package user_test

import (
	"bytes"
	"encoding/json"
	"net/http"
	"testing"

	"github.com/stretchr/testify/assert"
	"github.com/yaoapp/yao/openapi"
	"github.com/yaoapp/yao/openapi/tests/testutils"
)

func TestUserLogin(t *testing.T) {
	// Initialize test environment
	serverURL := testutils.Prepare(t)
	defer testutils.Clean()

	// Get base URL from server config
	baseURL := ""
	if openapi.Server != nil && openapi.Server.Config != nil {
		baseURL = openapi.Server.Config.BaseURL
	}

	// Register a test client first (needed for user.Load validation)
	testClient := testutils.RegisterTestClient(t, "User Login Test Client", []string{"https://localhost/callback"})
	defer testutils.CleanupTestClient(t, testClient.ClientID)

	// Note: user.Load is automatically called by openapi.Load in testutils.Prepare

	// Test entry endpoint (unified login/register, currently empty implementation)
	testCases := []struct {
		name       string
		method     string
		endpoint   string
		body       map[string]interface{}
		expectCode int
	}{
		{
			"post entry without credentials",
			"POST",
			"/user/entry",
			map[string]interface{}{},
			200, // Currently empty implementation, may change when implemented
		},
		{
			"post entry with credentials",
			"POST",
			"/user/entry",
			map[string]interface{}{
				"username": "testuser",
				"password": "testpass",
			},
			200, // Currently empty implementation, may change when implemented
		},
		{
			"post entry with email",
			"POST",
			"/user/entry",
			map[string]interface{}{
				"email":    "test@example.com",
				"password": "testpass",
			},
			200, // Currently empty implementation, may change when implemented
		},
	}

	for _, tc := range testCases {
		t.Run(tc.name, func(t *testing.T) {
			requestURL := serverURL + baseURL + tc.endpoint

			// Prepare request body
			var req *http.Request
			var err error

			if tc.method == "POST" {
				bodyBytes, _ := json.Marshal(tc.body)
				req, err = http.NewRequest(tc.method, requestURL, bytes.NewBuffer(bodyBytes))
				req.Header.Set("Content-Type", "application/json")
			} else {
				req, err = http.NewRequest(tc.method, requestURL, nil)
			}

			assert.NoError(t, err, "Should create HTTP request")

			client := &http.Client{}
			resp, err := client.Do(req)
			assert.NoError(t, err, "HTTP request should succeed")

			if resp != nil {
				defer resp.Body.Close()
				assert.Equal(t, tc.expectCode, resp.StatusCode, "Expected status code %d", tc.expectCode)

				t.Logf("Login test %s: status=%d", tc.name, resp.StatusCode)

				// Note: Since login is currently not implemented (empty function),
				// we can't test actual login functionality yet.
				// This test serves as a placeholder for when login is implemented.
			}
		})
	}
}

func TestUserLoginValidation(t *testing.T) {
	// Initialize test environment
	serverURL := testutils.Prepare(t)
	defer testutils.Clean()

	// Get base URL from server config
	baseURL := ""
	if openapi.Server != nil && openapi.Server.Config != nil {
		baseURL = openapi.Server.Config.BaseURL
	}

	// Note: user.Load is automatically called by openapi.Load in testutils.Prepare

	// Test various login validation scenarios
	// Note: These tests are prepared for when login validation is implemented
	testCases := []struct {
		name     string
		body     map[string]interface{}
		expected string // Expected behavior description
	}{
		{
			"empty credentials",
			map[string]interface{}{},
			"Should handle empty credentials gracefully",
		},
		{
			"missing password",
			map[string]interface{}{
				"username": "testuser",
			},
			"Should handle missing password",
		},
		{
			"missing username",
			map[string]interface{}{
				"password": "testpass",
			},
			"Should handle missing username",
		},
		{
			"invalid json format",
			nil, // Will send invalid JSON
			"Should handle invalid JSON format",
		},
	}

	for _, tc := range testCases {
		t.Run(tc.name, func(t *testing.T) {
			requestURL := serverURL + baseURL + "/user/entry"

			var req *http.Request
			var err error

			if tc.body == nil {
				// Send invalid JSON
				req, err = http.NewRequest("POST", requestURL, bytes.NewBufferString("invalid json"))
			} else {
				bodyBytes, _ := json.Marshal(tc.body)
				req, err = http.NewRequest("POST", requestURL, bytes.NewBuffer(bodyBytes))
			}

			req.Header.Set("Content-Type", "application/json")
			assert.NoError(t, err, "Should create HTTP request")

			client := &http.Client{}
			resp, err := client.Do(req)
			assert.NoError(t, err, "HTTP request should succeed")

			if resp != nil {
				defer resp.Body.Close()
				t.Logf("Validation test %s: status=%d, expected=%s", tc.name, resp.StatusCode, tc.expected)

				// Note: Since login validation is not implemented yet,
				// we can't assert specific status codes.
				// These tests will be updated when login is implemented.
			}
		})
	}
}