package starnet

import (
	"net/http"
	"testing"
)

func TestWithRawRequestNil(t *testing.T) {
	_, err := NewRequest("http://example.com", "GET", WithRawRequest(nil))
	if err == nil {
		t.Fatal("expected error when WithRawRequest(nil)")
	}
}

func TestSetHeadersDefensiveCopy(t *testing.T) {
	req := NewSimpleRequest("http://example.com", "GET")
	headers := http.Header{
		"X-Test": []string{"v1"},
	}

	req.SetHeaders(headers)
	headers.Set("X-Test", "v2")

	if got := req.GetHeader("X-Test"); got != "v1" {
		t.Fatalf("header mutated by external map change: got=%q want=%q", got, "v1")
	}
}

func TestSetQueriesDefensiveCopy(t *testing.T) {
	req := NewSimpleRequest("http://example.com", "GET")
	queries := map[string][]string{
		"k": []string{"v1"},
	}

	req.SetQueries(queries)
	queries["k"][0] = "v2"
	queries["k"] = append(queries["k"], "v3")

	got := req.config.Queries["k"]
	if len(got) != 1 || got[0] != "v1" {
		t.Fatalf("queries mutated by external map change: got=%v want=[v1]", got)
	}
}

func TestSetFormDataDefensiveCopy(t *testing.T) {
	req := NewSimpleRequest("http://example.com", "POST")
	form := map[string][]string{
		"name": []string{"alice"},
	}

	req.SetFormData(form)
	form["name"][0] = "bob"
	form["name"] = append(form["name"], "carol")

	got := req.config.Body.FormData["name"]
	if len(got) != 1 || got[0] != "alice" {
		t.Fatalf("form data mutated by external map change: got=%v want=[alice]", got)
	}
}