namespace PowderCoating.Application.Interfaces;

public interface IAiHelpService
{
    /// <summary>
    /// Send a message to the AI help assistant and get a response.
    /// </summary>
    /// <param name="conversationHistory">Prior turns: alternating user/assistant messages.</param>
    /// <param name="userMessage">The current user message.</param>
    /// <param name="tenantContext">Read-only context about the current user and company.</param>
    Task<string> SendMessageAsync(
        List<AiHelpMessage> conversationHistory,
        string userMessage,
        string systemPrompt);
}

public record AiHelpMessage(string Role, string Content);

public record AiHelpTenantContext(
    string CompanyName,
    string UserRole,
    string UserName,
    string? SubscriptionPlan);