<?php

namespace App\Http\Controllers\admin\Catalog;

use App\Enums\ExaminationTypeEnum;
use App\Exports\DirectionsExport;
use App\Helpers\SlugHelper;
use App\Http\Controllers\Controller;
use App\Http\Requests\admin\Catalog\StoreDirectionRequest;
use App\Http\Requests\admin\Catalog\UpdateDirectionRequest;
use App\Models\Department;
use App\Models\Direction;
use App\Models\DirectionProfile;
use App\Models\EducationForm;
use App\Models\EducationLevel;
use App\Models\EntranceExamination;
use App\Models\ExaminationType;
use App\Models\Faculty;
use App\Models\Subject;
use App\Models\SubjectType;
use Illuminate\Contracts\View\Factory;
use Illuminate\Contracts\View\View;
use Illuminate\Foundation\Application;
use Illuminate\Http\RedirectResponse;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Log;
use Maatwebsite\Excel\Facades\Excel;
use Spatie\QueryBuilder\AllowedFilter;
use Spatie\QueryBuilder\QueryBuilder;

class DirectionController extends Controller
{
    public function index(): View|Application|Factory|\Illuminate\Contracts\Foundation\Application
    {
        $directions = QueryBuilder::for(Direction::class)
            ->allowedFilters('name')
            ->orderBy('id', 'desc')->get();
//        $directions = Direction::all()->sortBy('created_at', SORT_REGULAR, true);
        $filter = $request->filter ?? null;
        return view('admin.catalog.direction.index', compact('directions', 'filter'));
    }

    public function create(): View|Application|Factory|\Illuminate\Contracts\Foundation\Application
    {
        $levels = EducationLevel::pluck('name', 'id');
        $forms = EducationForm::pluck('name', 'id');
        $departments = Department::all()
            ->reduce(function (?array $carry, $department) {
                $carry[$department->id] = "{$department->name} - {$department->faculty->name}";
                return $carry;
            });
        $examination_types = ExaminationType::pluck('name', 'id');
        $subjects = Subject::pluck('name', 'id');
        $subjectTypes = SubjectType::pluck('name', 'id');
        $directionProfiles = DirectionProfile::pluck('name', 'id');
        return view(
            'admin.catalog.direction.create',
            compact(
                'departments',
                'levels',
                'forms',
                'examination_types',
                'subjectTypes',
                'subjects',
                'directionProfiles',
            )
        );
    }

    public function store(StoreDirectionRequest $request): RedirectResponse
    {

        $validated = $request->validated();
        $slug = SlugHelper::get($validated);

        $direction = new Direction();
        $direction->name = $validated['name'];
        $direction->full_name = "{$validated['code']} {$validated['name']}";
        $direction->description = $validated['description'];
        $direction->position = $validated['position'];
        $direction->slug = $slug;
        $direction->code = $validated['code'];
        $direction->education_level_id = $validated['education_level_id'];
        $direction->education_form_id = $validated['education_form_id'];
        $direction->department_id = $validated['department_id'];
        $direction->budget_places = $validated['budget_places'];
        $direction->quota = $validated['quota'];
        $direction->paid_places = $validated['paid_places'];
        $direction->cost_paid_place = $validated['cost_paid_place'];
        $direction->period = $validated['period'];
        $direction->save();

        if (array_key_exists('entrance-examination', $validated)) {
            foreach ($validated['entrance-examination'] as $data) {
                $entranceExamination = new EntranceExamination();
                $entranceExamination->examination_type_id = $data['examination_type_id'];
                $entranceExamination->direction_id = $direction->id;
                $entranceExamination->subject_id = $data['subject_id'];
                $entranceExamination->scores = $data['scores'];
                $entranceExamination->position = $data['position'];
                $entranceExamination->subject_type_id = $data['subject_type_id'];
                $entranceExamination->save();
            }
        }


        if (array_key_exists('direction_profiles', $validated)) {
            $direction->directionProfiles()->attach($validated['direction_profiles']);
        }

        Log::channel('app')
            ->info(
                'CREATE напр. подготовки {direction} - user {user}',
                [
                    'user' => Auth::user()->name,
                    'direction' => $direction->name,
                    'data' => $validated
                ]
            );
        return redirect()->route('directions.index');
    }

    public function show(Direction $direction): View|Application|Factory|\Illuminate\Contracts\Foundation\Application
    {
        $department = $direction->department;
        $faculty = Faculty::find($department->faculty->id);
        $educationalInstitution = $faculty->educationalInstitution;

        $ege = $direction
            ->entranceExaminations
            ->where('examination_type_id', '=', ExaminationTypeEnum::Ege->value)
            ->sortBy('position')
            ->pluck('scores', 'subject_id');

        $spo = $direction
            ->entranceExaminations->where('examination_type_id', '=', ExaminationTypeEnum::Spo->value)
            ->sortBy('position')
            ->pluck('scores', 'subject_id');

