package starnet

import (
	"fmt"
	"net/http"
	"net/http/httptest"
	"testing"
)

func TestUrlEncodeRaw(t *testing.T) {
	input := "hello world!@#$%^&*()_+-=~`"
	expected := "hello%20world%21%40%23%24%25%5E%26%2A%28%29_%2B-%3D~%60"
	result := UrlEncodeRaw(input)
	if result != expected {
		t.Errorf("UrlEncodeRaw(%q) = %q; want %q", input, result, expected)
	}
}

func TestUrlEncode(t *testing.T) {
	input := "hello world!@#$%^&*()_+-=~`"
	expected := `hello+world%21%40%23%24%25%5E%26%2A%28%29_%2B-%3D~%60`
	result := UrlEncode(input)
	if result != expected {
		t.Errorf("UrlEncode(%q) = %q; want %q", input, result, expected)
	}
}

func TestUrlDecode(t *testing.T) {
	input := "hello%20world%21%40%23%24%25%5E%26*%28%29_%2B-%3D~%60"
	expected := "hello world!@#$%^&*()_+-=~`"
	result, err := UrlDecode(input)
	if err != nil {
		t.Errorf("UrlDecode(%q) returned error: %v", input, err)
	}
	if result != expected {
		t.Errorf("UrlDecode(%q) = %q; want %q", input, result, expected)
	}

	// Test for error case
	invalidInput := "%zz"
	_, err = UrlDecode(invalidInput)
	if err == nil {
		t.Errorf("UrlDecode(%q) expected error, got nil", invalidInput)
	}
}

func TestBuildPostForm_WithValidInput(t *testing.T) {
	input := map[string]string{
		"key1": "value1",
		"key2": "value2",
	}

	expected := []byte("key1=value1&key2=value2")

	result := BuildPostForm(input)

	if string(result) != string(expected) {
		t.Errorf("BuildPostForm(%v) = %v; want %v", input, result, expected)
	}
}

func TestBuildPostForm_WithEmptyInput(t *testing.T) {
	input := map[string]string{}

	expected := []byte("")

	result := BuildPostForm(input)

	if string(result) != string(expected) {
		t.Errorf("BuildPostForm(%v) = %v; want %v", input, result, expected)
	}
}

func TestBuildPostForm_WithNilInput(t *testing.T) {
	var input map[string]string

	expected := []byte("")

	result := BuildPostForm(input)

	if string(result) != string(expected) {
		t.Errorf("BuildPostForm(%v) = %v; want %v", input, result, expected)
	}
}

func TestGetRequest(t *testing.T) {
	server := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
		rw.Write([]byte(`OK`))
	}))
	defer server.Close()

	resp, err := Get(server.URL)
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}

	body := resp.Body().String()
	if body != "OK" {
		t.Errorf("Expected OK, got %v", body)
	}
}

func TestPostRequest(t *testing.T) {
	server := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
		if req.Method != http.MethodPost {
			t.Errorf("Expected 'POST', got %v", req.Method)
		}
		rw.Write([]byte(`OK`))
	}))
	defer server.Close()

	resp, err := Post(server.URL)
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}

	body := resp.Body().String()
	if body != "OK" {
		t.Errorf("Expected OK, got %v", body)
	}
}

func TestOptionsRequestWithValidInput(t *testing.T) {
	server := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
		if req.Method != http.MethodOptions {
			t.Errorf("Expected 'OPTIONS', got %v", req.Method)
		}
		rw.Write([]byte(`OK`))
	}))
	defer server.Close()

	resp, err := Options(server.URL)
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}

	body := resp.Body().String()
	if body != "OK" {
		t.Errorf("Expected OK, got %v", body)
	}
}

func TestPutRequestWithValidInput(t *testing.T) {
	server := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
		if req.Method != http.MethodPut {
			t.Errorf("Expected 'PUT', got %v", req.Method)
		}
		rw.Write([]byte(`OK`))
	}))
	defer server.Close()

	resp, err := Put(server.URL)
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}

	body := resp.Body().String()
	if body != "OK" {
		t.Errorf("Expected OK, got %v", body)
	}
}

