-- rTrips module schema
CREATE SCHEMA IF NOT EXISTS rtrips;

CREATE TABLE IF NOT EXISTS rtrips.users (
	id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
	did TEXT UNIQUE NOT NULL,
	username TEXT,
	created_at TIMESTAMPTZ DEFAULT NOW()
);

CREATE TABLE IF NOT EXISTS rtrips.trips (
	id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
	title TEXT NOT NULL,
	slug TEXT UNIQUE NOT NULL,
	description TEXT,
	start_date DATE,
	end_date DATE,
	budget_total NUMERIC(12,2),
	budget_currency TEXT DEFAULT 'USD',
	status TEXT DEFAULT 'PLANNING' CHECK (status IN ('PLANNING','BOOKED','IN_PROGRESS','COMPLETED','CANCELLED')),
	created_by UUID REFERENCES rtrips.users(id),
	created_at TIMESTAMPTZ DEFAULT NOW(),
	updated_at TIMESTAMPTZ DEFAULT NOW()
);

CREATE TABLE IF NOT EXISTS rtrips.trip_collaborators (
	id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
	trip_id UUID NOT NULL REFERENCES rtrips.trips(id) ON DELETE CASCADE,
	user_id UUID NOT NULL REFERENCES rtrips.users(id) ON DELETE CASCADE,
	role TEXT NOT NULL DEFAULT 'MEMBER' CHECK (role IN ('OWNER','EDITOR','VIEWER','MEMBER')),
	joined_at TIMESTAMPTZ DEFAULT NOW(),
	UNIQUE(trip_id, user_id)
);

CREATE TABLE IF NOT EXISTS rtrips.destinations (
	id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
	trip_id UUID NOT NULL REFERENCES rtrips.trips(id) ON DELETE CASCADE,
	name TEXT NOT NULL,
	country TEXT,
	lat DOUBLE PRECISION,
	lng DOUBLE PRECISION,
	arrival_date DATE,
	departure_date DATE,
	notes TEXT,
	sort_order INT DEFAULT 0,
	created_at TIMESTAMPTZ DEFAULT NOW()
);

CREATE TABLE IF NOT EXISTS rtrips.itinerary_items (
	id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
	trip_id UUID NOT NULL REFERENCES rtrips.trips(id) ON DELETE CASCADE,
	destination_id UUID REFERENCES rtrips.destinations(id) ON DELETE SET NULL,
	title TEXT NOT NULL,
	category TEXT DEFAULT 'ACTIVITY' CHECK (category IN ('FLIGHT','TRANSPORT','ACCOMMODATION','ACTIVITY','MEAL','FREE_TIME','OTHER')),
	date DATE,
	start_time TIME,
	end_time TIME,
	notes TEXT,
	sort_order INT DEFAULT 0,
	created_at TIMESTAMPTZ DEFAULT NOW()
);

CREATE TABLE IF NOT EXISTS rtrips.bookings (
	id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
	trip_id UUID NOT NULL REFERENCES rtrips.trips(id) ON DELETE CASCADE,
	type TEXT DEFAULT 'OTHER' CHECK (type IN ('FLIGHT','HOTEL','CAR_RENTAL','TRAIN','BUS','FERRY','ACTIVITY','RESTAURANT','OTHER')),
	provider TEXT,
	confirmation_number TEXT,
	cost NUMERIC(12,2),
	currency TEXT DEFAULT 'USD',
	start_date DATE,
	end_date DATE,
	status TEXT DEFAULT 'PENDING' CHECK (status IN ('PENDING','CONFIRMED','CANCELLED')),
	notes TEXT,
	created_at TIMESTAMPTZ DEFAULT NOW()
);

CREATE TABLE IF NOT EXISTS rtrips.expenses (
	id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
	trip_id UUID NOT NULL REFERENCES rtrips.trips(id) ON DELETE CASCADE,
	paid_by UUID REFERENCES rtrips.users(id),
	description TEXT NOT NULL,
	amount NUMERIC(12,2) NOT NULL,
	currency TEXT DEFAULT 'USD',
	category TEXT DEFAULT 'OTHER' CHECK (category IN ('FOOD','TRANSPORT','ACCOMMODATION','ACTIVITIES','SHOPPING','OTHER')),
	date DATE,
	split_type TEXT DEFAULT 'EQUAL' CHECK (split_type IN ('EQUAL','CUSTOM','INDIVIDUAL')),
	created_at TIMESTAMPTZ DEFAULT NOW()
);

CREATE TABLE IF NOT EXISTS rtrips.packing_items (
	id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
	trip_id UUID NOT NULL REFERENCES rtrips.trips(id) ON DELETE CASCADE,
	added_by UUID REFERENCES rtrips.users(id),
	name TEXT NOT NULL,
	category TEXT DEFAULT 'GENERAL',
	packed BOOLEAN DEFAULT FALSE,
	quantity INT DEFAULT 1,
	sort_order INT DEFAULT 0,
	created_at TIMESTAMPTZ DEFAULT NOW()
);

CREATE INDEX IF NOT EXISTS idx_rtrips_destinations ON rtrips.destinations(trip_id, sort_order);
CREATE INDEX IF NOT EXISTS idx_rtrips_itinerary ON rtrips.itinerary_items(trip_id, date, sort_order);
CREATE INDEX IF NOT EXISTS idx_rtrips_bookings ON rtrips.bookings(trip_id, start_date);
CREATE INDEX IF NOT EXISTS idx_rtrips_expenses ON rtrips.expenses(trip_id, date DESC);
CREATE INDEX IF NOT EXISTS idx_rtrips_packing ON rtrips.packing_items(trip_id, category, sort_order);
CREATE INDEX IF NOT EXISTS idx_rtrips_collaborators ON rtrips.trip_collaborators(user_id);