// Domain models based on the Game Plan

// FIX: Added PageComponent types and updated Business interface for website editor feature.
export type PageComponentType = 'HEADING' | 'TEXT' | 'IMAGE' | 'BUTTON' | 'SERVICE' | 'COLUMNS';

export interface PageComponent {
  id: string;
  type: PageComponentType;
  content?: {
    text?: string;
    level?: 1 | 2 | 3;
    src?: string;
    alt?: string;
    buttonText?: string;
    href?: string;
    serviceId?: string;
  };
  children?: PageComponent[][];
}

export interface CustomDomain {
  id: number;
  domain: string;
  is_verified: boolean;
  ssl_provisioned: boolean;
  is_primary: boolean;
  verification_token: string;
  dns_txt_record: string;
  dns_txt_record_name: string;
  created_at: string;
  verified_at?: string;
}

export interface PlanPermissions {
  sms_reminders: boolean;
  webhooks: boolean;
  api_access: boolean;
  custom_domain: boolean;
  white_label: boolean;
  custom_oauth: boolean;
  plugins: boolean;
  can_create_plugins: boolean;
  tasks: boolean;
  export_data: boolean;
  video_conferencing: boolean;
  two_factor_auth: boolean;
  masked_calling: boolean;
  pos_system: boolean;
  mobile_app: boolean;
  contracts: boolean;
}

export interface Business {
  id: string;
  name: string;
  subdomain: string;
  primaryColor: string;
  secondaryColor: string;
  logoUrl?: string;
  emailLogoUrl?: string;
  logoDisplayMode?: 'logo-only' | 'text-only' | 'logo-and-text'; // How to display branding
  timezone?: string; // IANA timezone (e.g., 'America/New_York')
  timezoneDisplayMode?: 'business' | 'viewer'; // How times are displayed to users
  whitelabelEnabled: boolean;
  plan?: 'Free' | 'Professional' | 'Business' | 'Enterprise';
  status?: 'Active' | 'Suspended' | 'Trial';
  joinedAt?: Date;
  resourcesCanReschedule?: boolean;
  paymentsEnabled: boolean;
  requirePaymentMethodToBook: boolean;
  cancellationWindowHours: number;
  lateCancellationFeePercent: number;
  initialSetupComplete?: boolean;
  customDomain?: string;
  customDomainVerified?: boolean;
  bookingReturnUrl?: string; // URL to redirect customers after booking completion
  stripeConnectAccountId?: string;
  websitePages?: Record<string, { name: string; content: PageComponent[] }>;
  customerDashboardContent?: PageComponent[];
  // Booking page customization
  serviceSelectionHeading?: string; // Custom heading for service selection (default: "Choose your experience")
  serviceSelectionSubheading?: string; // Custom subheading (default: "Select a service to begin your booking.")
  trialStart?: string;
  trialEnd?: string;
  isTrialActive?: boolean;
  isTrialExpired?: boolean;
  daysLeftInTrial?: number;
  resourceTypes?: ResourceTypeDefinition[]; // Custom resource types
  // Platform-controlled permissions
  canManageOAuthCredentials?: boolean;
  // Plan permissions (what features are available based on subscription)
  planPermissions?: PlanPermissions;
}

export type UserRole = 'superuser' | 'platform_manager' | 'platform_support' | 'owner' | 'manager' | 'staff' | 'resource' | 'customer';

export interface NotificationPreferences {
  email: boolean;
  sms: boolean;
  in_app: boolean;
  appointment_reminders: boolean;
  marketing: boolean;
}

export interface QuotaOverage {
  id: number;
  quota_type: string;
  display_name: string;
  current_usage: number;
  allowed_limit: number;
  overage_amount: number;
  days_remaining: number;
  grace_period_ends_at: string;
}

export interface User {
  id: string | number;
  username?: string;
  name: string;
  email: string;
  role: UserRole;
  avatarUrl?: string;
  phone?: string;
  email_verified?: boolean;
  two_factor_enabled?: boolean;
  timezone?: string;
  locale?: string;
  notification_preferences?: NotificationPreferences;
  can_invite_staff?: boolean;
  can_access_tickets?: boolean;
  can_send_messages?: boolean;
  can_edit_schedule?: boolean;
  linked_resource_id?: number;
  linked_resource_name?: string;
  permissions?: Record<string, boolean>;
  quota_overages?: QuotaOverage[];
}

