using Omika.Core.Compatibility;
using Omika.Core.Domain.Entities.Clients;
using Omika.Core.Domain.ValueObjects;
using Omika.Data.Mapping.Common;
using OmikaModels = Omika.Data.HfSql.Models.Omika;
using OmikaMappers = Omika.Data.Mapping.Omika;

namespace Omika.Tests.Mapping;

/// <summary>
/// Tests unitaires du mapper Omika → canonique des contacts (table Personne).
/// Aucune base réelle, aucun HFSQL : uniquement des objets en mémoire.
/// </summary>
public class OmikaContactMapperTests
{
    // ---- 1. Contact Omika minimal --------------------------------------------------

    [Fact]
    public void ContactOmika_Minimal_MapsWithoutExceptionAndKeepsNoFabricatedValue()
    {
        var row = new OmikaModels.PersonneRow { PEPKID = 1 };

        CanonicalMappingResult<Contact> result = OmikaMappers.OmikaContactMapper.Map(row);

        Assert.Equal(DatabaseSchemaVersion.Omika, result.SourceVersion);
        Assert.NotNull(result.Value);
        Assert.Null(result.Value.Nom);
        Assert.Null(result.Value.Prenom);
        Assert.Null(result.Value.Civilite);
        Assert.Empty(result.Value.Roles);
        Assert.Null(result.Value.Coordonnees);
        Assert.False(result.Value.EstArchive);
        Assert.NotNull(result.Value.SourceReference);
        Assert.Equal(DatabaseSchemaVersion.Omika, result.Value.SourceReference!.Source);
        Assert.Equal(1, result.Value.SourceReference!.NumericId);
        Assert.Null(result.Value.SourceReference!.EntityGuid);
        Assert.Empty(result.Warnings);
    }

    // ---- 2. Contact Omika complet --------------------------------------------------

    [Fact]
    public void ContactOmika_Full_MapsAllCanonicalProperties()
    {
        var row = new OmikaModels.PersonneRow
        {
            PEPKID = 42,
            GUID = "550e8400-e29b-41d4-a716-446655440000",
            PECleCivilite = "MR",
            PEIDCivilite = 2,
            PENom = "Dupont",
            PEPrenom = "Jean",
            PECleRole = "R_CP",
            PEIDRole = 3,
            PETelFixe = "0472000000",
            PETelMobile = "0600000000",
            PEEmail = "jean.dupont@ville-lyon.fr",
            PEFax = "0472000001",
            PEIDClient = 10,
            PEIDAdressePrincipale = 20,
            PENote = "Contact principal",
            PEActif = true,
            PEUsageInterne = false,
            PEInfoSupp = "Disponible en journée",
            Archive = true,
            PEIDImport = "IMP-O-42"
        };

        var referenceRows = new Dictionary<string, OmikaModels.ParametreMetierRow>
        {
            ["MR"] = new() { PAPKID = 2, PACLE = "MR", PALibelle = "M.", PACategorie = "CIV" },
            ["R_CP"] = new() { PAPKID = 3, PACLE = "R_CP", PALibelle = "Contact principal", PACategorie = "ROLE" }
        };

        CanonicalMappingResult<Contact> result = OmikaMappers.OmikaContactMapper.Map(row, referenceRows);

        Contact contact = result.Value;
        Assert.Equal("M.", contact.Civilite!.Label);
        Assert.Equal("MR", contact.Civilite!.Key);
        Assert.Equal(2, contact.Civilite!.LegacyId);
        Assert.Equal("Dupont", contact.Nom);
        Assert.Equal("Jean", contact.Prenom);
        Assert.Equal("Jean Dupont", contact.NomAffiche);

        Assert.Single(contact.Roles);
        Assert.Equal("Contact principal", contact.Roles[0].Label);
        Assert.Equal("R_CP", contact.Roles[0].Key);
        Assert.Equal(3, contact.Roles[0].LegacyId);

        Assert.Equal("jean.dupont@ville-lyon.fr", contact.Coordonnees!.Email);
        Assert.Equal("0472000000", contact.Coordonnees!.Phone);
        Assert.Equal("0600000000", contact.Coordonnees!.Mobile);
        Assert.Equal("0472000001", contact.Coordonnees!.Fax);

        Assert.True(contact.Actif);
        Assert.True(contact.EstArchive);
        Assert.Equal("Disponible en journée", contact.InformationsSupplementaires);

        Assert.Equal(42, contact.SourceReference!.NumericId);
        Assert.Equal("IMP-O-42", contact.SourceReference!.ImportId);
        Assert.Equal(DatabaseSchemaVersion.Omika, contact.SourceReference!.Source);
        Assert.NotNull(contact.SourceReference!.EntityGuid);
    }

