fiscal 0.6.0

// Ported from TypeScript render-coverage-ported.test.ts (31 tests)
//
// Each TypeScript describe()/it() block becomes a Rust mod/test.
// All tests compile but will fail at runtime (implementations use todo!()).

mod common;

use chrono::FixedOffset;
use fiscal::newtypes::{Cents, IbgeCode, Rate, Rate4};
use fiscal::types::*;
use fiscal::xml_builder::InvoiceBuilder;
use fiscal::xml_utils::{TagContent, tag};

use common::expect_xml_tag_values as expect_xml_contains;

/// Build a DateTime<FixedOffset> for 2025-01-15T10:30:00-03:00
fn make_issued_at() -> chrono::DateTime<FixedOffset> {
    let offset = FixedOffset::west_opt(3 * 3600).unwrap();
    chrono::NaiveDate::from_ymd_opt(2025, 1, 15)
        .unwrap()
        .and_hms_opt(10, 30, 0)
        .unwrap()
        .and_local_timezone(offset)
        .unwrap()
}

/// Shared issuer for model 55 tests (tax_regime = Normal)
fn make_issuer_normal() -> IssuerData {
    IssuerData::new(
        "58716523000119",
        "111222333444",
        "Empresa Teste",
        TaxRegime::Normal,
        "SP",
        IbgeCode("3550308".into()),
        "Sao Paulo",
        "Rua Teste",
        "100",
        "Centro",
        "01001000",
    )
}

/// Shared issuer for NFC-e with trade_name and Simples Nacional
fn make_issuer_simples() -> IssuerData {
    IssuerData::new(
        "58716523000119",
        "111222333444",
        "Empresa Teste",
        TaxRegime::SimplesNacional,
        "SP",
        IbgeCode("3550308".into()),
        "Sao Paulo",
        "Rua Teste",
        "100",
        "Centro",
        "01001000",
    )
}

/// Base item for ICMS CST 00 with PIS/COFINS CST 01
fn make_base_item() -> InvoiceItemData {
    InvoiceItemData::new(
        1,
        "001",
        "Produto Teste",
        "61091000",
        "5102",
        "UN",
        1.0,
        Cents(10000),
        Cents(10000),
        "00",
        Rate(1800),
        Cents(1800),
        "01",
        "01",
    )
    .icms_mod_bc(0)
}

/// Base invoice builder factory for model 55
fn make_base_builder() -> InvoiceBuilder {
    InvoiceBuilder::new(
        make_issuer_normal(),
        SefazEnvironment::Homologation,
        InvoiceModel::Nfe,
    )
    .series(1)
    .invoice_number(1)
    .issued_at(make_issued_at())
    .items(vec![make_base_item()])
    .payments(vec![PaymentData::new("01", Cents(10000))])
}

// ═══════════════════════════════════════════════════════════════════════════
//  render() with complete NF-e (model 55)
// ═══════════════════════════════════════════════════════════════════════════

mod render_complete_nfe_55 {
    use super::*;

    #[test]
    fn test_render_complete_nfe55_has_all_sections() {
        let mut item = make_base_item();
        item.pis_v_bc = Some(Cents(10000));
        item.pis_p_pis = Some(Rate4(16500));
        item.pis_v_pis = Some(Cents(165));
        item.cofins_v_bc = Some(Cents(10000));
        item.cofins_p_cofins = Some(Rate4(76000));
        item.cofins_v_cofins = Some(Cents(760));

        let mut issuer = make_issuer_normal();
        issuer.trade_name = Some("Teste".into());

        let built = InvoiceBuilder::new(issuer, SefazEnvironment::Homologation, InvoiceModel::Nfe)
            .series(1)
            .invoice_number(1)
            .issued_at(make_issued_at())
            .items(vec![item])
            .payments(vec![PaymentData::new("01", Cents(10000))])
            .recipient(RecipientData::new("12345678901", "Cliente Teste").state_code("SP"))
            .withdrawal(
                LocationData::new(
                    "99887766000100",
                    "Rua Retirada",
                    "50",
                    "Industrial",
                    IbgeCode("4106902".into()),
                    "Curitiba",
                    "PR",
                )
                .name("Empresa Origem"),
            )
            .delivery(
                LocationData::new(
                    "11222333000181",
                    "Rua Entrega",
                    "200",
                    "Centro",
                    IbgeCode("3550308".into()),
                    "Sao Paulo",
                    "SP",
                )
                .name("Empresa Destino"),
            )
            .authorized_xml(vec![AuthorizedXml::new("12345678000195")])
            .billing(
                BillingData::new()
                    .invoice(BillingInvoice::new("001", Cents(10000), Cents(10000)))
                    .installments(vec![Installment::new("001", "2025-02-15", Cents(10000))]),
            )
            .transport(
                TransportData::new("0").carrier(
                    CarrierData::new()
                        .tax_id("12345678000195")
                        .name("Transportadora"),
                ),
            )
            .intermediary(IntermediaryData::new("55667788000199"))
            .additional_info(AdditionalInfo::new().taxpayer_note("Nota teste"))
            .export(ExportData::new("SP", "Porto de Santos"))
            .purchase(PurchaseData::new().order_number("PED-001"))
            .tech_responsible(TechResponsibleData::new(
                "11223344000155",
                "Suporte",
                "suporte@teste.com",
            ))
            .references(vec![ReferenceDoc::Nfe {
                access_key: "35170358716523000119550010000000291000000291".into(),
            }])
            .build()
            .unwrap();

        let xml = built.xml();