func TestDeleteRequestWithValidInput(t *testing.T) {
	server := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
		if req.Method != http.MethodDelete {
			t.Errorf("Expected 'DELETE', got %v", req.Method)
		}
		rw.Write([]byte(`OK`))
	}))
	defer server.Close()

	resp, err := Delete(server.URL)
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}

	body := resp.Body().String()
	if body != "OK" {
		t.Errorf("Expected OK, got %v", body)
	}
}

func TestHeadRequestWithValidInput(t *testing.T) {
	server := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
		if req.Method != http.MethodHead {
			t.Errorf("Expected 'HEAD', got %v", req.Method)
		}
		rw.Write([]byte(`OK`))
	}))
	defer server.Close()

	resp, err := Head(server.URL)
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}

	body := resp.Body().String()
	if body == "OK" {
		t.Errorf("Expected , got %v", body)
	}
}

func TestPatchRequestWithValidInput(t *testing.T) {
	server := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
		if req.Method != http.MethodPatch {
			t.Errorf("Expected 'PATCH', got %v", req.Method)
		}
		rw.Write([]byte(`OK`))
	}))
	defer server.Close()

	resp, err := Patch(server.URL)
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}

	body := resp.Body().String()
	if body != "OK" {
		t.Errorf("Expected OK, got %v", body)
	}
}

func TestTraceRequestWithValidInput(t *testing.T) {
	server := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
		if req.Method != http.MethodTrace {
			t.Errorf("Expected 'TRACE', got %v", req.Method)
		}
		rw.Write([]byte(`OK`))
	}))
	defer server.Close()

	resp, err := Trace(server.URL)
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}

	body := resp.Body().String()
	if body != "OK" {
		t.Errorf("Expected OK, got %v", body)
	}
}

func TestConnectRequestWithValidInput(t *testing.T) {
	server := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
		if req.Method != http.MethodConnect {
			t.Errorf("Expected 'CONNECT', got %v", req.Method)
		}
		rw.Write([]byte(`OK`))
	}))
	defer server.Close()

	resp, err := Connect(server.URL)
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}

	body := resp.Body().String()
	if body != "OK" {
		t.Errorf("Expected OK, got %v", body)
	}
}
func TestMethodReturnsCorrectValue(t *testing.T) {
	req := NewReq("https://example.com")
	req.SetMethodNoError("GET")
	if req.Method() != "GET" {
		t.Errorf("Expected 'GET', got %v", req.Method())
	}
}

func TestSetMethodHandlesInvalidInput(t *testing.T) {
	req := NewReq("https://example.com")
	err := req.SetMethod("我是谁")
	if err == nil {
		t.Errorf("Expected error, got nil")
	}
}

func TestSetMethodNoErrorSetsMethodCorrectly(t *testing.T) {
	req := NewReq("https://example.com")
	req.SetMethodNoError("POST")
	if req.Method() != "POST" {
		t.Errorf("Expected 'POST', got %v", req.Method())
	}
}

func TestSetMethodNoErrorIgnoresInvalidInput(t *testing.T) {
	req := NewReq("https://example.com")
	req.SetMethodNoError("你是谁")
	if req.Method() != "GET" {
		t.Errorf("Expected '', got %v", req.Method())
	}
}

func TestUriReturnsCorrectValue(t *testing.T) {
	req := NewReq("https://example.com")
	if req.Uri() != "https://example.com" {
		t.Errorf("Expected 'https://example.com', got %v", req.Uri())
	}
}

func TestSetUriHandlesValidInput(t *testing.T) {
	req := NewReq("https://example.com")
	err := req.SetUri("https://newexample.com")
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}
	if req.Uri() != "https://newexample.com" {
		t.Errorf("Expected 'https://newexample.com', got %v", req.Uri())
	}
}

func TestSetUriHandlesInvalidInput(t *testing.T) {
	req := NewReq("https://example.com")
	err := req.SetUri("://invalidurl")
	if err == nil {
		t.Errorf("Expected error, got nil")
	}
}

func TestSetUriNoErrorSetsUriCorrectly(t *testing.T) {
	req := NewReq("https://example.com")
	req.SetUriNoError("https://newexample.com")
	if req.Uri() != "https://newexample.com" {
		t.Errorf("Expected 'https://newexample.com', got %v", req.Uri())
	}
}

