package nstr

import (
	"path"
	"strings"
)

// SimpleMatch all sub-string in the give text string.
//
// Difference the ContainsAll:
//
//   - start with ^ for exclude contains check.
//   - end with $ for check end with keyword.
func SimpleMatch(s string, keywords []string) bool {
	for _, keyword := range keywords {
		kln := len(keyword)
		if kln == 0 {
			continue
		}

		// exclude
		if kln > 1 && keyword[0] == '^' {
			if strings.Contains(s, keyword[1:]) {
				return false
			}
			continue
		}

		// end with
		if kln > 1 && keyword[kln-1] == '$' {
			return strings.HasSuffix(s, keyword[:kln-1])
		}

		// include
		if !strings.Contains(s, keyword) {
			return false
		}
	}
	return true
}

// QuickMatch check for a string. pattern can be a sub string.
func QuickMatch(pattern, s string) bool {
	if strings.ContainsRune(pattern, '*') {
		return GlobMatch(pattern, s)
	}
	return strings.Contains(s, pattern)
}

// PathMatch check for a string match the pattern. alias of the path.Match()
//
// TIP: `*` can match any char, not contain `/`.
func PathMatch(pattern, s string) bool {
	ok, err := path.Match(pattern, s)
	if err != nil {
		ok = false
	}
	return ok
}

// GlobMatch check for a string match the pattern.
//
// Difference with PathMatch() is: `*` can match any char, contain `/`.
func GlobMatch(pattern, s string) bool {
	// replace `/` to `S` for path.Match
	pattern = strings.Replace(pattern, "/", "S", -1)
	s = strings.Replace(s, "/", "S", -1)

	ok, err := path.Match(pattern, s)
	if err != nil {
		ok = false
	}
	return ok
}

// LikeMatch simple check for a string match the pattern. pattern like the SQL LIKE.
func LikeMatch(pattern, s string) bool {
	ln := len(pattern)
	if ln < 2 {
		return false
	}

	// eg `%abc` `%abc%`
	if pattern[0] == '%' {
		if ln > 2 && pattern[ln-1] == '%' {
			return strings.Contains(s, pattern[1:ln-1])
		} else {
			return strings.HasSuffix(s, pattern[1:])
		}
	}

	// eg `abc%`
	if pattern[ln-1] == '%' {
		return strings.HasPrefix(s, pattern[:ln-1])
	}
	return pattern == s
}

// MatchNodePath check for a string match the pattern.
//
// Use on pattern:
//   - `*` match any to sep
//   - `**` match any to end. only allow at start or end on pattern.
//
// Example:
//
//	strutil.MatchNodePath()
func MatchNodePath(pattern, s string, sep string) bool {
	if pattern == "**" || pattern == s {
		return true
	}
	if pattern == "" {
		return len(s) == 0
	}

	if i := strings.Index(pattern, "**"); i >= 0 {
		if i == 0 { // at start
			return strings.HasSuffix(s, pattern[2:])
		}
		return strings.HasPrefix(s, pattern[:len(pattern)-2])
	}

	pattern = strings.Replace(pattern, sep, "/", -1)
	s = strings.Replace(s, sep, "/", -1)

	ok, err := path.Match(pattern, s)
	if err != nil {
		ok = false
	}
	return ok
}