@php

	// 다중호출 시 javascript binding의 중복을 방지하기 위해 랜덤키를 생성
	$element_key = 'key-'.Str::random(16);

	// 잠금 설정
	$lock = isset($lock) && $lock === true;

	// 객체 name attribute
	$var_input_name = isset($input_name) ? $input_name : ['school' => 'school_id', 'course' => 'course_id'];

	// 변수 전환
	$var_school_id = preg_replace('/[\[\]]/', '', $var_input_name['school']);
	$var_course_id = preg_replace('/[\[\]]/', '', $var_input_name['course']);
	$school_id = isset($$var_school_id) ? $$var_school_id : '';
	$course_id = isset($$var_course_id) ? $$var_course_id : '';
	if (!isset($school_name) && isset($var_input_name['school_name'])) {
		$var_school_name = $var_input_name['school_name'];
		$school_name = $$var_school_name;
	}
	if (!isset($course_name) && isset($var_input_name['course_name'])) {
		$var_course_name = $var_input_name['course_name'];
		$course_name = $$var_course_name;
	}

	// 학교 데이터
	$schools = App\Model\School::rank()->enabled();
	if (isset($code_country) && $code_country) {
		$schools = $schools->country($code_country);
	}
	if (isset($code_uhaktype) && $code_uhaktype) {
		$schools = $schools->uhaktype($code_uhaktype);
	}
	$schools = $schools->orderBy('school_name')->orderBy('school_uid')->get();

	// 코스 데이터
	$courses = null;
	if ($school_id) {
		$school = App\Model\School::find($school_id);
		if ($school) {
			$courses = $school->course;
		}
	}
@endphp

@push('head')
<script type="text/javascript">
	$(document).ready(function() {

		// 학교별 과정 로드
		$('.ui-school.{{ $element_key }} select.school_id').change(function() {
			if (!$(this).val()) return;

			var course = $(this).closest('.ui-school').find('select.course_id');
			course.find('optgroup,option').remove();
			course.append('<option value=""></option>');
			course.selectbox();

			$.edm_ajax({
				type:'GET',
				closeDelay:0,
				url:'{{ URL::route('school.data', 'course') }}?school_id=' + $(this).val(),
				data:{json:true},
				success:function(el, data) {
					var year = null, optgroup = null;

					for (var i in data) {
						if (data[i]['course_req_year']) {
							if (data[i]['course_id'] >= 0) {
								if (year === null || year != data[i]['course_req_year']) {
									optgroup = $('<optgroup label="' + data[i]['course_req_year'] + ' Year"></optgroup>');
									optgroup.append('<option value="' + data[i]['course_id'] + '">' + data[i]['course_title'] + '</option>');
									course.append(optgroup);
								} else {
									optgroup.append('<option value="' + data[i]['course_id'] + '">' + data[i]['course_title'] + '</option>');
								}
								year = data[i]['course_req_year'];
							}
						} else {
							course.append('<option value="' + data[i]['course_id'] + '">' + data[i]['course_title'] + '</option>');
						}
					}

					course.find('option[value=""]').remove();
					if (course.find('optgroup').length) {
						course.append('<optgroup label="None"><option value="">{{ Lang::get('template_school.word.no_course_enter_note') }}</option></optgroup>');
					} else {
						course.append('<option value="">{{ Lang::get('template_school.word.no_course_enter_note') }}</option>');
					}

					course.selectbox({
						placeholder:{
							id:-1
						}
					});
				}
			});
		});

		@if (($courses && $courses->count()) || $course_id !== '')
			$('.ui-school.{{ $element_key }} select.course_id').selectbox({
				placeholder:{
					id:-1
				}
			});
		@endif
	});
</script>
@endpush
<div class="ui-school {{ $element_key }}">
	<div class="selectbox display-searchbox">
		<select class="form-control school_id required" name="{{ $var_input_name['school'] or 'school_id' }}" data-placeholder="{{ $lock ? '' : 'Please select a school.' }}" @readonly($lock)>
			<option></option>
		@if ($schools && count($schools) > 0)
			@foreach ($schools as $school)
				<option value="{{ $school->school_uid }}" @isEqual($school_id, $school->school_uid, 'selected')>{{ ($school_id && $school_id == $school->school_uid && isset($school_name)) ? $school_name : $school->school_name }}</option>
			@endforeach
			@if ($school_id && !in_array($school_id, $schools->pluck('school_uid')->all()))
				<option value="{{ $school_id }}" selected>{{ $school_name or '' }}</option>
			@endif
		@elseif ($school_id)
			<option value="{{ $school_id }}" selected>{{ $school_name or '' }}</option>
		@endif
		</select>
	</div>
	<div class="selectbox display-searchbox close-marginT">
		@php
			if ($courses) {
				$years = $courses->pluck('course_req_year')
							 	 ->unique()
							 	 ->filter(function($value) {
									  return $value !== null;
							 	 })
							 	 ->sort(function($a, $b) {
									  return $a < $b;
							 	 });
			}
		@endphp
		<select class="form-control course_id" name="{{ $var_input_name['course'] or 'course_id' }}" data-placeholder="{{ $lock ? '' : 'Please select a program.' }}" @readonly($lock)>
			{{-- key-value 형태가 아닌 케이스에 대해 이름으로 검색 --}}
			@if ($courses && $courses->count())
				@if ($years->isEmpty())
					{{-- 연도가 없는 경우 --}}
					@foreach ($courses as $course)
						<option value="{{ $course['course_id'] }}" @isEqual($course_id, $course['course_id'], 'selected')>{{ ($course_id !== '' && $course_id == $course['course_id'] && isset($course_name)) ? $course_name : $course['course_title'] }}</option>
					@endforeach
				@else
					{{-- 연도가 있는 경우 OPTGROUP --}}
					@foreach ($years as $year)
						<optgroup label="{{ $year }} Year">
							@foreach ($courses->where('course_req_year', $year) as $course)
								<option value="{{ $course['course_id'] }}" @isEqual($course_id, $course['course_id'], 'selected')>{{ ($course_id !== '' && $course_id == $course['course_id'] && isset($course_name)) ? $course_name : $course['course_title'] }}</option>
							@endforeach
						</optgroup>
					@endforeach
				@endif
				@if ($course_id !== '' && isset($course_name) && (!in_array($course_id, $courses->pluck('course_id')->all()) || !in_array($course_name, $courses->pluck('course_title')->all())))
					<option value="{{ $course_id }}" selected>{{ $course_name or '' }}</option>
				@endif
				@if ($years->isEmpty())
					<option value="" {{ $course_id === '' ? 'selected' : '' }}>{{ Lang::get('template_school.word.no_course_enter_note') }}</option>
				@else
					<optgroup label="None">
						<option value="" {{ $course_id === '' ? 'selected' : '' }}>{{ Lang::get('template_school.word.no_course_enter_note') }}</option>
					</optgroup>
				@endif
			@elseif ($course_id !== '')
				<option value="{{ $course_id }}" selected>{{ $course_name or '' }}</option>
				<option value="">{{ Lang::get('template_school.word.no_course_enter_note') }}</option>
			@else
				<option></option>
			@endif
		</select>
	</div>
</div>