-- CreateEnum
CREATE TYPE "PaymentStatus" AS ENUM ('PENDING', 'PAYED');

-- CreateTable
CREATE TABLE "periodic_expenses" (
    "id" SERIAL NOT NULL,
    "description" VARCHAR(50) NOT NULL,
    "defaultDueDay" INTEGER NOT NULL,
    "defaultAmount" MONEY NOT NULL,
    "periods" INTEGER[],
    "isDeleted" BOOLEAN NOT NULL DEFAULT false,
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

    CONSTRAINT "periodic_expenses_pkey" PRIMARY KEY ("id")
);

-- CreateTable
CREATE TABLE "expenses" (
    "id" SERIAL NOT NULL,
    "description" VARCHAR(50) NOT NULL,
    "periodicExpenseId" INTEGER,
    "year" INTEGER NOT NULL,
    "month" INTEGER NOT NULL,
    "amount" MONEY NOT NULL,
    "amountPayed" MONEY,
    "status" "PaymentStatus" NOT NULL DEFAULT 'PENDING',
    "dueDate" TIMESTAMP(3) NOT NULL,
    "paymentDate" TIMESTAMP(3),

    CONSTRAINT "expenses_pkey" PRIMARY KEY ("id")
);

-- AddForeignKey
ALTER TABLE "expenses" ADD CONSTRAINT "expenses_periodicExpenseId_fkey" FOREIGN KEY ("periodicExpenseId") REFERENCES "periodic_expenses"("id") ON DELETE SET NULL ON UPDATE CASCADE;