import { execSync } from 'child_process'
import os from 'os'

type ExecError = {
  status: number
  stdout: string
}

let ENV_VAR =
  'DATA_DIR=tests/__data__/input/data STREAMS_DIR=tests/__data__/input/playlist_validate'
if (os.platform() === 'win32') {
  ENV_VAR =
    'SET "DATA_DIR=tests/__data__/input/data" && SET "STREAMS_DIR=tests/__data__/input/playlist_validate" &&'
}

describe('playlist:validate', () => {
  it('show an error if channel id in the blocklist', () => {
    const cmd = `${ENV_VAR} npm run playlist:validate -- us_blocked.m3u`
    try {
      const stdout = execSync(cmd, { encoding: 'utf8' })
      if (process.env.DEBUG === 'true') console.log(cmd, stdout)
      checkStdout(stdout)
    } catch (error) {
      // NOTE: for Windows only
      if (process.env.DEBUG === 'true') console.log(cmd, error)
      checkStdout((error as ExecError).stdout)
    }
  })

  it('show a warning if channel has wrong id', () => {
    const cmd = `${ENV_VAR} npm run playlist:validate -- wrong_id.m3u`
    const stdout = execSync(cmd, { encoding: 'utf8' })
    if (process.env.DEBUG === 'true') console.log(cmd, stdout)

    expect(stdout).toContain(
      'wrong_id.m3u\n 2     warning  "qib22lAq1L.us" is not in the database\n\n1 problems (0 errors, 1 warnings)\n'
    )
  })
})

function checkStdout(stdout: string) {
  expect(stdout).toContain(`us_blocked.m3u
 2     error    "FoxSports2.us" is on the blocklist due to claims of copyright holders (https://github.com/iptv-org/iptv/issues/0002)
 4     error    "TVN.pl" is on the blocklist due to NSFW content (https://github.com/iptv-org/iptv/issues/0003)

2 problems (2 errors, 0 warnings)`)
}