    // ---- 3. GUID valide avec tirets -------------------------------------------------

    [Fact]
    public void ContactOmika_ValidGuidWithDashes_IsKeptInEntityGuid()
    {
        var row = new OmikaModels.PersonneRow
        {
            PEPKID = 7,
            GUID = "550e8400-e29b-41d4-a716-446655440000",
            PENom = "Dupont"
        };

        CanonicalMappingResult<Contact> result = OmikaMappers.OmikaContactMapper.Map(row);

        Assert.NotNull(result.Value.SourceReference!.EntityGuid);
        Assert.Equal(
            "550e8400-e29b-41d4-a716-446655440000",
            result.Value.SourceReference!.EntityGuid!.Value.ToString("D"));
        Assert.Equal("550e8400-e29b-41d4-a716-446655440000", result.Value.SourceReference!.PhysicalGuid);
        Assert.Empty(result.Warnings);
    }

    // ---- 4. GUID valide sans tirets -------------------------------------------------

    [Fact]
    public void ContactOmika_ValidGuidWithoutDashes_IsParsedByTryParse()
    {
        var row = new OmikaModels.PersonneRow
        {
            PEPKID = 8,
            GUID = "550e8400e29b41d4a716446655440000"
        };

        CanonicalMappingResult<Contact> result = OmikaMappers.OmikaContactMapper.Map(row);

        Assert.NotNull(result.Value.SourceReference!.EntityGuid);
        Assert.Equal(
            "550e8400-e29b-41d4-a716-446655440000",
            result.Value.SourceReference!.EntityGuid!.Value.ToString("D"));
        Assert.Empty(result.Warnings);
    }

    // ---- 5. GUID invalide -----------------------------------------------------------

    [Fact]
    public void ContactOmika_InvalidGuid_ProducesNullGuidAndWarningWithoutException()
    {
        var row = new OmikaModels.PersonneRow
        {
            PEPKID = 9,
            GUID = "not-a-guid",
            PENom = "Société inconnue"
        };

        CanonicalMappingResult<Contact> result = OmikaMappers.OmikaContactMapper.Map(row);

        Assert.Null(result.Value.SourceReference!.EntityGuid);
        Assert.Equal("not-a-guid", result.Value.SourceReference!.PhysicalGuid);
        Assert.Contains(result.Warnings, w => w.StartsWith(MappingWarningCodes.InvalidPhysicalGuid, StringComparison.Ordinal));
        Assert.Equal("Société inconnue", result.Value.Nom);
    }

    // ---- 6. Coordonnées entièrement nulles -------------------------------------------

    [Fact]
    public void ContactOmika_EmptyCoordinates_ProducesNullCoordonnees()
    {
        var row = new OmikaModels.PersonneRow
        {
            PEPKID = 5,
            PENom = "Martin",
            PEEmail = "   ",
            PETelFixe = "",
            PETelMobile = null,
            PEFax = "\t"
        };

        CanonicalMappingResult<Contact> result = OmikaMappers.OmikaContactMapper.Map(row);

        Assert.Null(result.Value.Coordonnees);
        Assert.Equal("Martin", result.Value.Nom);
    }

    // ---- 7. Coordonnées partielles ---------------------------------------------------

    [Fact]
    public void ContactOmika_PartialCoordinates_KeepsOnlyProvidedValues()
    {
        var row = new OmikaModels.PersonneRow
        {
            PEPKID = 6,
            PEEmail = "m@exemple.fr",
            PETelFixe = null,
            PETelMobile = "0600000000",
            PEFax = ""
        };

        CanonicalMappingResult<Contact> result = OmikaMappers.OmikaContactMapper.Map(row);

        Assert.NotNull(result.Value.Coordonnees);
        Assert.Equal("m@exemple.fr", result.Value.Coordonnees!.Email);
        Assert.Null(result.Value.Coordonnees!.Phone);
        Assert.Equal("0600000000", result.Value.Coordonnees!.Mobile);
        Assert.Null(result.Value.Coordonnees!.Fax);
    }

    // ---- 8. Priorité de la clé métier sur l'ancien identifiant ------------------------

    [Fact]
    public void ContactOmika_BusinessKeyIsPreferredAndLegacyIdIsKeptAsCompatibility()
    {
        var referenceRows = new Dictionary<string, OmikaModels.ParametreMetierRow>
        {
            ["MR"] = new() { PAPKID = 50, PACLE = "MR", PALibelle = "M.", PACategorie = "CIV" }
        };

        var row = new OmikaModels.PersonneRow
        {
            PEPKID = 13,
            PECleCivilite = "MR",
            PEIDCivilite = 99 // zombie : ancien identifiant
        };