        // Check all sections present in correct order
        assert!(xml.contains("<ide>"));
        assert!(xml.contains("<emit>"));
        assert!(xml.contains("<dest>"));
        assert!(xml.contains("<retirada>"));
        assert!(xml.contains("<entrega>"));
        assert!(xml.contains("<autXML>"));
        assert!(xml.contains("<det "));
        assert!(xml.contains("<total>"));
        assert!(xml.contains("<transp>"));
        assert!(xml.contains("<cobr>"));
        assert!(xml.contains("<pag>"));
        assert!(xml.contains("<infIntermed>"));
        assert!(xml.contains("<infAdic>"));
        assert!(xml.contains("<exporta>"));
        assert!(xml.contains("<compra>"));
        assert!(xml.contains("<infRespTec>"));

        // Verify order: retirada before entrega before autXML before det
        let retirada_pos = xml.find("<retirada>").unwrap();
        let entrega_pos = xml.find("<entrega>").unwrap();
        let aut_xml_pos = xml.find("<autXML>").unwrap();
        let det_pos = xml.find("<det ").unwrap();
        let total_pos = xml.find("<total>").unwrap();
        let transp_pos = xml.find("<transp>").unwrap();
        let cobr_pos = xml.find("<cobr>").unwrap();
        let pag_pos = xml.find("<pag>").unwrap();
        assert!(retirada_pos < entrega_pos);
        assert!(entrega_pos < aut_xml_pos);
        assert!(aut_xml_pos < det_pos);
        assert!(det_pos < total_pos);
        assert!(total_pos < transp_pos);
        assert!(transp_pos < cobr_pos);
        assert!(cobr_pos < pag_pos);
    }
}

// ═══════════════════════════════════════════════════════════════════════════
//  render() with NFC-e (model 65)
// ═══════════════════════════════════════════════════════════════════════════

mod render_nfce_model_65 {
    use super::*;

    #[test]
    fn test_render_nfce_model_65_produces_xml_with_mod_65_ind_final_1_tp_imp_4() {
        let mut item = make_base_item();
        item.description = "Produto NFC-e".into();
        item.unit_price = Cents(5000);
        item.total_price = Cents(5000);
        item.icms_cst = "102".into();
        item.icms_rate = Rate(0);
        item.icms_amount = Cents(0);
        item.icms_mod_bc = None;
        item.pis_cst = "07".into();
        item.cofins_cst = "07".into();

        let built = InvoiceBuilder::new(
            make_issuer_simples(),
            SefazEnvironment::Homologation,
            InvoiceModel::Nfce,
        )
        .series(1)
        .invoice_number(1)
        .issued_at(make_issued_at())
        .consumer_type("1")
        .buyer_presence("1")
        .print_format("4")
        .items(vec![item])
        .payments(vec![PaymentData::new("01", Cents(5000))])
        .build()
        .unwrap();

        let xml = built.xml();

        assert!(xml.contains("<mod>65</mod>"));
        assert!(xml.contains("<indFinal>1</indFinal>"));
        assert!(xml.contains("<tpImp>4</tpImp>"));
    }
}

// ═══════════════════════════════════════════════════════════════════════════
//  TraitTagTotal: tagICMSTot
// ═══════════════════════════════════════════════════════════════════════════

mod trait_tag_total_icms_tot {
    use super::*;

    #[test]
    fn test_tag_icms_tot_with_accumulated_values_builds_icms_tot_with_all_monetary_fields() {
        let xml = tag(
            "ICMSTot",
            &[],
            TagContent::Children(vec![
                tag("vBC", &[], "1000.00".into()),
                tag("vICMS", &[], "180.00".into()),
                tag("vICMSDeson", &[], "10.00".into()),
                tag("vBCST", &[], "200.00".into()),
                tag("vST", &[], "36.00".into()),
                tag("vProd", &[], "1000.00".into()),
                tag("vFrete", &[], "50.00".into()),
                tag("vSeg", &[], "25.00".into()),
                tag("vDesc", &[], "15.00".into()),
                tag("vII", &[], "30.00".into()),
                tag("vIPI", &[], "45.00".into()),
                tag("vPIS", &[], "16.50".into()),
                tag("vCOFINS", &[], "76.00".into()),
                tag("vOutro", &[], "5.00".into()),
                tag("vNF", &[], "1196.50".into()),
                tag("vTotTrib", &[], "383.50".into()),
                tag("vFCP", &[], "20.00".into()),
                tag("vFCPST", &[], "4.00".into()),
                tag("vFCPSTRet", &[], "2.00".into()),
            ]),
        );

        expect_xml_contains(
            &xml,
            &[
                ("vBC", "1000.00"),
                ("vICMS", "180.00"),
                ("vICMSDeson", "10.00"),
                ("vBCST", "200.00"),
                ("vST", "36.00"),
                ("vFrete", "50.00"),
                ("vSeg", "25.00"),
                ("vDesc", "15.00"),
                ("vII", "30.00"),
                ("vIPI", "45.00"),
                ("vPIS", "16.50"),
                ("vCOFINS", "76.00"),
                ("vOutro", "5.00"),
                ("vTotTrib", "383.50"),
                ("vFCP", "20.00"),
                ("vFCPST", "4.00"),
                ("vFCPSTRet", "2.00"),
            ],
        );
    }
}

