using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;

namespace radiuscontroller.Models;

[Table("radcheck")]
public class RadCheck
{
    [Key]
    [Column("id")]
    public int Id { get; set; }

    [Required]
    [Column("username")]
    [StringLength(64)]
    public string Username { get; set; } = string.Empty;

    [Required]
    [Column("attribute")]
    [StringLength(64)]
    public string Attribute { get; set; } = string.Empty;

    [Required]
    [Column("op")]
    [StringLength(2)]
    public string Op { get; set; } = ":=";

    [Required]
    [Column("value")]
    [StringLength(253)]
    public string Value { get; set; } = string.Empty;
}

[Table("radreply")]
public class RadReply
{
    [Key]
    [Column("id")]
    public int Id { get; set; }

    [Required]
    [Column("username")]
    [StringLength(64)]
    public string Username { get; set; } = string.Empty;

    [Required]
    [Column("attribute")]
    [StringLength(64)]
    public string Attribute { get; set; } = string.Empty;

    [Required]
    [Column("op")]
    [StringLength(2)]
    public string Op { get; set; } = "=";

    [Required]
    [Column("value")]
    [StringLength(253)]
    public string Value { get; set; } = string.Empty;
}

[Table("radacct")]
public class RadAcct
{
    [Key]
    [Column("radacctid")]
    public long RadAcctId { get; set; }

    [Column("acctsessionid")]
    public string AcctSessionId { get; set; } = string.Empty;

    [Column("acctuniqueid")]
    public string AcctUniqueId { get; set; } = string.Empty;

    [Column("username")]
    public string Username { get; set; } = string.Empty;

    [Column("realm")]
    public string? Realm { get; set; }

    [Column("nasipaddress")]
    public string NasIpAddress { get; set; } = string.Empty;

    [Column("nasportid")]
    public string? NasPortId { get; set; }

    [Column("nasporttype")]
    public string? NasPortType { get; set; }

    [Column("acctstarttime")]
    public DateTime? AcctStartTime { get; set; }

    [Column("acctupdatetime")]
    public DateTime? AcctUpdateTime { get; set; }

    [Column("acctstoptime")]
    public DateTime? AcctStopTime { get; set; }

    [Column("acctinterval")]
    public int? AcctInterval { get; set; }

    [Column("acctsessiontime")]
    public long? AcctSessionTime { get; set; }

    [Column("acctauthentic")]
    public string? AcctAuthentic { get; set; }

    [Column("connectinfo_in")]
    public string? ConnectInfoIn { get; set; }

    [Column("connectinfo_out")]
    public string? ConnectInfoOut { get; set; }

    [Column("acctinputoctets")]
    public long? AcctInputOctets { get; set; }

    [Column("acctoutputoctets")]
    public long? AcctOutputOctets { get; set; }

    [Column("calledstationid")]
    public string? CalledStationId { get; set; }

    [Column("callingstationid")]
    public string? CallingStationId { get; set; }

    [Column("acctterminatecause")]
    public string? AcctTerminateCause { get; set; }

    [Column("servicetype")]
    public string? ServiceType { get; set; }

    [Column("framedprotocol")]
    public string? FramedProtocol { get; set; }

    [Column("framedipaddress")]
    public string? FramedIpAddress { get; set; }
}

[Table("guest_profiles")]
public class GuestProfile
{
    [Key]
    [Column("id")]
    public int Id { get; set; }

    [Required]
    [Column("guest_name")]
    public string GuestName { get; set; } = string.Empty;

    [Required]
    [Column("username")]
    public string Username { get; set; } = string.Empty;

    [Column("created_at")]
    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;

    [Column("session_time_minutes")]
    public int SessionTimeMinutes { get; set; }

    [Column("data_limit_mb")]
    public long DataLimitMb { get; set; }

    [Column("status")]
    public string Status { get; set; } = "Active";
}

[Table("admin_users")]
public class AdminUser
{
    [Key]
    [Column("id")]
    public int Id { get; set; }

    [Required]
    [Column("username")]
    public string Username { get; set; } = string.Empty;

    [Required]
    [Column("password_hash")]
    public string PasswordHash { get; set; } = string.Empty;

    [Column("created_at")]
    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
}

[Table("system_settings")]
public class SystemSetting
{
    [Key]
    [Column("key")]
    public string Key { get; set; } = string.Empty;

    [Required]
    [Column("value")]
    public string Value { get; set; } = string.Empty;

    [Column("updated_at")]
    public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
}

// DTOs
public class UserUsageDto
{
    public int ProfileId { get; set; }
    public string GuestName { get; set; } = string.Empty;
    public string Username { get; set; } = string.Empty;
    public string Password { get; set; } = string.Empty;
    public DateTime CreatedAt { get; set; }
    public int SessionTimeMinutes { get; set; }
    public long DataLimitMb { get; set; }
    public string Status { get; set; } = "Active";

    public long TotalInputOctets { get; set; } // Upload
    public long TotalOutputOctets { get; set; } // Download
    public long TotalOctets => TotalInputOctets + TotalOutputOctets;
    public double UsedDataMb => Math.Round((double)TotalOctets / (1024 * 1024), 2);
    public long TotalSessionTimeSeconds { get; set; }
    public bool IsCurrentlyConnected { get; set; }
}

public class RegistrationResultDto
{
    public string GuestName { get; set; } = string.Empty;
    public string Username { get; set; } = string.Empty;
    public string Password { get; set; } = string.Empty;
    public int SessionTimeMinutes { get; set; }
    public long DataLimitMb { get; set; }
    public DateTime ExpirationEstimate { get; set; }
}

public class SystemConfigDto
{
    public int DefaultSessionTimeMinutes { get; set; } = 60;
    public long DefaultDataLimitMb { get; set; } = 500;
}