// Runtime validation schemas coupled to the wire types in ./index.
// Separate entrypoint by design: consumers that only need types (mobile)
// never pull zod. Each schema is compile-time-checked against its type via
// `satisfies z.ZodType<T>` — if a DTO and its schema drift, tsc fails here.
import { z } from 'zod';
import type {
  ProposalStatus,
  ServiceCategory,
  Priority,
  LineItemSource,
  PricingMode,
  UserRole,
  ProposalListItem,
  ProposalDetail,
  CreateProposalRequest,
  UpdateProposalRequest,
  ProposalVersionRequest,
  ConcurrencyConflict,
  LineItem,
  CreateLineItemRequest,
  UpdateLineItemEntry,
  BulkUpdateLineItemsRequest,
  Customer,
  CreateCustomerRequest,
  UpdateCustomerRequest,
  PricingLibraryItem,
  CreatePricingLibraryItemRequest,
  UpdatePricingLibraryItemRequest,
  DashboardStats,
  AuditEntry,
  Site,
  AuthUser,
  UserProfile,
  ProposalStats,
  PdfVersion,
  PresignedUpload,
  ApiProblem,
} from './index';

// ── Enums ─────────────────────────────────────────────────────────────────
export const proposalStatusSchema = z.enum(['Draft', 'InReview', 'Approved', 'Sent', 'Revised']) satisfies z.ZodType<ProposalStatus>;
export const serviceCategorySchema = z.enum(['HVAC', 'Plumbing', 'Electrical', 'General', 'Renovation', 'Other']) satisfies z.ZodType<ServiceCategory>;
export const prioritySchema = z.enum(['Standard', 'Urgent', 'Emergency']) satisfies z.ZodType<Priority>;
export const lineItemSourceSchema = z.enum(['AI', 'Vendor', 'Manual', 'Historical']) satisfies z.ZodType<LineItemSource>;
export const pricingModeSchema = z.enum(['UnitPrice', 'TotalPrice', 'Both']) satisfies z.ZodType<PricingMode>;
export const userRoleSchema = z.enum(['Dispatcher', 'Admin', 'SysAdmin']) satisfies z.ZodType<UserRole>;

// ── Proposals ─────────────────────────────────────────────────────────────
export const proposalListItemSchema = z.object({
  id: z.string(),
  proposalNumber: z.string(),
  customerName: z.string(),
  workOrderNumber: z.string(),
  serviceCategory: serviceCategorySchema,
  priority: prioritySchema,
  status: proposalStatusSchema,
  totalBidAmount: z.number(),
  submittedAt: z.string(),
  submittedByName: z.string().nullable(),
  assignedAdminName: z.string().nullable(),
  rowVersion: z.string(),
}) satisfies z.ZodType<ProposalListItem>;

export const proposalDetailSchema = z.object({
  id: z.string(),
  proposalNumber: z.string(),
  workOrderNumber: z.string(),
  poNumber: z.string().nullable(),
  customerName: z.string(),
  customerAddress: z.string(),
  scopeOfWork: z.string(),
  refinedScope: z.string().nullable(),
  serviceCategory: serviceCategorySchema,
  priority: prioritySchema,
  status: proposalStatusSchema,
  totalBidAmount: z.number(),
  vendorTotalCost: z.number().nullable(),
  notes: z.string(),
  submittedById: z.string(),
  submittedByName: z.string().nullable(),
  submittedAt: z.string(),
  assignedAdminId: z.string().nullable(),
  approvedById: z.string().nullable(),
  approvedAt: z.string().nullable(),
  sentAt: z.string().nullable(),
  currentRevision: z.number(),
  parentProposalId: z.string().nullable(),
  createdAt: z.string(),
  updatedAt: z.string(),
  rowVersion: z.string(),
}) satisfies z.ZodType<ProposalDetail>;

export const createProposalRequestSchema = z.object({
  workOrderNumber: z.string().min(1),
  poNumber: z.string().optional(),
  customerName: z.string().min(1),
  customerAddress: z.string().min(1),
  scopeOfWork: z.string().min(1),
  serviceCategory: serviceCategorySchema,
  priority: prioritySchema,
  notes: z.string().optional(),
}) satisfies z.ZodType<CreateProposalRequest>;

export const updateProposalRequestSchema = z.object({
  refinedScope: z.string().optional(),
  notes: z.string().optional(),
  poNumber: z.string().optional(),
  workOrderNumber: z.string().optional(),
  assignedAdminId: z.string().optional(),
  proposalVersion: z.string().optional(),
}) satisfies z.ZodType<UpdateProposalRequest>;

export const proposalVersionRequestSchema = z.object({
  proposalVersion: z.string().optional(),
}) satisfies z.ZodType<ProposalVersionRequest>;

export const proposalStatsSchema = z.object({
  totalCount: z.number(),
  inReviewCount: z.number(),
  approvedCount: z.number(),
  sentCount: z.number(),
}) satisfies z.ZodType<ProposalStats>;