        CanonicalMappingResult<Contact> result = OmikaMappers.OmikaContactMapper.Map(row, referenceRows);

        Assert.Equal("MR", result.Value.Civilite!.Key);
        Assert.Equal("M.", result.Value.Civilite!.Label);
        Assert.Equal(99, result.Value.Civilite!.LegacyId);
        Assert.Empty(result.Warnings);
    }

    // ---- 9. Conservation de l'identifiant numérique historique -------------------------

    [Fact]
    public void ContactOmika_NumericIdentifier_IsPreserved()
    {
        var row = new OmikaModels.PersonneRow { PEPKID = 1234 };

        CanonicalMappingResult<Contact> result = OmikaMappers.OmikaContactMapper.Map(row);

        Assert.NotNull(result.Value.SourceReference);
        Assert.Equal(DatabaseSchemaVersion.Omika, result.Value.SourceReference!.Source);
        Assert.Equal(1234, result.Value.SourceReference!.NumericId);
    }

    // ---- 10. Conservation de l'identifiant d'import -------------------------------------

    [Fact]
    public void ContactOmika_ImportId_IsPreserved()
    {
        var row = new OmikaModels.PersonneRow { PEPKID = 5678, PEIDImport = "IMP-O" };

        CanonicalMappingResult<Contact> result = OmikaMappers.OmikaContactMapper.Map(row);

        Assert.Equal("IMP-O", result.Value.SourceReference!.ImportId);
        Assert.Equal(5678, result.Value.SourceReference!.NumericId);
    }

    // ---- 11. Absence de GUID fabriqué -----------------------------------------------------

    [Fact]
    public void ContactOmika_WithoutGuid_ProducesNoFabricatedGuid()
    {
        var row = new OmikaModels.PersonneRow { PEPKID = 11 };

        CanonicalMappingResult<Contact> result = OmikaMappers.OmikaContactMapper.Map(row);

        Assert.Null(result.Value.SourceReference!.EntityGuid);
        Assert.Null(result.Value.SourceReference!.PhysicalGuid);
        Assert.Empty(result.Warnings);
    }

    // ---- 12. Repli sur un champ zombie avec avertissement --------------------------------

    [Fact]
    public void ContactOmika_MissingBusinessKey_ExposesZombieLegacyIdWithWarning()
    {
        var row = new OmikaModels.PersonneRow
        {
            PEPKID = 14,
            PECleCivilite = null, // rubrique active absente
            PEIDCivilite = 77     // ancien identifiant (zombie)
        };

        CanonicalMappingResult<Contact> result = OmikaMappers.OmikaContactMapper.Map(row);

        Assert.NotNull(result.Value.Civilite);
        Assert.Equal(77, result.Value.Civilite!.LegacyId);
        Assert.Null(result.Value.Civilite!.Key);
        Assert.Contains(result.Warnings, w => w.StartsWith(MappingWarningCodes.ZombieFieldUsedAsFallback, StringComparison.Ordinal));
    }

    // ---- 13. Référentiel non résolu ---------------------------------------------------------

    [Fact]
    public void ContactOmika_UnresolvedBusinessKey_KeepsKeyAndLegacyIdAndWarns()
    {
        var row = new OmikaModels.PersonneRow
        {
            PEPKID = 15,
            PECleCivilite = "MR",
            PEIDCivilite = 77
        };

        CanonicalMappingResult<Contact> result = OmikaMappers.OmikaContactMapper.Map(row);

        Assert.NotNull(result.Value.Civilite);
        Assert.Equal("MR", result.Value.Civilite!.Key);
        Assert.Equal(77, result.Value.Civilite!.LegacyId);
        Assert.Equal(string.Empty, result.Value.Civilite!.Label);
        Assert.Contains(result.Warnings, w => w.Contains(MappingWarningCodes.UnresolvedReference, StringComparison.Ordinal));
    }

    [Fact]
    public void ContactOmika_ZeroCiviliteAndRole_ProducesNoReference()
    {
        var row = new OmikaModels.PersonneRow { PEPKID = 16, PEIDCivilite = 0, PEIDRole = 0 };

        CanonicalMappingResult<Contact> result = OmikaMappers.OmikaContactMapper.Map(row);

        Assert.Null(result.Value.Civilite);
        Assert.Empty(result.Value.Roles);
        Assert.Empty(result.Warnings);
    }

    // ---- 14. Chaînes vides sans exception -----------------------------------------------------

    [Fact]
    public void ContactOmika_EmptyOrNullStrings_NeverThrow()
    {
        var row = new OmikaModels.PersonneRow
        {
            PENom = "",
            PEPrenom = "  ",
            PEEmail = "",
            PETelFixe = null,
            PETelMobile = " ",
            PEFax = "",
            PENote = "",
            PEInfoSupp = " ",
            PEIDImport = "",
            GUID = null
        };

