-- Fix upsert function and RLS permissions
-- Run this to fix the ON CONFLICT error and 403 permission error

-- 1. Fix the upsert function to not use ON CONFLICT
create or replace function medreport.upsert_benefit_distribution_schedule(
    p_company_id uuid,
    p_benefit_amount numeric,
    p_benefit_occurrence text
)
returns void
language plpgsql
as $$
declare
    next_distribution_date timestamp with time zone;
    existing_record_id uuid;
begin
    -- Calculate next distribution date
    next_distribution_date := medreport.calculate_next_distribution_date(p_benefit_occurrence);
    
    -- Check if there's an existing record for this company
    select id into existing_record_id
    from medreport.benefit_distribution_schedule
    where company_id = p_company_id
    limit 1;
    
    if existing_record_id is not null then
        -- Update existing record
        update medreport.benefit_distribution_schedule
        set 
            benefit_amount = p_benefit_amount,
            benefit_occurrence = p_benefit_occurrence,
            next_distribution_at = next_distribution_date,
            is_active = true,
            updated_at = now()
        where id = existing_record_id;
    else
        -- Insert new record
        insert into medreport.benefit_distribution_schedule (
            company_id,
            benefit_amount,
            benefit_occurrence,
            next_distribution_at
        ) values (
            p_company_id,
            p_benefit_amount,
            p_benefit_occurrence,
            next_distribution_date
        );
    end if;
end;
$$;

-- 2. Grant permissions to authenticated users
grant select, insert, update, delete on table "medreport"."benefit_distribution_schedule" to authenticated;

-- 3. Grant execute permissions to all functions
grant execute on function medreport.get_account_balance(uuid) to authenticated;
grant execute on function medreport.distribute_health_benefits(uuid, numeric, text) to authenticated;
grant execute on function medreport.consume_account_balance(uuid, numeric, text, text) to authenticated;
grant execute on function medreport.upsert_benefit_distribution_schedule(uuid, numeric, text) to authenticated;
grant execute on function medreport.calculate_next_distribution_date(text, timestamp with time zone) to authenticated;
grant execute on function medreport.trigger_benefit_distribution(uuid) to authenticated;
grant execute on function medreport.trigger_distribute_benefits() to authenticated;
grant execute on function medreport.process_periodic_benefit_distributions() to authenticated;

-- 4. Ensure trigger function has security definer
create or replace function medreport.trigger_distribute_benefits()
returns trigger
language plpgsql
security definer
as $$
begin
    -- Only distribute if benefit_amount is set and greater than 0
    if new.benefit_amount is not null and new.benefit_amount > 0 then
        -- Distribute benefits to all company members immediately
        perform medreport.distribute_health_benefits(
            new.account_id,
            new.benefit_amount,
            coalesce(new.benefit_occurance, 'yearly')
        );
        
        -- Create or update the distribution schedule for future distributions
        perform medreport.upsert_benefit_distribution_schedule(
            new.account_id,
            new.benefit_amount,
            coalesce(new.benefit_occurance, 'yearly')
        );
    else
        -- If benefit_amount is 0 or null, deactivate the schedule
        update medreport.benefit_distribution_schedule
        set is_active = false, updated_at = now()
        where company_id = new.account_id;
    end if;
    
    return new;
end;
$$;

-- 5. Grant execute permission to the updated trigger function
grant execute on function medreport.trigger_distribute_benefits() to authenticated, service_role;
