package templates

import (
	"strings"
	"testing"
	"time"
)

// 从后台进入单题页时，表单 action 必须原样带上筛选参数。
// 回归点：曾经写成 action="...?{{ .NextQuery }}"，html/template 会把查询片段整体编码，
// = 和 & 变成 %3d / %26，服务端解析不出 from，跳转后「返回」掉回箱主页（线上实测过）。
func TestOwnerFormsKeepAdminQuery(t *testing.T) {
	data := publicBaseData()
	data["CanDelete"] = true
	data["IsOwnPage"] = true
	data["NextUnreadID"] = uint(2)
	data["BackFrom"] = "admin"
	data["BackTo"] = "/user/questions?from=admin&sort=new"
	data["AnswerAction"] = "/_/tester/1/answer?from=admin&sort=new"
	data["NextUnreadAction"] = "/_/tester/1/next-unread?from=admin&sort=new"
	data["Question"] = map[string]interface{}{
		"ID": 1, "Content": "测试提问", "Answer": "",
		"CreatedAt": time.Now(), "UpdatedAt": time.Now(),
		"IsPrivate": false, "IsPinned": false, "IsRead": false,
		"Token": "abc123", "ReceiveReplyEmail": "",
	}
	data["QuestionToken"] = "abc123"
	data["AskUploadImages"] = []interface{}{}
	data["AnswerUploadImages"] = []interface{}{}
	data["FollowUps"] = []interface{}{}
	data["CanFollowUp"] = false
	data["IsQuestioner"] = false

	out, err := renderToString(t, "question/item", data)
	if err != nil {
		t.Fatalf("render question/item: %v", err)
	}

	for _, want := range []string{
		`action="/_/tester/1/answer?from=admin&sort=new"`,
		`action="/_/tester/1/next-unread?from=admin&sort=new"`,
		`href="/user/questions?from=admin&sort=new"`,
	} {
		if !strings.Contains(out, want) {
			t.Fatalf("渲染结果缺少 %s", want)
		}
	}
	if strings.Contains(strings.ToLower(out), "%3d") || strings.Contains(out, "%26") {
		t.Fatal("action 里的 = / & 被 percent-encode 了，服务端会解析不出 from=admin")
	}
}