-- PHASE 58: menu de IVR (autoria por cima do dialplan genérico)
CREATE TABLE "ivr_menus" (
    "id" UUID NOT NULL,
    "tenant_id" UUID NOT NULL,
    "name" TEXT NOT NULL,
    "context" TEXT NOT NULL,
    "greeting" TEXT,
    "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 "ivr_menus_pkey" PRIMARY KEY ("id")
);

CREATE TABLE "ivr_menu_options" (
    "id" UUID NOT NULL,
    "tenant_id" UUID NOT NULL,
    "ivr_menu_id" UUID NOT NULL,
    "digit" TEXT NOT NULL,
    "destination_number" TEXT NOT NULL,
    "destination_context" TEXT NOT NULL DEFAULT 'default',
    "label" TEXT,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

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

-- CreateIndex
CREATE INDEX "ivr_menus_tenant_id_idx" ON "ivr_menus"("tenant_id");
CREATE UNIQUE INDEX "ivr_menus_tenant_id_context_key" ON "ivr_menus"("tenant_id", "context");
CREATE INDEX "ivr_menu_options_tenant_id_idx" ON "ivr_menu_options"("tenant_id");
CREATE UNIQUE INDEX "ivr_menu_options_ivr_menu_id_digit_key" ON "ivr_menu_options"("ivr_menu_id", "digit");

-- AddForeignKey
ALTER TABLE "ivr_menus" ADD CONSTRAINT "ivr_menus_tenant_id_fkey" FOREIGN KEY ("tenant_id") REFERENCES "tenants"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
ALTER TABLE "ivr_menu_options" ADD CONSTRAINT "ivr_menu_options_tenant_id_fkey" FOREIGN KEY ("tenant_id") REFERENCES "tenants"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
ALTER TABLE "ivr_menu_options" ADD CONSTRAINT "ivr_menu_options_ivr_menu_id_fkey" FOREIGN KEY ("ivr_menu_id") REFERENCES "ivr_menus"("id") ON DELETE CASCADE ON UPDATE CASCADE;

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

ALTER TABLE "ivr_menu_options" ENABLE ROW LEVEL SECURITY;
ALTER TABLE "ivr_menu_options" FORCE ROW LEVEL SECURITY;
CREATE POLICY "tenant_isolation" ON "ivr_menu_options"
  USING (tenant_id = NULLIF(current_setting('app.current_tenant_id', true), '')::uuid);