        $magistracy = $direction
            ->entranceExaminations
            ->where('examination_type_id', '=', ExaminationTypeEnum::Magistracy->value)
            ->sortBy('position')
            ->pluck('scores', 'subject_id');

        return view(
            'admin.catalog.direction.show',
            compact(
                'direction',
                'educationalInstitution',
                'faculty',
                'department',
                'ege',
                'spo',
                'magistracy',
            )
        );
    }

    public function edit(Direction $direction): View|Application|Factory|\Illuminate\Contracts\Foundation\Application
    {
        $levels = EducationLevel::pluck('name', 'id');
        $forms = EducationForm::pluck('name', 'id');
        $departments = Department::all()
            ->reduce(function (?array $carry, $department) {
                $carry[$department->id] = "{$department->name} - {$department->faculty->name}";
                return $carry;
            });
        $examination_types = ExaminationType::pluck('name', 'id');
        $subjects = Subject::pluck('name', 'id');
        $subjectTypes = SubjectType::pluck('name', 'id');
        $directionProfiles = DirectionProfile::pluck('name', 'id');
        return view(
            'admin.catalog.direction.edit',
            compact(
                'direction',
                'departments',
                'levels',
                'forms',
                'examination_types',
                'subjectTypes',
                'subjects',
                'directionProfiles',
            )
        );
    }

    public function update(UpdateDirectionRequest $request, Direction $direction): RedirectResponse
    {
        $oldData = $direction->toArray();
        $validated = $request->validated();

        $direction->name = $validated['name'];
        $direction->full_name = "{$validated['code']} {$validated['name']}";
        $direction->description = $validated['description'];
        $direction->position = $validated['position'];
        $direction->slug = $validated['slug'];
        $direction->code = $validated['code'];
        $direction->education_level_id = $validated['education_level_id'];
        $direction->education_form_id = $validated['education_form_id'];
        $direction->department_id = $validated['department_id'];
        $direction->budget_places = $validated['budget_places'];
        $direction->quota = $validated['quota'];
        $direction->paid_places = $validated['paid_places'];
        $direction->cost_paid_place = $validated['cost_paid_place'];
        $direction->period = $validated['period'];

        Log::channel('app')
            ->warning(
                'UPDATE напр. подготовки {direction} - user {user}',
                [
                    'user' => Auth::user()->name,
                    'direction' => $direction->name,
                    'oldData' => $oldData,
                    'newData' => $validated
                ]
            );

        $direction->save();

        if (array_key_exists('entrance-examination', $validated)) {
            foreach ($validated['entrance-examination'] as $id => $data) {
                $entranceExamination = EntranceExamination::firstOrNew(['id' => $id]);
                $entranceExamination->direction_id = $direction->id;
                $entranceExamination->subject_id = $data['subject_id'];
                $entranceExamination->scores = $data['scores'];
                $entranceExamination->position = $data['position'];
                $entranceExamination->subject_type_id = $data['subject_type_id'];
                $entranceExamination->examination_type_id = $data['examination_type_id'];
                $entranceExamination->save();
            }
        }


        if (array_key_exists('delete', $validated)) {
            foreach ($validated['delete'] as $id => $value) {
                $entranceExamination = EntranceExamination::firstOrNew(['id' => $id]);
                $entranceExamination->delete();
            }
        }


        if (array_key_exists('direction_profiles', $validated)) {
            $direction->directionProfiles()->sync($validated['direction_profiles']);
        }

        return redirect()->route('directions.index');
    }

    public function destroy(Direction $direction): RedirectResponse
    {
        $direction->entranceExaminations()->each(fn ($entranceExamination) => $entranceExamination->delete());
        $direction->directionProfiles()->detach();
        $direction->delete();
        Log::channel('app')
            ->critical(
                'DELETE напр. подготовки {direction} - user {user}',
                [
                    'user' => Auth::user()->name,
                    'direction' => $direction->name,
                    'data' => $direction->toArray(),
                ]
            );
        return redirect()->route('directions.index');
    }

    public function duplication(Direction $direction): RedirectResponse
    {
        $now = now()->toAtomString();
        $newDirection = new Direction();
        $newDirection->name = $direction->name;
        $newDirection->full_name = "{$direction->code} {$direction->name}";
        $newDirection->description = $direction->description;
        $newDirection->position = $direction->position;
        $newDirection->slug = "{$direction->slug} {$now}";
        $newDirection->code = $direction->code;
        $newDirection->education_level_id = $direction->education_level_id;
        $newDirection->education_form_id = $direction->education_form_id;
        $newDirection->department_id = $direction->department_id;
        $newDirection->budget_places = $direction->budget_places;
        $newDirection->quota = $direction->quota;
        $newDirection->paid_places = $direction->paid_places;
        $newDirection->cost_paid_place = $direction->cost_paid_place;
        $newDirection->period = $direction->period;
        $newDirection->save();


        foreach ($direction->entranceExaminations as $entranceExamination) {
            $newEntranceExamination = new EntranceExamination();
            $newEntranceExamination->examination_type_id = $entranceExamination->examination_type_id;
            $newEntranceExamination->direction_id = $newDirection->id;
            $newEntranceExamination->subject_id = $entranceExamination->subject_id;
            $newEntranceExamination->scores = $entranceExamination->scores;
            $newEntranceExamination->position = $entranceExamination->position;
            $newEntranceExamination->subject_type_id = $entranceExamination->subject_type_id;
            $newEntranceExamination->save();
        }

        $newDirection->directionProfiles()->attach($direction->directionProfiles);

        Log::channel('app')
            ->info(
                'DUPLICATE напр. подготовки {direction} - user {user}',
                [
                    'user' => Auth::user()->name,
                    'direction' => $direction->name,
                    'data' => $direction->toArray(),
                ]
            );

        return redirect()->route('directions.index');
    }

    public function exportXls()
    {
        return Excel::download(new DirectionsExport(), 'directions.xlsx');
    }
}