-- School Management System Database
-- Generated from the Laravel migration files in this package.
-- MySQL / MariaDB compatible.
-- Import this file in phpMyAdmin after creating your database.
--
-- IMPORTANT:
-- The demo accounts below all use the temporary password:
-- ChangeMe123!
-- Change the passwords immediately after first login.


-- Laravel migration tracking table
CREATE TABLE IF NOT EXISTS `migrations` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `migration` varchar(255) NOT NULL,
  `batch` int NOT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `migrations_migration_unique` (`migration`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `sessions` (
  `id` varchar(255) NOT NULL,
  `user_id` bigint unsigned DEFAULT NULL,
  `ip_address` varchar(45) DEFAULT NULL,
  `user_agent` text DEFAULT NULL,
  `payload` longtext NOT NULL,
  `last_activity` int NOT NULL,
  PRIMARY KEY (`id`),
  KEY `sessions_user_id_index` (`user_id`),
  KEY `sessions_last_activity_index` (`last_activity`),
  CONSTRAINT `sessions_user_id_foreign` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `school_classes` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `name` varchar(20) NOT NULL,
  `section` varchar(5) NOT NULL,
  `fee` int unsigned NOT NULL DEFAULT 0,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `school_classes_name_section_unique` (`name`,`section`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `subjects` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `name` varchar(100) NOT NULL,
  `school_class_id` bigint unsigned NOT NULL,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `subjects_name_school_class_id_unique` (`name`,`school_class_id`),
  CONSTRAINT `subjects_school_class_id_foreign` FOREIGN KEY (`school_class_id`) REFERENCES `school_classes` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `teachers` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `user_id` bigint unsigned NOT NULL,
  `first_name` varchar(100) NOT NULL,
  `last_name` varchar(100) NOT NULL,
  `father_name` varchar(150) DEFAULT NULL,
  `gender` enum('male','female','other') NOT NULL,
  `dob` date NOT NULL,
  `photo_path` varchar(255) DEFAULT NULL,
  `phone` varchar(20) NOT NULL,
  `address` varchar(512) DEFAULT NULL,
  `city` varchar(50) DEFAULT NULL,
  `zip` varchar(20) DEFAULT NULL,
  `state` varchar(50) DEFAULT NULL,
  `school_class_id` bigint unsigned DEFAULT NULL,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `teachers_user_id_unique` (`user_id`),
  KEY `teachers_school_class_id_index` (`school_class_id`),
  CONSTRAINT `teachers_user_id_foreign` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  CONSTRAINT `teachers_school_class_id_foreign` FOREIGN KEY (`school_class_id`) REFERENCES `school_classes` (`id`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `subject_teacher` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `subject_id` bigint unsigned NOT NULL,
  `teacher_id` bigint unsigned NOT NULL,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `subject_teacher_subject_id_teacher_id_unique` (`subject_id`,`teacher_id`),
  CONSTRAINT `subject_teacher_subject_id_foreign` FOREIGN KEY (`subject_id`) REFERENCES `subjects` (`id`) ON DELETE CASCADE,
  CONSTRAINT `subject_teacher_teacher_id_foreign` FOREIGN KEY (`teacher_id`) REFERENCES `teachers` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `teacher_guardians` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `teacher_id` bigint unsigned NOT NULL,
  `name` varchar(256) NOT NULL,
  `phone` varchar(20) NOT NULL,
  `address` varchar(256) DEFAULT NULL,
  `city` varchar(50) DEFAULT NULL,
  `zip` varchar(20) DEFAULT NULL,
  `relation` varchar(100) NOT NULL,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  CONSTRAINT `teacher_guardians_teacher_id_foreign` FOREIGN KEY (`teacher_id`) REFERENCES `teachers` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `students` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `user_id` bigint unsigned DEFAULT NULL,
  `first_name` varchar(100) NOT NULL,
  `last_name` varchar(100) NOT NULL,
  `father_name` varchar(200) DEFAULT NULL,
  `gender` enum('male','female','other') NOT NULL,
  `school_class_id` bigint unsigned NOT NULL,
  `dob` date NOT NULL,
  `photo_path` varchar(255) DEFAULT NULL,
