-- CreateEnum
CREATE TYPE "StageType" AS ENUM ('ROUND_ROBIN', 'SINGLE_ELIM');

-- CreateTable
CREATE TABLE "Player" (
    "id" SERIAL NOT NULL,
    "name" TEXT NOT NULL,
    "email" TEXT NOT NULL,
    "registeredAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

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

-- CreateTable
CREATE TABLE "AdminUser" (
    "id" SERIAL NOT NULL,
    "username" TEXT NOT NULL,
    "passwordHash" TEXT NOT NULL,

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

-- CreateTable
CREATE TABLE "TournamentStage" (
    "id" SERIAL NOT NULL,
    "type" "StageType" NOT NULL,
    "startedAt" TIMESTAMP(3),
    "endedAt" TIMESTAMP(3),

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

-- CreateTable
CREATE TABLE "Match" (
    "id" SERIAL NOT NULL,
    "stageId" INTEGER NOT NULL,
    "player1Id" INTEGER NOT NULL,
    "player2Id" INTEGER NOT NULL,
    "scheduledAt" TIMESTAMP(3) NOT NULL,

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

-- CreateTable
CREATE TABLE "Result" (
    "id" SERIAL NOT NULL,
    "matchId" INTEGER NOT NULL,
    "player1Score" INTEGER NOT NULL,
    "player2Score" INTEGER NOT NULL,
    "winnerId" INTEGER NOT NULL,

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

-- CreateIndex
CREATE UNIQUE INDEX "Player_email_key" ON "Player"("email");

-- CreateIndex
CREATE UNIQUE INDEX "AdminUser_username_key" ON "AdminUser"("username");

-- CreateIndex
CREATE UNIQUE INDEX "Result_matchId_key" ON "Result"("matchId");

-- AddForeignKey
ALTER TABLE "Match" ADD CONSTRAINT "Match_stageId_fkey" FOREIGN KEY ("stageId") REFERENCES "TournamentStage"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "Match" ADD CONSTRAINT "Match_player1Id_fkey" FOREIGN KEY ("player1Id") REFERENCES "Player"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "Match" ADD CONSTRAINT "Match_player2Id_fkey" FOREIGN KEY ("player2Id") REFERENCES "Player"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "Result" ADD CONSTRAINT "Result_matchId_fkey" FOREIGN KEY ("matchId") REFERENCES "Match"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "Result" ADD CONSTRAINT "Result_winnerId_fkey" FOREIGN KEY ("winnerId") REFERENCES "Player"("id") ON DELETE RESTRICT ON UPDATE CASCADE;