package echomeet

import (
	"strings"
	"testing"
)

// 客户端「自动 / 不翻译」的两种写法都要归一成空串
func TestNormalizeAutoLang(t *testing.T) {
	for in, want := range map[string]string{"": "", "auto": "", " AUTO ": "", "en-US": "en-US"} {
		if got := normalizeAutoLang(in); got != want {
			t.Errorf("normalizeAutoLang(%q)=%q want %q", in, got, want)
		}
	}
}

// 不翻译 → 跟随转写语言；翻译 → 点名目标语种。两者绝不能混：
// 不翻译时若写出了某个具体语种，英文录音会被总结成中文。
func TestSummaryLanguageInstruction(t *testing.T) {
	for _, to := range []string{"", "auto"} {
		got := summaryLanguageInstruction(to)
		if !strings.Contains(got, "same language as the transcript") {
			t.Errorf("to=%q 应跟随转写语言，得到 %q", to, got)
		}
	}
	got := summaryLanguageInstruction("ja-JP")
	if !strings.Contains(got, "Japanese (ja-JP)") {
		t.Errorf("ja-JP 应点名日语，得到 %q", got)
	}
	if got := summaryLanguageInstruction("xx-YY"); !strings.Contains(got, "xx-YY") {
		t.Errorf("表外语种应原样写码，得到 %q", got)
	}
}