-- Extension 1: Household Knowledge Base
-- Stores household facts and vendor contacts (single-user, no RLS)

CREATE OR REPLACE FUNCTION update_updated_at_column()
RETURNS TRIGGER AS $$
BEGIN
    NEW.updated_at = now();
    RETURN NEW;
END;
$$ LANGUAGE plpgsql;

CREATE TABLE IF NOT EXISTS household_items (
    id         UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    name       TEXT NOT NULL,
    category   TEXT,
    location   TEXT,
    details    JSONB NOT NULL DEFAULT '{}',
    notes      TEXT,
    created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
);

CREATE TABLE IF NOT EXISTS household_vendors (
    id           UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    name         TEXT NOT NULL,
    service_type TEXT,
    phone        TEXT,
    email        TEXT,
    website      TEXT,
    notes        TEXT,
    rating       INTEGER CHECK (rating >= 1 AND rating <= 5),
    last_used    DATE,
    created_at   TIMESTAMPTZ NOT NULL DEFAULT now()
);

CREATE INDEX IF NOT EXISTS idx_household_items_category ON household_items(category);
CREATE INDEX IF NOT EXISTS idx_household_vendors_service ON household_vendors(service_type);

DROP TRIGGER IF EXISTS update_household_items_updated_at ON household_items;
CREATE TRIGGER update_household_items_updated_at
    BEFORE UPDATE ON household_items
    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();