->whereIn('transformative_actions.user_id', $professor_id)
        ->whereIn('criterion_objective_outcome.outcome_id', $outcome_id)
        ->whereIn('ta_course.course_id', $course_id)
        ->select('transformative_actions.*')
        ->groupBy('transformative_actions.id')
        ->orderBy('transformative_actions.at_text', 'ASC')
        ->get();
      return $filtered_at;
    }
    // if the user is a professor filtering the editPanel
    elseif ($role == '4' && $panel_id == 'editPanel') {

      // if course isnt a desired filter, search all courses
      if ($course_id == 0) {
        $courses = DB::table('ta_course')
          ->join('transformative_actions', 'transformative_actions.id', '=', 'ta_course.ta_id')
          ->join('courses', 'courses.id', '=', 'ta_course.course_id')
          ->where('transformative_actions.user_id', Auth::user()->id)
          ->where('transformative_actions.is_custom', 1)
          ->where('transformative_actions.program_id', $program_id)
          ->where('transformative_actions.by_professor', 1)
          ->select('courses.id')
          ->get();

        $course_id = array();
        foreach ($courses as $key => $course) {
          array_push($course_id, $course->id);
        }
      } else {
        $course_id = array($course_id);
      }
      // if outcome isnt a desired filter, search all outcomes
      if ($outcome_id == 0) {
        $outcomes = DB::table('transformative_actions')
          ->join('transformative_objective_course', 'transformative_objective_course.ta_id', '=', 'transformative_actions.id')
          ->join('criterion_objective_outcome', 'criterion_objective_outcome.objective_id', '=', 'transformative_objective_course.objective_id')
          ->join('outcomes', 'outcomes.id', '=', 'criterion_objective_outcome.outcome_id')
          ->where('transformative_actions.user_id', Auth::user()->id)
          ->where('transformative_actions.is_custom', 1)
          ->where('transformative_actions.program_id', $program_id)
          ->where('transformative_actions.by_professor', 1)
          ->select('outcomes.id')
          ->groupBy('outcomes.id')
          ->get();
        $outcome_id = array();
        foreach ($outcomes as $key => $outcome) {
          array_push($outcome_id, $outcome->id);
        }
      } else {
        $outcome_id = array($outcome_id);
      }

      // search TA with filters
      $filtered_at = DB::table('transformative_actions')
        ->join('ta_course', 'ta_course.ta_id', '=', 'transformative_actions.id')
        ->join('transformative_objective_course', 'transformative_objective_course.ta_id', '=', 'transformative_actions.id')
        ->join('criterion_objective_outcome', 'criterion_objective_outcome.objective_id', '=', 'transformative_objective_course.objective_id')
        ->where('transformative_actions.user_id', Auth::user()->id)
        ->where('transformative_actions.is_custom', 1)
        ->where('transformative_actions.program_id', $program_id)
        ->where('transformative_actions.by_professor', 1)
        ->whereIn('criterion_objective_outcome.outcome_id', $outcome_id)
        ->whereIn('ta_course.course_id', $course_id)
        ->select('transformative_actions.*')
        ->groupBy('transformative_actions.id')
        ->orderBy('transformative_actions.at_text', 'ASC')
        ->get();
      return $filtered_at;
    }
    return 'ilegal';
  }
}