export type ResourceType = 'STAFF' | 'ROOM' | 'EQUIPMENT';

export type ResourceTypeCategory = 'STAFF' | 'OTHER';

export interface ResourceTypeDefinition {
  id: string;
  name: string; // User-facing name like "Stylist", "Massage Therapist", "Treatment Room"
  description?: string; // Description of this resource type
  category: ResourceTypeCategory; // STAFF (requires staff assignment) or OTHER
  isDefault: boolean; // Cannot be deleted
  iconName?: string; // Optional icon identifier
}

export interface Resource {
  id: string;
  name: string;
  type: ResourceType; // Legacy field - will be deprecated
  typeId?: string; // New field - references ResourceTypeDefinition
  userId?: string;
  maxConcurrentEvents: number;
  savedLaneCount?: number; // Remembered lane count when multilane is disabled
  created_at?: string; // Used for quota overage calculation (oldest archived first)
  is_archived_by_quota?: boolean; // True if archived due to quota overage
  userCanEditSchedule?: boolean; // Allow linked user to edit their schedule regardless of role
}

// Backend uses: SCHEDULED, EN_ROUTE, IN_PROGRESS, CANCELED, COMPLETED, AWAITING_PAYMENT, PAID, NOSHOW
// Frontend aliases: PENDING (for SCHEDULED), CONFIRMED (for SCHEDULED), CANCELLED (for CANCELED), NO_SHOW (for NOSHOW)
export type AppointmentStatus =
  | 'SCHEDULED' | 'EN_ROUTE' | 'IN_PROGRESS' | 'CANCELED' | 'COMPLETED' | 'AWAITING_PAYMENT' | 'PAID' | 'NOSHOW'
  // Legacy aliases for frontend compatibility
  | 'PENDING' | 'CONFIRMED' | 'CANCELLED' | 'NO_SHOW';

export interface Appointment {
  id: string;
  resourceId: string | null; // null if unassigned
  customerId?: string; // optional for walk-in appointments
  customerName: string;
  serviceId: string;
  startTime: Date; // For MVP, we will assume a specific date
  durationMinutes: number;
  status: AppointmentStatus;
  notes?: string;
}

export interface Blocker {
  id: string;
  resourceId: string;
  startTime: Date;
  durationMinutes: number;
  title: string;
}

export interface PaymentMethod {
  id: string;
  brand: 'Visa' | 'Mastercard' | 'Amex';
  last4: string;
  isDefault: boolean;
}


export interface Customer {
  id: string;
  name: string;
  email: string;
  phone: string;
  city?: string;
  state?: string;
  zip?: string;
  totalSpend: number;
  lastVisit: Date | null;
  status: 'Active' | 'Inactive' | 'Blocked';
  avatarUrl?: string;
  tags?: string[];
  userId?: string;
  paymentMethods: PaymentMethod[];
}

export interface Service {
  id: string;
  name: string;
  durationMinutes: number;
  duration?: number; // Duration in minutes (backend field name)
  price: number;
  price_cents?: number; // Price in cents
  description: string;
  displayOrder: number;
  display_order?: number;
  photos?: string[];
  is_active?: boolean;
  created_at?: string; // Used for quota overage calculation (oldest archived first)
  updated_at?: string;
  is_archived_by_quota?: boolean; // True if archived due to quota overage

  // Pricing fields
  variable_pricing?: boolean; // If true, final price is determined after service completion
  deposit_amount?: number | null; // Fixed deposit amount in dollars
  deposit_amount_cents?: number | null; // Fixed deposit amount in cents
  deposit_percent?: number | null; // Deposit as percentage (only for fixed pricing)
  requires_deposit?: boolean; // True if deposit configured (computed)
  requires_saved_payment_method?: boolean; // True if deposit > 0 or variable pricing (computed)
  deposit_display?: string | null; // Human-readable deposit description

