-- Init script for PostgreSQL + pgvector (local AlloyDB AI simulation)
-- Run on container start: docker-compose -f docker-compose.chroma.yml up -d postgres-pgvector

-- Enable pgvector extension
CREATE EXTENSION IF NOT EXISTS vector;

-- Create memories table with vector support
CREATE TABLE IF NOT EXISTS memories (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    agent_id VARCHAR(255) NOT NULL DEFAULT 'openclaw-serpent',
    content TEXT NOT NULL,
    embedding VECTOR(1536),
    metadata JSONB DEFAULT '{}',
    tags TEXT[] DEFAULT '{}',
    source VARCHAR(50) DEFAULT 'alloydb',
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

-- Create indexes for performance
CREATE INDEX IF NOT EXISTS idx_memories_embedding ON memories USING ivfflat (embedding vector_cosine_ops);
CREATE INDEX IF NOT EXISTS idx_memories_tags ON memories USING GIN(tags);
CREATE INDEX IF NOT EXISTS idx_memories_agent ON memories(agent_id);
CREATE INDEX IF NOT EXISTS idx_memories_created ON memories(created_at DESC);

-- Create function for auto-updating updated_at
CREATE OR REPLACE FUNCTION update_updated_at_column()
RETURNS TRIGGER AS $$
BEGIN
    NEW.updated_at = CURRENT_TIMESTAMP;
    RETURN NEW;
END;
$$ language 'plpgsql';

-- Create trigger
DROP TRIGGER IF EXISTS update_memories_updated_at ON memories;
CREATE TRIGGER update_memories_updated_at
    BEFORE UPDATE ON memories
    FOR EACH ROW
    EXECUTE FUNCTION update_updated_at_column();

-- Insert test data (optional)
-- INSERT INTO memories (content, tags) VALUES 
--     ('Hero section uses GSAP fade-up with 1.2s duration', ARRAY['motion', 'design']),
--     ('Switched to Space Grotesk font', ARRAY['typography', 'design']);

-- Verify setup
SELECT 'pgvector initialized successfully' as status;
SELECT COUNT(*) as total_memories FROM memories;