-- CreateTable
CREATE TABLE "users" (
    "id" TEXT NOT NULL,
    "username" TEXT NOT NULL,
    "email" TEXT NOT NULL,
    "password" TEXT NOT NULL,
    "avatar" TEXT,
    "isOnline" BOOLEAN NOT NULL DEFAULT false,
    "lastSeen" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updatedAt" TIMESTAMP(3) NOT NULL,

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

-- CreateTable
CREATE TABLE "chat_rooms" (
    "id" TEXT NOT NULL,
    "name" TEXT NOT NULL,
    "description" TEXT,
    "isPrivate" BOOLEAN NOT NULL DEFAULT false,
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updatedAt" TIMESTAMP(3) NOT NULL,
    "createdBy" TEXT NOT NULL,

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

-- CreateTable
CREATE TABLE "chat_room_members" (
    "id" TEXT NOT NULL,
    "userId" TEXT NOT NULL,
    "roomId" TEXT NOT NULL,
    "joinedAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "role" TEXT NOT NULL DEFAULT 'member',

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

-- CreateTable
CREATE TABLE "messages" (
    "id" TEXT NOT NULL,
    "content" TEXT NOT NULL,
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updatedAt" TIMESTAMP(3) NOT NULL,
    "userId" TEXT NOT NULL,
    "roomId" TEXT NOT NULL,

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

-- CreateTable
CREATE TABLE "message_reactions" (
    "id" TEXT NOT NULL,
    "type" TEXT NOT NULL,
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "userId" TEXT NOT NULL,
    "messageId" TEXT NOT NULL,

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

-- CreateIndex
CREATE UNIQUE INDEX "users_username_key" ON "users"("username");

-- CreateIndex
CREATE UNIQUE INDEX "users_email_key" ON "users"("email");

-- CreateIndex
CREATE UNIQUE INDEX "chat_room_members_userId_roomId_key" ON "chat_room_members"("userId", "roomId");

-- CreateIndex
CREATE UNIQUE INDEX "message_reactions_userId_messageId_type_key" ON "message_reactions"("userId", "messageId", "type");

-- AddForeignKey
ALTER TABLE "chat_rooms" ADD CONSTRAINT "chat_rooms_createdBy_fkey" FOREIGN KEY ("createdBy") REFERENCES "users"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "chat_room_members" ADD CONSTRAINT "chat_room_members_userId_fkey" FOREIGN KEY ("userId") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "chat_room_members" ADD CONSTRAINT "chat_room_members_roomId_fkey" FOREIGN KEY ("roomId") REFERENCES "chat_rooms"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "messages" ADD CONSTRAINT "messages_userId_fkey" FOREIGN KEY ("userId") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "messages" ADD CONSTRAINT "messages_roomId_fkey" FOREIGN KEY ("roomId") REFERENCES "chat_rooms"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "message_reactions" ADD CONSTRAINT "message_reactions_userId_fkey" FOREIGN KEY ("userId") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "message_reactions" ADD CONSTRAINT "message_reactions_messageId_fkey" FOREIGN KEY ("messageId") REFERENCES "messages"("id") ON DELETE CASCADE ON UPDATE CASCADE;