// ═══════════════════════════════════════════════════════════════════════════
//  TraitTagTotal: tagISSQNTot
// ═══════════════════════════════════════════════════════════════════════════

mod trait_tag_total_issqn_tot {
    use super::*;

    #[test]
    fn test_tag_issqn_tot_builds_issqn_tot_with_all_fields() {
        let xml = tag(
            "ISSQNtot",
            &[],
            TagContent::Children(vec![
                tag("vServ", &[], "500.00".into()),
                tag("vBC", &[], "500.00".into()),
                tag("vISS", &[], "25.00".into()),
                tag("vPIS", &[], "8.25".into()),
                tag("vCOFINS", &[], "38.00".into()),
                tag("dCompet", &[], "2017-03-03".into()),
                tag("vDeducao", &[], "10.00".into()),
                tag("vOutro", &[], "5.00".into()),
                tag("vDescIncond", &[], "3.00".into()),
                tag("vDescCond", &[], "2.00".into()),
                tag("vISSRet", &[], "12.50".into()),
                tag("cRegTrib", &[], "5".into()),
            ]),
        );

        expect_xml_contains(
            &xml,
            &[
                ("vServ", "500.00"),
                ("vISS", "25.00"),
                ("dCompet", "2017-03-03"),
                ("vDeducao", "10.00"),
                ("vISSRet", "12.50"),
                ("cRegTrib", "5"),
            ],
        );
    }
}

// ═══════════════════════════════════════════════════════════════════════════
//  TraitTagTotal: tagretTrib
// ═══════════════════════════════════════════════════════════════════════════

mod trait_tag_total_ret_trib {
    use super::*;

    #[test]
    fn test_tag_ret_trib_builds_ret_trib_with_all_retention_fields() {
        let xml = tag(
            "retTrib",
            &[],
            TagContent::Children(vec![
                tag("vRetPIS", &[], "10.00".into()),
                tag("vRetCOFINS", &[], "46.00".into()),
                tag("vRetCSLL", &[], "5.00".into()),
                tag("vBCIRRF", &[], "100.00".into()),
                tag("vIRRF", &[], "15.00".into()),
                tag("vBCRetPrev", &[], "200.00".into()),
                tag("vRetPrev", &[], "22.00".into()),
            ]),
        );

        expect_xml_contains(
            &xml,
            &[
                ("vRetPIS", "10.00"),
                ("vRetCOFINS", "46.00"),
                ("vRetCSLL", "5.00"),
                ("vBCIRRF", "100.00"),
                ("vIRRF", "15.00"),
                ("vBCRetPrev", "200.00"),
                ("vRetPrev", "22.00"),
            ],
        );
    }

    #[test]
    fn test_tag_ret_trib_should_be_inside_total_section_in_rendered_xml() {
        let built = make_base_builder()
            .ret_trib(
                RetTribData::new()
                    .v_ret_pis(Cents(1000))
                    .v_ret_cofins(Cents(4600))
                    .v_ret_csll(Cents(500))
                    .v_bc_irrf(Cents(10000))
                    .v_irrf(Cents(1500))
                    .v_bc_ret_prev(Cents(20000))
                    .v_ret_prev(Cents(2200)),
            )
            .build()
            .unwrap();

        let xml = built.xml();

        // retTrib must be inside <total>
        assert!(xml.contains("<retTrib>"));
        let total_pos = xml.find("<total>").unwrap();
        let ret_trib_pos = xml.find("<retTrib>").unwrap();
        let total_end_pos = xml.find("</total>").unwrap();
        assert!(ret_trib_pos > total_pos);
        assert!(ret_trib_pos < total_end_pos);

        expect_xml_contains(
            xml,
            &[
                ("vRetPIS", "10.00"),
                ("vRetCOFINS", "46.00"),
                ("vRetCSLL", "5.00"),
                ("vBCIRRF", "100.00"),
                ("vIRRF", "15.00"),
                ("vBCRetPrev", "200.00"),
                ("vRetPrev", "22.00"),
            ],
        );
    }
}

// ═══════════════════════════════════════════════════════════════════════════
//  TraitTagTransp: full transport group
// ═══════════════════════════════════════════════════════════════════════════

mod trait_tag_transp {
    use super::*;