  // Resource assignment
  all_resources?: boolean;
  resource_ids?: string[];
  resource_names?: string[];

  // Buffer time (frontend-only for now)
  prep_time?: number;
  takedown_time?: number;

  // Notification settings (frontend-only for now)
  reminder_enabled?: boolean;
  reminder_hours_before?: number;
  reminder_email?: boolean;
  reminder_sms?: boolean;
  thank_you_email_enabled?: boolean;

  // Category (future feature)
  category?: string | null;
}

export interface Metric {
  label: string;
  value: string;
  change: string;
  trend: 'up' | 'down' | 'neutral';
}

// --- Platform Types ---

export type TicketType = 'PLATFORM' | 'CUSTOMER' | 'STAFF_REQUEST' | 'INTERNAL';
export type TicketStatus = 'OPEN' | 'IN_PROGRESS' | 'RESOLVED' | 'CLOSED' | 'AWAITING_RESPONSE';
export type TicketPriority = 'LOW' | 'MEDIUM' | 'HIGH' | 'URGENT';
export type TicketCategory =
  | 'BILLING'
  | 'TECHNICAL'
  | 'FEATURE_REQUEST'
  | 'ACCOUNT'
  | 'APPOINTMENT'
  | 'REFUND'
  | 'COMPLAINT'
  | 'GENERAL_INQUIRY'
  | 'TIME_OFF'
  | 'SCHEDULE_CHANGE'
  | 'EQUIPMENT'
  | 'OTHER';

export interface TicketComment {
  id: string;
  ticket: string; // Ticket ID
  author: string; // User ID
  authorEmail: string;
  authorFullName: string;
  commentText: string;
  createdAt: string; // Date string
  isInternal: boolean;
}

export interface TicketEmailAddressListItem {
  id: number;
  display_name: string;
  email_address: string;
  color: string;
  is_active: boolean;
  is_default: boolean;
}

export interface Ticket {
  id: string;
  tenant?: string; // Tenant ID, optional for platform tickets
  creator: string; // User ID
  creatorEmail: string;
  creatorFullName: string;
  assignee?: string; // User ID, optional
  assigneeEmail?: string;
  assigneeFullName?: string;
  ticketType: TicketType;
  status: TicketStatus;
  priority: TicketPriority;
  subject: string;
  description: string;
  category: TicketCategory;
  relatedAppointmentId?: string; // Appointment ID, optional
  dueAt?: string; // Date string
  firstResponseAt?: string; // Date string
  isOverdue?: boolean;
  createdAt: string; // Date string
  updatedAt: string; // Date string
  resolvedAt?: string; // Date string
  comments?: TicketComment[]; // Nested comments
  // External sender info (for tickets from non-registered users via email)
  externalEmail?: string;
  externalName?: string;
  // Source email address (which email address received/sent this ticket)
  source_email_address?: TicketEmailAddressListItem;
}

export interface TicketTemplate {
  id: string;
  tenant?: string; // Tenant ID, optional for platform templates
  name: string;
  description: string;
  ticketType: TicketType;
  category: TicketCategory;
  defaultPriority: TicketPriority;
  subjectTemplate: string;
  descriptionTemplate: string;
  isActive: boolean;
  createdAt: string; // Date string
}

export interface CannedResponse {
  id: string;
  tenant?: string; // Tenant ID, optional for platform canned responses
  title: string;
  content: string;
  category?: TicketCategory;
  isActive: boolean;
  useCount: number;
  createdBy?: string; // User ID
  createdAt: string; // Date string
}

export interface PlatformMetric {
  label: string;
  value: string;
  change: string;
  trend: 'up' | 'down' | 'neutral';
  color: 'blue' | 'green' | 'purple' | 'orange';
}

// --- OAuth Settings Types ---

export interface OAuthProvider {
  id: string;
  name: string;
  icon: string;
  description: string;
}

export interface BusinessOAuthSettings {
  enabledProviders: string[];
  allowRegistration: boolean;
  autoLinkByEmail: boolean;
  useCustomCredentials: boolean;
}

export interface BusinessOAuthSettingsResponse {
  settings: BusinessOAuthSettings;
  availableProviders: OAuthProvider[];
}

