-- =====================================================================
-- Local extension migration: simple employee payment ledger used by the
-- Employee Payment Report UI. Backed by the API; not a Supabase migration.
-- =====================================================================

create table if not exists app.employees (
  id          uuid primary key default gen_random_uuid(),
  emp_id      text not null unique,
  name        text not null,
  email       text,
  department  text,
  location    text,
  created_at  timestamptz not null default now()
);

create table if not exists app.employee_transactions (
  id                uuid primary key default gen_random_uuid(),
  employee_id       uuid not null references app.employees(id) on delete cascade,
  transaction_date  date not null,
  collection_amount numeric(18,2) not null default 0,
  deposit_amount    numeric(18,2) not null default 0,
  currency          text not null check (currency in ('USD','LBP')),
  created_at        timestamptz not null default now()
);

create index if not exists idx_emp_tx_emp on app.employee_transactions(employee_id, transaction_date desc);

-- These tables are owned by the API; RLS off, gated at the HTTP layer.
alter table app.employees             disable row level security;
alter table app.employee_transactions disable row level security;
grant select, insert, update, delete on app.employees             to authenticated;
grant select, insert, update, delete on app.employee_transactions to authenticated;