using System.Text.Json.Serialization;

namespace NetworkTool.Client.Models;

public sealed class RemoteInterfaceAddressConfig
{
    [JsonPropertyName("ip")]
    public string IP { get; init; } = string.Empty;

    [JsonPropertyName("prefix")]
    public int Prefix { get; init; }
}

public sealed class RemoteInterfaceRouteConfig
{
    [JsonPropertyName("to")]
    public string To { get; init; } = string.Empty;

    [JsonPropertyName("via")]
    public string Via { get; init; } = string.Empty;
}

public sealed class RemoteInterfaceConfig
{
    [JsonPropertyName("interface")]
    public string Interface { get; init; } = string.Empty;

    [JsonPropertyName("dhcp4")]
    public bool Dhcp4 { get; init; }

    [JsonPropertyName("addresses")]
    public IReadOnlyList<RemoteInterfaceAddressConfig> Addresses { get; init; } = [];

    [JsonPropertyName("routes")]
    public IReadOnlyList<RemoteInterfaceRouteConfig> Routes { get; init; } = [];

    [JsonPropertyName("dns")]
    public IReadOnlyList<string> Dns { get; init; } = [];

    [JsonPropertyName("ip")]
    public string IP { get; init; } = string.Empty;

    [JsonPropertyName("prefix")]
    public int Prefix { get; init; }

    [JsonPropertyName("gateway")]
    public string Gateway { get; init; } = string.Empty;

    [JsonIgnore]
    public string DnsSummary => Dns is null || Dns.Count == 0 ? "无" : string.Join(Environment.NewLine, Dns);

    [JsonIgnore]
    public IReadOnlyList<RemoteInterfaceAddressConfig> EffectiveAddresses => Addresses.Count > 0
        ? Addresses
        : string.IsNullOrWhiteSpace(IP) ? [] : [new RemoteInterfaceAddressConfig { IP = IP, Prefix = Prefix }];

    [JsonIgnore]
    public IReadOnlyList<RemoteInterfaceRouteConfig> EffectiveRoutes => Routes.Count > 0
        ? Routes
        : string.IsNullOrWhiteSpace(Gateway) ? [] : [new RemoteInterfaceRouteConfig { To = "default", Via = Gateway }];
}

public sealed class RemoteInterfaceConfigsRequest
{
    [JsonPropertyName("configs")]
    public IReadOnlyList<RemoteInterfaceConfig> Configs { get; init; } = [];
}

public sealed class RemoteInterfaceConfigsResponse
{
    [JsonPropertyName("configs")]
    public IReadOnlyList<RemoteInterfaceConfig> Configs { get; init; } = [];

    [JsonPropertyName("errors")]
    public IReadOnlyList<RemoteInterfaceConfigError> Errors { get; init; } = [];
}

public sealed class RemoteInterfaceConfigError
{
    [JsonPropertyName("interface")]
    public string Interface { get; init; } = string.Empty;

    [JsonPropertyName("message")]
    public string Message { get; init; } = string.Empty;
}