    #[test]
    fn test_tag_transp_full_builds_full_transport_section_with_all_child_tags() {
        let xml = tag(
            "transp",
            &[],
            TagContent::Children(vec![
                tag("modFrete", &[], "0".into()),
                tag(
                    "transporta",
                    &[],
                    TagContent::Children(vec![
                        tag("CNPJ", &[], "12345678000195".into()),
                        tag("xNome", &[], "Transportadora ABC".into()),
                        tag("IE", &[], "111222333444".into()),
                        tag("xEnder", &[], "Rua do Transporte, 500".into()),
                        tag("xMun", &[], "Campinas".into()),
                        tag("UF", &[], "SP".into()),
                    ]),
                ),
                tag(
                    "veicTransp",
                    &[],
                    TagContent::Children(vec![
                        tag("placa", &[], "ABC1D23".into()),
                        tag("UF", &[], "SP".into()),
                        tag("RNTC", &[], "12345678".into()),
                    ]),
                ),
                tag(
                    "reboque",
                    &[],
                    TagContent::Children(vec![
                        tag("placa", &[], "XYZ9F87".into()),
                        tag("UF", &[], "SP".into()),
                        tag("RNTC", &[], "87654321".into()),
                    ]),
                ),
                tag(
                    "vol",
                    &[],
                    TagContent::Children(vec![
                        tag("qVol", &[], "10".into()),
                        tag("esp", &[], "CAIXA".into()),
                        tag("marca", &[], "MARCA X".into()),
                        tag("nVol", &[], "001".into()),
                        tag("pesoL", &[], "100.500".into()),
                        tag("pesoB", &[], "120.300".into()),
                        tag(
                            "lacres",
                            &[],
                            TagContent::Children(vec![tag("nLacre", &[], "LACRE001".into())]),
                        ),
                        tag(
                            "lacres",
                            &[],
                            TagContent::Children(vec![tag("nLacre", &[], "LACRE002".into())]),
                        ),
                    ]),
                ),
            ]),
        );

        expect_xml_contains(
            &xml,
            &[
                ("modFrete", "0"),
                ("placa", "ABC1D23"),
                ("RNTC", "12345678"),
                ("qVol", "10"),
                ("esp", "CAIXA"),
                ("marca", "MARCA X"),
                ("nVol", "001"),
                ("pesoL", "100.500"),
                ("pesoB", "120.300"),
            ],
        );
        assert!(xml.contains("<transporta>"));
        assert!(xml.contains("<veicTransp>"));
        assert!(xml.contains("<reboque>"));
        assert!(xml.contains("<vol>"));
        assert!(xml.contains("<lacres>"));
        assert!(xml.contains("<nLacre>LACRE001</nLacre>"));
        assert!(xml.contains("<nLacre>LACRE002</nLacre>"));
    }
}

// ═══════════════════════════════════════════════════════════════════════════
//  TraitTagDet: prod with optional fields, taginfAdProd, tagObsItem
// ═══════════════════════════════════════════════════════════════════════════

mod trait_tag_det_prod {
    use super::*;

    #[test]
    fn test_tag_prod_with_all_optional_fields() {
        let xml = tag(
            "prod",
            &[],
            TagContent::Children(vec![
                tag("cProd", &[], "001".into()),
                tag("cEAN", &[], "7891234567890".into()),
                tag("xProd", &[], "Produto Completo".into()),
                tag("NCM", &[], "61091000".into()),
                tag("CEST", &[], "2806300".into()),
                tag("indEscala", &[], "S".into()),
                tag("CNPJFab", &[], "12345678000195".into()),
                tag("CFOP", &[], "5102".into()),
                tag("uCom", &[], "UN".into()),
                tag("qCom", &[], "5.0000".into()),
                tag("vUnCom", &[], "20.0000000000".into()),
                tag("vProd", &[], "100.00".into()),
                tag("cEANTrib", &[], "7891234567890".into()),
                tag("uTrib", &[], "UN".into()),
                tag("qTrib", &[], "5.0000".into()),
                tag("vUnTrib", &[], "20.0000000000".into()),
                tag("vFrete", &[], "10.00".into()),
                tag("vSeg", &[], "5.00".into()),
                tag("vDesc", &[], "3.00".into()),
                tag("vOutro", &[], "2.00".into()),
                tag("indTot", &[], "1".into()),
                tag("xPed", &[], "PED-12345".into()),
                tag("nItemPed", &[], "001".into()),
            ]),
        );

        expect_xml_contains(
            &xml,
            &[
                ("cEAN", "7891234567890"),
                ("CEST", "2806300"),
                ("indEscala", "S"),
                ("CNPJFab", "12345678000195"),
                ("vFrete", "10.00"),
                ("vSeg", "5.00"),
                ("vDesc", "3.00"),
                ("vOutro", "2.00"),
                ("xPed", "PED-12345"),
                ("nItemPed", "001"),
            ],
        );
    }

    #[test]
    fn test_tag_prod_full_render_with_inf_ad_prod_and_obs_item() {
        let mut item = make_base_item();
        item.description = "Produto Completo".into();
        item.inf_ad_prod = Some("Informacao adicional do produto item 1".into());
        item.obs_item =
            Some(ObsItemData::new().obs_cont(ObsField::new("CampoTeste", "ValorTeste")));

        let built = make_base_builder().items(vec![item]).build().unwrap();

        let xml = built.xml();

        // infAdProd should be inside det, after imposto
        assert!(xml.contains("<infAdProd>Informacao adicional do produto item 1</infAdProd>"));
        let imposto_end_pos = xml.find("</imposto>").unwrap();
        let inf_ad_prod_pos = xml.find("<infAdProd>").unwrap();
        let det_end_pos = xml.find("</det>").unwrap();
        assert!(inf_ad_prod_pos > imposto_end_pos);
        assert!(inf_ad_prod_pos < det_end_pos);

