package projects

import (
	"strings"

	"github.com/lithammer/fuzzysearch/fuzzy"
)

// Performs a fuzzy find on the input string, returning the closest
// matched based on its Levenshtein distance, along with an integer
// indicating number of matches found
func (c *Cache) FuzzyFindAlias(name string) []*ProjectAlias {
	ranks := fuzzy.RankFindFold(name, c.AliasStrings())
	if ranks.Len() == 1 {
		c.log.Debug("Fuzzy found alias result",
			c.log.Args(
				"searchTerm", ranks[0].Source,
				"foundAlias", ranks[0].Target,
				"levenshteinDistance", ranks[0].Distance,
			))
	} else if ranks.Len() > 1 {
		found := make([]string, ranks.Len())
		for i, r := range ranks {
			found[i] = r.Target
		}
		c.log.Warn("Fuzzy found multiple aliases, try being more specific",
			c.log.Args("foundAliases", strings.Join(found, ", ")))
	}
	var aliases []*ProjectAlias
	if ranks.Len() > 0 {
		aliases = make([]*ProjectAlias, ranks.Len())
		for i, r := range ranks {
			aliases[i] = c.GetAliasByName(r.Target)
		}
	}
	return aliases
}