-- CreateTable: user-defined T&C categories
CREATE TABLE "TermsCategory" (
    "id" TEXT NOT NULL,
    "name" TEXT NOT NULL,
    "sortOrder" INTEGER NOT NULL DEFAULT 0,
    "isActive" BOOLEAN NOT NULL DEFAULT true,
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updatedAt" TIMESTAMP(3) NOT NULL,

    CONSTRAINT "TermsCategory_pkey" PRIMARY KEY ("id")
);
CREATE UNIQUE INDEX "TermsCategory_name_key" ON "TermsCategory"("name");

-- CreateTable: clauses belonging to a category
CREATE TABLE "TermsCondition" (
    "id" TEXT NOT NULL,
    "categoryId" TEXT NOT NULL,
    "text" TEXT NOT NULL,
    "isDefault" BOOLEAN NOT NULL DEFAULT false,
    "isActive" BOOLEAN NOT NULL DEFAULT true,
    "sortOrder" INTEGER NOT NULL DEFAULT 0,
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updatedAt" TIMESTAMP(3) NOT NULL,

    CONSTRAINT "TermsCondition_pkey" PRIMARY KEY ("id")
);
CREATE INDEX "TermsCondition_categoryId_idx" ON "TermsCondition"("categoryId");
ALTER TABLE "TermsCondition" ADD CONSTRAINT "TermsCondition_categoryId_fkey" FOREIGN KEY ("categoryId") REFERENCES "TermsCategory"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- Dynamic T&C snapshot on the PO
ALTER TABLE "PurchaseOrder" ADD COLUMN "terms" JSONB;

-- Seed: every standard PO T&C line becomes a catalogued clause. "General" holds
-- the previously-fixed boilerplate; the five named slots keep their default
-- wording; "Others" is an empty bucket admins fill. isDefault rows pre-fill new POs.
INSERT INTO "TermsCategory" ("id", "name", "sortOrder", "updatedAt") VALUES
  ('tcat_general',   'General',              0, CURRENT_TIMESTAMP),
  ('tcat_delivery',  'Delivery',             1, CURRENT_TIMESTAMP),
  ('tcat_dispatch',  'Dispatch Instructions',2, CURRENT_TIMESTAMP),
  ('tcat_inspect',   'Inspection',           3, CURRENT_TIMESTAMP),
  ('tcat_transit',   'Transit Insurance',    4, CURRENT_TIMESTAMP),
  ('tcat_payment',   'Payment Terms',        5, CURRENT_TIMESTAMP),
  ('tcat_others',    'Others',               6, CURRENT_TIMESTAMP);

INSERT INTO "TermsCondition" ("id", "categoryId", "text", "isDefault", "sortOrder", "updatedAt") VALUES
  ('tcc_fixed1',   'tcat_general',  'Please quote this purchase order no. for further communications and invoices pertaining to this indent.', true, 0, CURRENT_TIMESTAMP),
  ('tcc_fixed2',   'tcat_general',  'We encourage bulk packaging and avoid plastic. No asbestos to be used in any product or packing material.', true, 1, CURRENT_TIMESTAMP),
  ('tcc_delivery', 'tcat_delivery', 'Within 4 to 5 days',                                                  true, 0, CURRENT_TIMESTAMP),
  ('tcc_dispatch', 'tcat_dispatch', 'To be transported to site address as above. Freight Supplier''s A/C', true, 0, CURRENT_TIMESTAMP),
  ('tcc_inspect',  'tcat_inspect',  'NA',                                                                  true, 0, CURRENT_TIMESTAMP),
  ('tcc_transit',  'tcat_transit',  'NA',                                                                  true, 0, CURRENT_TIMESTAMP),
  ('tcc_payment',  'tcat_payment',  'Within 30 days from delivery.',                                       true, 0, CURRENT_TIMESTAMP);