-- CreateTable
CREATE TABLE "attachments" (
    "id" TEXT NOT NULL,
    "pond_id" TEXT NOT NULL,
    "page_id" TEXT,
    "file_name" TEXT NOT NULL,
    "mime_type" TEXT NOT NULL,
    "size_bytes" INTEGER NOT NULL,
    "storage_path" TEXT NOT NULL,
    "uploaded_by" TEXT NOT NULL,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "deleted_at" TIMESTAMP(3),

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

-- CreateIndex
CREATE INDEX "attachments_pond_id_idx" ON "attachments"("pond_id");

-- CreateIndex
CREATE INDEX "attachments_page_id_idx" ON "attachments"("page_id");

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

-- AddForeignKey
ALTER TABLE "attachments" ADD CONSTRAINT "attachments_page_id_fkey" FOREIGN KEY ("page_id") REFERENCES "pages"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "attachments" ADD CONSTRAINT "attachments_uploaded_by_fkey" FOREIGN KEY ("uploaded_by") REFERENCES "users"("id") ON DELETE RESTRICT ON UPDATE CASCADE;