-- rCal module schema
CREATE SCHEMA IF NOT EXISTS rcal;

CREATE TABLE IF NOT EXISTS rcal.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 rcal.calendar_sources (
	id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
	name TEXT NOT NULL,
	source_type TEXT NOT NULL CHECK (source_type IN ('MANUAL','ICS','CALDAV','GOOGLE','OUTLOOK','APPLE','OBSIDIAN')),
	url TEXT,
	color TEXT DEFAULT '#6366f1',
	is_active BOOLEAN DEFAULT TRUE,
	is_visible BOOLEAN DEFAULT TRUE,
	sync_interval_minutes INT DEFAULT 60,
	last_synced_at TIMESTAMPTZ,
	owner_id UUID REFERENCES rcal.users(id),
	created_at TIMESTAMPTZ DEFAULT NOW()
);

CREATE TABLE IF NOT EXISTS rcal.locations (
	id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
	name TEXT NOT NULL,
	granularity INT NOT NULL DEFAULT 5,
	lat DOUBLE PRECISION,
	lng DOUBLE PRECISION,
	parent_id UUID REFERENCES rcal.locations(id),
	created_at TIMESTAMPTZ DEFAULT NOW()
);

CREATE TABLE IF NOT EXISTS rcal.events (
	id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
	title TEXT NOT NULL,
	description TEXT,
	start_time TIMESTAMPTZ NOT NULL,
	end_time TIMESTAMPTZ,
	all_day BOOLEAN DEFAULT FALSE,
	timezone TEXT DEFAULT 'UTC',
	rrule TEXT,
	status TEXT DEFAULT 'CONFIRMED' CHECK (status IN ('TENTATIVE','CONFIRMED','CANCELLED')),
	visibility TEXT DEFAULT 'DEFAULT' CHECK (visibility IN ('PUBLIC','PRIVATE','DEFAULT')),
	source_id UUID REFERENCES rcal.calendar_sources(id) ON DELETE SET NULL,
	location_id UUID REFERENCES rcal.locations(id) ON DELETE SET NULL,
	location_name TEXT,
	coordinates POINT,
	location_granularity INT,
	is_virtual BOOLEAN DEFAULT FALSE,
	virtual_url TEXT,
	virtual_platform TEXT,
	r_tool_source TEXT,
	r_tool_entity_id TEXT,
	attendees TEXT[] DEFAULT '{}',
	attendee_count INT DEFAULT 0,
	metadata JSONB DEFAULT '{}',
	created_at TIMESTAMPTZ DEFAULT NOW(),
	updated_at TIMESTAMPTZ DEFAULT NOW()
);

CREATE INDEX IF NOT EXISTS idx_rcal_events_time ON rcal.events(start_time, end_time);
CREATE INDEX IF NOT EXISTS idx_rcal_events_source ON rcal.events(source_id);
CREATE INDEX IF NOT EXISTS idx_rcal_events_rtool ON rcal.events(r_tool_source, r_tool_entity_id);
CREATE INDEX IF NOT EXISTS idx_rcal_locations_parent ON rcal.locations(parent_id);
CREATE INDEX IF NOT EXISTS idx_rcal_sources_owner ON rcal.calendar_sources(owner_id);