-- AlterTable
ALTER TABLE "Task" ADD COLUMN     "epicId" TEXT;

-- CreateTable
CREATE TABLE "Epic" (
    "id" TEXT NOT NULL,
    "name" TEXT NOT NULL,
    "description" TEXT,
    "status" "TaskStatus" NOT NULL DEFAULT 'BACKLOG',
    "workspaceId" TEXT NOT NULL,
    "assigneeId" TEXT,
    "projectId" TEXT,
    "dueDate" TIMESTAMP(3),
    "labels" TEXT[],
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updatedAt" TIMESTAMP(3) NOT NULL,

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

-- AddForeignKey
ALTER TABLE "Epic" ADD CONSTRAINT "Epic_workspaceId_fkey" FOREIGN KEY ("workspaceId") REFERENCES "Workspace"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "Epic" ADD CONSTRAINT "Epic_assigneeId_fkey" FOREIGN KEY ("assigneeId") REFERENCES "Member"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "Epic" ADD CONSTRAINT "Epic_projectId_fkey" FOREIGN KEY ("projectId") REFERENCES "Project"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "Task" ADD CONSTRAINT "Task_epicId_fkey" FOREIGN KEY ("epicId") REFERENCES "Epic"("id") ON DELETE SET NULL ON UPDATE CASCADE;