import axios from 'axios';

const api = axios.create({
  baseURL: '/api/v1',
  headers: {
    'Content-Type': 'application/json',
  },
});

// Types
export interface Scan {
  id: number;
  origin: string;
  country: string;
  start_date: string;
  end_date: string;
  status: 'pending' | 'running' | 'completed' | 'failed';
  created_at: string;
  updated_at: string;
  total_routes: number;
  routes_scanned: number;
  total_flights: number;
  error_message?: string;
  seat_class: string;
  adults: number;
}

export interface Route {
  id: number;
  scan_id: number;
  destination: string;
  destination_name: string;
  destination_city?: string;
  flight_count: number;
  airlines: string[];
  min_price?: number;
  max_price?: number;
  avg_price?: number;
  created_at: string;
}

export interface Flight {
  id: number;
  scan_id: number;
  destination: string;
  date: string;
  airline?: string;
  departure_time?: string;
  arrival_time?: string;
  price?: number;
  stops: number;
}

export interface Airport {
  iata: string;
  name: string;
  city: string;
  country: string;
}

export interface LogEntry {
  timestamp: string;
  level: string;
  message: string;
  module?: string;
  function?: string;
  line?: number;
}

export interface PaginatedResponse<T> {
  data: T[];
  pagination: {
    page: number;
    limit: number;
    total: number;
    pages: number;
    has_next: boolean;
    has_prev: boolean;
  };
}

export interface CreateScanRequest {
  origin: string;
  country?: string;  // Optional: provide either country or destinations
  destinations?: string[];  // Optional: provide either country or destinations
  start_date?: string;
  end_date?: string;
  window_months?: number;
  seat_class?: 'economy' | 'premium' | 'business' | 'first';
  adults?: number;
}

export interface CreateScanResponse {
  status: string;
  id: number;
  scan: Scan;
}

// API functions
export const scanApi = {
  list: (page = 1, limit = 20, status?: string) => {
    const params: any = { page, limit };
    if (status) params.status = status;
    return api.get<PaginatedResponse<Scan>>('/scans', { params });
  },

  get: (id: number) => {
    return api.get<Scan>(`/scans/${id}`);
  },

  create: (data: CreateScanRequest) => {
    return api.post<CreateScanResponse>('/scans', data);
  },

  getRoutes: (id: number, page = 1, limit = 20) => {
    return api.get<PaginatedResponse<Route>>(`/scans/${id}/routes`, {
      params: { page, limit }
    });
  },

  getFlights: (id: number, destination?: string, page = 1, limit = 50) => {
    const params: Record<string, unknown> = { page, limit };
    if (destination) params.destination = destination;
    return api.get<PaginatedResponse<Flight>>(`/scans/${id}/flights`, { params });
  },

  delete: (id: number) => api.delete(`/scans/${id}`),
};

export const airportApi = {
  search: (query: string, page = 1, limit = 20) => {
    return api.get<PaginatedResponse<Airport>>('/airports', {
      params: { q: query, page, limit }
    });
  },
};

export const logApi = {
  list: (page = 1, limit = 50, level?: string, search?: string) => {
    const params: any = { page, limit };
    if (level) params.level = level;
    if (search) params.search = search;
    return api.get<PaginatedResponse<LogEntry>>('/logs', { params });
  },
};

export default api;