import axios, { AxiosInstance } from 'axios'
import { TransactionReceipt } from '@ethersproject/providers'
import { Policies, TxBatchInterface } from './types/app.interface'

export * from './types/app.interface'

export class App {
  private axiosInstance: AxiosInstance

  constructor(private apiKey: string, private baseURL: string) {
    this.axiosInstance = axios.create({
      baseURL: this.baseURL + '/application',
      headers: {
        apikey: this.apiKey,
      },
    })
  }

  balance = async (): Promise<{
    balance: string
    relayAddress: string
  }> => {
    const { balance, relayAddress } = (
      await this.axiosInstance.get('/balance')
    ).data
    return { balance, relayAddress }
  }

  createUser = async (): Promise<{ userAddress: string }> => {
    // todo: check if sufficient balance
    // call api
    const { userAddress } = (
      await this.axiosInstance.post('/users/create')
    ).data
    // return user address
    return { userAddress }
  }

  evaluateBatch = async (
    batch: TxBatchInterface,
  ): Promise<{ success: boolean }> => {
    // todo: check if sufficient balance
    // call api
    const { success } = (
      await this.axiosInstance.post('/transactions/evaluate', batch)
    ).data
    // return validity
    return { success }
  }

  sendBatch = async (batch: TxBatchInterface): Promise<TransactionReceipt> => {
    // todo: check if sufficient balance
    // call api
    const txReceipt = (
      await this.axiosInstance.post('/transactions/send', batch)
    ).data as TransactionReceipt
    // return validity
    return txReceipt
  }

  getPolicy = async (): Promise<{ policy: Policies }> => {
    // call api
    const { policy } = (await this.axiosInstance.get('/policy')).data
    // return validity
    return { policy }
  }

  updatePolicy = async (
    policy: Policies,
    signerAddress?: string,
  ): Promise<void> => {
    // call api
    await this.axiosInstance.post('/policy', {
      body: { policy, signerAddress },
    })
  }
}