  `phone` varchar(15) DEFAULT NULL,
  `email` varchar(100) DEFAULT NULL,
  `address` varchar(200) DEFAULT NULL,
  `city` varchar(50) DEFAULT NULL,
  `zip` varchar(20) DEFAULT NULL,
  `state` varchar(50) DEFAULT NULL,
  `admission_status` enum('pending','approved','rejected') NOT NULL DEFAULT 'pending',
  `requested_at` timestamp NULL DEFAULT NULL,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `students_user_id_unique` (`user_id`),
  KEY `students_school_class_id_index` (`school_class_id`),
  CONSTRAINT `students_user_id_foreign` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  CONSTRAINT `students_school_class_id_foreign` FOREIGN KEY (`school_class_id`) REFERENCES `school_classes` (`id`) ON DELETE RESTRICT
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `student_guardians` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `student_id` bigint unsigned NOT NULL,
  `name` varchar(200) NOT NULL,
  `phone` varchar(20) NOT NULL,
  `address` varchar(200) DEFAULT NULL,
  `city` varchar(100) DEFAULT NULL,
  `zip` varchar(50) DEFAULT NULL,
  `relation` varchar(256) NOT NULL,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  CONSTRAINT `student_guardians_student_id_foreign` FOREIGN KEY (`student_id`) REFERENCES `students` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `attendances` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `student_id` bigint unsigned NOT NULL,
  `school_class_id` bigint unsigned NOT NULL,
  `date` date NOT NULL,
  `status` enum('present','absent','late','leave') NOT NULL,
  `recorded_by` bigint unsigned DEFAULT NULL,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `attendances_student_id_date_unique` (`student_id`,`date`),
  KEY `attendances_status_index` (`status`),
  KEY `attendances_school_class_id_date_index` (`school_class_id`,`date`),
  CONSTRAINT `attendances_student_id_foreign` FOREIGN KEY (`student_id`) REFERENCES `students` (`id`) ON DELETE CASCADE,
  CONSTRAINT `attendances_school_class_id_foreign` FOREIGN KEY (`school_class_id`) REFERENCES `school_classes` (`id`) ON DELETE CASCADE,
  CONSTRAINT `attendances_recorded_by_foreign` FOREIGN KEY (`recorded_by`) REFERENCES `users` (`id`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `timetable_slots` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `school_class_id` bigint unsigned NOT NULL,
  `day_of_week` enum('mon','tue','wed','thu','fri','sat') NOT NULL,
  `start_time` time NOT NULL,
  `end_time` time NOT NULL,
  `subject_id` bigint unsigned NOT NULL,
  `teacher_id` bigint unsigned DEFAULT NULL,
  `updated_by` bigint unsigned DEFAULT NULL,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `timetable_slots_school_class_id_day_of_week_index` (`school_class_id`,`day_of_week`),
  CONSTRAINT `timetable_slots_school_class_id_foreign` FOREIGN KEY (`school_class_id`) REFERENCES `school_classes` (`id`) ON DELETE CASCADE,
  CONSTRAINT `timetable_slots_subject_id_foreign` FOREIGN KEY (`subject_id`) REFERENCES `subjects` (`id`) ON DELETE CASCADE,
  CONSTRAINT `timetable_slots_teacher_id_foreign` FOREIGN KEY (`teacher_id`) REFERENCES `teachers` (`id`) ON DELETE SET NULL,
  CONSTRAINT `timetable_slots_updated_by_foreign` FOREIGN KEY (`updated_by`) REFERENCES `users` (`id`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `exams` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `title` varchar(512) NOT NULL,
  `subject_id` bigint unsigned NOT NULL,
  `total_marks` smallint unsigned NOT NULL,
  `passing_marks` smallint unsigned NOT NULL,
  `created_by` bigint unsigned DEFAULT NULL,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  CONSTRAINT `exams_subject_id_foreign` FOREIGN KEY (`subject_id`) REFERENCES `subjects` (`id`) ON DELETE CASCADE,
  CONSTRAINT `exams_created_by_foreign` FOREIGN KEY (`created_by`) REFERENCES `users` (`id`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `marks` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `exam_id` bigint unsigned NOT NULL,
  `student_id` bigint unsigned NOT NULL,
  `marks_obtained` smallint unsigned DEFAULT NULL,
  `graded_by` bigint unsigned DEFAULT NULL,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `marks_exam_id_student_id_unique` (`exam_id`,`student_id`),
  CONSTRAINT `marks_exam_id_foreign` FOREIGN KEY (`exam_id`) REFERENCES `exams` (`id`) ON DELETE CASCADE,
