<?php

class SchoolCoordinatorsController extends \BaseController
{

    private function participatingPrograms($school)
    {
        return DB::table('VIEW_participating_programs')
            ->where('school_id', $school->id)
            ->whereIn('semester_id', Session::get('semesters_ids'))
            ->lists('id');
    }

    public function overview()
    {
        DB::disableQueryLog();
        Log::debug('user' . Auth::user()->id);

        //TODO Find a better way to prevent non-scoords from reaching the page
        switch (Auth::user()->role) {
            case 1:
                return Redirect::to('administrator');
                break;
            case 3:
                return Redirect::to('program-coordinator');
                break;
        }

        $schools = School::orderBy('name', 'asc')->get();
        $school = Auth::user()->school;
        $title = $school->name . ' ' . 'Overview';
        $id = $school->id;

        $outcomes = Outcome::orderBy('name', 'asc')->get();
        $outcomeCount = Outcome::all()->count();

        /** 
         * List of grouped courses (grouped sections)
         */

        $program_ids = $school->programs->lists('id');

        $undergrad_programs = DB::table('programs')
            ->select('id', 'name', 'school_id', 'is_graduate')
            ->where('is_graduate', '=', 0)
            ->where('school_id', '=', $id)
            ->orderBy('name', 'ASC')
            ->get();

        $grad_programs = DB::table('programs')
            ->select('id', 'name', 'school_id', 'is_graduate')
            ->where('is_graduate', '=', 1)
            ->where('school_id', '=', $id)
            ->orderBy('name', 'ASC')
            ->get();


        /*$grad_grouped_courses = Course::select(DB::raw('courses.name, courses.code, courses.number, max(courses.outcomes_attempted) as outcomes_attempted, courses.semester_id, courses.program_id'))
            ->with('semester')
            ->with('program')
            ->whereIn('courses.program_id', $program_ids)
            ->whereIn('courses.semester_id', Session::get('semesters_ids'))
            ->leftJoin('programs', 'courses.program_id', '=', 'programs.id')
            ->where('programs.is_graduate', '=', 1)
            ->groupBy(array('courses.code', 'courses.number', 'courses.semester_id'))
            ->orderBy('courses.code')
            ->orderBy('courses.number')
            ->orderBy('courses.semester_id')
            ->get();*/

        $grad_grouped_courses = Course::select(DB::raw('courses.name, courses.code, courses.number, courses.semester_id, courses.program_id'))
            ->with('semester')
            ->with('program')
            ->whereIn('courses.program_id', $program_ids)
            ->whereIn('courses.semester_id', Session::get('semesters_ids'))
            ->leftJoin('programs', 'courses.program_id', '=', 'programs.id')
            ->where('programs.is_graduate', '=', 1)
            ->groupBy(array('courses.code', 'courses.number', 'courses.semester_id'))
            ->orderBy('courses.code')
            ->orderBy('courses.number')
            ->orderBy('courses.semester_id')
            ->get();


        /*$undergrad_grouped_courses = Course::select(DB::raw('courses.name, courses.code, courses.number, max(courses.outcomes_attempted) as outcomes_attempted, courses.semester_id, courses.program_id'))
            ->with('semester')
            ->with('program')
            ->whereIn('courses.program_id', $program_ids)
            ->whereIn('courses.semester_id', Session::get('semesters_ids'))
            ->leftJoin('programs', 'courses.program_id', '=', 'programs.id')
            ->where('programs.is_graduate', '=', 0)
            ->groupBy(array('courses.code', 'courses.number', 'courses.semester_id'))
            ->orderBy('courses.code')
            ->orderBy('courses.number')
            ->orderBy('courses.semester_id')
            ->get();*/

