<?php

namespace Modules\CourseFinder\Services;

use Illuminate\Support\Facades\DB;
use Modules\CourseFinder\Models\Coop;
use Modules\CourseFinder\Models\Program;

class ProgramService
{
    public function findAll($request)
    {
        return Program::when($request, function ($query) use ($request) {
            if ($request->filled('country_id')) {
                $query->whereRelation('institution', 'country_id', $request->country_id);
            }

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

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

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

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

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

            if ($request->filled('location')) {
                $location = $request->location;
                $query->where('location', 'like', "%{$location}%");
            }
            
        })->latest()->paginate(10)->withQueryString();
    }

    public function count()
    {
        return Program::count();
    }

    public function where($filters)
    {
        return Program::where($filters);
    }

    public function getCoursesByStudentPreference($req)
    {
        $arr_Country = [];
        $arr_institution = [];
        $array_institution_unique = [];
        foreach ($req as $request) {
            array_push($arr_institution, $request['institution_id']);
        }
        $array_institution_unique = array_unique($arr_institution);
        $course = Program::whereIn('institution_id', $array_institution_unique)->paginate(10);
        return $course ?? null;
    }
    public function pluck(callable $query = null)
    {
        $baseQuery = Program::query();
        if (is_callable($query)) {
            $query($baseQuery);
        }
        return $baseQuery->pluck('title', 'id');
    }
}