-- CreateEnum
CREATE TYPE "call_direction" AS ENUM ('INBOUND', 'OUTBOUND', 'INTERNAL');

-- CreateTable
CREATE TABLE "dispositions" (
    "id" UUID NOT NULL,
    "tenant_id" UUID NOT NULL,
    "name" TEXT NOT NULL,
    "code" TEXT NOT NULL,
    "enabled" BOOLEAN NOT NULL DEFAULT true,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL,

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

-- CreateTable
CREATE TABLE "calls" (
    "id" UUID NOT NULL,
    "tenant_id" UUID NOT NULL,
    "attempt_id" UUID,
    "freeswitch_uuid" UUID NOT NULL,
    "sip_call_id" TEXT,
    "direction" "call_direction" NOT NULL DEFAULT 'INTERNAL',
    "campaign_id" UUID,
    "lead_id" UUID,
    "queue_id" UUID,
    "agent_id" UUID,
    "extension_id" UUID,
    "trunk_id" UUID,
    "caller_number" TEXT,
    "called_number" TEXT,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "progress_at" TIMESTAMP(3),
    "answer_at" TIMESTAMP(3),
    "queue_enter_at" TIMESTAMP(3),
    "agent_answer_at" TIMESTAMP(3),
    "bridge_at" TIMESTAMP(3),
    "end_at" TIMESTAMP(3),
    "ring_time" INTEGER,
    "wait_time" INTEGER,
    "talk_time" INTEGER,
    "duration_seconds" INTEGER,
    "billable_seconds" INTEGER,
    "hangup_cause" TEXT,
    "disposition_id" UUID,

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

-- CreateTable
CREATE TABLE "call_legs" (
    "id" UUID NOT NULL,
    "tenant_id" UUID NOT NULL,
    "call_id" UUID NOT NULL,
    "freeswitch_uuid" UUID NOT NULL,
    "role" TEXT NOT NULL,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "answered_at" TIMESTAMP(3),
    "ended_at" TIMESTAMP(3),
    "hangup_cause" TEXT,

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

-- CreateTable
CREATE TABLE "call_events" (
    "id" UUID NOT NULL,
    "tenant_id" UUID NOT NULL,
    "call_id" UUID NOT NULL,
    "type" TEXT NOT NULL,
    "occurred_at" TIMESTAMP(3) NOT NULL,
    "data" JSONB NOT NULL DEFAULT '{}',

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

-- CreateIndex
CREATE INDEX "dispositions_tenant_id_idx" ON "dispositions"("tenant_id");

-- CreateIndex
CREATE UNIQUE INDEX "dispositions_tenant_id_code_key" ON "dispositions"("tenant_id", "code");

-- CreateIndex
CREATE INDEX "calls_tenant_id_created_at_idx" ON "calls"("tenant_id", "created_at");

-- CreateIndex
CREATE INDEX "calls_tenant_id_queue_id_idx" ON "calls"("tenant_id", "queue_id");

-- CreateIndex
CREATE INDEX "calls_tenant_id_agent_id_idx" ON "calls"("tenant_id", "agent_id");

-- CreateIndex
CREATE INDEX "calls_tenant_id_campaign_id_idx" ON "calls"("tenant_id", "campaign_id");

-- CreateIndex
CREATE INDEX "call_legs_tenant_id_call_id_idx" ON "call_legs"("tenant_id", "call_id");

-- CreateIndex
CREATE UNIQUE INDEX "call_legs_freeswitch_uuid_key" ON "call_legs"("freeswitch_uuid");

-- CreateIndex
CREATE INDEX "call_events_tenant_id_call_id_occurred_at_idx" ON "call_events"("tenant_id", "call_id", "occurred_at");

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

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

-- AddForeignKey
ALTER TABLE "calls" ADD CONSTRAINT "calls_attempt_id_fkey" FOREIGN KEY ("attempt_id") REFERENCES "call_attempts"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "calls" ADD CONSTRAINT "calls_campaign_id_fkey" FOREIGN KEY ("campaign_id") REFERENCES "campaigns"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "calls" ADD CONSTRAINT "calls_lead_id_fkey" FOREIGN KEY ("lead_id") REFERENCES "leads"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "calls" ADD CONSTRAINT "calls_queue_id_fkey" FOREIGN KEY ("queue_id") REFERENCES "queues"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "calls" ADD CONSTRAINT "calls_agent_id_fkey" FOREIGN KEY ("agent_id") REFERENCES "agents"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "calls" ADD CONSTRAINT "calls_extension_id_fkey" FOREIGN KEY ("extension_id") REFERENCES "extensions"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "calls" ADD CONSTRAINT "calls_trunk_id_fkey" FOREIGN KEY ("trunk_id") REFERENCES "trunks"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "calls" ADD CONSTRAINT "calls_disposition_id_fkey" FOREIGN KEY ("disposition_id") REFERENCES "dispositions"("id") ON DELETE SET NULL ON UPDATE CASCADE;

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

-- AddForeignKey
ALTER TABLE "call_legs" ADD CONSTRAINT "call_legs_call_id_fkey" FOREIGN KEY ("call_id") REFERENCES "calls"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

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

-- AddForeignKey
ALTER TABLE "call_events" ADD CONSTRAINT "call_events_call_id_fkey" FOREIGN KEY ("call_id") REFERENCES "calls"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

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

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

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

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