        CanonicalMappingResult<Contact> result = OmikaMappers.OmikaContactMapper.Map(row);

        Assert.NotNull(result.Value);
        Assert.Null(result.Value.Nom);
        Assert.Null(result.Value.Prenom);
        Assert.Null(result.Value.Coordonnees);
        Assert.Null(result.Value.InformationsSupplementaires);
        Assert.Empty(result.Warnings);
    }

    [Fact]
    public void ContactOmika_DefaultRow_NeverThrows()
    {
        var row = new OmikaModels.PersonneRow();

        CanonicalMappingResult<Contact> result = OmikaMappers.OmikaContactMapper.Map(row);

        Assert.NotNull(result.Value);
        Assert.Null(result.Value.SourceReference!.NumericId);
        Assert.False(result.Value.Actif);
        Assert.False(result.Value.EstArchive);
    }

    // ---- 15. Champs sans équivalent dans IgnoredFields ----------------------------------------

    [Fact]
    public void ContactOmika_FieldsWithoutCanonicalEquivalent_AreReportedAsIgnored()
    {
        var row = new OmikaModels.PersonneRow
        {
            PEPKID = 9,
            PEIDClient = 10,
            PEIDAdressePrincipale = 20,
            PENote = "note",
            PEUsageInterne = true,
            ModifDate = new DateTime(2024, 1, 1),
            CreationDate = new DateTime(2023, 1, 1),
            DateArchivage = new DateTime(2024, 6, 1)
        };

        CanonicalMappingResult<Contact> result = OmikaMappers.OmikaContactMapper.Map(row);

        Assert.Contains(result.IgnoredFields, f => f == "PE_IDClient");
        Assert.Contains(result.IgnoredFields, f => f == "PE_IDAdressePrincipale");
        Assert.Contains(result.IgnoredFields, f => f == "PE_Note");
        Assert.Contains(result.IgnoredFields, f => f == "PE_UsageInterne");
        Assert.Contains(result.IgnoredFields, f => f == "ModifDate");
        Assert.Contains(result.IgnoredFields, f => f == "CreationDate");
        Assert.Contains(result.IgnoredFields, f => f == "DateArchivage");
        Assert.Null(result.Value.ClientId);
        Assert.Empty(result.Value.SiteIds);
    }

    // ---- 16. Absence de noms physiques HFSQL dans le domaine canonique -------------------------

    [Fact]
    public void ContactOmika_CanonicalDomain_DoesNotExposeHfSqlNames()
    {
        var row = new OmikaModels.PersonneRow
        {
            PEPKID = 40,
            GUID = "550e8400-e29b-41d4-a716-446655440000",
            PECleCivilite = "MR",
            PEIDCivilite = 2,
            PENom = "Dupont",
            PEPrenom = "Jean",
            PECleRole = "R_CP",
            PEIDRole = 3,
            PEEmail = "j@exemple.fr",
            PETelFixe = "01",
            PETelMobile = "06",
            PEFax = "02",
            PEIDClient = 10,
            PEIDAdressePrincipale = 20,
            PENote = "note",
            PEActif = true,
            PEUsageInterne = true,
            PEInfoSupp = "info",
            Archive = false,
            PEIDImport = "IMP-40"
        };

        var referenceRows = new Dictionary<string, OmikaModels.ParametreMetierRow>
        {
            ["MR"] = new() { PAPKID = 2, PACLE = "MR", PALibelle = "M.", PACategorie = "CIV" },
            ["R_CP"] = new() { PAPKID = 3, PACLE = "R_CP", PALibelle = "Rôle", PACategorie = "ROLE" }
        };

        CanonicalMappingResult<Contact> result = OmikaMappers.OmikaContactMapper.Map(row, referenceRows);
        Contact contact = result.Value;

        string[] forbidden =
        [
            "PE_", "CL_", "AD_", "PA_", "PKID", "HfSql", "HFSQL", "GUID"
        ];

        AssertHasNoPhysicalNames(contact, forbidden);

        if (contact.Coordonnees is not null)
        {
            AssertHasNoPhysicalNames(contact.Coordonnees, forbidden);
        }

        if (contact.SourceReference is not null)
        {
            AssertHasNoPhysicalNames(contact.SourceReference, forbidden);
        }
    }

    // ---- Helper ---------------------------------------------------------------------

    private static void AssertHasNoPhysicalNames(object value, string[] forbidden)
    {
        foreach (var property in value.GetType().GetProperties())
        {
            Assert.DoesNotContain(forbidden, f => property.Name.Contains(f, StringComparison.Ordinal));
        }
    }
}