package osi

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

	"chis_osi/contract"
)

func TestClientCallPostsSignedEnvelopeAndDecodesSuccess(t *testing.T) {
	var seenPath string
	var seenPayload map[string]any
	var seenHeaders http.Header

	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		seenPath = r.URL.Path
		seenHeaders = r.Header.Clone()
		if err := json.NewDecoder(r.Body).Decode(&seenPayload); err != nil {
			t.Fatalf("decode request: %v", err)
		}
		w.Header().Set("Content-Type", "application/json")
		_, _ = w.Write([]byte(`{"code":"01","message":"操作成功","data":{"phrId":"phr-001"}}`))
	}))
	defer server.Close()

	transport, err := NewTransport(TransportConfig{Timeout: time.Second})
	if err != nil {
		t.Fatalf("NewTransport: %v", err)
	}
	client := NewClient(ClientConfig{
		BaseURL:     server.URL,
		OrgCode:     "12441625456962881G",
		DeviceSN:    "device-001",
		UserName:    "dyytgw",
		Ask:         "secret-key",
		OperateUser: "712041",
		OperateUnit: "12441625456962881G",
		Transport:   transport,
		NowMillis: func() string {
			return "1700000000123"
		},
	})

	var out struct {
		PHRID string `json:"phrId"`
	}
	result, err := client.Call(context.Background(), ServiceIDJKDAFind, map[string]string{"idCard": "440100199001011234"}, &out)
	if err != nil {
		t.Fatalf("Call: %v", err)
	}

	if seenPath != "/osi/api/auto/jkda/find" {
		t.Fatalf("path = %q", seenPath)
	}
	if seenHeaders.Get("orgCode") != "12441625456962881G" {
		t.Fatalf("orgCode header = %q", seenHeaders.Get("orgCode"))
	}
	if seenHeaders.Get("password") != "008aceff8247cb42d2a99b2c48d0ac88" {
		t.Fatalf("password header = %q", seenHeaders.Get("password"))
	}
	if _, ok := seenPayload["uploadinfo"]; !ok {
		t.Fatalf("payload missing uploadinfo: %#v", seenPayload)
	}
	if seenPayload["serviceId"] != ServiceIDJKDAFind {
		t.Fatalf("serviceId = %v", seenPayload["serviceId"])
	}

	uploadInfo := seenPayload["uploadinfo"].(map[string]any)
	baseInfo := uploadInfo["baseInfo"].(map[string]any)
	if baseInfo["idCard"] != "440100199001011234" {
		t.Fatalf("baseInfo.idCard = %v", baseInfo["idCard"])
	}
	manageInfo := uploadInfo["manageInfo"].(map[string]any)
	if manageInfo["DSFMC"] != "dyytgw" || manageInfo["operateUser"] != "712041" || manageInfo["operateUnit"] != "12441625456962881G" {
		t.Fatalf("manageInfo = %#v", manageInfo)
	}
	if !result.Success || result.Retryable {
		t.Fatalf("result = %#v", result)
	}
	if out.PHRID != "phr-001" {
		t.Fatalf("decoded phrId = %q", out.PHRID)
	}
}

func TestClientCallMarks405Retryable(t *testing.T) {
	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		_, _ = w.Write([]byte(`{"code":"405","message":"服务调用超时"}`))
	}))
	defer server.Close()

	transport, err := NewTransport(TransportConfig{Timeout: time.Second})
	if err != nil {
		t.Fatalf("NewTransport: %v", err)
	}
	client := NewClient(ClientConfig{BaseURL: server.URL, UserName: "dyytgw", Ask: "secret-key", Transport: transport})

	result, err := client.Call(context.Background(), ServiceIDJKDAFind, contract.UploadInfo{}, nil)
	if err == nil {
		t.Fatal("Call returned nil error for 405")
	}
	if !result.Retryable || result.Success {
		t.Fatalf("result = %#v", result)
	}
}
func TestClientCallGeneratesTimestampWhenClockNotInjected(t *testing.T) {
	var seenTS string
	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		seenTS = r.Header.Get("ts")
		_, _ = w.Write([]byte(`{"code":"01","message":"操作成功"}`))
	}))
	defer server.Close()

	transport, err := NewTransport(TransportConfig{Timeout: time.Second})
	if err != nil {
		t.Fatalf("NewTransport: %v", err)
	}
	client := NewClient(ClientConfig{BaseURL: server.URL, UserName: "dyytgw", Ask: "secret-key", Transport: transport})

	if _, err := client.Call(context.Background(), ServiceIDJKDAFind, map[string]string{"idCard": "440100199001011234"}, nil); err != nil {
		t.Fatalf("Call: %v", err)
	}
	if len(seenTS) != 13 {
		t.Fatalf("ts header length = %d, want 13; ts=%q", len(seenTS), seenTS)
	}
}
func TestClientURLForAcceptsBaseURLWithAPIPath(t *testing.T) {
	client := NewClient(ClientConfig{BaseURL: "http://example.test/osi/api/"})
	got := client.urlFor("/auto/jkda/find")
	want := "http://example.test/osi/api/auto/jkda/find"
	if got != want {
		t.Fatalf("urlFor = %q, want %q", got, want)
	}
}