// --- OAuth Credentials Types ---

export interface OAuthProviderCredential {
  client_id: string;
  client_secret: string;
  has_secret: boolean;
}

export interface BusinessOAuthCredentialsResponse {
  credentials: Record<string, OAuthProviderCredential>;
  useCustomCredentials: boolean;
}

// --- Plugin Types ---

export type PluginCategory = 'EMAIL' | 'REPORTS' | 'CUSTOMER' | 'BOOKING' | 'INTEGRATION' | 'AUTOMATION' | 'OTHER';

export interface PluginTemplate {
  id: string;
  name: string;
  description: string;
  category: PluginCategory;
  version: string;
  author: string;
  logoUrl?: string;
  pluginCode?: string;
  rating: number;
  ratingCount: number;
  installCount: number;
  isVerified: boolean;
  isFeatured: boolean;
  createdAt: string;
  updatedAt: string;
}

export interface PluginInstallation {
  id: string;
  template: string;
  templateName: string;
  templateDescription: string;
  category: PluginCategory;
  version: string;
  authorName?: string;
  logoUrl?: string;
  templateVariables?: Record<string, any>;
  configValues?: Record<string, any>;
  isActive: boolean;
  installedAt: string;
  hasUpdate: boolean;
  rating?: number;
  review?: string;
  scheduledTaskId?: string;
}

// --- Email Template Types ---

export type EmailTemplateScope = 'BUSINESS' | 'PLATFORM';

export type EmailTemplateCategory =
  | 'APPOINTMENT'
  | 'REMINDER'
  | 'CONFIRMATION'
  | 'MARKETING'
  | 'NOTIFICATION'
  | 'REPORT'
  | 'OTHER';

export interface EmailTemplate {
  id: string;
  name: string;
  description: string;
  subject: string;
  htmlContent: string;
  textContent: string;
  scope: EmailTemplateScope;
  isDefault: boolean;
  category: EmailTemplateCategory;
  previewContext?: Record<string, any>;
  createdBy?: number;
  createdByName?: string;
  createdAt: string;
  updatedAt: string;
}

export interface EmailTemplatePreview {
  subject: string;
  htmlContent: string;
  textContent: string;
  forceFooter: boolean;
}

export interface EmailTemplateVariable {
  code: string;
  description: string;
}

export interface EmailTemplateVariableGroup {
  category: string;
  items: EmailTemplateVariable[];
}

// --- Contract Types ---

export type ContractScope = 'CUSTOMER' | 'APPOINTMENT';
export type ContractStatus = 'PENDING' | 'SIGNED' | 'EXPIRED' | 'VOIDED';
export type ContractTemplateStatus = 'DRAFT' | 'ACTIVE' | 'ARCHIVED';

export interface ContractTemplate {
  id: string;
  name: string;
  description: string;
  content: string;
  scope: ContractScope;
  status: ContractTemplateStatus;
  expires_after_days: number | null;
  version: number;
  version_notes: string;
  services: { id: string; name: string }[];
  created_by: string | null;
  created_by_name: string | null;
  created_at: string;
  updated_at: string;
}

export interface Contract {
  id: string;
  template: string;
  template_name: string;
  template_version: number;
  scope: ContractScope;
  status: ContractStatus;
  content: string;
  customer?: string;
  customer_name?: string;
  customer_email?: string;
  appointment?: string;
  appointment_service_name?: string;
  appointment_start_time?: string;
  service?: string;
  service_name?: string;
  sent_at: string | null;
  signed_at: string | null;
  expires_at: string | null;
  voided_at: string | null;
  voided_reason: string | null;
  public_token: string;
  created_at: string;
  updated_at: string;
}

export interface ContractSignature {
  id: string;
  contract: string;
  signer_name: string;
  signer_email: string;
  signature_data: string;
  ip_address: string;
  user_agent: string;
  signed_at: string;
}

export interface ContractPublicView {
  contract: Contract;
  template: {
    name: string;
    content: string;
  };
  business: {
    name: string;
    logo_url?: string;
  };
  customer?: {
    name: string;
    email: string;
  };
  appointment?: {
    service_name: string;
    start_time: string;
  };
  is_expired: boolean;
  can_sign: boolean;
  signature?: ContractSignature;
}

