using IM.Domain.Entities.Conversation;
using IM.Domain.Entities.ConversationParticipant;
using IM.Domain.Enums;

namespace BuildFlow.IM.Tests;

/// <summary>
/// 测试数据工厂。集中处理 IFullAudit 实体的审计字段填充（InMemory 无 AuditInterceptor 自动补值）。
/// </summary>
internal static class ImTestData
{
    private const string SystemUser = "system";
    private const string LocalIp = "127.0.0.1";

    /// <summary>构造一个带参与者的会话，审计字段已补齐。</summary>
    internal static ConversationEntity BuildConversation(
        Guid id,
        ConversationTypeEnum type,
        params (Guid UserId, int UnreadCount)[] participants)
    {
        var now = DateTime.UtcNow;
        var conv = new ConversationEntity
        {
            Id = id,
            Type = type,
            CreatedBy = SystemUser,
            CreatedAt = now,
            UpdatedBy = SystemUser,
            UpdatedAt = now,
            OperatorIP = LocalIp,
        };

        foreach (var (userId, unread) in participants)
        {
            conv.Participants.Add(new ConversationParticipantEntity
            {
                ConversationId = id,
                UserId = userId,
                UnreadCount = unread,
                JoinedAt = now,
                CreatedBy = SystemUser,
                CreatedAt = now,
                UpdatedBy = SystemUser,
                UpdatedAt = now,
            });
        }

        return conv;
    }
}