-- Create service_folders table
CREATE TABLE IF NOT EXISTS service_folders (
  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
  name TEXT NOT NULL,
  created_by UUID REFERENCES users(id) ON DELETE SET NULL,
  created_at TIMESTAMP DEFAULT NOW() NOT NULL,
  updated_at TIMESTAMP DEFAULT NOW() NOT NULL
);

-- Create service_documents table
CREATE TABLE IF NOT EXISTS service_documents (
  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
  folder_id UUID NOT NULL REFERENCES service_folders(id) ON DELETE CASCADE,
  file_name TEXT NOT NULL,
  original_name TEXT NOT NULL,
  file_path TEXT NOT NULL,
  file_type TEXT NOT NULL,
  file_size INTEGER NOT NULL,
  description TEXT,
  uploaded_by UUID REFERENCES users(id) ON DELETE SET NULL,
  uploaded_at TIMESTAMP DEFAULT NOW() NOT NULL,
  created_at TIMESTAMP DEFAULT NOW() NOT NULL
);

-- Create indexes for faster lookups
CREATE INDEX IF NOT EXISTS idx_service_documents_folder_id ON service_documents(folder_id);