  CONSTRAINT `marks_student_id_foreign` FOREIGN KEY (`student_id`) REFERENCES `students` (`id`) ON DELETE CASCADE,
  CONSTRAINT `marks_graded_by_foreign` FOREIGN KEY (`graded_by`) REFERENCES `users` (`id`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `notices` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `title` varchar(200) NOT NULL,
  `body` text NOT NULL,
  `file_path` varchar(255) DEFAULT NULL,
  `importance` enum('normal','high') NOT NULL DEFAULT 'normal',
  `target_role` enum('admin','teacher','student','parent') DEFAULT NULL,
  `school_class_id` bigint unsigned DEFAULT NULL,
  `created_by` bigint unsigned NOT NULL,
  `updated_by` bigint unsigned DEFAULT NULL,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `notices_target_role_school_class_id_index` (`target_role`,`school_class_id`),
  CONSTRAINT `notices_school_class_id_foreign` FOREIGN KEY (`school_class_id`) REFERENCES `school_classes` (`id`) ON DELETE CASCADE,
  CONSTRAINT `notices_created_by_foreign` FOREIGN KEY (`created_by`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  CONSTRAINT `notices_updated_by_foreign` FOREIGN KEY (`updated_by`) REFERENCES `users` (`id`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `buses` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `title` varchar(100) NOT NULL,
  `number` varchar(20) NOT NULL,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `buses_number_unique` (`number`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `bus_stops` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `bus_id` bigint unsigned NOT NULL,
  `location` varchar(255) NOT NULL,
  `arrival_time` time NOT NULL,
  `sort_order` int unsigned NOT NULL,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `bus_stops_bus_id_sort_order_unique` (`bus_id`,`sort_order`),
  CONSTRAINT `bus_stops_bus_id_foreign` FOREIGN KEY (`bus_id`) REFERENCES `buses` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `bus_staff` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `bus_id` bigint unsigned NOT NULL,
  `name` varchar(100) NOT NULL,
  `contact` varchar(20) NOT NULL,
  `role` enum('driver','conductor','other') NOT NULL DEFAULT 'driver',
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  CONSTRAINT `bus_staff_bus_id_foreign` FOREIGN KEY (`bus_id`) REFERENCES `buses` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `syllabi` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `subject_id` bigint unsigned NOT NULL,
  `file_path` varchar(255) NOT NULL,
  `uploaded_by` bigint unsigned NOT NULL,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `syllabi_subject_id_unique` (`subject_id`),
  CONSTRAINT `syllabi_subject_id_foreign` FOREIGN KEY (`subject_id`) REFERENCES `subjects` (`id`) ON DELETE CASCADE,
  CONSTRAINT `syllabi_uploaded_by_foreign` FOREIGN KEY (`uploaded_by`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `notes` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `subject_id` bigint unsigned NOT NULL,
  `title` varchar(150) NOT NULL,
  `comment` text DEFAULT NULL,
  `file_path` varchar(255) DEFAULT NULL,
  `created_by` bigint unsigned NOT NULL,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `notes_subject_id_index` (`subject_id`),
  CONSTRAINT `notes_subject_id_foreign` FOREIGN KEY (`subject_id`) REFERENCES `subjects` (`id`) ON DELETE CASCADE,
  CONSTRAINT `notes_created_by_foreign` FOREIGN KEY (`created_by`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `leaves` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `user_id` bigint unsigned NOT NULL,
  `leave_type` varchar(100) NOT NULL,
  `description` text NOT NULL,
  `start_date` date NOT NULL,
  `end_date` date NOT NULL,
  `status` enum('pending','approved','rejected') NOT NULL DEFAULT 'pending',
  `reviewed_by` bigint unsigned DEFAULT NULL,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `leaves_user_id_status_index` (`user_id`,`status`),
  CONSTRAINT `leaves_user_id_foreign` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  CONSTRAINT `leaves_reviewed_by_foreign` FOREIGN KEY (`reviewed_by`) REFERENCES `users` (`id`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `feedback` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `sender_id` bigint unsigned NOT NULL,
  `receiver_id` bigint unsigned NOT NULL,
