using Bit.Seeder.Data.Enums;
using Bit.Seeder.Options;
using CommandDotNet;

namespace Bit.DbSeederUtility;

/// <summary>
/// CLI argument model for the vault-organization command.
/// Maps to <see cref="OrganizationVaultOptions"/> for the Seeder library.
/// </summary>
public class VaultOrganizationArgs : IArgumentModel
{
    [Option('n', "name", Description = "Name of organization")]
    public string Name { get; set; } = null!;

    [Option('u', "users", Description = "Number of users to generate (minimum 1)")]
    public int Users { get; set; }

    [Option('d', "domain", Description = "Email domain for users")]
    public string Domain { get; set; } = null!;

    [Option('c', "ciphers", Description = "Number of login ciphers to create (minimum 1)")]
    public int Ciphers { get; set; }

    [Option('g', "groups", Description = "Number of groups to create (minimum 1)")]
    public int Groups { get; set; }

    [Option('m', "mix-user-statuses", Description = "Use realistic status mix (85% confirmed, 5% each invited/accepted/revoked). Requires >= 10 users.")]
    public bool MixStatuses { get; set; } = true;

    [Option('o', "org-structure", Description = "Org structure for collections: Traditional, Spotify, or Modern")]
    public string? Structure { get; set; }

    [Option('r', "region", Description = "Geographic region for names: NorthAmerica, Europe, AsiaPacific, LatinAmerica, MiddleEast, Africa, or Global")]
    public string? Region { get; set; }

    public void Validate()
    {
        if (Users < 1)
        {
            throw new ArgumentException("Users must be at least 1. Use another command for orgs without users.");
        }

        if (Ciphers < 1)
        {
            throw new ArgumentException("Ciphers must be at least 1. Use another command for orgs without vault data.");
        }

        if (Groups < 1)
        {
            throw new ArgumentException("Groups must be at least 1. Use another command for orgs without groups.");
        }

        if (!string.IsNullOrEmpty(Structure))
        {
            ParseOrgStructure(Structure);
        }

        if (!string.IsNullOrEmpty(Region))
        {
            ParseGeographicRegion(Region);
        }
    }

    public OrganizationVaultOptions ToOptions() => new()
    {
        Name = Name,
        Domain = Domain,
        Users = Users,
        Ciphers = Ciphers,
        Groups = Groups,
        RealisticStatusMix = MixStatuses,
        StructureModel = ParseOrgStructure(Structure),
        Region = ParseGeographicRegion(Region)
    };

    private static OrgStructureModel? ParseOrgStructure(string? structure)
    {
        if (string.IsNullOrEmpty(structure))
        {
            return null;
        }

        return structure.ToLowerInvariant() switch
        {
            "traditional" => OrgStructureModel.Traditional,
            "spotify" => OrgStructureModel.Spotify,
            "modern" => OrgStructureModel.Modern,
            _ => throw new ArgumentException($"Unknown structure '{structure}'. Use: Traditional, Spotify, or Modern")
        };
    }

    private static GeographicRegion? ParseGeographicRegion(string? region)
    {
        if (string.IsNullOrEmpty(region))
        {
            return null;
        }

        return region.ToLowerInvariant() switch
        {
            "northamerica" => GeographicRegion.NorthAmerica,
            "europe" => GeographicRegion.Europe,
            "asiapacific" => GeographicRegion.AsiaPacific,
            "latinamerica" => GeographicRegion.LatinAmerica,
            "middleeast" => GeographicRegion.MiddleEast,
            "africa" => GeographicRegion.Africa,
            "global" => GeographicRegion.Global,
            _ => throw new ArgumentException($"Unknown region '{region}'. Use: NorthAmerica, Europe, AsiaPacific, LatinAmerica, MiddleEast, Africa, or Global")
        };
    }
}