<?php

class School extends Eloquent
{
	public function programs()
	{
		return $this->hasMany('Program')->orderBy('name', 'asc');
	}

	public function coordinators()
	{
		return $this->hasMany('User');
	}

	public function courses()
	{
		return $this->hasManyThrough('Course', 'Program')->orderBy('name', 'asc');
	}

	public function templates()
	{
		return $this->hasMany('Template')->orderBy('name', 'asc');
	}

	public function getUndergraduateProgramsAttribute()
	{

		return $this->hasMany("Program")->where('is_graduate', 0)->orderBy("name", 'asc');
	}
	public function getGraduateProgramsAttribute()
	{

		return $this->hasMany("Program")->where('is_graduate', 1)->orderBy("name", 'asc');
	}

	//Esto envia

	/*
[
	undergraduate_info:[
		outcomes_attempted_uncombined:{
			outcome_1: count(students),

		}
		outcomes_attempted_combined:{

		}
		outcomes_achieved_uncombined:{

		}
		outcomes_achieved_combined:{
			
		}
	],
	graduate_info:[

	]
]

*/

	public function getSchoolStudentsPerOutcomeAttribute()
	{

		$semesters = Semester::whereIn('id', Session::get('semesters_ids'))->get();

		$outcomes_grad = Outcome::active_by_semesters($semesters, 1);
		$outcomes_undergrad = Outcome::active_by_semesters($semesters, 0);

		$outcomes = Outcome::orderBy('name', 'asc')->get();
		$array_to_send = [];


		$undergraduate_students =
			DB::table('assessments')
			->join('activity_criterion', 'activity_criterion.id', '=', 'assessments.activity_criterion_id')
			->join('activities', 'activities.id', '=', 'activity_criterion.activity_id')
			->join('courses', 'courses.id', '=', 'activities.course_id')
			->join('students', 'students.id', '=', 'assessments.student_id')
			->join('criterion_objective_outcome', 'criterion_objective_outcome.criterion_id', '=', 'activity_criterion.criterion_id')
			->join('rubric_activity', 'rubric_activity.activity_id', '=', 'activities.id')
			->join('rubrics', 'rubrics.id', '=', 'rubric_activity.rubric_id')
			->join('semesters', 'semesters.id', '=', 'courses.semester_id')
			->whereIn('students.program_id', $this->undergraduate_programs->lists('id'))
			->whereIn('semester_id', Session::get('semesters_ids'))
			->where('semesters.is_visible', '=', 1)
			->select('student_id', 'students.program_id', 'semesters.code', 'outcome_id', 'criterion_objective_outcome.criterion_id', 'score', 'expected_points')
			->addSelect(DB::raw("count(activity_criterion.criterion_id) as criteria_attempted"))
			->addSelect(DB::raw("count(CASE WHEN score>= expected_points then 1 else null END) as criteria_achieved"))

			->groupBy('students.id', 'outcome_id')
			->get();

		//$array_to_send["undergraduate_students"] = $undergraduate_students;

		$graduate_students = DB::table('assessments')
			->join('activity_criterion', 'activity_criterion.id', '=', 'assessments.activity_criterion_id')
			->join('activities', 'activities.id', '=', 'activity_criterion.activity_id')
			->join('courses', 'courses.id', '=', 'activities.course_id')
			->join('students', 'students.id', '=', 'assessments.student_id')
			->join('criterion_objective_outcome', 'criterion_objective_outcome.criterion_id', '=', 'activity_criterion.criterion_id')
			->join('rubric_activity', 'rubric_activity.activity_id', '=', 'activities.id')
			->join('rubrics', 'rubrics.id', '=', 'rubric_activity.rubric_id')
			->join('semesters', 'semesters.id', '=', 'courses.semester_id')
			->whereIn('students.program_id', $this->graduate_programs->lists('id'))
			->whereIn('semester_id', Session::get('semesters_ids'))
			->where('semesters.is_visible', '=', 1)
			->select('student_id', 'students.program_id', 'semesters.code', 'outcome_id', 'criterion_objective_outcome.criterion_id', 'score', 'expected_points')
			->addSelect(DB::raw("count(activity_criterion.criterion_id) as criteria_attempted"))
			->addSelect(DB::raw("count(CASE WHEN score>= expected_points then 1 else null END) as criteria_achieved"))