// --- Time Blocking Types ---

export type BlockType = 'HARD' | 'SOFT';
export type BlockPurpose = 'CLOSURE' | 'UNAVAILABLE' | 'BUSINESS_HOURS' | 'OTHER';
export type RecurrenceType = 'NONE' | 'WEEKLY' | 'MONTHLY' | 'YEARLY' | 'HOLIDAY';
export type TimeBlockLevel = 'business' | 'resource';

export type HolidayType = 'FIXED' | 'FLOATING' | 'CALCULATED';

export interface Holiday {
  code: string;
  name: string;
  country: string;
  holiday_type?: HolidayType;
  month?: number;
  day?: number;
  week_of_month?: number;
  day_of_week?: number;
  calculation_rule?: string;
  is_active?: boolean;
  next_occurrence?: string; // ISO date string
}

export interface RecurrencePattern {
  days_of_week?: number[]; // 0=Mon, 6=Sun (for WEEKLY)
  days_of_month?: number[]; // 1-31 (for MONTHLY)
  month?: number; // 1-12 (for YEARLY)
  day?: number; // 1-31 (for YEARLY)
  holiday_code?: string; // holiday code (for HOLIDAY)
}

export interface TimeBlock {
  id: string;
  title: string;
  description?: string;
  resource?: string | null; // Resource ID or null for business-level
  resource_name?: string;
  level: TimeBlockLevel;
  block_type: BlockType;
  purpose: BlockPurpose;
  recurrence_type: RecurrenceType;
  start_date?: string; // ISO date string (for NONE type)
  end_date?: string; // ISO date string (for NONE type)
  all_day: boolean;
  start_time?: string; // HH:MM:SS (if not all_day)
  end_time?: string; // HH:MM:SS (if not all_day)
  recurrence_pattern?: RecurrencePattern;
  pattern_display?: string; // Human-readable pattern description
  holiday_name?: string; // Holiday name if HOLIDAY type
  recurrence_start?: string; // ISO date string
  recurrence_end?: string; // ISO date string
  is_active: boolean;
  created_by?: string;
  created_by_name?: string;
  conflict_count?: number;
  created_at: string;
  updated_at?: string;
}

export type ApprovalStatus = 'APPROVED' | 'PENDING' | 'DENIED';

export interface TimeBlockListItem {
  id: string;
  title: string;
  description?: string;
  resource?: string | null;
  resource_name?: string;
  level: TimeBlockLevel;
  block_type: BlockType;
  purpose: BlockPurpose;
  recurrence_type: RecurrenceType;
  start_date?: string;
  end_date?: string;
  all_day?: boolean;
  start_time?: string;
  end_time?: string;
  recurrence_pattern?: RecurrencePattern;
  recurrence_start?: string;
  recurrence_end?: string;
  pattern_display?: string;
  is_active: boolean;
  created_at: string;
  approval_status?: ApprovalStatus;
  reviewed_by?: number;
  reviewed_by_name?: string;
  reviewed_at?: string;
  review_notes?: string;
  created_by_name?: string;
}

export interface BlockedDate {
  date: string; // ISO date string
  block_type: BlockType;
  purpose: BlockPurpose;
  title: string;
  resource_id: string | null;
  all_day: boolean;
  start_time: string | null;
  end_time: string | null;
  time_block_id: string;
}

export interface TimeBlockConflict {
  event_id: string;
  title: string;
  start_time: string;
  end_time: string;
}

export interface TimeBlockConflictCheck {
  has_conflicts: boolean;
  conflict_count: number;
  conflicts: TimeBlockConflict[];
}

export interface MyBlocksResponse {
  business_blocks: TimeBlockListItem[];
  my_blocks: TimeBlockListItem[];
  resource_id: string | null;
  resource_name: string | null;
  can_self_approve: boolean;
}