namespace MeetingAssistant.Workflow;

public enum WorkflowRulesEditorChatRole
{
    User,
    Agent
}

public sealed record WorkflowRulesEditorChatMessage(
    WorkflowRulesEditorChatRole Role,
    string Content);

public enum WorkflowRulesEditorConversationItemKind
{
    Message,
    Activity
}

public sealed record WorkflowRulesEditorConversationItem(
    WorkflowRulesEditorConversationItemKind Kind,
    WorkflowRulesEditorChatMessage? Message,
    string Content,
    IReadOnlyList<string>? ActivityLines = null)
{
    public bool IsExpanded { get; set; }

    public static WorkflowRulesEditorConversationItem ChatMessage(WorkflowRulesEditorChatMessage message)
    {
        return new WorkflowRulesEditorConversationItem(
            WorkflowRulesEditorConversationItemKind.Message,
            message,
            message.Content);
    }

    public static WorkflowRulesEditorConversationItem Activity(string content, IReadOnlyList<string> activityLines)
    {
        return new WorkflowRulesEditorConversationItem(
            WorkflowRulesEditorConversationItemKind.Activity,
            null,
            content,
            activityLines);
    }
}

public sealed record WorkflowRulesEditorChatResult(string Response);

public enum WorkflowRulesEditorActivityKind
{
    Status,
    ToolCall,
    Thinking
}

public sealed record WorkflowRulesEditorActivityUpdate(
    WorkflowRulesEditorActivityKind Kind,
    string Text)
{
    public static WorkflowRulesEditorActivityUpdate Status(string text)
    {
        return new WorkflowRulesEditorActivityUpdate(WorkflowRulesEditorActivityKind.Status, text);
    }

    public static WorkflowRulesEditorActivityUpdate ToolCall(string toolName)
    {
        return new WorkflowRulesEditorActivityUpdate(WorkflowRulesEditorActivityKind.ToolCall, toolName);
    }

    public static WorkflowRulesEditorActivityUpdate Thinking(string text)
    {
        return new WorkflowRulesEditorActivityUpdate(WorkflowRulesEditorActivityKind.Thinking, text);
    }
}

public interface IWorkflowRulesEditorChatPipeline
{
    Task<WorkflowRulesEditorChatResult> SendAsync(
        IReadOnlyList<WorkflowRulesEditorChatMessage> conversation,
        string userMessage,
        CancellationToken cancellationToken,
        Action<WorkflowRulesEditorActivityUpdate>? activityChanged = null);
}