func TestSetUriNoErrorIgnoresInvalidInput(t *testing.T) {
	req := NewReq("https://example.com")
	req.SetUriNoError("://invalidurl")
	if req.Uri() != "https://example.com" {
		t.Errorf("Expected 'https://example.com', got %v", req.Uri())
	}
}

type postmanReply struct {
	Args struct {
	} `json:"args"`
	Form    map[string]string `json:"form"`
	Headers map[string]string `json:"headers"`
	Url     string            `json:"url"`
}

func TestGet(t *testing.T) {
	var reply postmanReply
	resp, err := NewReq("https://postman-echo.com/get").
		AddHeader("hello", "nononmo").
		SetAutoCalcContentLength(true).
		Do()
	if err != nil {
		t.Error(err)
	}
	err = resp.Body().Unmarshal(&reply)
	if err != nil {
		t.Error(err)
	}
	fmt.Println(resp.Body().String())
	fmt.Println(reply.Headers)
	fmt.Println(resp.Cookies())
}

type testData struct {
	name    string
	args    *Request
	want    func(*Response) error
	wantErr bool
}

func headerTestData() []testData {
	return []testData{
		{
			name: "addHeader",
			args: NewReq("https://postman-echo.com/get").
				AddHeader("b612", "test-data").
				AddHeader("b612", "test-header").
				AddSimpleCookie("b612", "test-cookie").
				SetHeader("User-Agent", "starnet test"),
			want: func(resp *Response) error {
				//fmt.Println(resp.Body().String())
				if resp == nil {
					return fmt.Errorf("response is nil")
				}
				if resp.StatusCode != 200 {
					return fmt.Errorf("status code is %d", resp.StatusCode)
				}
				var reply postmanReply
				err := resp.Body().Unmarshal(&reply)
				if err != nil {
					return err
				}
				if reply.Headers["b612"] != "test-data, test-header" {
					return fmt.Errorf("header not found")
				}
				if reply.Headers["user-agent"] != "starnet test" {
					return fmt.Errorf("user-agent not found")
				}
				if reply.Headers["cookie"] != "b612=test-cookie" {
					return fmt.Errorf("cookie not found")
				}
				return nil
			},
			wantErr: false,
		},
		{
			name: "postForm",
			args: NewSimpleRequest("https://postman-echo.com/post", "POST").
				AddHeader("b612", "test-data").
				AddHeader("b612", "test-header").
				AddSimpleCookie("b612", "test-cookie").
				SetHeader("User-Agent", "starnet test").
				//SetHeader("Content-Type", "application/x-www-form-urlencoded").
				AddFormData("hello", "world").
				AddFormData("hello2", "world2").
				SetMethodNoError("POST"),
			want: func(resp *Response) error {
				//fmt.Println(resp.Body().String())
				if resp == nil {
					return fmt.Errorf("response is nil")
				}
				if resp.StatusCode != 200 {
					return fmt.Errorf("status code is %d", resp.StatusCode)
				}
				var reply postmanReply
				err := resp.Body().Unmarshal(&reply)
				if err != nil {
					return err
				}
				if reply.Headers["b612"] != "test-data, test-header" {
					return fmt.Errorf("header not found")
				}
				if reply.Headers["user-agent"] != "starnet test" {
					return fmt.Errorf("user-agent not found")
				}
				if reply.Headers["cookie"] != "b612=test-cookie" {
					return fmt.Errorf("cookie not found")
				}
				if reply.Form["hello"] != "world" {
					return fmt.Errorf("form data not found")
				}
				if reply.Form["hello2"] != "world2" {
					return fmt.Errorf("form data not found")
				}
				return nil
			},
			wantErr: false,
		},
	}
}
func TestCurl(t *testing.T) {
	for _, tt := range headerTestData() {
		t.Run(tt.name, func(t *testing.T) {
			got, err := Curl(tt.args)
			if (err != nil) != tt.wantErr {
				t.Errorf("Curl() error = %v, wantErr %v", err, tt.wantErr)
				return
			}
			if tt.want != nil {
				if err := tt.want(got); err != nil {
					t.Errorf("Curl() = %v", err)
				}
			}
		})
	}
}