using System.IO;
using System.Text.Json;
using System.Text.Json.Serialization;

namespace AxCopilot.Services.Agent;

internal static class TeamStore
{
    private const string TeamRelativePath = ".ax/team.json";

    internal sealed class Member
    {
        [JsonPropertyName("id")]
        public string Id { get; set; } = Guid.NewGuid().ToString("N");

        [JsonPropertyName("name")]
        public string Name { get; set; } = "";

        [JsonPropertyName("role")]
        public string Role { get; set; } = "worker";

        [JsonPropertyName("createdAt")]
        public DateTime CreatedAt { get; set; } = DateTime.Now;
    }

    internal static string GetPath(string root) => Path.Combine(root, TeamRelativePath);

    internal static List<Member> Load(string root)
    {
        var path = GetPath(root);
        if (!File.Exists(path))
            return [];
        try
        {
            var json = TextFileCodec.ReadAllText(path).Text;
            return JsonSerializer.Deserialize<List<Member>>(json) ?? [];
        }
        catch
        {
            return [];
        }
    }

    internal static void Save(string root, List<Member> members)
    {
        var path = GetPath(root);
        var dir = Path.GetDirectoryName(path);
        if (!string.IsNullOrWhiteSpace(dir) && !Directory.Exists(dir))
            Directory.CreateDirectory(dir);
        File.WriteAllText(path, JsonSerializer.Serialize(members, new JsonSerializerOptions { WriteIndented = true }), TextFileCodec.Utf8NoBom);
    }
}