export interface User {
  id: number
  name: string
  email: string
  role: 'admin' | 'staff'
}

export type CustomFieldType = 'text' | 'textarea' | 'number' | 'date' | 'select'

export interface CustomFieldDefinition {
  id: number
  label: string
  key: string
  type: CustomFieldType
  options: string[]
  is_required: boolean
  sort_order: number
}

export interface ClientCustomField {
  definition_id: number
  key: string
  label: string
  type: CustomFieldType
  options: string[]
  is_required: boolean
  value: string | null
  author_name: string | null
  updated_at: string | null
}

export interface Client {
  id: number
  client_number: string
  name: string
  notes: Record<string, string>
  custom_fields?: ClientCustomField[]
  // Present on list/search responses only.
  history_count?: number
  last_history_at?: string | null
  created_at: string
  updated_at: string
}

export interface HistoryType {
  id: number
  name: string
  requires_datetime: boolean
  sort_order: number
}

export interface HistoryEntry {
  id: number
  client_id: number
  is_field_change: boolean
  history_entry_type_id: number | null
  type_name: string | null
  requires_datetime: boolean
  occurred_at: string | null
  body: string
  custom_field_definition_id: number | null
  author_id: number
  author_name: string | null
  updated_by: number | null
  updated_by_name: string | null
  created_at: string
  updated_at: string
}

export interface ImportError {
  row: number
  client_number: string | null
  message: string
}

export interface ImportResult {
  total: number
  created: number
  updated: number
  skipped: number
  errors: ImportError[]
}

export interface PaginatedResponse<T> {
  data: T[]
  meta: {
    current_page: number
    last_page: number
    total: number
    per_page: number
  }
}