-- CreateEnum
CREATE TYPE "dialplan_version_status" AS ENUM ('DRAFT', 'ACTIVE', 'SUPERSEDED');

-- CreateTable
CREATE TABLE "dialplan_extensions" (
    "id" UUID NOT NULL,
    "tenant_id" UUID NOT NULL,
    "context" TEXT NOT NULL DEFAULT 'default',
    "name" TEXT NOT NULL,
    "condition_field" TEXT NOT NULL,
    "condition_expr" TEXT NOT NULL,
    "actions" JSONB NOT NULL,
    "anti_actions" JSONB,
    "continue_on_false" BOOLEAN NOT NULL DEFAULT false,
    "order" INTEGER NOT NULL DEFAULT 0,
    "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 "dialplan_extensions_pkey" PRIMARY KEY ("id")
);

-- CreateTable
CREATE TABLE "dialplan_versions" (
    "id" UUID NOT NULL,
    "tenant_id" UUID NOT NULL,
    "context" TEXT NOT NULL,
    "version" INTEGER NOT NULL,
    "generated_xml" TEXT NOT NULL,
    "status" "dialplan_version_status" NOT NULL DEFAULT 'DRAFT',
    "created_by_user_id" UUID,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "activated_at" TIMESTAMP(3),

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

-- CreateIndex
CREATE INDEX "dialplan_extensions_tenant_id_context_idx" ON "dialplan_extensions"("tenant_id", "context");

-- CreateIndex
CREATE INDEX "dialplan_versions_tenant_id_context_status_idx" ON "dialplan_versions"("tenant_id", "context", "status");

-- CreateIndex
CREATE UNIQUE INDEX "dialplan_versions_tenant_id_context_version_key" ON "dialplan_versions"("tenant_id", "context", "version");

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

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

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

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