			->groupBy('students.id', 'outcome_id')
			->get();

		//$array_to_send["graduate_students"] = $graduate_students;

		//Log::info(count($graduate_students));
		//Log::info(count($undergraduate_students));

		$outcome_ids = DB::table("outcomes")
			->whereNotNull('new_outcome_id')
			->get();

		$combined_outcomes = [];
		foreach ($outcome_ids as $outcome) {
			$combined_outcomes[$outcome->id] = $outcome->new_outcome_id;
		}

		//Necesito undergraduateCombined, undergraduateUncombined, 
		//lo mismo pa graduate 

		$array_to_send['undergraduate_info'] = [];
		$array_to_send['graduate_info'] = [];

		$array_to_send['undergraduate_info']['outcomes_attempted_uncombined'] = [];
		$array_to_send['undergraduate_info']['outcomes_achieved_uncombined'] = [];
		$array_to_send['graduate_info']['outcomes_attempted_uncombined']  = [];
		$array_to_send['graduate_info']['outcomes_achieved_uncombined'] = [];

		$under_out_att = [];
		$under_out_ach = [];

		foreach ($outcomes as $outcome) {
			$under_out_att[$outcome->id] = 0;
			$under_out_ach[$outcome->id] = 0;
		}


		//las filas son , estudiante, outcome que intentó, criterios_attempted, criterion_achieved, 
		foreach ($undergraduate_students as $result) {
			$crit_att = $result->criteria_attempted;
			$crit_ach = $result->criteria_achieved;


			$under_out_att[$result->outcome_id] += 1;

			if ($crit_att != 0 && ($crit_ach / $crit_att) * 100 >= 66.67) {
				$under_out_ach[$result->outcome_id] += 1;
			}
		}

		$grad_out_att = [];
		$grad_out_ach = [];

		foreach ($outcomes as $outcome) {
			$grad_out_att[$outcome->id] = 0;
			$grad_out_ach[$outcome->id] = 0;
		}


		//las filas son , estudiante, outcome que intentó, criterios_attempted, criterion_achieved, 
		foreach ($graduate_students as $result) {
			$crit_att = $result->criteria_attempted;
			$crit_ach = $result->criteria_achieved;


			$grad_out_att[$result->outcome_id] += 1;

			if ($crit_att != 0 && ($crit_ach / $crit_att) * 100 >= 66.67) {
				$grad_out_ach[$result->outcome_id] += 1;
			}
		}

		$array_to_send['undergraduate_info']['outcomes_attempted_uncombined'] = $under_out_att;
		$array_to_send['undergraduate_info']['outcomes_achieved_uncombined'] = $under_out_ach;
		$array_to_send['graduate_info']['outcomes_attempted_uncombined'] = $grad_out_att;
		$array_to_send['graduate_info']['outcomes_achieved_uncombined'] = $grad_out_ach;


		$array_to_send['undergraduate_info']['outcomes_attempted_combined'] = [];
		$array_to_send['undergraduate_info']['outcomes_achieved_combined'] = [];
		$array_to_send['graduate_info']['outcomes_attempted_combined']  = [];
		$array_to_send['graduate_info']['outcomes_achieved_combined'] = [];

		$under_out_att = [];
		$under_out_ach = [];

		foreach ($outcomes as $outcome) {
			$under_out_att[$outcome->id] = 0;
			$under_out_ach[$outcome->id] = 0;
		}

