// @proposal-system/api-contracts — single source of truth for API wire types.
// Fix: WEB-M5 — web and mobile both import these; shapes mirror the .NET DTOs
// in api/src/ProposalSystem.Application/DTOs/ (JsonStringEnumConverter → string
// enums, Guid → string, DateTime → ISO string, decimal → number).
// Runtime validation schemas live in ./schemas (separate entrypoint so
// consumers that only need types never pull zod).

// ── Enums (string over the wire) ──────────────────────────────────────────
export type ProposalStatus = 'Draft' | 'InReview' | 'Approved' | 'Sent' | 'Revised';
export type ServiceCategory = 'HVAC' | 'Plumbing' | 'Electrical' | 'General' | 'Renovation' | 'Other';
export type Priority = 'Standard' | 'Urgent' | 'Emergency';
export type LineItemSource = 'AI' | 'Vendor' | 'Manual' | 'Historical';
export type PricingMode = 'UnitPrice' | 'TotalPrice' | 'Both';
export type UserRole = 'Dispatcher' | 'Admin' | 'SysAdmin';

// ── Shared envelopes ──────────────────────────────────────────────────────
export interface PagedResponse<T> {
  items: T[];
  totalCount: number;
  page: number;
  pageSize: number;
}

// ── Proposals (ProposalDtos.cs) ───────────────────────────────────────────
export interface ProposalListItem {
  id: string;
  proposalNumber: string;
  customerName: string;
  workOrderNumber: string;
  serviceCategory: ServiceCategory;
  priority: Priority;
  status: ProposalStatus;
  totalBidAmount: number;
  submittedAt: string;
  submittedByName: string | null;
  assignedAdminName: string | null;
}

export interface ProposalDetail {
  id: string;
  proposalNumber: string;
  workOrderNumber: string;
  poNumber: string | null;
  customerName: string;
  customerAddress: string;
  scopeOfWork: string;
  refinedScope: string | null;
  serviceCategory: ServiceCategory;
  priority: Priority;
  status: ProposalStatus;
  totalBidAmount: number;
  vendorTotalCost: number | null;
  notes: string;
  submittedById: string;
  submittedByName: string | null;
  submittedAt: string;
  assignedAdminId: string | null;
  approvedById: string | null;
  approvedAt: string | null;
  sentAt: string | null;
  currentRevision: number;
  parentProposalId: string | null;
  createdAt: string;
  updatedAt: string;
}

export interface CreateProposalRequest {
  workOrderNumber: string;
  poNumber?: string;
  customerName: string;
  customerAddress: string;
  scopeOfWork: string;
  serviceCategory: ServiceCategory;
  priority: Priority;
  notes?: string;
}

export interface UpdateProposalRequest {
  refinedScope?: string;
  notes?: string;
  poNumber?: string;
  workOrderNumber?: string;
  assignedAdminId?: string;
}

export interface ProposalFilters {
  search?: string;
  page?: number;
  pageSize?: number;
  status?: string;
  serviceCategory?: string;
  priority?: string;
  fromDate?: string;
  toDate?: string;
  mine?: boolean;
}

export interface ProposalStats {
  totalCount: number;
  inReviewCount: number;
  approvedCount: number;
  sentCount: number;
}

// ── Line items (LineItemDtos.cs) ──────────────────────────────────────────
export interface LineItem {
  id: string;
  proposalId: string;
  description: string;
  quantity: number;
  unit: string;
  unitPrice: number | null;
  totalPrice: number;
  pricingMode: PricingMode;
  sortOrder: number;
  source: LineItemSource;
  createdAt: string;
  updatedAt: string;
}

export interface CreateLineItemRequest {
  description: string;
  quantity: number;
  unit: string;
  unitPrice: number | null;
  totalPrice: number;
  pricingMode: PricingMode;
  sortOrder: number;
  source: LineItemSource;
}

export interface UpdateLineItemEntry {
  id: string | null;
  description: string;
  quantity: number;
  unit: string;
  unitPrice: number | null;
  totalPrice: number;
  pricingMode: PricingMode;
  sortOrder: number;
  source: LineItemSource;
}

export interface BulkUpdateLineItemsRequest {
  lineItems: UpdateLineItemEntry[];
}

// ── Customers (CustomerDtos.cs) ───────────────────────────────────────────
export interface Customer {
  id: string;
  name: string;
  addresses: string[];
  contactEmail: string | null;
  createdAt: string;
}

export interface CustomerListParams {
  page?: number;
  pageSize?: number;
  search?: string;
}

export interface CreateCustomerRequest {
  name: string;
  addresses?: string[];
  contactEmail?: string;
}

export interface UpdateCustomerRequest {
  name?: string;
  addresses?: string[];
  contactEmail?: string | null;
}

// ── Pricing library (PricingLibraryDtos.cs) ───────────────────────────────
export interface PricingLibraryItem {
  id: string;
  title: string;
  description: string | null;
  serviceCategory: ServiceCategory;
  unit: string | null;
  unitPrice: number | null;
  keywords: string | null;
  source: string;
  createdAt: string;
  updatedAt: string;
}

export interface PricingLibraryListParams {
  page?: number;
  pageSize?: number;
}

export interface CreatePricingLibraryItemRequest {
  title: string;
  description?: string;
  serviceCategory: ServiceCategory;
  unit?: string;
  unitPrice?: number | null;
  keywords?: string;
  source?: string;
}

export interface UpdatePricingLibraryItemRequest {
  title?: string;
  description?: string;
  serviceCategory?: ServiceCategory;
  unit?: string;
  unitPrice?: number | null;
  keywords?: string;
}

// ── Admin (DashboardDtos.cs, AuditDtos.cs) ────────────────────────────────
export interface DashboardStats {
  pendingCount: number;
  approvedThisWeek: number;
  avgTurnaroundHours: number;
  totalProposals: number;
}

export interface AuditEntry {
  id: string;
  proposalId: string | null;
  userId: string;
  userName: string | null;
  action: string;
  details: string | null;
  timestamp: string;
  ipAddress: string | null;
}

// ── Sites (SiteDtos.cs) ───────────────────────────────────────────────────
export interface Site {
  siteCode: string;
  fullAddress: string | null;
  address: string | null;
  city: string | null;
  state: string | null;
  zip: string | null;
}

// ── Auth / users (UserDtos.cs, AuthController) ────────────────────────────
export interface AuthUser {
  id: string;
  email: string;
  displayName: string;
  role: UserRole;
  token: string;
}

export interface UserProfile {
  id: string;
  email: string;
  displayName: string;
  role: UserRole;
}

// ── Files / PDFs (FileDtos.cs) ────────────────────────────────────────────
export interface PdfVersion {
  revision: number;
  generatedAt: string;
}

export interface PresignedUpload {
  uploadUrl: string;
  s3Key: string;
  expiresAt: string;
  vendorProposalId: string;
}

// ── Errors (GlobalExceptionHandler.cs) ────────────────────────────────────
// RFC 7807 ProblemDetails + machine-readable business code (SHOC error-code
// vocabulary convention). Branch on `code`, never on title/detail text.
export type ApiProblemCode =
  | 'ValidationFailed'
  | 'InvalidStateTransition'
  | 'NotFound'
  | 'Unauthorized'
  | 'InternalError'
  | (string & {}); // business codes are open-ended (e.g. future CancelNotAllowed)

export interface ApiProblem {
  status: number;
  title: string;
  detail: string;
  code: ApiProblemCode;
}