  `message` text NOT NULL,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `feedback_sender_id_receiver_id_index` (`sender_id`,`receiver_id`),
  CONSTRAINT `feedback_sender_id_foreign` FOREIGN KEY (`sender_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  CONSTRAINT `feedback_receiver_id_foreign` FOREIGN KEY (`receiver_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `fee_invoices` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `student_id` bigint unsigned NOT NULL,
  `school_class_id` bigint unsigned NOT NULL,
  `period` date NOT NULL,
  `tuition_amount` int unsigned NOT NULL,
  `other_charges` int unsigned NOT NULL DEFAULT 0,
  `due_date` date NOT NULL,
  `status` enum('unpaid','partial','paid','overdue') NOT NULL DEFAULT 'unpaid',
  `created_by` bigint unsigned DEFAULT NULL,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `fee_invoices_student_id_period_unique` (`student_id`,`period`),
  KEY `fee_invoices_status_index` (`status`),
  CONSTRAINT `fee_invoices_student_id_foreign` FOREIGN KEY (`student_id`) REFERENCES `students` (`id`) ON DELETE CASCADE,
  CONSTRAINT `fee_invoices_school_class_id_foreign` FOREIGN KEY (`school_class_id`) REFERENCES `school_classes` (`id`) ON DELETE RESTRICT,
  CONSTRAINT `fee_invoices_created_by_foreign` FOREIGN KEY (`created_by`) REFERENCES `users` (`id`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `fee_payments` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `fee_invoice_id` bigint unsigned NOT NULL,
  `amount` int unsigned NOT NULL,
  `paystack_reference` varchar(255) NOT NULL,
  `paystack_status` enum('pending','success','failed') NOT NULL DEFAULT 'pending',
  `receipt_number` varchar(255) DEFAULT NULL,
  `paid_at` timestamp NULL DEFAULT NULL,
  `gateway_response` json DEFAULT NULL,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `fee_payments_paystack_reference_unique` (`paystack_reference`),
  UNIQUE KEY `fee_payments_receipt_number_unique` (`receipt_number`),
  KEY `fee_payments_paystack_status_index` (`paystack_status`),
  CONSTRAINT `fee_payments_fee_invoice_id_foreign` FOREIGN KEY (`fee_invoice_id`) REFERENCES `fee_invoices` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `payroll_records` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `user_id` bigint unsigned NOT NULL,
  `amount` int unsigned NOT NULL,
  `pay_period` date NOT NULL,
  `bank_account_number` text NOT NULL,
  `bank_code` text NOT NULL,
  `status` enum('pending','paid') NOT NULL DEFAULT 'pending',
  `paid_at` timestamp NULL DEFAULT NULL,
  `created_by` bigint unsigned DEFAULT NULL,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `payroll_records_user_id_pay_period_unique` (`user_id`,`pay_period`),
  KEY `payroll_records_status_index` (`status`),
  CONSTRAINT `payroll_records_user_id_foreign` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  CONSTRAINT `payroll_records_created_by_foreign` FOREIGN KEY (`created_by`) REFERENCES `users` (`id`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `books` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `title` varchar(255) NOT NULL,
  `author` varchar(255) NOT NULL,
  `isbn` varchar(20) DEFAULT NULL,
  `category` varchar(100) DEFAULT NULL,
  `total_copies` int unsigned NOT NULL DEFAULT 1,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `books_isbn_unique` (`isbn`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `book_issues` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `book_id` bigint unsigned NOT NULL,
  `user_id` bigint unsigned NOT NULL,
  `issued_date` date NOT NULL,
  `due_date` date NOT NULL,
  `returned_date` date DEFAULT NULL,
  `fine_amount` int unsigned NOT NULL DEFAULT 0,
  `issued_by` bigint unsigned NOT NULL,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `book_issues_book_id_returned_date_index` (`book_id`,`returned_date`),
  KEY `book_issues_user_id_returned_date_index` (`user_id`,`returned_date`),
  CONSTRAINT `book_issues_book_id_foreign` FOREIGN KEY (`book_id`) REFERENCES `books` (`id`) ON DELETE CASCADE,
  CONSTRAINT `book_issues_user_id_foreign` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  CONSTRAINT `book_issues_issued_by_foreign` FOREIGN KEY (`issued_by`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `hostels` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `name` varchar(100) NOT NULL,