        // obsItem should be inside det
        assert!(xml.contains("<obsItem>"));
        assert!(xml.contains("xCampo=\"CampoTeste\""));
        assert!(xml.contains("<xTexto>ValorTeste</xTexto>"));
    }
}

// ═══════════════════════════════════════════════════════════════════════════
//  TraitTagDetOptions: batch tracking, vehicles, medicine, weapons
// ═══════════════════════════════════════════════════════════════════════════

mod trait_tag_det_options {
    use super::*;

    #[test]
    fn test_tag_rastro_batch_tracking() {
        let mut item = make_base_item();
        item.rastro = Some(vec![
            RastroData::new("LOTE2025A", 100.0, "2025-01-15", "2026-01-15").c_agreg("AGR001"),
            RastroData::new("LOTE2025B", 50.0, "2025-02-10", "2026-02-10"),
        ]);

        let built = make_base_builder().items(vec![item]).build().unwrap();

        let xml = built.xml();

        // rastro should be inside <prod>
        assert!(xml.contains("<rastro>"));
        let prod_pos = xml.find("<prod>").unwrap();
        let rastro_pos = xml.find("<rastro>").unwrap();
        let prod_end_pos = xml.find("</prod>").unwrap();
        assert!(rastro_pos > prod_pos);
        assert!(rastro_pos < prod_end_pos);

        expect_xml_contains(
            xml,
            &[
                ("nLote", "LOTE2025A"),
                ("qLote", "100.000"),
                ("dFab", "2025-01-15"),
                ("dVal", "2026-01-15"),
                ("cAgreg", "AGR001"),
            ],
        );
        // Second rastro
        assert!(xml.contains("<nLote>LOTE2025B</nLote>"));
        // Count rastro occurrences
        let count = xml.matches("<rastro>").count();
        assert_eq!(count, 2);
    }

    #[test]
    fn test_tag_veic_prod_vehicle() {
        let mut item = make_base_item();
        item.veic_prod = Some(VeicProdData::new(
            "1",
            "9BWSU19F08B302158",
            "1",
            "BRANCA",
            "150",
            "1600",
            "1200",
            "1350",
            "AAA111222",
            "16",
            "MOT12345",
            "1800.0000",
            "2600",
            "2025",
            "2024",
            "M",
            "06",
            "1",
            "R",
            "1",
            "123456",
            "01",
            "5",
            "0",
        ));

        let built = make_base_builder().items(vec![item]).build().unwrap();

        let xml = built.xml();

        // veicProd should be inside <prod>
        assert!(xml.contains("<veicProd>"));
        let prod_pos = xml.find("<prod>").unwrap();
        let veic_pos = xml.find("<veicProd>").unwrap();
        let prod_end_pos = xml.find("</prod>").unwrap();
        assert!(veic_pos > prod_pos);
        assert!(veic_pos < prod_end_pos);

        expect_xml_contains(
            xml,
            &[
                ("chassi", "9BWSU19F08B302158"),
                ("xCor", "BRANCA"),
                ("pot", "150"),
                ("nMotor", "MOT12345"),
                ("anoMod", "2025"),
                ("anoFab", "2024"),
                ("tpRest", "0"),
            ],
        );
    }

    #[test]
    fn test_tag_med_medicine() {
        let mut item = make_base_item();
        item.med = Some(MedData::new(Cents(4990)).c_prod_anvisa("1234567890123"));

        let built = make_base_builder().items(vec![item]).build().unwrap();

        let xml = built.xml();

        // med should be inside <prod>
        assert!(xml.contains("<med>"));
        let prod_pos = xml.find("<prod>").unwrap();
        let med_pos = xml.find("<med>").unwrap();
        let prod_end_pos = xml.find("</prod>").unwrap();
        assert!(med_pos > prod_pos);
        assert!(med_pos < prod_end_pos);

        expect_xml_contains(xml, &[("cProdANVISA", "1234567890123"), ("vPMC", "49.90")]);
    }

    #[test]
    fn test_tag_arma_weapon() {
        let mut item = make_base_item();
        item.arma = Some(vec![ArmaData::new(
            "0",
            "SR12345",
            "CN67890",
            "REVOLVER CALIBRE 38",
        )]);

        let built = make_base_builder().items(vec![item]).build().unwrap();

        let xml = built.xml();

        // arma should be inside <prod>
        assert!(xml.contains("<arma>"));
        let prod_pos = xml.find("<prod>").unwrap();
        let arma_pos = xml.find("<arma>").unwrap();
        let prod_end_pos = xml.find("</prod>").unwrap();
        assert!(arma_pos > prod_pos);
        assert!(arma_pos < prod_end_pos);

        expect_xml_contains(
            xml,
            &[
                ("tpArma", "0"),
                ("nSerie", "SR12345"),
                ("nCano", "CN67890"),
                ("descr", "REVOLVER CALIBRE 38"),
            ],
        );
    }

