export interface EmailRequest {
  id: number;
  recipient: string;
  email: string;
  status: string;
  createdAt: string;
  updatedAt: string;
}

export interface CreateEmailRequestDto {
  email: string;
  status?: string;
}

export interface UpdateEmailRequestDto {
  email?: string;
  status?: string;
}

const API_BASE = process.env.NEXT_PUBLIC_API_BASE_URL || '';

export async function fetchEmailRequests(token: string): Promise<EmailRequest[]> {
  const response = await fetch(`${API_BASE}/api/email`, {
    headers: {
      Authorization: `Bearer ${token}`,
    },
  });
  
  if (!response.ok) {
    throw new Error(`Failed to fetch email requests: ${response.statusText}`);
  }
  
  return response.json();
}

export async function createEmailRequest(token: string, data: CreateEmailRequestDto): Promise<EmailRequest> {
  const response = await fetch(`${API_BASE}/api/email`, {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      Authorization: `Bearer ${token}`,
    },
    body: JSON.stringify(data),
  });
  
  if (!response.ok) {
    throw new Error(`Failed to create email request: ${response.statusText}`);
  }
  
  return response.json();
}

export async function updateEmailRequest(token: string, id: number, data: UpdateEmailRequestDto): Promise<EmailRequest> {
  const response = await fetch(`${API_BASE}/api/email/${id}`, {
    method: 'PUT',
    headers: {
      'Content-Type': 'application/json',
      Authorization: `Bearer ${token}`,
    },
    body: JSON.stringify(data),
  });
  
  if (!response.ok) {
    throw new Error(`Failed to update email request: ${response.statusText}`);
  }
  
  return response.json();
}

export async function deleteEmailRequest(token: string, id: number): Promise<void> {
  const response = await fetch(`${API_BASE}/api/email/${id}`, {
    method: 'DELETE',
    headers: {
      Authorization: `Bearer ${token}`,
    },
  });
  
  if (!response.ok) {
    throw new Error(`Failed to delete email request: ${response.statusText}`);
  }
}