package v1

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

	"github.com/gin-gonic/gin"
	"github.com/stretchr/testify/assert"

	"github.com/gochat/gochat/internal/service"
)

func setupContactRouter(handler *ContactHandler) *gin.Engine {
	gin.SetMode(gin.TestMode)
	router := gin.New()
	router.GET("/api/v1/accounts/:id/contacts", handler.List)
	router.GET("/api/v1/accounts/:id/contacts/:contact_id", handler.Get)
	router.POST("/api/v1/accounts/:id/contacts", handler.Create)
	router.PUT("/api/v1/accounts/:id/contacts/:contact_id", handler.Update)
	router.DELETE("/api/v1/accounts/:id/contacts/:contact_id", handler.Delete)
	router.GET("/api/v1/accounts/:id/contacts/search", handler.Search)
	return router
}

func TestContactListBadAccountID(t *testing.T) {
	handler := NewContactHandler(&service.ContactService{}, &service.ContactInboxService{})
	router := setupContactRouter(handler)

	w := httptest.NewRecorder()
	req, _ := http.NewRequest("GET", "/api/v1/accounts/abc/contacts", nil)
	router.ServeHTTP(w, req)

	assert.Equal(t, http.StatusBadRequest, w.Code)
	var resp map[string]interface{}
	json.Unmarshal(w.Body.Bytes(), &resp)
	assert.Contains(t, resp, "error")
}

func TestContactGetBadAccountID(t *testing.T) {
	handler := NewContactHandler(&service.ContactService{}, &service.ContactInboxService{})
	router := setupContactRouter(handler)

	w := httptest.NewRecorder()
	req, _ := http.NewRequest("GET", "/api/v1/accounts/abc/contacts/1", nil)
	router.ServeHTTP(w, req)

	assert.Equal(t, http.StatusBadRequest, w.Code)
}

func TestContactGetBadContactID(t *testing.T) {
	handler := NewContactHandler(&service.ContactService{}, &service.ContactInboxService{})
	router := setupContactRouter(handler)

	w := httptest.NewRecorder()
	req, _ := http.NewRequest("GET", "/api/v1/accounts/1/contacts/abc", nil)
	router.ServeHTTP(w, req)

	assert.Equal(t, http.StatusBadRequest, w.Code)
}

func TestContactCreateBadAccountID(t *testing.T) {
	handler := NewContactHandler(&service.ContactService{}, &service.ContactInboxService{})
	router := setupContactRouter(handler)

	w := httptest.NewRecorder()
	req, _ := http.NewRequest("POST", "/api/v1/accounts/abc/contacts", nil)
	router.ServeHTTP(w, req)

	assert.Equal(t, http.StatusBadRequest, w.Code)
}

func TestContactUpdateBadIDs(t *testing.T) {
	handler := NewContactHandler(&service.ContactService{}, &service.ContactInboxService{})
	router := setupContactRouter(handler)

	// Bad account ID
	w := httptest.NewRecorder()
	req, _ := http.NewRequest("PUT", "/api/v1/accounts/abc/contacts/1", nil)
	router.ServeHTTP(w, req)
	assert.Equal(t, http.StatusBadRequest, w.Code)

	// Bad contact ID
	w2 := httptest.NewRecorder()
	req2, _ := http.NewRequest("PUT", "/api/v1/accounts/1/contacts/abc", nil)
	router.ServeHTTP(w2, req2)
	assert.Equal(t, http.StatusBadRequest, w2.Code)
}

func TestContactDeleteBadIDs(t *testing.T) {
	handler := NewContactHandler(&service.ContactService{}, &service.ContactInboxService{})
	router := setupContactRouter(handler)

	// Bad account ID
	w := httptest.NewRecorder()
	req, _ := http.NewRequest("DELETE", "/api/v1/accounts/abc/contacts/1", nil)
	router.ServeHTTP(w, req)
	assert.Equal(t, http.StatusBadRequest, w.Code)

	// Bad contact ID
	w2 := httptest.NewRecorder()
	req2, _ := http.NewRequest("DELETE", "/api/v1/accounts/1/contacts/abc", nil)
	router.ServeHTTP(w2, req2)
	assert.Equal(t, http.StatusBadRequest, w2.Code)
}

func TestContactSearchBadAccountID(t *testing.T) {
	handler := NewContactHandler(&service.ContactService{}, &service.ContactInboxService{})
	router := setupContactRouter(handler)

	w := httptest.NewRecorder()
	req, _ := http.NewRequest("GET", "/api/v1/accounts/abc/contacts/search?q=test", nil)
	router.ServeHTTP(w, req)

	assert.Equal(t, http.StatusBadRequest, w.Code)
}