package main

import (
	"bytes"
	"os"
	"slices"
	"strings"
	"testing"

	"github.com/BurntSushi/toml"
)

func TestCountryCodesAreInCCTLDs(t *testing.T) {
	countries := map[string]country{}
	_, err := toml.NewDecoder(bytes.NewReader(countriesTOML)).Decode(&countries)
	if err != nil {
		t.Fatalf("failed to parse countries.toml: %s", err)
	}

	if err != nil {
		t.Fatalf("expected no error, got %s", err)
	}
	tldBytes, err := os.ReadFile("../cc-tlds.txt")
	if err != nil {
		t.Fatalf("expected no error, got %s", err)
	}
	ccTLDs := strings.Split(string(tldBytes), "\n")
	for code, _ := range countries {
		if !slices.Contains(ccTLDs, code) {
			t.Fatalf("expected country code (%s) defined in countries.toml to also be in cc-tlds.txt", code)
		}
	}
}