-- Kneadly — booking platform for massage shops
-- Multi-tenant: one owner account owns one shop (schema allows more later).

CREATE TABLE IF NOT EXISTS users (
  id TEXT PRIMARY KEY,
  email TEXT UNIQUE NOT NULL,
  name TEXT NOT NULL,
  password_hash TEXT NOT NULL,
  created_at INTEGER NOT NULL DEFAULT (unixepoch())
);

CREATE TABLE IF NOT EXISTS sessions (
  id TEXT PRIMARY KEY,
  user_id TEXT NOT NULL,
  expires_at INTEGER NOT NULL,
  created_at INTEGER NOT NULL DEFAULT (unixepoch()),
  FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
);

-- The massage business / shop
CREATE TABLE IF NOT EXISTS shops (
  id TEXT PRIMARY KEY,
  owner_id TEXT NOT NULL,
  name TEXT NOT NULL,
  slug TEXT UNIQUE NOT NULL,
  tagline TEXT,
  about TEXT,
  phone TEXT,
  email TEXT,
  address TEXT,
  suburb TEXT,
  state TEXT,
  postcode TEXT,
  timezone TEXT NOT NULL DEFAULT 'Australia/Sydney',
  emoji TEXT NOT NULL DEFAULT '💆',
  accent TEXT NOT NULL DEFAULT '#0f766e',
  currency TEXT NOT NULL DEFAULT 'aud',
  deposit_pct INTEGER NOT NULL DEFAULT 20,   -- % of service price taken as deposit
  cancellation_hours INTEGER NOT NULL DEFAULT 24,
  is_published INTEGER NOT NULL DEFAULT 1,
  created_at INTEGER NOT NULL DEFAULT (unixepoch()),
  FOREIGN KEY (owner_id) REFERENCES users(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS idx_shops_owner ON shops(owner_id);

-- Services offered (e.g. "60min Deep Tissue")
CREATE TABLE IF NOT EXISTS services (
  id TEXT PRIMARY KEY,
  shop_id TEXT NOT NULL,
  name TEXT NOT NULL,
  description TEXT,
  duration_minutes INTEGER NOT NULL DEFAULT 60,
  price_cents INTEGER NOT NULL DEFAULT 0,
  category TEXT NOT NULL DEFAULT 'Massage',
  is_active INTEGER NOT NULL DEFAULT 1,
  sort_order INTEGER NOT NULL DEFAULT 0,
  created_at INTEGER NOT NULL DEFAULT (unixepoch()),
  FOREIGN KEY (shop_id) REFERENCES shops(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS idx_services_shop ON services(shop_id, is_active);

-- Therapists / massage staff
CREATE TABLE IF NOT EXISTS staff (
  id TEXT PRIMARY KEY,
  shop_id TEXT NOT NULL,
  name TEXT NOT NULL,
  title TEXT DEFAULT 'Massage Therapist',
  bio TEXT,
  emoji TEXT NOT NULL DEFAULT '🧑‍⚕️',
  is_active INTEGER NOT NULL DEFAULT 1,
  sort_order INTEGER NOT NULL DEFAULT 0,
  created_at INTEGER NOT NULL DEFAULT (unixepoch()),
  FOREIGN KEY (shop_id) REFERENCES shops(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS idx_staff_shop ON staff(shop_id, is_active);

-- Which staff can perform which services (absence of rows for a service = all staff)
CREATE TABLE IF NOT EXISTS staff_services (
  staff_id TEXT NOT NULL,
  service_id TEXT NOT NULL,
  PRIMARY KEY (staff_id, service_id),
  FOREIGN KEY (staff_id) REFERENCES staff(id) ON DELETE CASCADE,
  FOREIGN KEY (service_id) REFERENCES services(id) ON DELETE CASCADE
);

-- Weekly working hours, per staff member
CREATE TABLE IF NOT EXISTS availability (
  id TEXT PRIMARY KEY,
  staff_id TEXT NOT NULL,
  day_of_week INTEGER NOT NULL,   -- 0 = Sunday .. 6 = Saturday
  start_time TEXT NOT NULL,       -- 'HH:MM'
  end_time TEXT NOT NULL,
  UNIQUE(staff_id, day_of_week),
  FOREIGN KEY (staff_id) REFERENCES staff(id) ON DELETE CASCADE
);

-- Customer appointments
CREATE TABLE IF NOT EXISTS bookings (
  id TEXT PRIMARY KEY,
  shop_id TEXT NOT NULL,
  service_id TEXT NOT NULL,
  staff_id TEXT NOT NULL,
  customer_name TEXT NOT NULL,
  customer_email TEXT NOT NULL,
  customer_phone TEXT,
  start_time INTEGER NOT NULL,    -- unix seconds (UTC)
  end_time INTEGER NOT NULL,
  status TEXT NOT NULL DEFAULT 'pending_payment', -- pending_payment | confirmed | completed | cancelled | no_show
  price_cents INTEGER NOT NULL DEFAULT 0,
  deposit_cents INTEGER NOT NULL DEFAULT 0,
  service_name TEXT,
  staff_name TEXT,
  notes TEXT,
  stripe_session_id TEXT,
  stripe_payment_intent_id TEXT,
  stripe_charge_id TEXT,
  refunded_at INTEGER,
  created_at INTEGER NOT NULL DEFAULT (unixepoch()),
  FOREIGN KEY (shop_id) REFERENCES shops(id) ON DELETE CASCADE,
  FOREIGN KEY (service_id) REFERENCES services(id),
  FOREIGN KEY (staff_id) REFERENCES staff(id)
);
CREATE INDEX IF NOT EXISTS idx_bookings_shop ON bookings(shop_id, start_time);
CREATE INDEX IF NOT EXISTS idx_bookings_staff ON bookings(staff_id, start_time);
CREATE INDEX IF NOT EXISTS idx_bookings_stripe ON bookings(stripe_session_id);
CREATE INDEX IF NOT EXISTS idx_sessions_user ON sessions(user_id);