import axios, { AxiosError } from 'axios'

export interface MiniappCreatePaymentPayload {
  initData: string
  method: string
  amountKopeks?: number | null
  option?: string | null
}

export interface MiniappCreatePaymentResponse {
  payment_url: string
  amount_kopeks?: number
  extra?: Record<string, unknown>
}

export const miniappApi = {
  // Create payment inside Telegram Mini App (same flow as miniapp/index.html)
  createPayment: async (
    payload: MiniappCreatePaymentPayload
  ): Promise<MiniappCreatePaymentResponse> => {
    try {
      const response = await axios.post<MiniappCreatePaymentResponse>(
        '/miniapp/payments/create',
        {
          initData: payload.initData || '',
          method: payload.method,
          amountKopeks: payload.amountKopeks ?? null,
          option: payload.option ?? null,
        },
        {
          headers: { 'Content-Type': 'application/json' },
        }
      )
      return response.data
    } catch (error) {
      const axiosError = error as AxiosError<{ detail?: string; message?: string }>
      const message = axiosError.response?.data?.detail
        || axiosError.response?.data?.message
        || 'Failed to create payment'
      throw new Error(message)
    }
  },
}