package console

// 巡检的纯逻辑单测：配置校验规则、状态码判定、签名编码、探测去重键。
// 这些是巡检结论的判据，判错会直接变成误报/漏报，值得钉死。
// 真实探针（会打第三方接口）不在单测覆盖范围内。

import (
	"strings"
	"testing"

	"yunyan/comm"
)

func TestCheckSvcConfig(t *testing.T) {
	encField := SvcField{Key: "api_key", Encrypted: true}
	plainField := SvcField{Key: "model"}

	tests := []struct {
		name      string
		svc       *ThirdSvcConfig
		ovr       *SvcRegionOverride
		cats      map[int32]bool
		fields    map[string]string
		wantFatal bool
		wantHas   string // 期望问题清单里包含的关键字，空=不检查
	}{
		{
			name:   "凭据齐全且勾了类别，无任何问题",
			svc:    &ThirdSvcConfig{Categories: "5", Fields: []SvcField{encField, plainField}},
			cats:   map[int32]bool{svcCatLLM: true},
			fields: map[string]string{"api_key": "sk-xxx", "model": "gpt-4o"},
		},
		{
			name:      "加密字段为空判致命",
			svc:       &ThirdSvcConfig{Categories: "5", Fields: []SvcField{encField}},
			cats:      map[int32]bool{svcCatLLM: true},
			fields:    map[string]string{"api_key": "  "},
			wantFatal: true,
			wantHas:   "api_key",
		},
		{
			name: "被区域停用的加密字段不算缺失",
			svc:  &ThirdSvcConfig{Categories: "5", Fields: []SvcField{encField}},
			ovr:  &SvcRegionOverride{DisabledKeys: []string{"api_key"}},
			cats: map[int32]bool{svcCatLLM: true},
			// 该区域本就不用这个字段，为空是正常的。
			fields: map[string]string{},
		},
		{
			name:      "区域专属新增的加密字段为空同样判致命",
			svc:       &ThirdSvcConfig{Categories: "5", Fields: []SvcField{encField}},
			ovr:       &SvcRegionOverride{ExtraFields: []SvcField{{Key: "region_key", Encrypted: true}}},
			cats:      map[int32]bool{svcCatLLM: true},
			fields:    map[string]string{"api_key": "sk-xxx", "region_key": ""},
			wantFatal: true,
			wantHas:   "region_key",
		},
		{
			name:      "MCP 缺 url 判致命",
			svc:       &ThirdSvcConfig{Categories: "10"},
			cats:      map[int32]bool{svcCatMCP: true},
			fields:    map[string]string{},
			wantFatal: true,
			wantHas:   "MCP",
		},
		{
			name:    "未勾类别只是隐患，不致命",
			svc:     &ThirdSvcConfig{Categories: "", Fields: []SvcField{encField}},
			cats:    map[int32]bool{},
			fields:  map[string]string{"api_key": "sk-xxx"},
			wantHas: "未勾选服务类别",
		},
		{
			name:    "TTS 缺 languages 只是隐患",
			svc:     &ThirdSvcConfig{Categories: "2", Fields: []SvcField{encField}},
			cats:    map[int32]bool{svcCatTTS: true},
			fields:  map[string]string{"api_key": "sk-xxx", "languages": ""},
			wantHas: "languages",
		},
	}

	for _, tc := range tests {
		t.Run(tc.name, func(t *testing.T) {
			issues := checkSvcConfig(tc.svc, tc.ovr, tc.cats, tc.fields)
			if got := hasFatalIssue(issues); got != tc.wantFatal {
				t.Fatalf("hasFatalIssue=%v, want %v；问题清单=%v", got, tc.wantFatal, issues)
			}
			if tc.wantHas != "" && !strings.Contains(strings.Join(issues, "|"), tc.wantHas) {
				t.Fatalf("问题清单 %v 中未包含 %q", issues, tc.wantHas)
			}
			if tc.wantHas == "" && !tc.wantFatal && len(issues) != 0 {
				t.Fatalf("期望无问题，实得 %v", issues)
			}
		})
	}
}

