package models

import (
	"testing"
	"unicode"

	"github.com/stretchr/testify/assert"
)

func TestCheckMetricName(t *testing.T) {
	tests := []struct {
		kind string
		want string
	}{
		{"http", "chttp"},
		{"ssl", "cssl"},
		{"bssl", "cbssl"},
		{"ssh", "cssh"},
		{"ftp", "cftp"},
		{"dns", "cdns"},
		{"whois", "cwhois"},
		{"rkn", "crkn"},
		{"llm", "cllm"},
		{"llm-http", "cllm_http"},
		{"weird-kind", "cweird_kind"},
	}

	for _, tt := range tests {
		t.Run(tt.kind, func(t *testing.T) {
			c := &Check{Kind: tt.kind, ID: 1}
			got := c.MetricName()
			assert.Equal(t, tt.want, got, "MetricName() for kind %q", tt.kind)

			metric := got
			for _, ch := range metric {
				if !unicode.IsLetter(ch) && !unicode.IsDigit(ch) && ch != '_' && ch != ':' {
					t.Errorf("metric name %q contains invalid character %q", metric, ch)
				}
			}
		})
	}
}