<?php

namespace Modules\CourseFinder\Http\Controllers;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Maatwebsite\Excel\Facades\Excel;
use Modules\CCMS\Models\Country;
use Modules\CCMS\Models\Institution;
use Modules\CCMS\Models\Test;
use Modules\CourseFinder\Imports\ProgramImport;
use Modules\CourseFinder\Models\Coop;
use Modules\CourseFinder\Models\Program;
use Modules\CourseFinder\Models\ProgramLevel;
use Modules\CourseFinder\Models\RequiredDocument;
use Modules\CourseFinder\Services\ProgramService;

class ProgramController extends Controller
{
    protected $programService;

    public function __construct(ProgramService $programService)
    {
        $this->programService = $programService;
    }
    /**
     * Display a listing of the resource.
     */
    public function index(Request $request)
    {
        $data['title'] = 'Program List';
        $data['programs'] = $this->programService->findAll($request);
        $data['countryOptions'] = Country::where('status', 1)->pluck('title', 'id');

        $data['institutionOptions'] = Institution::query()
            ->when($request->filled('country_id'), function ($query) use ($request) {
                $query->where('country_id', $request->country_id);
            })
            ->pluck('title', 'id');

        $data['programLevelOptions'] = ProgramLevel::where('status', 1)->pluck('title', 'id');
        $data['intakeOptions'] = Program::INTAKE;
        $data['coopOptions'] = Coop::where('status', 1)->pluck('title', 'id');
        $data['testOptions'] = Test::where('status', 1)->where('parent_id', null)->pluck('title', 'id');
        $data['statusOptions'] = config('constants.page_status_options');

        return view('coursefinder::program.index', $data);
    }

    /**
     * Show the form for creating a new resource.
     */
    public function create()
    {
        $data['title'] = 'Program Create';
        $data['editable'] = false;
        $data['intakeOptions'] = Program::INTAKE;
        $data['institutionOptions'] = Institution::where('status', 1)->pluck('title', 'id');
        $data['programLevelOptions'] = ProgramLevel::where('status', 1)->pluck('title', 'id');
        $data['testOptions'] = Test::where('status', 1)->where('parent_id', null)->pluck('title', 'id');
        $data['coopOptions'] = Coop::where('status', 1)->pluck('title', 'id');
        $data['requiredDocumentOptions'] = RequiredDocument::where('status', 1)->pluck('title', 'id');

        return view('coursefinder::program.create', $data);
    }

    /**
     * Store a newly created resource in storage.
     */
    public function store(Request $request)
    {

        $request->validate([
            'title' => 'required',
        ]);

        $input = $request->except(['prof_test_accepted']);

        DB::transaction(function () use ($input, $request) {

            $program = Program::create($input);

            $attachData = [];

            foreach ($request->prof_test_accepted as $item) {
                $attachData[$item['test_id']] = [
                    'min_score' => $item['min_score'],
                    'band_score' => $item['band_score'],
                ];
            }

            $program->tests()->sync($attachData);

            flash()->success('Program has been created!');
        });

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

    /**
     * Show the specified resource.
     */
    public function show($id)
    {
        $data['title'] = 'View Program';
        $data['program'] = Program::findOrFail($id);
        $data['intakeOptions'] = Program::INTAKE;
        return view('coursefinder::program.show', $data);
    }

    /**
     * Show the form for editing the specified resource.
     */
    public function edit($id)
    {
        $data['title'] = 'Edit Program';
        $data['editable'] = true;
        $data['program'] = Program::findOrFail($id);
        $data['intakeOptions'] = Program::INTAKE;
        $data['institutionOptions'] = Institution::where('status', 1)->pluck('title', 'id');
        $data['programLevelOptions'] = ProgramLevel::where('status', 1)->pluck('title', 'id');
        $data['testOptions'] = Test::where('status', 1)->where('parent_id', null)->pluck('title', 'id');
        $data['coopOptions'] = Coop::where('status', 1)->pluck('title', 'id');
        $data['requiredDocumentOptions'] = RequiredDocument::where('status', 1)->pluck('title', 'id');
        return view('coursefinder::program.edit', $data);
    }

    /**
     * Update the specified resource in storage.
     */
    public function update(Request $request, $id)
    {
        $input = $request->except(['prof_test_accepted']);

        DB::transaction(function () use ($input, $request, $id) {
            $program = Program::findOrFail($id);
            $program->update($input);

            $attachData = [];

            foreach ($request->prof_test_accepted as $item) {
                $attachData[$item['test_id']] = [
                    'min_score' => $item['min_score'],
                    'band_score' => $item['band_score'],
                ];
            }

            $program->tests()->sync($attachData);
        });

        flash()->success('program has been updated!');

        return redirect()->route('program.index')->withSuccess('Program has been updated!');
    }

    /**
     * Remove the specified resource from storage.
     */
    public function destroy($id)
    {
        try {
            $program = Program::findOrFail($id);
            $program->delete();

            flash()->success('Program has been deleted!');
        } catch (\Throwable $th) {
            flash()->error($th->getMessage());
        }
        return response()->json(['status' => 200, 'message' => 'Program has been deleted!'], 200);
    }

    public function getProgramByInstitution(Request $request)
    {
        try {
            $program = Program::where(['institution_id' => $request->institution_id])
                ->select('id', 'title')
                ->get();
            return response()->json([
                'status' => true,
                'data' => $program,
                'msg' => 'Fetch',
            ], 200);
        } catch (\Throwable $th) {
            return response()->json([
                'status' => false,
                'msg' => $th->getMessage(),
            ], 500);
        }
    }

    public function import(Request $request)
    {
        DB::beginTransaction();
        try {
            Excel::import(new ProgramImport(), $request->file('file')->store('temp'));
            DB::commit();
            return redirect()->back()->with('success', "Upload Succesfully");
        } catch (\Throwable $th) {
            DB::rollback();
            return redirect()->back()->with('error', $th->getMessage());
        }
    }

    public function getCoursesList(Request $request)
    {
        $data['intakes'] = Program::INTAKE;

        $query = Program::query();

        if ($request->filled('countries_id')) {
            $query->whereRelation('institution', 'countries_id', $request->countries_id);
        }

        if ($request->filled('institution_id')) {
            $query->where('institutions_id', $request->institution_id);
        }

        if ($request->filled('search')) {
            $query->where('title', 'like', "%{$request->search}%");
        }

        if ($request->filled('programlevels_id')) {
            $query->where('programlevels_id', $request->programlevels_id);
        }

        if ($request->filled('intake_id')) {
            $query->whereJsonContains('intakes', $request->intake_id);
        }

        if ($request->filled('preffered_location')) {
            $query->where('location', 'like', "%{$request->preffered_location}%");
        }

        if ($request->filled('service_id')) {
            $query->whereRelation('services', 'service_id', '=', $request->service_id);

            if ($request->filled('min_score')) {
                $query->whereRelation('services', 'min_score', '<=', $request->min_score);
            }

            if ($request->filled('max_score')) {
                $query->whereRelation('services', 'band_score', '<=', $request->max_score);
            }
        }

        $data['courses'] = $query
            ->orderBy('title', 'asc')
            ->paginate(10)
            ->withQueryString();

        $queryCount = $data['courses']->total();

        if ($request->ajax()) {
            $view = view('client.raffles.pages.course.list', $data)->render();
            return response()->json(['html' => $view, 'queryCount' => $queryCount]);
        }
    }
}