package user

import (
	"strings"
	"testing"

	"yunyan/comm"
)

func mtSvc(app, id, provider string, enable bool) *comm.ThirdSvcConfig {
	return &comm.ThirdSvcConfig{
		AppName:    app,
		Id:         id,
		Provider:   provider,
		Categories: "3", // comm.SvcCatMT
		Enable:     enable,
	}
}

// 后台同时启用了三家 MT，只有阿里是服务端真接了的：必须挑阿里，
// 而不是看 postgres 先返回谁。2026-09-14 线上翻译整体报「未配置机器翻译服务」
// 就是因为没这条规则、随手挑中了 mt_volcano。
func TestPickMTSvcSkipsUnimplementedProviders(t *testing.T) {
	// 顺序刻意把没接入的排在最前，模拟库的返回顺序不利的情况
	svcs := []*comm.ThirdSvcConfig{
		mtSvc("EAIMAR", "mt_volcano", "volcano", true),
		mtSvc("EAIMAR", "mt_azure", "azure", true),
		mtSvc("EAIMAR", "mt_alibaba", "alibaba", true),
	}
	picked, skipped := pickMTSvc(svcs, "EAIMAR")
	if picked == nil || picked.Id != "mt_alibaba" {
		t.Fatalf("应挑中 mt_alibaba，实际 %v", pickedIdOf(picked))
	}
	if len(skipped) != 2 || !strings.Contains(strings.Join(skipped, ","), "mt_volcano") {
		t.Fatalf("未接入的两家应记进 skipped 供日志排查，实际 %v", skipped)
	}
}

// 全都没接入时返回 nil（调用方回 TranslateNotConfigured），
// 并且把跳过的列出来——否则「配了却报未配置」无从查起。
func TestPickMTSvcAllUnimplemented(t *testing.T) {
	svcs := []*comm.ThirdSvcConfig{
		mtSvc("EAIMAR", "mt_volcano", "volcano", true),
		mtSvc("EAIMAR", "mt_azure", "azure", true),
	}
	picked, skipped := pickMTSvc(svcs, "EAIMAR")
	if picked != nil {
		t.Fatalf("没有接得上的服务时应返回 nil，实际 %v", picked.Id)
	}
	if len(skipped) != 2 {
		t.Fatalf("skipped 应含两家，实际 %v", skipped)
	}
}

// 停用的、类别不含 MT 的，一律不参与。
func TestPickMTSvcIgnoresDisabledAndOtherCategories(t *testing.T) {
	other := mtSvc("EAIMAR", "stt_azure", "alibaba", true)
	other.Categories = "1" // STT
	svcs := []*comm.ThirdSvcConfig{
		mtSvc("EAIMAR", "mt_alibaba", "alibaba", false), // 停用
		other,
	}
	if picked, _ := pickMTSvc(svcs, "EAIMAR"); picked != nil {
		t.Fatalf("停用/非 MT 类别不应被选中，实际 %v", picked.Id)
	}
}

// 本应用的行优先于全局行（作用域归一后全局行已不再产生，这条守存量数据）。
func TestPickMTSvcPrefersAppScope(t *testing.T) {
	svcs := []*comm.ThirdSvcConfig{
		mtSvc("", "mt_alibaba", "alibaba", true),
		mtSvc("EAIMAR", "mt_alibaba", "alibaba", true),
	}
	picked, _ := pickMTSvc(svcs, "EAIMAR")
	if picked == nil || picked.AppName != "EAIMAR" {
		t.Fatalf("应优先取本应用的行，实际 %v", picked)
	}
}

// provider 是人手填的，大小写/空格不该影响匹配。
func TestPickMTSvcNormalizesProvider(t *testing.T) {
	svcs := []*comm.ThirdSvcConfig{mtSvc("EAIMAR", "mt_alibaba", "  Alibaba ", true)}
	if picked, _ := pickMTSvc(svcs, "EAIMAR"); picked == nil {
		t.Fatal("provider 大小写/空白不应影响匹配")
	}
}