package fadada

import "testing"

func TestVerifyCallback(t *testing.T) {
	secret := "test-secret"
	c := NewClient(&Config{
		AppID:     "80005307",
		AppSecret: secret,
		ServerURL: "https://uat-api.fadada.com/api/v5/",
	})

	biz := `{"signTaskId":"st-1","signTaskStatus":"task_finished"}`
	timestamp := "1720000000000"
	nonce := "nonce-1"
	headMap := map[string]string{
		"X-FASC-App-Id":    "80005307",
		"X-FASC-Sign-Type": "HMAC-SHA256",
		"X-FASC-Timestamp": timestamp,
		"X-FASC-Nonce":     nonce,
		"X-FASC-Event":     "sign-task-finished",
		"bizContent":       biz,
	}
	sign := SignByMap(headMap, timestamp, secret)

	headers := map[string]string{
		"X-FASC-App-Id":    "80005307",
		"X-FASC-Sign-Type": "HMAC-SHA256",
		"X-FASC-Timestamp": timestamp,
		"X-FASC-Nonce":     nonce,
		"X-FASC-Event":     "sign-task-finished",
		"X-FASC-Sign":      sign,
	}
	if err := c.VerifyCallback(headers, biz); err != nil {
		t.Fatalf("verify failed: %v", err)
	}

	headers["X-FASC-Sign"] = "deadbeef"
	if err := c.VerifyCallback(headers, biz); err == nil {
		t.Fatal("expected signature failure")
	}
}

func TestSignByMapStable(t *testing.T) {
	m := map[string]string{
		"X-FASC-App-Id":    "app",
		"X-FASC-Nonce":     "n1",
		"X-FASC-Sign-Type": "HMAC-SHA256",
		"X-FASC-Timestamp": "1720000000000",
		"bizContent":       `{"a":1}`,
	}
	s1 := SignByMap(m, "1720000000000", "secret")
	s2 := SignByMap(m, "1720000000000", "secret")
	if s1 == "" || s1 != s2 {
		t.Fatalf("signature unstable: %s vs %s", s1, s2)
	}
}