// ── Line items ────────────────────────────────────────────────────────────
export const lineItemSchema = z.object({
  id: z.string(),
  proposalId: z.string(),
  description: z.string(),
  quantity: z.number(),
  unit: z.string(),
  unitPrice: z.number().nullable(),
  totalPrice: z.number(),
  pricingMode: pricingModeSchema,
  sortOrder: z.number(),
  source: lineItemSourceSchema,
  createdAt: z.string(),
  updatedAt: z.string(),
  rowVersion: z.string(),
}) satisfies z.ZodType<LineItem>;

export const createLineItemRequestSchema = z.object({
  description: z.string().min(1),
  quantity: z.number(),
  unit: z.string(),
  unitPrice: z.number().nullable(),
  totalPrice: z.number(),
  pricingMode: pricingModeSchema,
  sortOrder: z.number(),
  source: lineItemSourceSchema,
}) satisfies z.ZodType<CreateLineItemRequest>;

export const updateLineItemEntrySchema = z.object({
  id: z.string().nullable(),
  description: z.string().min(1),
  quantity: z.number(),
  unit: z.string(),
  unitPrice: z.number().nullable(),
  totalPrice: z.number(),
  pricingMode: pricingModeSchema,
  sortOrder: z.number(),
  source: lineItemSourceSchema,
}) satisfies z.ZodType<UpdateLineItemEntry>;

export const bulkUpdateLineItemsRequestSchema = z.object({
  lineItems: z.array(updateLineItemEntrySchema),
  proposalVersion: z.string().optional(),
}) satisfies z.ZodType<BulkUpdateLineItemsRequest>;

// ── Customers ─────────────────────────────────────────────────────────────
export const customerSchema = z.object({
  id: z.string(),
  name: z.string(),
  addresses: z.array(z.string()),
  contactEmail: z.string().nullable(),
  createdAt: z.string(),
}) satisfies z.ZodType<Customer>;

export const createCustomerRequestSchema = z.object({
  name: z.string().min(1),
  addresses: z.array(z.string()).optional(),
  contactEmail: z.string().optional(),
}) satisfies z.ZodType<CreateCustomerRequest>;

export const updateCustomerRequestSchema = z.object({
  name: z.string().optional(),
  addresses: z.array(z.string()).optional(),
  contactEmail: z.string().nullable().optional(),
}) satisfies z.ZodType<UpdateCustomerRequest>;

// ── Pricing library ───────────────────────────────────────────────────────
export const pricingLibraryItemSchema = z.object({
  id: z.string(),
  title: z.string(),
  description: z.string().nullable(),
  serviceCategory: serviceCategorySchema,
  unit: z.string().nullable(),
  unitPrice: z.number().nullable(),
  keywords: z.string().nullable(),
  source: z.string(),
  createdAt: z.string(),
  updatedAt: z.string(),
}) satisfies z.ZodType<PricingLibraryItem>;

export const createPricingLibraryItemRequestSchema = z.object({
  title: z.string().min(1),
  description: z.string().optional(),
  serviceCategory: serviceCategorySchema,
  unit: z.string().optional(),
  unitPrice: z.number().nullable().optional(),
  keywords: z.string().optional(),
  source: z.string().optional(),
}) satisfies z.ZodType<CreatePricingLibraryItemRequest>;

export const updatePricingLibraryItemRequestSchema = z.object({
  title: z.string().optional(),
  description: z.string().optional(),
  serviceCategory: serviceCategorySchema.optional(),
  unit: z.string().optional(),
  unitPrice: z.number().nullable().optional(),
  keywords: z.string().optional(),
}) satisfies z.ZodType<UpdatePricingLibraryItemRequest>;

// ── Admin ─────────────────────────────────────────────────────────────────
export const dashboardStatsSchema = z.object({
  pendingCount: z.number(),
  approvedThisWeek: z.number(),
  avgTurnaroundHours: z.number(),
  totalProposals: z.number(),
}) satisfies z.ZodType<DashboardStats>;

export const auditEntrySchema = z.object({
  id: z.string(),
  proposalId: z.string().nullable(),
  userId: z.string(),
  userName: z.string().nullable(),
  action: z.string(),
  details: z.string().nullable(),
  timestamp: z.string(),
  ipAddress: z.string().nullable(),
}) satisfies z.ZodType<AuditEntry>;

// ── Sites ─────────────────────────────────────────────────────────────────
export const siteSchema = z.object({
  siteCode: z.string(),
  fullAddress: z.string().nullable(),
  address: z.string().nullable(),
  city: z.string().nullable(),
  state: z.string().nullable(),
  zip: z.string().nullable(),
}) satisfies z.ZodType<Site>;

// ── Auth / users ──────────────────────────────────────────────────────────
export const authUserSchema = z.object({
  id: z.string(),
  email: z.string(),
  displayName: z.string(),
  role: userRoleSchema,
  token: z.string(),
}) satisfies z.ZodType<AuthUser>;

export const userProfileSchema = z.object({
  id: z.string(),
  email: z.string(),
  displayName: z.string(),
  role: userRoleSchema,
}) satisfies z.ZodType<UserProfile>;

// ── Files / PDFs ──────────────────────────────────────────────────────────
export const pdfVersionSchema = z.object({
  revision: z.number(),
  generatedAt: z.string(),
}) satisfies z.ZodType<PdfVersion>;

export const presignedUploadSchema = z.object({
  uploadUrl: z.string(),
  s3Key: z.string(),
  expiresAt: z.string(),
  vendorProposalId: z.string(),
}) satisfies z.ZodType<PresignedUpload>;

// ── Errors ────────────────────────────────────────────────────────────────
export const apiProblemSchema = z.object({
  status: z.number(),
  title: z.string(),
  detail: z.string(),
  code: z.string(),
}) satisfies z.ZodType<ApiProblem>;

// 409 concurrency-conflict envelope. The proposal aggregate is the only
// guarded resource today, so the concrete schema is coupled to ProposalDetail;
// build others via the same pattern when new aggregates gain guards.
export const proposalConcurrencyConflictSchema = z.object({
  message: z.string(),
  currentState: proposalDetailSchema.nullable(),
}) satisfies z.ZodType<ConcurrencyConflict<ProposalDetail>>;