    #[test]
    fn test_tag_recopi_render_includes_nrecopi() {
        let mut item = make_base_item();
        item.n_recopi = Some("20250101120000123456".into());

        let built = make_base_builder().items(vec![item]).build().unwrap();

        let xml = built.xml();

        // nRECOPI should be inside <prod>
        assert!(xml.contains("<nRECOPI>20250101120000123456</nRECOPI>"));
        let prod_pos = xml.find("<prod>").unwrap();
        let recopi_pos = xml.find("<nRECOPI>").unwrap();
        let prod_end_pos = xml.find("</prod>").unwrap();
        assert!(recopi_pos > prod_pos);
        assert!(recopi_pos < prod_end_pos);
    }

    #[test]
    fn test_tag_recopi_empty_should_not_render_tag() {
        let mut item = make_base_item();
        item.n_recopi = Some(String::new());

        let built = make_base_builder().items(vec![item]).build().unwrap();

        let xml = built.xml();

        // Empty nRECOPI should not produce the tag (falsy check)
        assert!(!xml.contains("<nRECOPI>"));
    }

    #[test]
    fn test_tag_dfe_referenciado() {
        let mut item = make_base_item();
        item.dfe_referenciado = Some(
            DFeReferenciadoData::new("35170358716523000119550010000000291000000291").n_item("1"),
        );

        let built = make_base_builder().items(vec![item]).build().unwrap();

        let xml = built.xml();

        // DFeReferenciado should be inside <det>, after imposto
        assert!(xml.contains("<DFeReferenciado>"));
        let imposto_end_pos = xml.find("</imposto>").unwrap();
        let dfe_ref_pos = xml.find("<DFeReferenciado>").unwrap();
        let det_end_pos = xml.find("</det>").unwrap();
        assert!(dfe_ref_pos > imposto_end_pos);
        assert!(dfe_ref_pos < det_end_pos);

        expect_xml_contains(
            xml,
            &[
                (
                    "chaveAcesso",
                    "35170358716523000119550010000000291000000291",
                ),
                ("nItem", "1"),
            ],
        );
    }
}

// ═══════════════════════════════════════════════════════════════════════════
//  TraitTagRefs: NF-e reference tags in ide
// ═══════════════════════════════════════════════════════════════════════════

mod trait_tag_refs {
    use super::*;

    #[test]
    fn test_tag_ref_nfe_in_ide() {
        let xml = tag(
            "ide",
            &[],
            TagContent::Children(vec![
                tag("cUF", &[], "35".into()),
                tag(
                    "NFref",
                    &[],
                    TagContent::Children(vec![tag(
                        "refNFe",
                        &[],
                        "35170358716523000119550010000000291000000291".into(),
                    )]),
                ),
            ]),
        );

        assert!(xml.contains("<NFref>"));
        assert!(xml.contains("<refNFe>35170358716523000119550010000000291000000291</refNFe>"));
        // NFref should be inside ide
        let ide_pos = xml.find("<ide>").unwrap();
        let nfref_pos = xml.find("<NFref>").unwrap();
        let ide_end_pos = xml.find("</ide>").unwrap();
        assert!(nfref_pos > ide_pos);
        assert!(nfref_pos < ide_end_pos);
    }

    #[test]
    fn test_tag_ref_nf_in_ide() {
        let xml = tag(
            "NFref",
            &[],
            TagContent::Children(vec![tag(
                "refNF",
                &[],
                TagContent::Children(vec![
                    tag("cUF", &[], "35".into()),
                    tag("AAMM", &[], "1703".into()),
                    tag("CNPJ", &[], "58716523000119".into()),
                    tag("mod", &[], "01".into()),
                    tag("serie", &[], "1".into()),
                    tag("nNF", &[], "100".into()),
                ]),
            )]),
        );

        assert!(xml.contains("<NFref>"));
        assert!(xml.contains("<refNF>"));
        expect_xml_contains(&xml, &[("AAMM", "1703"), ("mod", "01")]);
    }

    #[test]
    fn test_tag_ref_nfp_with_cnpj_in_ide() {
        let xml = tag(
            "NFref",
            &[],
            TagContent::Children(vec![tag(
                "refNFP",
                &[],
                TagContent::Children(vec![
                    tag("cUF", &[], "35".into()),
                    tag("AAMM", &[], "1703".into()),
                    tag("CNPJ", &[], "58716523000119".into()),
                    tag("IE", &[], "123456789012".into()),
                    tag("mod", &[], "04".into()),
                    tag("serie", &[], "1".into()),
                    tag("nNF", &[], "50".into()),
                ]),
            )]),
        );

        assert!(xml.contains("<refNFP>"));
        expect_xml_contains(
            &xml,
            &[
                ("CNPJ", "58716523000119"),
                ("IE", "123456789012"),
                ("mod", "04"),
            ],
        );
    }

    #[test]
    fn test_tag_ref_nfp_with_cpf_in_ide() {
        let xml = tag(
            "NFref",
            &[],
            TagContent::Children(vec![tag(
                "refNFP",
                &[],
                TagContent::Children(vec![
                    tag("cUF", &[], "35".into()),
                    tag("AAMM", &[], "1703".into()),
                    tag("CPF", &[], "12345678901".into()),
                    tag("IE", &[], "ISENTO".into()),
                    tag("mod", &[], "04".into()),
                    tag("serie", &[], "0".into()),
                    tag("nNF", &[], "10".into()),
                ]),
            )]),
        );

        assert!(xml.contains("<refNFP>"));
        expect_xml_contains(&xml, &[("CPF", "12345678901"), ("IE", "ISENTO")]);
    }

