import { findApp, FindAppParams } from './util'
import { Browser, DetectedBrowser } from '../types'
import * as linuxHelper from '../linux'
import { log } from '../log'
import { merge } from 'ramda'
import { get } from 'lodash'

type Detectors = {
  [name: string]: {
    [channel: string]: FindAppParams
  }
}

export const browsers: Detectors = {
  chrome: {
    stable: {
      appName: 'Google Chrome.app',
      executable: 'Contents/MacOS/Google Chrome',
      appId: 'com.google.Chrome',
      versionProperty: 'KSVersion',
    },
    canary: {
      appName: 'Google Chrome Canary.app',
      executable: 'Contents/MacOS/Google Chrome Canary',
      appId: 'com.google.Chrome.canary',
      versionProperty: 'KSVersion',
    },
  },
  chromium: {
    stable: {
      appName: 'Chromium.app',
      executable: 'Contents/MacOS/Chromium',
      appId: 'org.chromium.Chromium',
      versionProperty: 'CFBundleShortVersionString',
    },
  },
  firefox: {
    stable: {
      appName: 'Firefox.app',
      executable: 'Contents/MacOS/firefox-bin',
      appId: 'org.mozilla.firefox',
      versionProperty: 'CFBundleShortVersionString',
    },
    dev: {
      appName: 'Firefox Developer Edition.app',
      executable: 'Contents/MacOS/firefox-bin',
      appId: 'org.mozilla.firefoxdeveloperedition',
      versionProperty: 'CFBundleShortVersionString',
    },
    nightly: {
      appName: 'Firefox Nightly.app',
      executable: 'Contents/MacOS/firefox-bin',
      appId: 'org.mozilla.nightly',
      versionProperty: 'CFBundleShortVersionString',
    },
  },
  edge: {
    stable: {
      appName: 'Microsoft Edge.app',
      executable: 'Contents/MacOS/Microsoft Edge',
      appId: 'com.microsoft.Edge',
      versionProperty: 'CFBundleShortVersionString',
    },
    canary: {
      appName: 'Microsoft Edge Canary.app',
      executable: 'Contents/MacOS/Microsoft Edge Canary',
      appId: 'com.microsoft.Edge.Canary',
      versionProperty: 'CFBundleShortVersionString',
    },
    beta: {
      appName: 'Microsoft Edge Beta.app',
      executable: 'Contents/MacOS/Microsoft Edge Beta',
      appId: 'com.microsoft.Edge.Beta',
      versionProperty: 'CFBundleShortVersionString',
    },
    dev: {
      appName: 'Microsoft Edge Dev.app',
      executable: 'Contents/MacOS/Microsoft Edge Dev',
      appId: 'com.microsoft.Edge.Dev',
      versionProperty: 'CFBundleShortVersionString',
    },
  },
}

export const getVersionString = linuxHelper.getVersionString

export const getVersionNumber = linuxHelper.getVersionNumber

export const getPathData = linuxHelper.getPathData

export function detect (browser: Browser): Promise<DetectedBrowser> {
  let findAppParams = get(browsers, [browser.name, browser.channel])

  if (!findAppParams) {
    // ok, maybe it is custom alias?
    log('detecting custom browser %s on darwin', browser.name)

    return linuxHelper.detect(browser)
  }

  return findApp(findAppParams)
  .then(merge({ name: browser.name }))
  .catch(() => {
    log('could not detect %s using traditional Mac methods', browser.name)
    log('trying linux search')

    return linuxHelper.detect(browser)
  })
}