import { httpClient } from './base/http-client';
import { Task, TaskStatus, TaskPriority, TaskStats } from '@/lib/types';

export interface TaskFilters {
  status?: TaskStatus[];
  source?: string[];
  search?: string;
  limit?: number;
  offset?: number;
}

export interface TasksResponse {
  success: boolean;
  data: Task[];
  stats: TaskStats;
  count: number;
}

export interface CreateTaskData {
  title: string;
  description?: string;
  status?: TaskStatus;
  priority?: TaskPriority;
  tags?: string[];
  dueDate?: Date;
}

export interface UpdateTaskData {
  taskId: string;
  title?: string;
  description?: string;
  status?: TaskStatus;
  priority?: TaskPriority;
  tags?: string[];
  dueDate?: Date;
}

/**
 * Client pour la gestion des tâches
 */
export class TasksClient {
  
  /**
   * Récupère toutes les tâches avec filtres
   */
  async getTasks(filters?: TaskFilters): Promise<TasksResponse> {
    const params: Record<string, string> = {};
    
    if (filters?.status) {
      params.status = filters.status.join(',');
    }
    if (filters?.source) {
      params.source = filters.source.join(',');
    }
    if (filters?.search) {
      params.search = filters.search;
    }
    if (filters?.limit) {
      params.limit = filters.limit.toString();
    }
    if (filters?.offset) {
      params.offset = filters.offset.toString();
    }

    return httpClient.get<TasksResponse>('/tasks', params);
  }

  /**
   * Crée une nouvelle tâche
   */
  async createTask(data: CreateTaskData): Promise<{ success: boolean; data: Task; message: string }> {
    const payload = {
      ...data,
      dueDate: data.dueDate?.toISOString()
    };

    return httpClient.post('/tasks', payload);
  }

  /**
   * Met à jour une tâche
   */
  async updateTask(data: UpdateTaskData): Promise<{ success: boolean; data: Task; message: string }> {
    const payload = {
      ...data,
      dueDate: data.dueDate?.toISOString()
    };

    return httpClient.patch('/tasks', payload);
  }

  /**
   * Supprime une tâche
   */
  async deleteTask(taskId: string): Promise<{ success: boolean; message: string }> {
    return httpClient.delete('/tasks', { taskId });
  }

  /**
   * Met à jour le statut d'une tâche
   */
  async updateTaskStatus(taskId: string, status: TaskStatus): Promise<{ success: boolean; data: Task; message: string }> {
    return this.updateTask({ taskId, status });
  }
}

// Instance singleton
export const tasksClient = new TasksClient();