    #[test]
    fn test_tag_ref_cte_in_ide() {
        let xml = tag(
            "NFref",
            &[],
            TagContent::Children(vec![tag(
                "refCTe",
                &[],
                "35170358716523000119570010000000011000000014".into(),
            )]),
        );

        assert!(xml.contains("<NFref>"));
        assert!(xml.contains("<refCTe>35170358716523000119570010000000011000000014</refCTe>"));
    }

    #[test]
    fn test_tag_ref_ecf_in_ide() {
        let xml = tag(
            "NFref",
            &[],
            TagContent::Children(vec![tag(
                "refECF",
                &[],
                TagContent::Children(vec![
                    tag("mod", &[], "2D".into()),
                    tag("nECF", &[], "123".into()),
                    tag("nCOO", &[], "456789".into()),
                ]),
            )]),
        );

        assert!(xml.contains("<refECF>"));
        expect_xml_contains(&xml, &[("mod", "2D"), ("nECF", "123"), ("nCOO", "456789")]);
    }

    #[test]
    fn test_multiple_refs_in_ide() {
        let xml = tag(
            "ide",
            &[],
            TagContent::Children(vec![
                tag(
                    "NFref",
                    &[],
                    TagContent::Children(vec![tag(
                        "refNFe",
                        &[],
                        "35170358716523000119550010000000291000000291".into(),
                    )]),
                ),
                tag(
                    "NFref",
                    &[],
                    TagContent::Children(vec![tag(
                        "refCTe",
                        &[],
                        "35170358716523000119570010000000011000000014".into(),
                    )]),
                ),
            ]),
        );

        assert!(xml.contains("<refNFe>"));
        assert!(xml.contains("<refCTe>"));
        // Count NFref occurrences
        let count = xml.matches("<NFref>").count();
        assert_eq!(count, 2);
    }

    #[test]
    fn test_tag_ref_nfe_sig_in_ide() {
        let xml = tag(
            "ide",
            &[],
            TagContent::Children(vec![
                tag("cUF", &[], "35".into()),
                tag(
                    "NFref",
                    &[],
                    TagContent::Children(vec![tag(
                        "refNFeSig",
                        &[],
                        "35170358716523000119550010000000291000000291".into(),
                    )]),
                ),
            ]),
        );

        assert!(xml.contains("<NFref>"));
        assert!(
            xml.contains("<refNFeSig>35170358716523000119550010000000291000000291</refNFeSig>")
        );
        // refNFeSig should be inside ide
        let ide_pos = xml.find("<ide>").unwrap();
        let nfref_pos = xml.find("<NFref>").unwrap();
        let ide_end_pos = xml.find("</ide>").unwrap();
        assert!(nfref_pos > ide_pos);
        assert!(nfref_pos < ide_end_pos);
    }
}

// ═══════════════════════════════════════════════════════════════════════════
//  TraitTagPag: payment with change and card details
// ═══════════════════════════════════════════════════════════════════════════

mod trait_tag_pag {
    use super::*;

    #[test]
    fn test_tag_pag_with_vtroco_and_card_details() {
        let xml = tag(
            "pag",
            &[],
            TagContent::Children(vec![
                tag(
                    "detPag",
                    &[],
                    TagContent::Children(vec![
                        tag("tPag", &[], "03".into()),
                        tag("vPag", &[], "150.00".into()),
                        tag(
                            "card",
                            &[],
                            TagContent::Children(vec![
                                tag("tpIntegra", &[], "1".into()),
                                tag("CNPJ", &[], "12345678000195".into()),
                                tag("tBand", &[], "01".into()),
                                tag("cAut", &[], "AUTH123456".into()),
                            ]),
                        ),
                    ]),
                ),
                tag("vTroco", &[], "50.00".into()),
            ]),
        );

        assert!(xml.contains("<pag>"));
        assert!(xml.contains("<vTroco>50.00</vTroco>"));
        assert!(xml.contains("<detPag>"));
        expect_xml_contains(
            &xml,
            &[
                ("tPag", "03"),
                ("vPag", "150.00"),
                ("tpIntegra", "1"),
                ("tBand", "01"),
                ("cAut", "AUTH123456"),
            ],
        );
        assert!(xml.contains("<card>"));

        // vTroco must come AFTER detPag
        let det_pag_pos = xml.find("<detPag>").unwrap();
        let v_troco_pos = xml.find("<vTroco>").unwrap();
        assert!(v_troco_pos > det_pag_pos);
    }

    #[test]
    fn test_tag_pag_multiple_payments() {
        let xml = tag(
            "pag",
            &[],
            TagContent::Children(vec![
                tag(
                    "detPag",
                    &[],
                    TagContent::Children(vec![
                        tag("tPag", &[], "01".into()),
                        tag("vPag", &[], "100.00".into()),
                    ]),
                ),
                tag(
                    "detPag",
                    &[],
                    TagContent::Children(vec![
                        tag("tPag", &[], "03".into()),
                        tag("vPag", &[], "50.00".into()),
                    ]),
                ),
            ]),
        );

        let count = xml.matches("<detPag>").count();
        assert_eq!(count, 2);
        assert!(xml.contains("<tPag>01</tPag>"));
        assert!(xml.contains("<tPag>03</tPag>"));
    }
}

