CREATE EXTENSION IF NOT EXISTS "uuid-ossp";

CREATE TABLE IF NOT EXISTS support_tickets (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    external_ticket_id TEXT NOT NULL,
    subject TEXT NOT NULL,
    description TEXT NOT NULL,
    priority TEXT NOT NULL,
    category TEXT NOT NULL,
    user_id TEXT NOT NULL,
    source TEXT NOT NULL DEFAULT 'chatbot',
    status TEXT NOT NULL DEFAULT 'open',
    conversation_id TEXT NULL,
    tags TEXT[] NOT NULL DEFAULT '{}',
    metadata JSONB NOT NULL DEFAULT '{}'::jsonb,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE INDEX IF NOT EXISTS idx_support_tickets_user_id ON support_tickets(user_id);
CREATE INDEX IF NOT EXISTS idx_support_tickets_created_at ON support_tickets(created_at DESC);

CREATE TABLE IF NOT EXISTS help_articles (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    title TEXT NOT NULL,
    summary TEXT NOT NULL,
    content TEXT NOT NULL,
    tags TEXT[] NOT NULL DEFAULT '{}',
    source TEXT NOT NULL DEFAULT 'seed',
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE INDEX IF NOT EXISTS idx_help_articles_title ON help_articles(title);