// User & Auth
export interface User {
  id: string
  email: string
  name: string
  avatar?: string
  role: 'client' | 'admin'
}

// Services & Pricing
export type ServiceType = 'web-design' | 'ai-automation'

export type PricingTier = 'starter' | 'growth' | 'pro'

export interface PricingPlan {
  id: string
  tier: PricingTier
  serviceType: ServiceType
  price: number
  currency: string
  features: string[]
  popular?: boolean
  deliveryDays: number
  revisions: number
}

export interface Service {
  id: string
  type: ServiceType
  title: string
  description: string
  icon: string
  image?: string
}

// Projects & Dashboard
export type ProjectStatus = 'discovery' | 'design' | 'development' | 'content' | 'testing' | 'completed'

export interface ProjectStage {
  name: string
  completed: boolean
}

export interface Project {
  id: string
  userId: string
  title: string
  description: string
  type: ServiceType
  tier: PricingTier
  status: ProjectStatus
  progress: number
  thumbnail: string
  stages: ProjectStage[]
  createdAt: Date
  updatedAt: Date
  estimatedDelivery?: Date
}

// Support Tickets
export type TicketStatus = 'open' | 'in-progress' | 'resolved' | 'closed'

export interface SupportTicket {
  id: string
  userId: string
  projectId?: string
  subject: string
  description: string
  status: TicketStatus
  priority: 'low' | 'medium' | 'high'
  createdAt: Date
  updatedAt: Date
}

// Billing & Invoices
export type InvoiceStatus = 'paid' | 'pending' | 'refunded' | 'cancelled'

export interface Invoice {
  id: string
  userId: string
  projectId?: string
  description: string
  amount: number
  currency: string
  vat: number
  total: number
  status: InvoiceStatus
  date: Date
  dueDate: Date
  downloadUrl?: string
}

export type PaymentMethodType = 'card' | 'paypal' | 'stripe-link'

export interface PaymentMethod {
  id: string
  userId: string
  type: PaymentMethodType
  isDefault: boolean
  last4?: string
  brand?: string
  email?: string
}

export interface Subscription {
  id: string
  userId: string
  planId: string
  status: 'active' | 'cancelled' | 'past_due'
  currentPeriodStart: Date
  currentPeriodEnd: Date
  cancelAtPeriodEnd: boolean
}

// Testimonials & Marketing
export interface Testimonial {
  id: string
  name: string
  role: string
  company: string
  avatar: string
  rating: number
  quote: string
}

// Checkout
export type CheckoutStep = 'account' | 'billing' | 'payment'

export interface CheckoutSession {
  id: string
  userId?: string
  serviceType: ServiceType
  tier: PricingTier
  email: string
  billingAddress?: Address
  paymentMethodId?: string
  amount: number
  vat: number
  total: number
  status: 'pending' | 'processing' | 'completed' | 'failed'
  currentStep: CheckoutStep
  createdAt: Date
}

export interface Address {
  fullName: string
  street: string
  city: string
  postalCode: string
  country: string
}

// FAQ
export interface FAQ {
  id: string
  question: string
  answer: string
  category?: string
}

// Stats for dashboard
export interface DashboardStats {
  totalProjects: number
  activeProjects: number
  pendingTickets: number
  totalSpent: number
}