-- Migration: Add visitor location and dispensary name to click events
-- Captures where visitors are clicking from and which dispensary

-- Add visitor location columns
ALTER TABLE product_click_events
ADD COLUMN IF NOT EXISTS visitor_city VARCHAR(100);

ALTER TABLE product_click_events
ADD COLUMN IF NOT EXISTS visitor_state VARCHAR(10);

ALTER TABLE product_click_events
ADD COLUMN IF NOT EXISTS visitor_lat DECIMAL(10, 7);

ALTER TABLE product_click_events
ADD COLUMN IF NOT EXISTS visitor_lng DECIMAL(10, 7);

-- Add dispensary name for easier reporting
ALTER TABLE product_click_events
ADD COLUMN IF NOT EXISTS dispensary_name VARCHAR(255);

-- Create index for location-based analytics
CREATE INDEX IF NOT EXISTS idx_product_click_events_visitor_state
ON product_click_events(visitor_state)
WHERE visitor_state IS NOT NULL;

CREATE INDEX IF NOT EXISTS idx_product_click_events_visitor_city
ON product_click_events(visitor_city)
WHERE visitor_city IS NOT NULL;

-- Add comments
COMMENT ON COLUMN product_click_events.visitor_city IS 'City where the visitor is located (from IP geolocation)';
COMMENT ON COLUMN product_click_events.visitor_state IS 'State where the visitor is located (from IP geolocation)';
COMMENT ON COLUMN product_click_events.visitor_lat IS 'Visitor latitude (from IP geolocation)';
COMMENT ON COLUMN product_click_events.visitor_lng IS 'Visitor longitude (from IP geolocation)';
COMMENT ON COLUMN product_click_events.dispensary_name IS 'Name of the dispensary (denormalized for easier reporting)';