-- CreateTable
CREATE TABLE "notifications" (
    "id" UUID NOT NULL,
    "recipient_employee_id" UUID NOT NULL,
    "type" VARCHAR(64) NOT NULL,
    "title" VARCHAR(200) NOT NULL,
    "body" TEXT,
    "target_type" VARCHAR(64),
    "target_id" UUID,
    "read_at" TIMESTAMP(3),
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

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

-- CreateIndex
CREATE INDEX "notifications_recipient_employee_id_created_at_idx" ON "notifications"("recipient_employee_id", "created_at");

-- CreateIndex
CREATE INDEX "idx_notifications_unread_query" ON "notifications"("recipient_employee_id", "read_at", "created_at");

-- AddForeignKey
ALTER TABLE "notifications" ADD CONSTRAINT "notifications_recipient_employee_id_fkey" FOREIGN KEY ("recipient_employee_id") REFERENCES "employees"("id") ON DELETE CASCADE ON UPDATE CASCADE;