        $undergrad_grouped_courses = Course::select(DB::raw('courses.name, courses.code, courses.number, courses.semester_id, courses.program_id'))
            ->with('semester')
            ->with('program')
            ->whereIn('courses.program_id', $program_ids)
            ->whereIn('courses.semester_id', Session::get('semesters_ids'))
            ->leftJoin('programs', 'courses.program_id', '=', 'programs.id')
            ->where('programs.is_graduate', '=', 0)
            ->groupBy(array('courses.code', 'courses.number', 'courses.semester_id'))
            ->orderBy('courses.code')
            ->orderBy('courses.number')
            ->orderBy('courses.semester_id')
            ->get();

        // Fetch programs with participation
        $participating_programs = $this->participatingPrograms($school);


        /**
         * Calculate how many sections are doing assessment
         */

        $undergrad_outcomes_achieved = array_fill(1, $outcomeCount, 0);
        $undergrad_outcomes_attempted = array_fill(1, $outcomeCount, 0);
        $undergrad_assessed_sections_count = 0;
        $undergrad_school_sections_count = 0;

        $grad_outcomes_achieved = array_fill(1, $outcomeCount, 0);
        $grad_outcomes_attempted = array_fill(1, $outcomeCount, 0);
        $grad_assessed_sections_count = 0;
        $grad_school_sections_count = 0;
        /*
        foreach ($school->programs as $program) {
            foreach ($program->courses as $course) {
                if (!$course->program->is_graduate) {
                    if ($course->outcomes_achieved != NULL) {
                        $course_outcomes_achieved = json_decode($course->outcomes_achieved, true);
                        $course_outcomes_attempted = json_decode($course->outcomes_attempted, true);
                        for ($i = 1; $i <= count($undergrad_outcomes_attempted); $i++) {
                            $undergrad_outcomes_achieved[$i] += $course_outcomes_achieved[$i];
                            $undergrad_outcomes_attempted[$i] += $course_outcomes_attempted[$i];
                        }
                        $undergrad_assessed_sections_count += 1;
                    }
                    $undergrad_school_sections_count += 1;
                } else {
                    if ($course->outcomes_achieved != NULL) {
                        $course_outcomes_achieved = json_decode($course->outcomes_achieved, true);
                        $course_outcomes_attempted = json_decode($course->outcomes_attempted, true);
                        for ($i = 1; $i <= count($grad_outcomes_attempted); $i++) {
                            $grad_outcomes_achieved[$i] += $course_outcomes_achieved[$i];
                            $grad_outcomes_attempted[$i] += $course_outcomes_attempted[$i];
                        }
                        $grad_assessed_sections_count += 1;
                    }
                    $grad_school_sections_count += 1;
                }
            }
        }
*/

        foreach ($school->programs as $program) {
            foreach ($program->courses as $course) {
                if (!$course->program->is_graduate) {
                    if ($course->outcomes_achieved != NULL) {
                        $course_outcomes_achieved = $course->outcomes_ach();
                        $course_outcomes_attempted = $course->outcomes_att();
                        foreach ($course_outcomes_attempted as $i => $score) {

                            $undergrad_outcomes_attempted[$i] += $score;
                        }
                        foreach ($course_outcomes_achieved as $i => $score) {
                            $undergrad_outcomes_achieved[$i] += $score;
                        }
                        $undergrad_assessed_sections_count += 1;
                    }
                    $undergrad_school_sections_count += 1;
                } else {
                    if ($course->outcomes_achieved != NULL) {
                        $course_outcomes_achieved = $course->outcomes_ach();
                        $course_outcomes_attempted = $course->outcomes_att();
                        foreach ($course_outcomes_attempted as $i => $score) {

                            $grad_outcomes_attempted[$i] += $score;
                        }
                        foreach ($course_outcomes_achieved as $i => $score) {
                            $grad_outcomes_achieved[$i] += $score;
                        }
                        $grad_assessed_sections_count += 1;
                    }
                    $grad_school_sections_count += 1;
                }
            }
        }

        /**
         * Calculate how many programs achieved and attempted each outcome in this school
         */

        // Number of programs that achieved a particular learning outcome
        $achievedUndergradProgramsPerOutcome = array_fill(1, $outcomeCount, 0);

