PRAGMA defer_foreign_keys=ON;
PRAGMA foreign_keys=OFF;

-- CreateTable
CREATE TABLE "MaterialGroup" (
    "id" TEXT NOT NULL PRIMARY KEY,
    "classId" TEXT NOT NULL,
    "name" TEXT NOT NULL,
    "type" TEXT NOT NULL,
    "sortOrder" INTEGER NOT NULL DEFAULT 0,
    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    CONSTRAINT "MaterialGroup_classId_fkey" FOREIGN KEY ("classId") REFERENCES "Class" ("id") ON DELETE CASCADE ON UPDATE CASCADE
);

-- RedefineTables
CREATE TABLE "new_Deck" (
    "id" TEXT NOT NULL PRIMARY KEY,
    "classId" TEXT NOT NULL,
    "name" TEXT NOT NULL,
    "description" TEXT,
    "sortOrder" INTEGER NOT NULL DEFAULT 0,
    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "groupId" TEXT,
    CONSTRAINT "Deck_classId_fkey" FOREIGN KEY ("classId") REFERENCES "Class" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
    CONSTRAINT "Deck_groupId_fkey" FOREIGN KEY ("groupId") REFERENCES "MaterialGroup" ("id") ON DELETE SET NULL ON UPDATE CASCADE
);
INSERT INTO "new_Deck" ("classId", "createdAt", "description", "id", "name", "sortOrder")
SELECT "classId", "createdAt", "description", "id", "name", "sortOrder" FROM "Deck";
DROP TABLE "Deck";
ALTER TABLE "new_Deck" RENAME TO "Deck";

CREATE TABLE "new_QuizSet" (
    "id" TEXT NOT NULL PRIMARY KEY,
    "classId" TEXT NOT NULL,
    "name" TEXT NOT NULL,
    "description" TEXT,
    "sortOrder" INTEGER NOT NULL DEFAULT 0,
    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "groupId" TEXT,
    CONSTRAINT "QuizSet_classId_fkey" FOREIGN KEY ("classId") REFERENCES "Class" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
    CONSTRAINT "QuizSet_groupId_fkey" FOREIGN KEY ("groupId") REFERENCES "MaterialGroup" ("id") ON DELETE SET NULL ON UPDATE CASCADE
);
INSERT INTO "new_QuizSet" ("classId", "createdAt", "description", "id", "name", "sortOrder")
SELECT "classId", "createdAt", "description", "id", "name", "sortOrder" FROM "QuizSet";
DROP TABLE "QuizSet";
ALTER TABLE "new_QuizSet" RENAME TO "QuizSet";

CREATE TABLE "new_ShareLink" (
    "id" TEXT NOT NULL PRIMARY KEY,
    "targetType" TEXT NOT NULL,
    "deckId" TEXT,
    "quizSetId" TEXT,
    "groupId" TEXT,
    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    CONSTRAINT "ShareLink_deckId_fkey" FOREIGN KEY ("deckId") REFERENCES "Deck" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
    CONSTRAINT "ShareLink_quizSetId_fkey" FOREIGN KEY ("quizSetId") REFERENCES "QuizSet" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
    CONSTRAINT "ShareLink_groupId_fkey" FOREIGN KEY ("groupId") REFERENCES "MaterialGroup" ("id") ON DELETE CASCADE ON UPDATE CASCADE
);
INSERT INTO "new_ShareLink" ("createdAt", "deckId", "id", "quizSetId", "targetType")
SELECT "createdAt", "deckId", "id", "quizSetId", "targetType" FROM "ShareLink";
DROP TABLE "ShareLink";
ALTER TABLE "new_ShareLink" RENAME TO "ShareLink";
CREATE UNIQUE INDEX "ShareLink_deckId_key" ON "ShareLink"("deckId");
CREATE UNIQUE INDEX "ShareLink_quizSetId_key" ON "ShareLink"("quizSetId");
CREATE UNIQUE INDEX "ShareLink_groupId_key" ON "ShareLink"("groupId");

PRAGMA foreign_keys=ON;
PRAGMA defer_foreign_keys=OFF;