-- Master Database Schema
CREATE EXTENSION IF NOT EXISTS "uuid-ossp";

CREATE TABLE IF NOT EXISTS communities (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    name TEXT NOT NULL,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS users (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    username TEXT UNIQUE NOT NULL,
    display_name TEXT,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS webauthn_credentials (
    id BYTEA PRIMARY KEY,
    user_id UUID REFERENCES users(id) ON DELETE CASCADE,
    public_key BYTEA NOT NULL,
    attestation_type TEXT NOT NULL,
    aaguid UUID NOT NULL,
    sign_count UINT32 NOT NULL DEFAULT 0,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS community_members (
    community_id UUID REFERENCES communities(id) ON DELETE CASCADE,
    user_id UUID REFERENCES users(id) ON DELETE CASCADE,
    role TEXT NOT NULL DEFAULT 'admin', -- 'owner', 'admin'
    PRIMARY KEY (community_id, user_id)
);

CREATE TABLE IF NOT EXISTS storage_nodes (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    community_id UUID REFERENCES communities(id) ON DELETE CASCADE,
    address TEXT NOT NULL, -- Internal cluster address or URL
    status TEXT DEFAULT 'active',
    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
);