-- CreateTable
CREATE TABLE "users" (
    "id" SERIAL NOT NULL,
    "username" VARCHAR(50) NOT NULL,
    "email" VARCHAR(255) NOT NULL,
    "password_hash" VARCHAR(255) NOT NULL,
    "avatar" VARCHAR(255),
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL,

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

-- CreateTable
CREATE TABLE "events" (
    "id" SERIAL NOT NULL,
    "name" VARCHAR(255) NOT NULL,
    "location" VARCHAR(255) NOT NULL,
    "start_date" DATE NOT NULL,
    "end_date" DATE NOT NULL,
    "worldsdc_id" VARCHAR(100),
    "participants_count" INTEGER NOT NULL DEFAULT 0,
    "description" TEXT,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

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

-- CreateTable
CREATE TABLE "chat_rooms" (
    "id" SERIAL NOT NULL,
    "event_id" INTEGER,
    "type" VARCHAR(20) NOT NULL,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

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

-- CreateTable
CREATE TABLE "messages" (
    "id" SERIAL NOT NULL,
    "room_id" INTEGER NOT NULL,
    "user_id" INTEGER NOT NULL,
    "content" TEXT NOT NULL,
    "type" VARCHAR(20) NOT NULL,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

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

-- CreateTable
CREATE TABLE "matches" (
    "id" SERIAL NOT NULL,
    "user1_id" INTEGER NOT NULL,
    "user2_id" INTEGER NOT NULL,
    "event_id" INTEGER NOT NULL,
    "room_id" INTEGER,
    "status" VARCHAR(20) NOT NULL DEFAULT 'pending',
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

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

-- CreateTable
CREATE TABLE "ratings" (
    "id" SERIAL NOT NULL,
    "match_id" INTEGER NOT NULL,
    "rater_id" INTEGER NOT NULL,
    "rated_id" INTEGER NOT NULL,
    "score" INTEGER NOT NULL,
    "comment" TEXT,
    "would_collaborate_again" BOOLEAN NOT NULL DEFAULT false,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

    CONSTRAINT "ratings_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 "events_worldsdc_id_key" ON "events"("worldsdc_id");

-- CreateIndex
CREATE INDEX "messages_room_id_idx" ON "messages"("room_id");

-- CreateIndex
CREATE INDEX "messages_created_at_idx" ON "messages"("created_at");

-- CreateIndex
CREATE INDEX "matches_user1_id_idx" ON "matches"("user1_id");

-- CreateIndex
CREATE INDEX "matches_user2_id_idx" ON "matches"("user2_id");

-- CreateIndex
CREATE INDEX "matches_event_id_idx" ON "matches"("event_id");

-- CreateIndex
CREATE UNIQUE INDEX "matches_user1_id_user2_id_event_id_key" ON "matches"("user1_id", "user2_id", "event_id");

-- CreateIndex
CREATE INDEX "ratings_rated_id_idx" ON "ratings"("rated_id");

-- CreateIndex
CREATE UNIQUE INDEX "ratings_match_id_rater_id_rated_id_key" ON "ratings"("match_id", "rater_id", "rated_id");

-- AddForeignKey
ALTER TABLE "chat_rooms" ADD CONSTRAINT "chat_rooms_event_id_fkey" FOREIGN KEY ("event_id") REFERENCES "events"("id") ON DELETE SET NULL ON UPDATE CASCADE;

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

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

-- AddForeignKey
ALTER TABLE "matches" ADD CONSTRAINT "matches_user1_id_fkey" FOREIGN KEY ("user1_id") REFERENCES "users"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "matches" ADD CONSTRAINT "matches_user2_id_fkey" FOREIGN KEY ("user2_id") REFERENCES "users"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "matches" ADD CONSTRAINT "matches_event_id_fkey" FOREIGN KEY ("event_id") REFERENCES "events"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "matches" ADD CONSTRAINT "matches_room_id_fkey" FOREIGN KEY ("room_id") REFERENCES "chat_rooms"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "ratings" ADD CONSTRAINT "ratings_match_id_fkey" FOREIGN KEY ("match_id") REFERENCES "matches"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "ratings" ADD CONSTRAINT "ratings_rater_id_fkey" FOREIGN KEY ("rater_id") REFERENCES "users"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "ratings" ADD CONSTRAINT "ratings_rated_id_fkey" FOREIGN KEY ("rated_id") REFERENCES "users"("id") ON DELETE RESTRICT ON UPDATE CASCADE;