package handlers

import (
	"database/sql"
	"time"

	"go-crm/internal/whatsapp"
	"go-crm/pkg/usecase"
)

// App holds the application dependencies injected at startup.
// All handler methods live on *App, eliminating package-level global state.
type App struct {
	DB          *sql.DB
	LeadService *usecase.LeadService
	WAConnector whatsapp.Connector
}

// NewApp constructs an App with the given database, lead service, and WhatsApp connector.
func NewApp(db *sql.DB, leadSvc *usecase.LeadService, wa whatsapp.Connector) *App {
	return &App{DB: db, LeadService: leadSvc, WAConnector: wa}
}

// WAConnector is a package-level global kept for backward-compat with existing tests.
// New code should use App.WAConnector via NewApp.
var WAConnector whatsapp.Connector

// SetupHandlers is kept for backward compatibility with existing tests.
// New code should use NewApp directly.
func SetupHandlers(db *sql.DB, wa whatsapp.Connector) {
	DB = db
	WAConnector = wa
}

func getCurrentTimestamp() int64 {
	return time.Now().Unix()
}