const sfl = require('../lib/spec-from-lock.js')
const t = require('tap')
const cwd = process.cwd()
const dirname = require('path').dirname(cwd)

const normalizePath = path => path.replace(/[A-Z]:/, '').replace(/\\/g, '/')
const isHGIFn = (key, val) =>
  typeof val === 'function' &&
  (/template$/.test(key) || ['extract', 'hashformat'].includes(key))

const normalizePaths = obj => {
  for (const key in obj) {
    if (['where', 'fetchSpec', 'saveSpec'].includes(key) && obj[key]) {
      obj[key] = normalizePath(obj[key])
    } else if (isHGIFn(key, obj[key])) {
      obj[key] = `function ${key}`
    } else if (typeof obj[key] === 'object' && obj[key] !== null) {
      obj[key] = normalizePaths(obj[key])
    }
  }
  return obj
}

t.formatSnapshot = obj => normalizePaths(obj)
t.cleanSnapshot = s => s
  .split(/\s+"pathmatch": .*/g).join('\n{pathmatch regexp},')
  .split(normalizePath(cwd)).join('{CWD}')
  .split(normalizePath(dirname)).join('{..}')

t.matchSnapshot(sfl('x', {
  version: '1.2.3',
  integrity: 'integral',
}), 'version and integrity')

t.matchSnapshot(sfl('gitthing', {
  version: 'git+ssh://git@github.com/isaacs/abbrev-js#a9ee72ebc8fe3975f1b0c7aeb3a8f2a806a432eb',
  from: 'github:isaacs/abbrev-js#some-ref',
}), 'git repo with resolved value')

t.matchSnapshot(sfl('legacy', {
  from: '1.2.3',
}), 'legacy metadata with "from" and no integrity')

t.matchSnapshot(sfl('x', {
  version: 'foo.tgz',
  integrity: 'integral',
}), 'version (file) and integrity set')

t.matchSnapshot(sfl('x', {
  version: '1.2.3',
  from: '^1.2.0',
  shasum: 'deadbeef0cafebad',
  resolved: 'https://registry.npmjs.org/x/-/x-1.2.3.tgz',
}), 'version and range, no integrity')

t.matchSnapshot(sfl('x', {
  version: 'file:x-1.2.3.tgz',
  from: 'x-1.2.3.tgz',
}), 'file with from, no integrity')

t.matchSnapshot(sfl('x', {
  version: 'file:x-1.2.3.tgz',
  resolved: '/path/to/x-1.2.3.tgz',
}), 'file with resolved, no integrity')

t.matchSnapshot(sfl('x', {
  version: 'file:x-1.2.3.tgz',
  from: 'file:x-1.2.3.tgz',
  resolved: '/path/to/x-1.2.3.tgz',
}), 'file with resolved and from')

t.matchSnapshot(sfl('x', {
  version: 'file:../some/path',
}), 'directory symlink')

t.matchSnapshot(sfl('really bad and invalid', {
  version: 'url:// not even close to a ! valid @ npm @ specifier',
  resolved: 'this: is: also: not: valid!',
}), 'completely invalid, return empty object')