-- Migration 025: Bulk Email Broadcasts
-- Tracks bulk email campaigns sent to members

CREATE TABLE IF NOT EXISTS public.bulk_emails (
  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
  subject TEXT NOT NULL,
  body TEXT NOT NULL,
  recipient_filter JSONB DEFAULT '{"target": "all"}'::jsonb,
  total_recipients INTEGER DEFAULT 0,
  sent_count INTEGER DEFAULT 0,
  failed_count INTEGER DEFAULT 0,
  status TEXT NOT NULL DEFAULT 'draft' CHECK (status IN ('draft', 'sending', 'completed', 'failed')),
  sent_by UUID REFERENCES auth.users(id),
  sent_by_name TEXT,
  created_at TIMESTAMPTZ DEFAULT NOW(),
  sent_at TIMESTAMPTZ,
  completed_at TIMESTAMPTZ
);

-- Index for listing
CREATE INDEX IF NOT EXISTS idx_bulk_emails_created ON public.bulk_emails (created_at DESC);

-- Enable RLS
ALTER TABLE public.bulk_emails ENABLE ROW LEVEL SECURITY;

-- Only admins can manage bulk emails
CREATE POLICY "Admins can manage bulk emails"
  ON public.bulk_emails
  FOR ALL
  TO authenticated
  USING (
    EXISTS (
      SELECT 1 FROM public.members
      WHERE members.user_id = auth.uid()
      AND members.role = 'admin'
    )
  );

CREATE POLICY "Service role full access to bulk emails"
  ON public.bulk_emails
  FOR ALL
  TO service_role
  USING (true)
  WITH CHECK (true);