-- AlterTable
ALTER TABLE "Subscriber" DROP COLUMN "zone",
ADD COLUMN     "zoneId" TEXT;

-- CreateTable
CREATE TABLE "Zone" (
    "id" TEXT NOT NULL,
    "tenantId" TEXT NOT NULL,
    "name" TEXT NOT NULL,
    "description" TEXT,
    "isActive" BOOLEAN NOT NULL DEFAULT true,
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updatedAt" TIMESTAMP(3) NOT NULL,

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

-- CreateTable
CREATE TABLE "ZoneAssignment" (
    "id" TEXT NOT NULL,
    "tenantId" TEXT NOT NULL,
    "userId" TEXT NOT NULL,
    "zoneId" TEXT NOT NULL,
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

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

-- CreateIndex
CREATE INDEX "Zone_tenantId_idx" ON "Zone"("tenantId");

-- CreateIndex
CREATE UNIQUE INDEX "Zone_tenantId_name_key" ON "Zone"("tenantId", "name");

-- CreateIndex
CREATE INDEX "ZoneAssignment_tenantId_idx" ON "ZoneAssignment"("tenantId");

-- CreateIndex
CREATE INDEX "ZoneAssignment_userId_idx" ON "ZoneAssignment"("userId");

-- CreateIndex
CREATE INDEX "ZoneAssignment_zoneId_idx" ON "ZoneAssignment"("zoneId");

-- CreateIndex
CREATE UNIQUE INDEX "ZoneAssignment_tenantId_userId_zoneId_key" ON "ZoneAssignment"("tenantId", "userId", "zoneId");

-- CreateIndex
CREATE INDEX "Subscriber_tenantId_zoneId_idx" ON "Subscriber"("tenantId", "zoneId");

-- AddForeignKey
ALTER TABLE "Subscriber" ADD CONSTRAINT "Subscriber_zoneId_fkey" FOREIGN KEY ("zoneId") REFERENCES "Zone"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "ZoneAssignment" ADD CONSTRAINT "ZoneAssignment_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "ZoneAssignment" ADD CONSTRAINT "ZoneAssignment_zoneId_fkey" FOREIGN KEY ("zoneId") REFERENCES "Zone"("id") ON DELETE RESTRICT ON UPDATE CASCADE;