package pay007

import (
	"context"
	"encoding/json"
	"net/http"
	"net/http/httptest"
	"testing"
)

func TestSubmitPostsSignedForm(t *testing.T) {
	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if r.URL.Path != "/api/pay/submit" {
			t.Fatalf("path = %s", r.URL.Path)
		}
		if r.Method != http.MethodPost {
			t.Fatalf("method = %s", r.Method)
		}
		if err := r.ParseForm(); err != nil {
			t.Fatal(err)
		}

		params := map[string]string{}
		for k, v := range r.PostForm {
			if len(v) > 0 {
				params[k] = v[0]
			}
		}
		if params["pid"] != "pid-1" {
			t.Fatalf("pid = %s", params["pid"])
		}
		if params["sign_type"] != "MD5" {
			t.Fatalf("sign_type = %s", params["sign_type"])
		}
		if !VerifySign(params, "secret") {
			t.Fatalf("invalid sign: %s", params["sign"])
		}

		_ = json.NewEncoder(w).Encode(map[string]any{
			"code":    200,
			"message": "Success",
			"data": map[string]any{
				"order_no":     "P123",
				"out_trade_no": params["out_trade_no"],
				"amount":       100,
				"cashier_url":  "http://pay.test/cashier/?orderNo=P123",
			},
		})
	}))
	defer server.Close()

	client, err := NewClient(server.URL, "pid-1", "secret")
	if err != nil {
		t.Fatal(err)
	}

	resp, err := client.Submit(context.Background(), SubmitRequest{
		OutTradeNo: "A100",
		Name:       "test",
		Money:      "1.00",
		Type:       "alipay",
	})
	if err != nil {
		t.Fatal(err)
	}
	if resp.OrderNo != "P123" || resp.Amount != 100 {
		t.Fatalf("unexpected response: %+v", resp)
	}
}