-- Recreate PO/GRN views after locations merge

DROP VIEW IF EXISTS v_purchase_orders CASCADE;
DROP VIEW IF EXISTS v_grn CASCADE;

CREATE VIEW v_purchase_orders AS
SELECT
  po.*,
  pl.code AS plant_code,
  pl.name AS plant_name,
  wh.code AS warehouse_code,
  wh.name AS warehouse_name,
  v.vendor_code,
  v.vendor_name
FROM purchase_orders po
JOIN locations pl ON pl.id = po.plant_id AND pl.type = 'plant'
LEFT JOIN locations wh ON wh.id = po.warehouse_id AND wh.type = 'warehouse'
JOIN vendors v ON v.id = po.vendor_id
WHERE po.deleted_at IS NULL;

CREATE VIEW v_grn AS
SELECT
  g.*,
  po.po_number,
  v.vendor_code,
  v.vendor_name,
  wh.code AS warehouse_code,
  wh.name AS warehouse_name
FROM grn g
JOIN purchase_orders po ON po.id = g.po_id
JOIN vendors v ON v.id = g.vendor_id
JOIN locations wh ON wh.id = g.warehouse_id AND wh.type = 'warehouse'
WHERE g.deleted_at IS NULL;