-- Create appointments table
CREATE TABLE IF NOT EXISTS appointments (
    id INT AUTO_INCREMENT PRIMARY KEY,
    patient_id INT NOT NULL,
    doctor_id INT NOT NULL,
    start_time DATETIME NOT NULL,
    end_time DATETIME NOT NULL,
    status ENUM('Scheduled', 'Completed', 'Cancelled') DEFAULT 'Scheduled',
    reason TEXT,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (patient_id) REFERENCES patients(id) ON DELETE CASCADE,
    FOREIGN KEY (doctor_id) REFERENCES doctors(id) ON DELETE CASCADE
);

-- Create holidays table
CREATE TABLE IF NOT EXISTS holidays (
    id INT AUTO_INCREMENT PRIMARY KEY,
    holiday_date DATE NOT NULL,
    name_en VARCHAR(255) NOT NULL,
    name_ar VARCHAR(255) NOT NULL,
    is_recurring BOOLEAN DEFAULT FALSE
);

-- Create doctor schedules table (working hours)
CREATE TABLE IF NOT EXISTS doctor_schedules (
    id INT AUTO_INCREMENT PRIMARY KEY,
    doctor_id INT NOT NULL,
    day_of_week INT NOT NULL, -- 0 (Sunday) to 6 (Saturday)
    start_time TIME NOT NULL,
    end_time TIME NOT NULL,
    FOREIGN KEY (doctor_id) REFERENCES doctors(id) ON DELETE CASCADE
);

-- Seed some holidays
INSERT INTO holidays (holiday_date, name_en, name_ar, is_recurring) VALUES 
('2026-01-01', 'New Year', 'رأس السنة', TRUE),
('2026-12-25', 'Christmas', 'عيد الميلاد', TRUE);