        // Number of programs that attempted a particular learning outcome
        $attemptedUndergradProgramsPerOutcome = array_fill(1, $outcomeCount, 0);

        // Fetch programs with participation for the school
        $participating_undergrad_programs = DB::table('VIEW_participating_programs')
            ->whereIn('semester_id', Session::get('semesters_ids'))
            ->where('is_graduate', 0)
            ->where('school_id', $school->id)
            ->groupBy('id')
            ->get();

        $output = array();


        // For each outcome 
        foreach ($outcomes as $outcome) {
            // For each program with courses that do assessment
            $programs_with_courses = Program::with(array('courses' => function ($query) {

                // $query->whereNotNull('outcomes_attempted');
                $query->whereIn('semester_id', Session::get('semesters_ids'));
                $query->join('activities', 'activities.course_id', '=', 'courses.id')
                    ->join('activity_criterion as ac', 'ac.activity_id', '=', 'activities.id')
                    ->join('assessments', 'assessments.activity_criterion_id', '=', 'ac.id')
                    ->where('activities.draft', 0)
                    ->select('courses.*')->distinct();
            }))->where('is_graduate', 0)->where('school_id', $school->id)->orderBy('name', 'asc')->get();

            foreach ($programs_with_courses as $program) {
                // To acummulate all criteria for one program
                $achieved_outcomes_per_undergrad_program = array_fill(1, $outcomeCount, 0);
                $attempted_outcomes_per_undergrad_program = array_fill(1, $outcomeCount, 0);

                //Flag for counting programs
                $flag = false;

                // For each course in the program
                foreach ($program->courses as $course) {
                    // If the outcome in question is being evaluated
                    $course_outcomes_attempted2 = $course->outcomes_att(); //json_decode($course->outcomes_attempted, true);
                    $course_outcomes_achieved2 = $course->outcomes_ach(); //json_decode($course->outcomes_achieved, true);
                    if (
                        array_key_exists($outcome->id, $course_outcomes_attempted2)
                        && $course_outcomes_attempted2[$outcome->id] > 0
                    ) {
                        $achieved_outcomes_per_undergrad_program[$outcome->id] += $course_outcomes_achieved2[$outcome->id];
                        $attempted_outcomes_per_undergrad_program[$outcome->id] += $course_outcomes_attempted2[$outcome->id];

                        // Add one to the programs assessing, if it wasn't added before
                        if (!$flag) {
                            $attemptedUndergradProgramsPerOutcome[$outcome->id] += 1;
                            $flag = true;
                        }
                    }

                    // $output[] = 'ACHIEVED: '.$program->name.'-'.json_encode($achieved_outcomes_per_undergrad_program);
                    // $output[] = 'ATTEMPTED: '.$program->name.'-'.json_encode($attempted_outcomes_per_program);

                }
                //If the accumulated achieved criteria for a specific outcome in a program divided by the accumulated attempted criteria for a specific outcome in a program is greated than the expected outcome
                if ($attempted_outcomes_per_undergrad_program[$outcome->id] != 0 && (float)$achieved_outcomes_per_undergrad_program[$outcome->id] / $attempted_outcomes_per_undergrad_program[$outcome->id] * 100 >= $outcome->expected_outcome) {
                    $achievedUndergradProgramsPerOutcome[$outcome->id] += 1;
                    // $output[]= 'END OF PROGRAM: '.$program->name.'-'.json_encode($achievedProgramsPerOutcome);
                }
            }
        }

        /**
         * Calculate how many programs achieved and attempted each outcome in this school
         */

        // Number of programs that achieved a particular learning outcome
        $achievedGradProgramsPerOutcome = array_fill(1, $outcomeCount, 0);

        // Number of programs that attempted a particular learning outcome
        $attemptedGradProgramsPerOutcome = array_fill(1, $outcomeCount, 0);

