package voice

import (
	"encoding/json"
	"testing"
)

// 初始配置 JSON 关键字段必须对（错了火山直接拒识别）。
func TestBuildASRRequest(t *testing.T) {
	var r asrReq
	if err := json.Unmarshal(buildASRRequest("u1"), &r); err != nil {
		t.Fatalf("配置 JSON 不合法: %v", err)
	}
	if r.User.UID != "u1" {
		t.Fatalf("uid 应 u1，得 %q", r.User.UID)
	}
	if r.Audio.Rate != 16000 || r.Audio.Bits != 16 || r.Audio.Channel != 1 {
		t.Fatalf("音频参数应 16k/16bit/单声道，得 %+v", r.Audio)
	}
	if r.Request.ModelName != "bigmodel" || !r.Request.VAD.VadEnable {
		t.Fatalf("model/vad 配置错：%+v", r.Request)
	}
	// 空 uid 兜底
	var r2 asrReq
	_ = json.Unmarshal(buildASRRequest(""), &r2)
	if r2.User.UID == "" {
		t.Fatal("空 uid 应兜底非空")
	}
}

// result 三种形态(数组/对象/字符串)都要能取出文本；final 由 type 决定。
func TestParseASRResult(t *testing.T) {
	cases := []struct {
		payload   string
		wantText  string
		wantFinal bool
	}{
		{`{"type":"interim","result":[{"text":"你好"}]}`, "你好", false},
		{`{"type":"final","result":[{"text":"你好"},{"text":"世界"}]}`, "你好世界", true},
		{`{"type":"final","result":{"text":"单对象"}}`, "单对象", true},
		{`{"type":"interim","result":"纯字符串"}`, "纯字符串", false},
	}
	for _, c := range cases {
		text, final, ok := parseASRResult([]byte(c.payload))
		if !ok || text != c.wantText || final != c.wantFinal {
			t.Fatalf("parse(%s)=%q,%v,%v want %q,%v", c.payload, text, final, ok, c.wantText, c.wantFinal)
		}
	}
	// 坏 JSON 不 panic、ok=false
	if _, _, ok := parseASRResult([]byte("not json")); ok {
		t.Fatal("坏 JSON 应 ok=false")
	}
}