-- CreateEnum
CREATE TYPE "Role" AS ENUM ('SUPER_ADMIN', 'ADMIN');

-- CreateTable
CREATE TABLE "AdminUser" (
    "id" TEXT NOT NULL,
    "username" TEXT NOT NULL,
    "passwordHash" TEXT NOT NULL,
    "role" "Role" NOT NULL DEFAULT 'ADMIN',
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

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

-- CreateTable
CREATE TABLE "Code" (
    "id" TEXT NOT NULL,
    "code" TEXT NOT NULL,
    "createdById" TEXT NOT NULL,
    "usedByUserId" TEXT,
    "usedAt" TIMESTAMP(3),
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

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

-- CreateIndex
CREATE UNIQUE INDEX "AdminUser_username_key" ON "AdminUser"("username");

-- CreateIndex
CREATE UNIQUE INDEX "Code_code_key" ON "Code"("code");

-- CreateIndex
CREATE INDEX "Code_code_idx" ON "Code"("code");

-- CreateIndex
CREATE INDEX "Code_usedByUserId_idx" ON "Code"("usedByUserId");

-- AddForeignKey
ALTER TABLE "Code" ADD CONSTRAINT "Code_createdById_fkey" FOREIGN KEY ("createdById") REFERENCES "AdminUser"("id") ON DELETE RESTRICT ON UPDATE CASCADE;