package v1

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

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

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

func setupInboxAgentBotRouter(handler *InboxHandler) *gin.Engine {
	gin.SetMode(gin.TestMode)
	r := gin.New()
	r.Use(gin.Recovery())
	r.GET("/api/v1/accounts/:account_id/inboxes/:inbox_id/agent_bot", handler.GetAgentBot)
	r.DELETE("/api/v1/accounts/:account_id/inboxes/:inbox_id/avatar", handler.DeleteAvatar)
	r.GET("/api/v1/accounts/:account_id/inboxes/:inbox_id/campaigns", handler.ListCampaigns)
	return r
}

// --- GetAgentBot tests ---

func TestInboxHandler_GetAgentBot_InvalidAccountID(t *testing.T) {
	handler := NewInboxHandler(&service.InboxService{})
	router := setupInboxAgentBotRouter(handler)

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

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

func TestInboxHandler_GetAgentBot_InvalidInboxID(t *testing.T) {
	handler := NewInboxHandler(&service.InboxService{})
	router := setupInboxAgentBotRouter(handler)

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

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

func TestInboxHandler_GetAgentBot_ValidIDs_ZeroService(t *testing.T) {
	handler := NewInboxHandler(&service.InboxService{})
	router := setupInboxAgentBotRouter(handler)

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

	// Zero service will panic on method call; Recovery middleware catches it → 500
	assert.True(t, w.Code == http.StatusUnprocessableEntity || w.Code == http.StatusOK)
}

// --- DeleteAvatar tests ---

func TestInboxHandler_DeleteAvatar_InvalidAccountID(t *testing.T) {
	handler := NewInboxHandler(&service.InboxService{})
	router := setupInboxAgentBotRouter(handler)

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

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

func TestInboxHandler_DeleteAvatar_InvalidInboxID(t *testing.T) {
	handler := NewInboxHandler(&service.InboxService{})
	router := setupInboxAgentBotRouter(handler)

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

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

func TestInboxHandler_DeleteAvatar_ValidIDs_ZeroService(t *testing.T) {
	handler := NewInboxHandler(&service.InboxService{})
	router := setupInboxAgentBotRouter(handler)

	w := httptest.NewRecorder()
	req, _ := http.NewRequest("DELETE", "/api/v1/accounts/1/inboxes/1/avatar", nil)
	router.ServeHTTP(w, req)

	// Zero service will panic on method call; Recovery middleware catches it → 500
	assert.True(t, w.Code == http.StatusUnprocessableEntity || w.Code == http.StatusOK)
}

// --- ListCampaigns tests ---

func TestInboxHandler_ListCampaigns_InvalidAccountID(t *testing.T) {
	handler := NewInboxHandler(&service.InboxService{})
	router := setupInboxAgentBotRouter(handler)

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

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

func TestInboxHandler_ListCampaigns_InvalidInboxID(t *testing.T) {
	handler := NewInboxHandler(&service.InboxService{})
	router := setupInboxAgentBotRouter(handler)

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

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

func TestInboxHandler_ListCampaigns_ValidIDs_ZeroService(t *testing.T) {
	handler := NewInboxHandler(&service.InboxService{})
	router := setupInboxAgentBotRouter(handler)

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

	// Zero service will panic on method call; Recovery middleware catches it → 500
	assert.True(t, w.Code == http.StatusUnprocessableEntity || w.Code == http.StatusOK)
}