import baseIsEqual from './baseIsEqual.js'
import get from '../get.js'
import hasIn from '../hasIn.js'
import isKey from './isKey.js'
import isStrictComparable from './isStrictComparable.js'
import matchesStrictComparable from './matchesStrictComparable.js'
import toKey from './toKey.js'

/** Used to compose bitmasks for value comparisons. */
const COMPARE_PARTIAL_FLAG = 1
const COMPARE_UNORDERED_FLAG = 2

/**
 * The base implementation of `matchesProperty` which doesn't clone `srcValue`.
 *
 * @private
 * @param {string} path The path of the property to get.
 * @param {*} srcValue The value to match.
 * @returns {Function} Returns the new spec function.
 */
function baseMatchesProperty(path, srcValue) {
  if (isKey(path) && isStrictComparable(srcValue)) {
    return matchesStrictComparable(toKey(path), srcValue)
  }
  return (object) => {
    const objValue = get(object, path)
    return (objValue === undefined && objValue === srcValue)
      ? hasIn(object, path)
      : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG)
  }
}

export default baseMatchesProperty