		//preprocess para combined_students

		$the_processed_table = [];
		foreach ($undergraduate_students as $result) {
			$student_id = $result->student_id;
			$outcome_id = $result->outcome_id;
			if (isset($combined_outcomes[$outcome_id]))
				$outcome_id = $combined_outcomes[$outcome_id];


			if (!isset($the_processed_table[$student_id])) {
				$the_processed_table[$student_id] = [];
			}


			//si en esta tabla, el estudiante no está pareado con este dominio, entonces registra
			// los criterios, achieved y attempted
			if (!isset($the_processed_table[$student_id][$outcome_id])) {
				$the_processed_table[$student_id][$outcome_id] = array(
					"criteria_attempted" => $result->criteria_attempted,
					"criteria_achieved" => $result->criteria_achieved
				);
			}
			//si este estudiante está pareado a este dominio, significa que ahora estoy en los
			//deprecated outcomes.
			else {
				$the_processed_table[$student_id][$outcome_id]['criteria_attempted'] += $result->criteria_attempted;
				$the_processed_table[$student_id][$outcome_id]['criteria_achieved'] += $result->criteria_achieved;
			}
		}


		foreach ($the_processed_table as $student_id => $outcome_ids) {
			foreach ($outcome_ids as $outcome_id => $crit_information) {
				$crit_att = $crit_information['criteria_attempted'];
				$crit_ach = $crit_information['criteria_achieved'];


				$under_out_att[$outcome_id] += 1;

				if ($crit_att != 0 && ($crit_ach / $crit_att) * 100 >= 66.67) {
					$under_out_ach[$outcome_id] += 1;
				}
			}
		}

		$array_to_send['undergraduate_info']['outcomes_attempted_combined'] = $under_out_att;
		$array_to_send['undergraduate_info']['outcomes_achieved_combined'] = $under_out_ach;


		$grad_out_att = [];
		$grad_out_ach = [];

		foreach ($outcomes as $outcome) {
			$grad_out_att[$outcome->id] = 0;
			$grad_out_ach[$outcome->id] = 0;
		}

		//preprocess para combined_students

		$the_processed_table = [];
		foreach ($graduate_students as $result) {
			$student_id = $result->student_id;
			$outcome_id = $result->outcome_id;
			if (isset($combined_outcomes[$outcome_id]))
				$outcome_id = $combined_outcomes[$outcome_id];


			if (!isset($the_processed_table[$student_id])) {
				$the_processed_table[$student_id] = [];
			}


			//si en esta tabla, el estudiante no está pareado con este dominio, entonces registra
			// los criterios, achieved y attempted
			if (!isset($the_processed_table[$student_id][$outcome_id])) {
				$the_processed_table[$student_id][$outcome_id] = array(
					"criteria_attempted" => $result->criteria_attempted,
					"criteria_achieved" => $result->criteria_achieved
				);
			}
			//si este estudiante está pareado a este dominio, significa que ahora estoy en los
			//deprecated outcomes.
			else {
				$the_processed_table[$student_id][$outcome_id]['criteria_attempted'] += $result->criteria_attempted;
				$the_processed_table[$student_id][$outcome_id]['criteria_achieved'] += $result->criteria_achieved;
			}
		}


		foreach ($the_processed_table as $student_id => $outcome_ids) {
			foreach ($outcome_ids as $out_id => $crit_information) {
				$crit_att = $crit_information['criteria_attempted'];
				$crit_ach = $crit_information['criteria_achieved'];


				$grad_out_att[$out_id] += 1;

				if ($crit_att != 0 && ($crit_ach / $crit_att) * 100 >= 66.67) {
					$grad_out_ach[$out_id] += 1;
				}
			}
		}

		$array_to_send['graduate_info']['outcomes_attempted_combined'] = $grad_out_att;
		$array_to_send['graduate_info']['outcomes_achieved_combined'] = $grad_out_ach;
		Log::info($array_to_send);
		return $array_to_send;
	}
}