import { api } from './client';
import type {
  Epic,
  CreateEpicDto,
  UpdateEpicDto,
  Story,
  CreateStoryDto,
  UpdateStoryDto,
  Task,
  CreateTaskDto,
  UpdateTaskDto,
  WorkItemStatus,
} from '@/types/project';

// ==================== Epics API ====================
export const epicsApi = {
  list: async (projectId?: string): Promise<Epic[]> => {
    const params = projectId ? { projectId } : undefined;
    return api.get('/api/v1/epics', { params });
  },

  get: async (id: string): Promise<Epic> => {
    return api.get(`/api/v1/epics/${id}`);
  },

  create: async (data: CreateEpicDto): Promise<Epic> => {
    return api.post('/api/v1/epics', data);
  },

  update: async (id: string, data: UpdateEpicDto): Promise<Epic> => {
    return api.put(`/api/v1/epics/${id}`, data);
  },

  delete: async (id: string): Promise<void> => {
    return api.delete(`/api/v1/epics/${id}`);
  },

  changeStatus: async (id: string, status: WorkItemStatus): Promise<Epic> => {
    return api.put(`/api/v1/epics/${id}/status`, { status });
  },

  assign: async (id: string, assigneeId: string): Promise<Epic> => {
    return api.put(`/api/v1/epics/${id}/assign`, { assigneeId });
  },
};

// ==================== Stories API ====================
export const storiesApi = {
  list: async (epicId?: string): Promise<Story[]> => {
    const params = epicId ? { epicId } : undefined;
    return api.get('/api/v1/stories', { params });
  },

  get: async (id: string): Promise<Story> => {
    return api.get(`/api/v1/stories/${id}`);
  },

  create: async (data: CreateStoryDto): Promise<Story> => {
    return api.post('/api/v1/stories', data);
  },

  update: async (id: string, data: UpdateStoryDto): Promise<Story> => {
    return api.put(`/api/v1/stories/${id}`, data);
  },

  delete: async (id: string): Promise<void> => {
    return api.delete(`/api/v1/stories/${id}`);
  },

  changeStatus: async (id: string, status: WorkItemStatus): Promise<Story> => {
    return api.put(`/api/v1/stories/${id}/status`, { status });
  },

  assign: async (id: string, assigneeId: string): Promise<Story> => {
    return api.put(`/api/v1/stories/${id}/assign`, { assigneeId });
  },
};

// ==================== Tasks API ====================
export const tasksApi = {
  list: async (storyId?: string): Promise<Task[]> => {
    const params = storyId ? { storyId } : undefined;
    return api.get('/api/v1/tasks', { params });
  },

  get: async (id: string): Promise<Task> => {
    return api.get(`/api/v1/tasks/${id}`);
  },

  create: async (data: CreateTaskDto): Promise<Task> => {
    return api.post('/api/v1/tasks', data);
  },

  update: async (id: string, data: UpdateTaskDto): Promise<Task> => {
    return api.put(`/api/v1/tasks/${id}`, data);
  },

  delete: async (id: string): Promise<void> => {
    return api.delete(`/api/v1/tasks/${id}`);
  },

  changeStatus: async (id: string, status: WorkItemStatus): Promise<Task> => {
    return api.put(`/api/v1/tasks/${id}/status`, { status });
  },

  assign: async (id: string, assigneeId: string): Promise<Task> => {
    return api.put(`/api/v1/tasks/${id}/assign`, { assigneeId });
  },
};