-- CreateEnum
CREATE TYPE "PageVersionTrigger" AS ENUM ('AUTO', 'MANUAL', 'PRE_RESTORE');

-- CreateTable
CREATE TABLE "page_versions" (
    "id" TEXT NOT NULL,
    "page_id" TEXT NOT NULL,
    "ydoc_snapshot" BYTEA NOT NULL,
    "trigger" "PageVersionTrigger" NOT NULL,
    "label" TEXT,
    "contributor_ids" TEXT[],
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

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

-- CreateTable
CREATE TABLE "page_pending_contributors" (
    "page_id" TEXT NOT NULL,
    "user_id" TEXT NOT NULL,

    CONSTRAINT "page_pending_contributors_pkey" PRIMARY KEY ("page_id","user_id")
);

-- CreateIndex
CREATE INDEX "page_versions_page_id_created_at_idx" ON "page_versions"("page_id", "created_at");

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

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