        // Fetch programs with participation for the school
        $participating_grad_programs = DB::table('VIEW_participating_programs')
            ->whereIn('semester_id', Session::get('semesters_ids'))
            ->where('is_graduate', 1)
            ->where('school_id', $school->id)
            ->groupBy('id')
            ->get();

        $output = array();


        // For each outcome 
        foreach ($outcomes as $outcome) {
            // For each program with courses that do assessment
            $programs_with_courses = Program::with(array('courses' => function ($query) {
                //$query->whereNotNull('outcomes_attempted');

                $query->whereIn('semester_id', Session::get('semesters_ids'));
                $query->join('activities', 'activities.course_id', '=', 'courses.id')
                    ->join('activity_criterion as ac', 'ac.activity_id', '=', 'activities.id')
                    ->join('assessments', 'assessments.activity_criterion_id', '=', 'ac.id')
                    ->where('activities.draft', 0)
                    ->select('courses.*')->distinct();
            }))->where('is_graduate', 1)->where('school_id', $school->id)->orderBy('name', 'asc')->get();

            foreach ($programs_with_courses as $program) {
                // To acummulate all criteria for one program
                $achieved_outcomes_per_grad_program = array_fill(1, $outcomeCount, 0);
                $attempted_outcomes_per_grad_program = array_fill(1, $outcomeCount, 0);

                //Flag for counting programs
                $flag = false;

                // For each course in the program
                foreach ($program->courses as $course) {
                    // If the outcome in question is being evaluated
                    $course_outcomes_attempted2 = $course->outcomes_att();  // json_decode($course->outcomes_attempted, true);
                    $course_outcomes_achieved2 = $course->outcomes_ach(); //json_decode($course->outcomes_achieved, true);
                    if (
                        array_key_exists($outcome->id, $course_outcomes_attempted2)
                        && $course_outcomes_attempted2[$outcome->id] > 0
                    ) {
                        $achieved_outcomes_per_grad_program[$outcome->id] += $course_outcomes_achieved2[$outcome->id];
                        $attempted_outcomes_per_grad_program[$outcome->id] += $course_outcomes_attempted2[$outcome->id];

                        // Add one to the programs assessing, if it wasn't added before
                        if (!$flag) {
                            $attemptedGradProgramsPerOutcome[$outcome->id] += 1;
                            $flag = true;
                        }
                    }

                    // $output[] = 'ACHIEVED: '.$program->name.'-'.json_encode($achieved_outcomes_per_grad_program);
                    // $output[] = 'ATTEMPTED: '.$program->name.'-'.json_encode($attempted_outcomes_per_program);

                }
                //If the accumulated achieved criteria for a specific outcome in a program divided by the accumulated attempted criteria for a specific outcome in a program is greated than the expected outcome
                if ($attempted_outcomes_per_grad_program[$outcome->id] != 0 && (float)$achieved_outcomes_per_grad_program[$outcome->id] / $attempted_outcomes_per_grad_program[$outcome->id] * 100 >= $outcome->expected_outcome) {
                    $achievedGradProgramsPerOutcome[$outcome->id] += 1;
                    // $output[]= 'END OF PROGRAM: '.$program->name.'-'.json_encode($achievedProgramsPerOutcome);
                }
            }
        }
        return View::make('local.managers.shared.school', compact('title', 'outcomes', 'undergrad_programs', 'grad_programs', 'undergrad_outcomes_attempted', 'grad_outcomes_attempted', 'undergrad_outcomes_achieved', 'grad_outcomes_achieved', 'schools', 'school', 'undergrad_assessed_sections_count', 'grad_assessed_sections_count', 'undergrad_school_sections_count', 'grad_school_sections_count', 'achievedUndergradProgramsPerOutcome', 'achievedGradProgramsPerOutcome', 'attemptedUndergradProgramsPerOutcome', 'attemptedGradProgramsPerOutcome', 'grad_grouped_courses', 'undergrad_grouped_courses', 'participating_programs', 'participating_undergrad_programs', 'participating_grad_programs'));
    }
}