SET NAMES utf8mb4;

CREATE TABLE IF NOT EXISTS clinic_staff (
  user_id INT PRIMARY KEY,
  scope ENUM('all','own') NOT NULL DEFAULT 'own',
  is_doctor TINYINT(1) NOT NULL DEFAULT 0,
  specialty VARCHAR(120) NULL,
  color VARCHAR(7) NULL,
  is_active TINYINT(1) NOT NULL DEFAULT 1,
  edit_version INT UNSIGNED NOT NULL DEFAULT 1,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  CONSTRAINT fk_clinic_staff_user FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS clinic_patients (
  id INT AUTO_INCREMENT PRIMARY KEY,
  first_names VARCHAR(120) NOT NULL,
  last_names VARCHAR(120) NOT NULL,
  identification VARCHAR(40) NULL UNIQUE,
  phone VARCHAR(40) NOT NULL,
  email VARCHAR(160) NULL,
  birth_date DATE NULL,
  notes VARCHAR(500) NULL,
  is_active TINYINT(1) NOT NULL DEFAULT 1,
  created_by INT NULL,
  edit_version INT UNSIGNED NOT NULL DEFAULT 1,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  INDEX idx_clinic_patient_name (last_names, first_names),
  INDEX idx_clinic_patient_phone (phone),
  CONSTRAINT fk_clinic_patient_creator FOREIGN KEY (created_by) REFERENCES users(id) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS clinic_schedules (
  id INT AUTO_INCREMENT PRIMARY KEY,
  doctor_user_id INT NOT NULL,
  weekday TINYINT UNSIGNED NOT NULL,
  starts_time TIME NOT NULL,
  ends_time TIME NOT NULL,
  INDEX idx_clinic_schedule_doctor_day (doctor_user_id, weekday),
  CONSTRAINT fk_clinic_schedule_doctor FOREIGN KEY (doctor_user_id) REFERENCES clinic_staff(user_id) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS clinic_appointment_types (
  id INT AUTO_INCREMENT PRIMARY KEY,
  name VARCHAR(120) NOT NULL,
  duration_minutes SMALLINT UNSIGNED NOT NULL,
  color VARCHAR(7) NOT NULL,
  is_active TINYINT(1) NOT NULL DEFAULT 1,
  edit_version INT UNSIGNED NOT NULL DEFAULT 1,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS clinic_appointments (
  id INT AUTO_INCREMENT PRIMARY KEY,
  doctor_user_id INT NOT NULL,
  patient_id INT NOT NULL,
  type_id INT NOT NULL,
  starts_at DATETIME NOT NULL,
  ends_at DATETIME NOT NULL,
  status ENUM('scheduled','confirmed','attended','no_show','cancelled') NOT NULL DEFAULT 'scheduled',
  channel ENUM('phone','whatsapp','in_person','other') NOT NULL DEFAULT 'phone',
  notes VARCHAR(500) NULL,
  created_by INT NULL,
  cancelled_at DATETIME NULL,
  cancelled_by INT NULL,
  cancelled_reason VARCHAR(500) NULL,
  edit_version INT UNSIGNED NOT NULL DEFAULT 1,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  INDEX idx_clinic_appointment_doctor_range (doctor_user_id, starts_at, ends_at, status),
  INDEX idx_clinic_appointment_patient_range (patient_id, starts_at, ends_at, status),
  CONSTRAINT fk_clinic_appointment_doctor FOREIGN KEY (doctor_user_id) REFERENCES clinic_staff(user_id),
  CONSTRAINT fk_clinic_appointment_patient FOREIGN KEY (patient_id) REFERENCES clinic_patients(id),
  CONSTRAINT fk_clinic_appointment_type FOREIGN KEY (type_id) REFERENCES clinic_appointment_types(id),
  CONSTRAINT fk_clinic_appointment_creator FOREIGN KEY (created_by) REFERENCES users(id) ON DELETE SET NULL,
  CONSTRAINT fk_clinic_appointment_canceller FOREIGN KEY (cancelled_by) REFERENCES users(id) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS clinic_blocks (
  id INT AUTO_INCREMENT PRIMARY KEY,
  doctor_user_id INT NOT NULL,
  kind ENUM('surgery','vacation','other') NOT NULL,
  title VARCHAR(160) NOT NULL,
  starts_at DATETIME NOT NULL,
  ends_at DATETIME NOT NULL,
  recurrence_json TEXT NULL,
  created_by INT NULL,
  edit_version INT UNSIGNED NOT NULL DEFAULT 1,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  INDEX idx_clinic_block_doctor_range (doctor_user_id, starts_at, ends_at),
  CONSTRAINT fk_clinic_block_doctor FOREIGN KEY (doctor_user_id) REFERENCES clinic_staff(user_id),
  CONSTRAINT fk_clinic_block_creator FOREIGN KEY (created_by) REFERENCES users(id) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- Bootstrap del único configurador inicial. El resto del personal se habilita desde la UI.
INSERT IGNORE INTO clinic_staff (user_id, scope, is_doctor, is_active)
SELECT u.id, 'all', 0, 1 FROM users u JOIN roles r ON r.id=u.role_id
WHERE r.code='superadmin' AND u.is_active=1 ORDER BY u.id LIMIT 1;