-- CreateTable
CREATE TABLE "labels" (
    "id" TEXT NOT NULL,
    "pond_id" TEXT NOT NULL,
    "parent_id" TEXT,
    "name" TEXT NOT NULL,
    "color" TEXT NOT NULL,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL,

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

-- CreateTable
CREATE TABLE "page_labels" (
    "page_id" TEXT NOT NULL,
    "label_id" TEXT NOT NULL,

    CONSTRAINT "page_labels_pkey" PRIMARY KEY ("page_id","label_id")
);

-- CreateIndex
CREATE INDEX "labels_pond_id_idx" ON "labels"("pond_id");

-- CreateIndex
CREATE UNIQUE INDEX "labels_pond_id_parent_id_name_key" ON "labels"("pond_id", "parent_id", "name");

-- CreateIndex
CREATE INDEX "page_labels_label_id_idx" ON "page_labels"("label_id");

-- AddForeignKey
ALTER TABLE "labels" ADD CONSTRAINT "labels_pond_id_fkey" FOREIGN KEY ("pond_id") REFERENCES "ponds"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "labels" ADD CONSTRAINT "labels_parent_id_fkey" FOREIGN KEY ("parent_id") REFERENCES "labels"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "page_labels" ADD CONSTRAINT "page_labels_page_id_fkey" FOREIGN KEY ("page_id") REFERENCES "pages"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "page_labels" ADD CONSTRAINT "page_labels_label_id_fkey" FOREIGN KEY ("label_id") REFERENCES "labels"("id") ON DELETE CASCADE ON UPDATE CASCADE;