-- CreateTable
CREATE TABLE "notification_channels" (
    "id" TEXT NOT NULL,
    "user_id" TEXT NOT NULL,
    "type" TEXT NOT NULL,
    "enabled" BOOLEAN NOT NULL DEFAULT true,
    "config" TEXT NOT NULL,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL,

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

-- CreateTable
CREATE TABLE "notification_preferences" (
    "id" TEXT NOT NULL,
    "channel_id" TEXT NOT NULL,
    "event_type" TEXT NOT NULL,
    "enabled" BOOLEAN NOT NULL DEFAULT true,

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

-- CreateTable
CREATE TABLE "push_subscriptions" (
    "id" TEXT NOT NULL,
    "user_id" TEXT NOT NULL,
    "endpoint" TEXT NOT NULL,
    "p256dh" TEXT NOT NULL,
    "auth" TEXT NOT NULL,
    "user_agent" TEXT,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

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

-- CreateIndex
CREATE INDEX "notification_channels_user_id_idx" ON "notification_channels"("user_id");
CREATE UNIQUE INDEX "notification_channels_user_id_type_key" ON "notification_channels"("user_id", "type");

-- CreateIndex
CREATE UNIQUE INDEX "notification_preferences_channel_id_event_type_key" ON "notification_preferences"("channel_id", "event_type");

-- CreateIndex
CREATE INDEX "push_subscriptions_user_id_idx" ON "push_subscriptions"("user_id");
CREATE UNIQUE INDEX "push_subscriptions_user_id_endpoint_key" ON "push_subscriptions"("user_id", "endpoint");

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

-- AddForeignKey
ALTER TABLE "notification_preferences" ADD CONSTRAINT "notification_preferences_channel_id_fkey" FOREIGN KEY ("channel_id") REFERENCES "notification_channels"("id") ON DELETE CASCADE ON UPDATE CASCADE;

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