-- CreateEnum
CREATE TYPE "ConnectionStatus" AS ENUM ('PENDING', 'ACCEPTED', 'REJECTED');

-- CreateEnum
CREATE TYPE "ConnectionType" AS ENUM ('FRIEND', 'FAMILY');

-- CreateTable
CREATE TABLE "UserConnection" (
    "id" TEXT NOT NULL,
    "requesterId" TEXT NOT NULL,
    "receiverId" TEXT NOT NULL,
    "status" "ConnectionStatus" NOT NULL DEFAULT 'PENDING',
    "type" "ConnectionType" NOT NULL DEFAULT 'FRIEND',
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updatedAt" TIMESTAMP(3) NOT NULL,

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

-- CreateTable
CREATE TABLE "DirectMessage" (
    "id" TEXT NOT NULL,
    "senderId" TEXT NOT NULL,
    "receiverId" TEXT NOT NULL,
    "content" TEXT NOT NULL,
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updatedAt" TIMESTAMP(3) NOT NULL,

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

-- CreateIndex
CREATE INDEX "UserConnection_requesterId_idx" ON "UserConnection"("requesterId");

-- CreateIndex
CREATE INDEX "UserConnection_receiverId_idx" ON "UserConnection"("receiverId");

-- CreateIndex
CREATE UNIQUE INDEX "UserConnection_requesterId_receiverId_key" ON "UserConnection"("requesterId", "receiverId");

-- CreateIndex
CREATE INDEX "DirectMessage_senderId_idx" ON "DirectMessage"("senderId");

-- CreateIndex
CREATE INDEX "DirectMessage_receiverId_idx" ON "DirectMessage"("receiverId");

-- AddForeignKey
ALTER TABLE "UserConnection" ADD CONSTRAINT "UserConnection_requesterId_fkey" FOREIGN KEY ("requesterId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "UserConnection" ADD CONSTRAINT "UserConnection_receiverId_fkey" FOREIGN KEY ("receiverId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "DirectMessage" ADD CONSTRAINT "DirectMessage_senderId_fkey" FOREIGN KEY ("senderId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "DirectMessage" ADD CONSTRAINT "DirectMessage_receiverId_fkey" FOREIGN KEY ("receiverId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;