package shared

import "testing"

func TestComparisonKeyNormalizesDNDText(t *testing.T) {
	if TextComparisonPolicy != "dnd.text_comparison.v1" {
		t.Fatalf("TextComparisonPolicy = %q", TextComparisonPolicy)
	}
	for _, test := range []struct {
		name  string
		input string
		want  string
	}{
		{name: "case", input: "Captain Vale", want: "captain vale"},
		{name: "compatibility", input: "Ａｌｌｙ", want: "ally"},
		{name: "whitespace", input: "  Mira\u2003Thorn ", want: "mira thorn"},
		{name: "apostrophes", input: "O’Rin and OʼRin", want: "o'rin and o'rin"},
		{name: "unicode composition", input: "  Cafe\u0301\u2003d’Or ", want: "café d'or"},
	} {
		t.Run(test.name, func(t *testing.T) {
			if got := ComparisonKey(test.input); got != test.want {
				t.Fatalf("ComparisonKey(%q) = %q, want %q", test.input, got, test.want)
			}
		})
	}
	if ComparisonKey("Mira Thorn") == ComparisonKey("Mira Thorne") {
		t.Fatal("different names received the same comparison key")
	}
}

func TestContainsTokenSequence(t *testing.T) {
	tests := []struct {
		name  string
		value string
		query string
		want  bool
	}{
		{name: "unicode apostrophe and case", value: "O’rIn\u2003ThOrN advances", query: "o'rin thorn", want: true},
		{name: "multiword sequence", value: "Mira Thorn watches", query: "mira thorn", want: true},
		{name: "nonconsecutive words", value: "Mira watches Thorn", query: "mira thorn", want: false},
		{name: "short name is not substring", value: "A cart rolls past", query: "art", want: false},
		{name: "empty query", value: "anything", query: " ", want: false},
	}
	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			if got := ContainsTokenSequence(test.value, test.query); got != test.want {
				t.Fatalf("ContainsTokenSequence(%q, %q) = %t, want %t", test.value, test.query, got, test.want)
			}
		})
	}
}