func TestClassify(t *testing.T) {
	tests := []struct {
		status   int
		wantOk   bool
		wantKind string
	}{
		{200, true, comm.ProbeCredential},
		{204, true, comm.ProbeCredential},
		{401, false, comm.ProbeCredential},  // 凭据无效——要运营去换密钥
		{403, false, comm.ProbeCredential},  //
		{429, true, comm.ProbeCredential},   // 限流说明凭据是被接受的
		{404, true, comm.ProbeNone},         // 端点不适用，不能算故障，但也没验证到
		{405, true, comm.ProbeNone},         //
		{500, false, comm.ProbeCredential},  // 服务商故障
		{418, false, comm.ProbeCredential},  // 其它异常
	}
	for _, tc := range tests {
		got := classify(tc.status, "body", "测试服务")
		if got.Ok != tc.wantOk || got.Kind != tc.wantKind {
			t.Errorf("classify(%d) = {Ok:%v Kind:%s}, want {Ok:%v Kind:%s}",
				tc.status, got.Ok, got.Kind, tc.wantOk, tc.wantKind)
		}
	}
}

// TestAliyunEncode 阿里云 RPC 签名要求的 percent-encode 与 Go 默认 QueryEscape 有三处差异，
// 编码错会让签名恒不匹配，把「AK 正常」误报成「AK 无效」。
func TestAliyunEncode(t *testing.T) {
	tests := [][2]string{
		{"a b", "a%20b"},   // 空格必须是 %20 而不是 +
		{"a*b", "a%2Ab"},   // * 必须转义
		{"a~b", "a~b"},     // ~ 必须保持原样
		{"a/b", "a%2Fb"},   //
		{"/", "%2F"},       //
		{"k=v&x=y", "k%3Dv%26x%3Dy"},
	}
	for _, tc := range tests {
		if got := aliyunEncode(tc[0]); got != tc[1] {
			t.Errorf("aliyunEncode(%q) = %q, want %q", tc[0], got, tc[1])
		}
	}
}

// TestProbeCacheKey 去重键必须与字段顺序无关（map 遍历顺序随机），
// 且任一字段值不同就必须是不同的键——否则会把 A 区域的探测结论错安到 B 区域头上。
func TestProbeCacheKey(t *testing.T) {
	a := probeCacheKey("openai", map[string]string{"api_key": "k1", "model": "gpt-4o"})
	b := probeCacheKey("openai", map[string]string{"model": "gpt-4o", "api_key": "k1"})
	if a != b {
		t.Fatal("同一份配置在不同 map 遍历顺序下应得到相同的键")
	}
	if a == probeCacheKey("openai", map[string]string{"api_key": "k2", "model": "gpt-4o"}) {
		t.Fatal("凭据不同必须得到不同的键")
	}
	if a == probeCacheKey("deepseek", map[string]string{"api_key": "k1", "model": "gpt-4o"}) {
		t.Fatal("服务商不同必须得到不同的键")
	}
	// 键分隔符不能被字段值本身伪造出碰撞。
	x := probeCacheKey("p", map[string]string{"a": "1", "b": "2"})
	y := probeCacheKey("p", map[string]string{"a": "1\x01b\x012"})
	if x == y {
		t.Fatal("不同字段结构不应碰撞")
	}
}

func TestCatSet(t *testing.T) {
	got := catSet("5, 9 ,10")
	for _, want := range []int32{svcCatLLM, svcCatLLMVision, svcCatMCP} {
		if !got[want] {
			t.Errorf("catSet 未解析出类别 %d", want)
		}
	}
	if len(catSet("")) != 0 || len(catSet("abc")) != 0 {
		t.Error("空值/非法值应解析为空集")
	}
}

// TestSortHealth 巡检页与告警条都靠它排序：不可用的必须排在最前，同级里一直坏着的优先。
func TestSortHealth(t *testing.T) {
	rows := []*comm.SvcHealth{
		{Name: "c", Status: comm.HealthOK},
		{Name: "d", Status: comm.HealthSkip},
		{Name: "a", Status: comm.HealthError, FailStreak: 1},
		{Name: "b", Status: comm.HealthWarn},
		{Name: "e", Status: comm.HealthError, FailStreak: 9},
	}
	sortHealth(rows)
	want := []string{"e", "a", "b", "c", "d"}
	for i, w := range want {
		if rows[i].Name != w {
			t.Fatalf("排序结果第 %d 位是 %s，期望 %s", i, rows[i].Name, w)
		}
	}
}