-- CreateEnum
CREATE TYPE "AnnouncementType" AS ENUM ('system_broadcast', 'host_broadcast', 'admin_message', 'host_message');

-- CreateEnum
CREATE TYPE "TicketStatus" AS ENUM ('open', 'in_progress', 'resolved', 'closed');

-- CreateEnum
CREATE TYPE "TicketPriority" AS ENUM ('low', 'normal', 'high', 'urgent');

-- AlterTable
ALTER TABLE "instance_transfers" ALTER COLUMN "updated_at" DROP DEFAULT;

-- CreateTable
CREATE TABLE "announcements" (
    "id" SERIAL NOT NULL,
    "type" "AnnouncementType" NOT NULL,
    "sender_id" INTEGER NOT NULL,
    "title" TEXT NOT NULL,
    "content" TEXT NOT NULL,
    "recipient_count" INTEGER NOT NULL,
    "host_id" INTEGER,
    "target_user_id" INTEGER,
    "instance_id" INTEGER,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

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

-- CreateTable
CREATE TABLE "tickets" (
    "id" SERIAL NOT NULL,
    "user_id" INTEGER NOT NULL,
    "host_id" INTEGER NOT NULL,
    "instance_id" INTEGER,
    "subject" TEXT NOT NULL,
    "category" TEXT NOT NULL DEFAULT 'general',
    "priority" "TicketPriority" NOT NULL DEFAULT 'normal',
    "status" "TicketStatus" NOT NULL DEFAULT 'open',
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL,
    "resolved_at" TIMESTAMP(3),
    "closed_at" TIMESTAMP(3),

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

-- CreateTable
CREATE TABLE "ticket_messages" (
    "id" SERIAL NOT NULL,
    "ticket_id" INTEGER NOT NULL,
    "sender_id" INTEGER NOT NULL,
    "content" TEXT NOT NULL,
    "is_from_owner" BOOLEAN NOT NULL DEFAULT false,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

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

-- CreateIndex
CREATE INDEX "announcements_sender_id_created_at_idx" ON "announcements"("sender_id", "created_at" DESC);

-- CreateIndex
CREATE INDEX "announcements_host_id_created_at_idx" ON "announcements"("host_id", "created_at" DESC);

-- CreateIndex
CREATE INDEX "announcements_type_created_at_idx" ON "announcements"("type", "created_at" DESC);

-- CreateIndex
CREATE INDEX "tickets_user_id_status_idx" ON "tickets"("user_id", "status");

-- CreateIndex
CREATE INDEX "tickets_host_id_status_idx" ON "tickets"("host_id", "status");

-- CreateIndex
CREATE INDEX "tickets_status_created_at_idx" ON "tickets"("status", "created_at" DESC);

-- CreateIndex
CREATE INDEX "ticket_messages_ticket_id_created_at_idx" ON "ticket_messages"("ticket_id", "created_at");

-- AddForeignKey
ALTER TABLE "announcements" ADD CONSTRAINT "announcements_sender_id_fkey" FOREIGN KEY ("sender_id") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "announcements" ADD CONSTRAINT "announcements_host_id_fkey" FOREIGN KEY ("host_id") REFERENCES "hosts"("id") ON DELETE SET NULL ON UPDATE CASCADE;

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

-- AddForeignKey
ALTER TABLE "tickets" ADD CONSTRAINT "tickets_host_id_fkey" FOREIGN KEY ("host_id") REFERENCES "hosts"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "tickets" ADD CONSTRAINT "tickets_instance_id_fkey" FOREIGN KEY ("instance_id") REFERENCES "instances"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "ticket_messages" ADD CONSTRAINT "ticket_messages_ticket_id_fkey" FOREIGN KEY ("ticket_id") REFERENCES "tickets"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "ticket_messages" ADD CONSTRAINT "ticket_messages_sender_id_fkey" FOREIGN KEY ("sender_id") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;