// ═══════════════════════════════════════════════════════════════════════════
//  TraitCalculations: totals from multiple items
// ═══════════════════════════════════════════════════════════════════════════

mod trait_calculations {
    use super::*;

    #[test]
    fn test_calculations_totals_from_multiple_items() {
        let mut item1 = make_base_item();
        item1.item_number = 1;
        item1.product_code = "001".into();
        item1.description = "Produto A".into();
        item1.quantity = 2.0;
        item1.unit_price = Cents(10000);
        item1.total_price = Cents(20000);
        item1.icms_amount = Cents(3600);
        item1.pis_v_bc = Some(Cents(20000));
        item1.pis_p_pis = Some(Rate4(16500));
        item1.pis_v_pis = Some(Cents(330));
        item1.cofins_v_bc = Some(Cents(20000));
        item1.cofins_p_cofins = Some(Rate4(76000));
        item1.cofins_v_cofins = Some(Cents(1520));

        let mut item2 = make_base_item();
        item2.item_number = 2;
        item2.product_code = "002".into();
        item2.description = "Produto B".into();
        item2.quantity = 3.0;
        item2.unit_price = Cents(10000);
        item2.total_price = Cents(30000);
        item2.icms_amount = Cents(5400);
        item2.pis_v_bc = Some(Cents(30000));
        item2.pis_p_pis = Some(Rate4(16500));
        item2.pis_v_pis = Some(Cents(495));
        item2.cofins_v_bc = Some(Cents(30000));
        item2.cofins_p_cofins = Some(Rate4(76000));
        item2.cofins_v_cofins = Some(Cents(2280));

        let built = make_base_builder()
            .items(vec![item1, item2])
            .payments(vec![PaymentData::new("01", Cents(50000))])
            .build()
            .unwrap();

        let xml = built.xml();

        // vProd should be sum of item totals: 20000 + 30000 = 50000 cents = 500.00
        assert!(xml.contains("<vProd>500.00</vProd>"));
        // vNF should equal vProd for simple case
        assert!(xml.contains("<vNF>500.00</vNF>"));
        // ICMS totals: 3600 + 5400 = 9000 cents = 90.00
        assert!(xml.contains("<vICMS>90.00</vICMS>"));
    }

    #[test]
    fn test_calculations_with_different_tax_values() {
        let mut item = make_base_item();
        item.description = "Produto Unico".into();
        item.quantity = 1.0;
        item.unit_price = Cents(26400);
        item.total_price = Cents(26400);
        item.icms_amount = Cents(4752);
        item.pis_v_bc = Some(Cents(26400));
        item.pis_p_pis = Some(Rate4(16500));
        item.pis_v_pis = Some(Cents(436));
        item.cofins_v_bc = Some(Cents(26400));
        item.cofins_p_cofins = Some(Rate4(76000));
        item.cofins_v_cofins = Some(Cents(2006));

        let built = make_base_builder()
            .invoice_number(2)
            .items(vec![item])
            .payments(vec![PaymentData::new("01", Cents(26400))])
            .build()
            .unwrap();

        let xml = built.xml();

        // vNF = vProd = 26400 cents = 264.00
        assert!(xml.contains("<vNF>264.00</vNF>"));
        assert!(xml.contains("<vProd>264.00</vProd>"));
        // PIS = 4.36, COFINS = 20.06
        assert!(xml.contains("<vPIS>4.36</vPIS>"));
        assert!(xml.contains("<vCOFINS>20.06</vCOFINS>"));
    }
}

// ═══════════════════════════════════════════════════════════════════════════
//  TraitTagCobr: billing section
// ═══════════════════════════════════════════════════════════════════════════

mod trait_tag_cobr {
    use super::*;

    #[test]
    fn test_tag_cobr_builds_cobr_with_fat_and_dup() {
        let xml = tag(
            "cobr",
            &[],
            TagContent::Children(vec![
                tag(
                    "fat",
                    &[],
                    TagContent::Children(vec![
                        tag("nFat", &[], "001".into()),
                        tag("vOrig", &[], "100.00".into()),
                        tag("vDesc", &[], "0.00".into()),
                        tag("vLiq", &[], "100.00".into()),
                    ]),
                ),
                tag(
                    "dup",
                    &[],
                    TagContent::Children(vec![
                        tag("nDup", &[], "001".into()),
                        tag("dVenc", &[], "2017-04-03".into()),
                        tag("vDup", &[], "100.00".into()),
                    ]),
                ),
            ]),
        );

        assert!(xml.contains("<cobr>"));
        assert!(xml.contains("<fat>"));
        expect_xml_contains(
            &xml,
            &[
                ("nFat", "001"),
                ("nDup", "001"),
                ("dVenc", "2017-04-03"),
                ("vDup", "100.00"),
            ],
        );
    }
}