-- CreateEnum
CREATE TYPE "queue_strategy" AS ENUM ('LONGEST_IDLE_AGENT', 'ROUND_ROBIN', 'TOP_DOWN', 'AGENT_WITH_LEAST_TALK_TIME', 'AGENT_WITH_FEWEST_CALLS', 'SEQUENTIALLY_BY_AGENT_ORDER', 'RING_ALL', 'RING_PROGRESSIVELY');

-- CreateTable
CREATE TABLE "queues" (
    "id" UUID NOT NULL,
    "tenant_id" UUID NOT NULL,
    "name" TEXT NOT NULL,
    "description" TEXT,
    "strategy" "queue_strategy" NOT NULL DEFAULT 'LONGEST_IDLE_AGENT',
    "moh_sound" TEXT,
    "announce_sound" TEXT,
    "announce_frequency" INTEGER NOT NULL DEFAULT 0,
    "max_wait_time" INTEGER NOT NULL DEFAULT 0,
    "max_wait_time_with_no_agent" INTEGER NOT NULL DEFAULT 0,
    "agent_no_answer_status" TEXT,
    "tier_rules_apply" BOOLEAN NOT NULL DEFAULT false,
    "tier_rule_wait_second" INTEGER NOT NULL DEFAULT 300,
    "discard_abandoned_after" INTEGER NOT NULL DEFAULT 60,
    "abandoned_resume_allowed" BOOLEAN NOT NULL DEFAULT false,
    "skip_agents_with_external_calls" BOOLEAN NOT NULL DEFAULT true,
    "recording_enabled" BOOLEAN NOT NULL DEFAULT false,
    "enabled" BOOLEAN NOT NULL DEFAULT true,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL,
    "deleted_at" TIMESTAMP(3),

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

-- CreateIndex
CREATE INDEX "queues_tenant_id_idx" ON "queues"("tenant_id");

-- CreateIndex
CREATE UNIQUE INDEX "queues_tenant_id_name_key" ON "queues"("tenant_id", "name");

-- AddForeignKey
ALTER TABLE "queues" ADD CONSTRAINT "queues_tenant_id_fkey" FOREIGN KEY ("tenant_id") REFERENCES "tenants"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- Tabela de negocio tenant-scoped: RLS obrigatorio (ver docs/TENANT_ISOLATION.md).
ALTER TABLE "queues" ENABLE ROW LEVEL SECURITY;
ALTER TABLE "queues" FORCE ROW LEVEL SECURITY;
CREATE POLICY "tenant_isolation" ON "queues"
  USING (tenant_id = NULLIF(current_setting('app.current_tenant_id', true), '')::uuid);