const { Key } = require('selenium-webdriver')
const { By } = require('selenium-webdriver/lib/by')
const { Page } = require('./Page.js')
const { homeRPC, foreignRPC } = require('../e2e-commons/constants.json')

const IDMetaMask = 'hccmbhdehlhjhkenmcjnbcahkmljpife'
const URL = 'chrome-extension://' + IDMetaMask + '//popup.html'
const buttonSubmit = By.className('confirm btn-green')
const buttonAccept = By.xpath('//*[@id="app-content"]/div/div[4]/div/button')
const agreement = By.xpath('//*[@id="app-content"]/div/div[4]/div/div/div/p[1]/strong')
const fieldNewPass = By.xpath('//*[@id="password-box"]')
const fieldConfirmPass = By.xpath('//*[@id="password-box-confirm"]')
const buttonCreate = By.xpath('//*[@id="app-content"]/div/div[4]/div/button')
const buttonIveCopied = By.xpath('//*[@id="app-content"]/div/div[4]/div/button[1]')
const popupNetwork = By.className('network-name')
const popupAccount = By.xpath('//*[@id="app-content"]/div/div[1]/div/div[2]/span/div')
const fieldPrivateKey = By.xpath('//*[@id="private-key-box"]')
const pass = 'qwerty12345'
const buttonImport = By.xpath('//*[@id="app-content"]/div/div[4]/div/div[3]/button')
const fieldNewRPCURL = By.id('new_rpc')
const buttonSave = By.xpath('//*[@id="app-content"]/div/div[4]/div/div[3]/div/div[2]/button')
const arrowBackRPCURL = By.xpath('//*[@id="app-content"]/div/div[4]/div/div[1]/i')
const iconChangeAccount = By.className('cursor-pointer color-orange accounts-selector')

let accountOrderNumber = 1
const networks = [0, 3, 43, 4, 8545]

class MetaMask extends Page {
  constructor(driver) {
    super(driver)
    this.driver = driver
    this.URL = URL
  }

  async clickButtonSubmitTransaction() {
    return this.clickWithWait(buttonSubmit)
  }

  async activate() {
    return (
      (await this.switchToNextPage()) &&
      (await this.open(this.URL)) === this.URL &&
      (await this.clickWithWait(buttonAccept)) &&
      (await this.clickWithWait(agreement)) &&
      (await this.clickKey(Key.TAB, 15)) &&
      (await this.clickWithWait(buttonAccept)) &&
      (await this.waitUntilLocated(fieldNewPass)) &&
      (await this.clickWithWait(fieldNewPass)) &&
      (await this.fillWithWait(fieldNewPass, pass)) &&
      (await this.fillWithWait(fieldConfirmPass, pass)) &&
      (await this.clickWithWait(buttonCreate)) &&
      (await this.waitUntilDisplayed(buttonIveCopied)) &&
      (await this.clickWithWait(buttonIveCopied)) &&
      (await this.switchToNextPage())
    )
  }

  async importAccount(user) {
    user.accountOrderInMetamask = accountOrderNumber - 1
    return (
      (await this.switchToNextPage()) &&
      (await this.setNetwork(user.networkID)) &&
      (await this.clickImportAccount()) &&
      (await this.fillWithWait(fieldPrivateKey, user.privateKey)) &&
      (await this.waitUntilDisplayed(buttonImport)) &&
      (await this.clickWithWait(buttonImport)) &&
      (await this.switchToNextPage())
    )
  }

  async selectAccount(user) {
    try {
      await this.switchToNextPage()
      await this.setNetwork(user.networkID)
      await super.clickWithWait(popupAccount)
      await this.driver.executeScript(
        "document.getElementsByClassName('dropdown-menu-item')[" + user.accountOrderInMetamask + '].click();'
      )
      await this.switchToNextPage()
      return true
    } catch (err) {
      return false
    }
  }

  async clickImportAccount() {
    try {
      await super.clickWithWait(popupAccount)
      await this.driver.executeScript(
        "document.getElementsByClassName('dropdown-menu-item')[" + (accountOrderNumber + 1) + '].click();'
      )
      accountOrderNumber++
      return true
    } catch (err) {
      return false
    }
  }

  async signTransaction(refreshCount) {
    await this.switchToNextPage()
    let counter = 5
    if (refreshCount !== undefined) counter = refreshCount
    do {
      await this.refresh()
      await super.waitUntilLocated(iconChangeAccount)
      if (await this.isElementDisplayed(buttonSubmit)) {
        return (await this.clickButtonSubmitTransaction()) && (await this.switchToNextPage())
      }
      await this.driver.sleep(3000)
    } while (counter-- >= 0)

    await this.switchToNextPage()
    return false
  }

  async setNetwork(provider) {
    try {
      await super.clickWithWait(popupNetwork)
      const orderNumber = networks.indexOf(provider)
      const script = "document.getElementsByClassName('dropdown-menu-item')[" + orderNumber + '].click();'
      if (orderNumber < 0) await this.addNetwork(provider)
      else await this.driver.executeScript(script)
      return true
    } catch (err) {
      return false
    }
  }

  async addNetwork(provider) {
    let url
    switch (provider) {
      case homeRPC.ID: {
        url = 'http://localhost:8541'
        networks.push(177)
        break
      }
      case foreignRPC.ID: {
        url = 'http://localhost:8542'
        networks.push(142)
        break
      }
      default: {
        throw new Error(`Unexcpected provider ${provider}`)
      }
    }
    const index = networks.length > 8 ? 8 : networks.length
    await this.driver.executeScript(
      "document.getElementsByClassName('dropdown-menu-item')[" + (index - 1) + '].click();'
    )
    return (
      (await super.fillWithWait(fieldNewRPCURL, url)) &&
      (await super.clickWithWait(buttonSave)) &&
      (await super.clickWithWait(arrowBackRPCURL))
    )
  }
}

module.exports = {
  MetaMask
}