  `type` enum('boys','girls','mixed') NOT NULL DEFAULT 'mixed',
  `warden_name` varchar(150) DEFAULT NULL,
  `warden_contact` varchar(20) DEFAULT NULL,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `hostel_rooms` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `hostel_id` bigint unsigned NOT NULL,
  `room_number` varchar(20) NOT NULL,
  `capacity` int unsigned NOT NULL DEFAULT 1,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `hostel_rooms_hostel_id_room_number_unique` (`hostel_id`,`room_number`),
  CONSTRAINT `hostel_rooms_hostel_id_foreign` FOREIGN KEY (`hostel_id`) REFERENCES `hostels` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `hostel_allocations` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `hostel_room_id` bigint unsigned NOT NULL,
  `student_id` bigint unsigned NOT NULL,
  `allocated_from` date NOT NULL,
  `allocated_until` date DEFAULT NULL,
  `status` enum('active','vacated') NOT NULL DEFAULT 'active',
  `allocated_by` bigint unsigned DEFAULT NULL,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `hostel_allocations_student_id_status_index` (`student_id`,`status`),
  KEY `hostel_allocations_hostel_room_id_status_index` (`hostel_room_id`,`status`),
  CONSTRAINT `hostel_allocations_hostel_room_id_foreign` FOREIGN KEY (`hostel_room_id`) REFERENCES `hostel_rooms` (`id`) ON DELETE CASCADE,
  CONSTRAINT `hostel_allocations_student_id_foreign` FOREIGN KEY (`student_id`) REFERENCES `students` (`id`) ON DELETE CASCADE,
  CONSTRAINT `hostel_allocations_allocated_by_foreign` FOREIGN KEY (`allocated_by`) REFERENCES `users` (`id`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE `parent_student` (
  `id` bigint unsigned NOT NULL AUTO_INCREMENT,
  `parent_id` bigint unsigned NOT NULL,
  `student_id` bigint unsigned NOT NULL,
  `linked_by` bigint unsigned DEFAULT NULL,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `parent_student_parent_id_student_id_unique` (`parent_id`,`student_id`),
  CONSTRAINT `parent_student_parent_id_foreign` FOREIGN KEY (`parent_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  CONSTRAINT `parent_student_student_id_foreign` FOREIGN KEY (`student_id`) REFERENCES `students` (`id`) ON DELETE CASCADE,
  CONSTRAINT `parent_student_linked_by_foreign` FOREIGN KEY (`linked_by`) REFERENCES `users` (`id`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

INSERT INTO `school_classes` (`id`,`name`,`section`,`fee`,`created_at`,`updated_at`) VALUES
(1,'1','A',5000,NOW(),NOW()),
(2,'1','B',5000,NOW(),NOW()),
(3,'2','A',5500,NOW(),NOW());

INSERT INTO `students` (`id`,`user_id`,`first_name`,`last_name`,`father_name`,`gender`,`school_class_id`,`dob`,`admission_status`,`created_at`,`updated_at`) VALUES
(1,NULL,'Demo','Child One','Demo Father','male',1,'2015-01-01','approved',NOW(),NOW()),
(2,NULL,'Demo','Child Two','Demo Father','female',1,'2015-02-01','approved',NOW(),NOW());

INSERT INTO `parent_student` (`parent_id`,`student_id`,`linked_by`,`created_at`,`updated_at`) VALUES
(3,1,1,NOW(),NOW()),
(3,2,1,NOW(),NOW());

-- Mark all package migrations as already applied because this SQL file
-- creates the same schema that those migrations would create.
INSERT INTO `migrations` (`migration`,`batch`) VALUES
('0001_01_01_000000_create_users_table',1),
('2026_01_01_000001_create_school_classes_table',1),
('2026_01_01_000002_create_subjects_table',1),
('2026_01_01_000003_create_teachers_table',1),
('2026_01_01_000004_create_students_table',1),
('2026_01_02_000001_create_attendances_table',1),
('2026_01_02_000002_create_timetable_slots_table',1),
('2026_01_02_000003_create_exams_and_marks_tables',1),
('2026_01_03_000001_create_notices_table',1),
('2026_01_03_000002_create_bus_tables',1),
('2026_01_03_000003_create_syllabi_and_notes_tables',1),
('2026_01_03_000004_create_leaves_table',1),
('2026_01_03_000005_create_feedback_table',1),
('2026_01_04_000001_create_fee_invoices_and_payments_tables',1),
('2026_01_04_000002_create_payroll_records_table',1),
('2026_01_05_000001_create_library_tables',1),
('2026_01_05_000002_create_hostel_tables',1),
('2026_01_06_000001_add_parent_role_to_users_table',2),
('2026_01_06_000002_create_parent_student_table',2),
('2026_01_06_000003_add_parent_to_notices_target_role',2);

