-- Add missing columns to tasks table
ALTER TABLE public.tasks ADD COLUMN IF NOT EXISTS client_id uuid REFERENCES public.associations(id);
ALTER TABLE public.tasks ADD COLUMN IF NOT EXISTS parent_task_id uuid REFERENCES public.tasks(id) ON DELETE CASCADE;
ALTER TABLE public.tasks ADD COLUMN IF NOT EXISTS template_id uuid;
ALTER TABLE public.tasks ADD COLUMN IF NOT EXISTS completed_at timestamptz;
ALTER TABLE public.tasks ADD COLUMN IF NOT EXISTS client_specific boolean DEFAULT false;
ALTER TABLE public.tasks ADD COLUMN IF NOT EXISTS recurring boolean DEFAULT false;
ALTER TABLE public.tasks ADD COLUMN IF NOT EXISTS recurring_interval text;
ALTER TABLE public.tasks ADD COLUMN IF NOT EXISTS recurring_next_date date;
ALTER TABLE public.tasks ADD COLUMN IF NOT EXISTS property_id uuid;
ALTER TABLE public.tasks ADD COLUMN IF NOT EXISTS task_sequence integer;
ALTER TABLE public.tasks ADD COLUMN IF NOT EXISTS days_until_due integer;

-- Create workflow_templates table
CREATE TABLE IF NOT EXISTS public.workflow_templates (
  id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
  name text NOT NULL,
  description text,
  client_id uuid REFERENCES public.associations(id),
  created_by uuid,
  created_at timestamptz DEFAULT now(),
  updated_at timestamptz DEFAULT now()
);

ALTER TABLE public.workflow_templates ENABLE ROW LEVEL SECURITY;

CREATE POLICY "Authenticated users can manage workflow_templates"
  ON public.workflow_templates FOR ALL TO authenticated USING (true) WITH CHECK (true);

-- Create workflow_template_tasks table
CREATE TABLE IF NOT EXISTS public.workflow_template_tasks (
  id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
  template_id uuid REFERENCES public.workflow_templates(id) ON DELETE CASCADE NOT NULL,
  task_name text NOT NULL,
  task_description text DEFAULT '',
  days_until_due integer DEFAULT 0,
  task_sequence integer DEFAULT 1,
  priority text DEFAULT 'medium',
  assigned_to text,
  created_at timestamptz DEFAULT now()
);

ALTER TABLE public.workflow_template_tasks ENABLE ROW LEVEL SECURITY;

CREATE POLICY "Authenticated users can manage workflow_template_tasks"
  ON public.workflow_template_tasks FOR ALL TO authenticated USING (true) WITH CHECK (true);

-- Update template_id FK now that workflow_templates exists
ALTER TABLE public.tasks DROP CONSTRAINT IF EXISTS tasks_template_id_fkey;
ALTER TABLE public.tasks ADD CONSTRAINT tasks_template_id_fkey FOREIGN KEY (template_id) REFERENCES public.workflow_templates(id);