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 params["expire_time"] != "15" {
			t.Fatalf("expire_time = %s", params["expire_time"])
		}
		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/P123",
				"expire_time":  "2026-07-21T10:15:00+08:00",
				"page_token":   "page-token-1",
			},
		})
	}))
	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",
		ExpireTime: "15",
	})
	if err != nil {
		t.Fatal(err)
	}
	if resp.OrderNo != "P123" || resp.Amount != 100 || resp.PageToken != "page-token-1" || resp.ExpireTime == nil {
		t.Fatalf("unexpected response: %+v", resp)
	}
}

func TestStatsDecodesDetailedResponse(t *testing.T) {
	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if r.URL.Path != "/api/pay/stats" {
			t.Fatalf("path = %s", r.URL.Path)
		}
		params := map[string]string{}
		for key, values := range r.URL.Query() {
			if len(values) > 0 {
				params[key] = values[0]
			}
		}
		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_count":          3,
				"total_order_count":    5,
				"paid_order_count":     3,
				"unpaid_order_count":   2,
				"refunded_order_count": 1,
				"closed_order_count":   1,
				"manual_order_count":   1,
				"total_amount":         17000,
				"received_amount":      11000,
				"refund_amount":        6000,
				"refund_count":         2,
				"total_fee":            170,
				"net_amount":           10830,
			},
		})
	}))
	defer server.Close()

	client, err := NewClient(server.URL, "pid-1", "secret")
	if err != nil {
		t.Fatal(err)
	}
	resp, err := client.Stats(context.Background(), StatsRequest{})
	if err != nil {
		t.Fatal(err)
	}
	if resp.TotalOrderCount != 5 || resp.PaidOrderCount != 3 ||
		resp.RefundedOrderCount != 1 || resp.RefundCount != 2 ||
		resp.ReceivedAmount != 11000 || resp.NetAmount != 10830 {
		t.Fatalf("unexpected response: %+v", resp)
	}
}