/**
  * Run the database seeds.
  *
  * @return void
  */
 public function run()
 {
     Model::unguard();
     DB::statement('SET FOREIGN_KEY_CHECKS=0;');
     if (Department::count()) {
         return;
     }
     Year::truncate();
     Department::truncate();
     Faculty::truncate();
     Specialty::truncate();
     Term::truncate();
     $specialties = [['name' => 'العلوم الشرعية', 'type' => 'dep', 'code' => 'G'], ['name' => 'الفقه و علومه', 'type' => 'bac', 'code' => 'O'], ['name' => 'الدراسات الاسلامية', 'type' => 'bac', 'code' => 'I']];
     foreach ($specialties as $s) {
         Specialty::create($s);
     }
     $structure = [['name' => 'كلية العلوم الشرعية', 'years' => [['name' => 'السنة الأولى', 'terms' => [['name' => 'الفصل الأول', 'departments' => [['subject_ids' => json_encode([1, 2, 3, 4, 5, 6]), 'spec_id' => 1], ['subject_ids' => json_encode([1, 2, 3, 4, 5, 6]), 'spec_id' => 2], ['subject_ids' => json_encode([1, 2, 3, 4, 5, 6]), 'spec_id' => 3]]], ['name' => 'الفصل الثاني', 'departments' => [['subject_ids' => json_encode([12, 11, 10, 14, 9, 8]), 'spec_id' => 1], ['subject_ids' => json_encode([12, 11, 10, 14, 9, 8]), 'spec_id' => 2], ['subject_ids' => json_encode([12, 11, 10, 14, 9, 8]), 'spec_id' => 3]]]]], ['name' => 'السنة الثانية', 'terms' => [['name' => 'الفصل الثالث', 'departments' => [['subject_ids' => json_encode([15, 16, 17, 18, 19, 20, 21]), 'spec_id' => 1], ['subject_ids' => json_encode([15, 16, 17, 18, 19, 20, 21]), 'spec_id' => 2], ['subject_ids' => json_encode([15, 16, 17, 18, 19, 20, 21]), 'spec_id' => 3]]], ['name' => 'الفصل الرابع', 'departments' => [['subject_ids' => json_encode([22, 23, 24, 29, 26, 27, 29]), 'spec_id' => 1], ['subject_ids' => json_encode([22, 23, 24, 29, 26, 27, 29]), 'spec_id' => 2], ['subject_ids' => json_encode([22, 23, 24, 29, 26, 27, 29]), 'spec_id' => 3]]]]], ['name' => 'السنة الثالثة', 'terms' => [['name' => 'الفصل الخامس', 'departments' => [['subject_ids' => json_encode([31, 32, 33, 34, 30, 35, 36, 39]), 'spec_id' => 2], ['subject_ids' => json_encode([32, 33, 30, 34, 37, 36, 39]), 'spec_id' => 3], ['subject_ids' => json_encode([33, 37]), 'spec_id' => 1]]], ['name' => 'الفصل السادس', 'departments' => [['subject_ids' => json_encode([41, 42, 43, 44, 45, 46, 47, 52]), 'spec_id' => 2], ['subject_ids' => json_encode([31, 50, 46, 47, 48, 49, 51, 52]), 'spec_id' => 3]]]]], ['name' => 'السنة الرابعة', 'terms' => [['name' => 'الفصل السابع', 'departments' => [['subject_ids' => json_encode([53, 54, 55, 56, 57, 58, 59, 77]), 'spec_id' => 2], ['subject_ids' => json_encode([55, 59, 60, 67, 68, 69, 75, 77]), 'spec_id' => 3]]], ['name' => 'الفصل الثامن', 'departments' => [['subject_ids' => json_encode([58, 61, 62, 63, 64, 65, 76, 78]), 'spec_id' => 2], ['subject_ids' => json_encode([58, 66, 70, 71, 72, 73, 74, 78]), 'spec_id' => 3]]]]]]]];
     $last_1_id = null;
     $last_2_id = null;
     $last_3_id = null;
     foreach ($structure as $f) {
         $faculty = Faculty::create(['name' => $f['name']]);
         foreach ($f['years'] as $y) {
             $year = Year::create(['name' => $y['name'], 'faculty_id' => $faculty->id]);
             foreach ($y['terms'] as $t) {
                 $term = Term::create(['year_id' => $year->id, 'name' => $t['name']]);
                 foreach ($t['departments'] as $d) {
                     $department = Department::create(['spec_id' => $d['spec_id'], 'subject_ids' => $d['subject_ids'], 'parent_id' => ${'last_' . $d['spec_id'] . '_id'}, 'term_id' => $term->id]);
                     if ($d['spec_id'] == 1) {
                         $last_1_id = $department->id;
                     } elseif ($d['spec_id'] == 2) {
                         $last_2_id = $department->id;
                     } elseif ($d['spec_id'] == 3) {
                         $last_3_id = $department->id;
                     }
                 }
             }
         }
     }
 }