package feishu

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

func TestSendText(t *testing.T) {
	var gotText string
	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch r.URL.Path {
		case "/open-apis/auth/v3/tenant_access_token/internal":
			_, _ = w.Write([]byte(`{"code":0,"tenant_access_token":"test-token","expire":7200}`))
		case "/open-apis/im/v1/messages":
			if r.URL.Query().Get("receive_id_type") != "chat_id" || r.Header.Get("Authorization") != "Bearer test-token" {
				t.Errorf("unexpected request: %s %s", r.URL.String(), r.Header.Get("Authorization"))
			}
			var payload struct {
				ReceiveID string `json:"receive_id"`
				MsgType   string `json:"msg_type"`
				Content   string `json:"content"`
			}
			if err := json.NewDecoder(r.Body).Decode(&payload); err != nil {
				t.Error(err)
			}
			if payload.ReceiveID != "test-chat" || payload.MsgType != "text" {
				t.Errorf("unexpected payload: %+v", payload)
			}
			var content struct {
				Text string `json:"text"`
			}
			if err := json.Unmarshal([]byte(payload.Content), &content); err != nil {
				t.Error(err)
			}
			gotText = content.Text
			_, _ = w.Write([]byte(`{"code":0,"msg":"success"}`))
		default:
			http.NotFound(w, r)
		}
	}))
	defer server.Close()
	client := NewClient("test-app", "test-secret", "test-chat")
	client.baseURL = server.URL
	message := "连接测试：含引号 \" 和换行\n第二行"
	if err := client.SendText(context.Background(), message); err != nil {
		t.Fatal(err)
	}
	if gotText != message {
		t.Fatalf("text mismatch: %q", gotText)
	}
}

func TestSendTextRejectsEmpty(t *testing.T) {
	client := NewClient("test-app", "test-secret", "test-chat")
	if err := client.SendText(context.Background(), ""); err == nil || !strings.Contains(err.Error(), "text is required") {
		t.Fatalf("unexpected error: %v", err)
	}
}