import { fetchQuery } from "convex/nextjs"
import { api } from "@/convex/_generated/api"
import { hasConvexUrl } from "@/lib/convex-config"
import type { Product } from "@/lib/products/types"
import type { Manual } from "@/lib/manuals-types"

type ConvexProductDoc = {
  _id: string
  name: string
  description?: string
  price: number
  currency: string
  images: string[]
  metadata?: Record<string, string>
  stripeProductId?: string
  stripePriceId?: string
  active: boolean
}

type ConvexManualDoc = {
  filename: string
  path: string
  manufacturer: string
  category: string
  size?: number
  lastModified?: number
  searchTerms?: string[]
  commonNames?: string[]
  thumbnailUrl?: string
  manualUrl?: string
}

type ConvexOrderItem = {
  productId?: string | null
  productName: string
  price: number
  quantity: number
  priceId: string
  image?: string
}

export type ConvexAdminOrder = {
  id: string
  customerEmail: string
  customerName?: string
  totalAmount: number
  currency: string
  status: "pending" | "paid" | "fulfilled" | "cancelled" | "refunded"
  stripeSessionId: string | null
  paymentIntentId: string | null
  createdAt: string
  updatedAt: string
  shippingAddress?: {
    name?: string
    address?: string
    city?: string
    state?: string
    zipCode?: string
    country?: string
  }
  items: ConvexOrderItem[]
}

function mapConvexProduct(product: ConvexProductDoc): Product {
  return {
    id: product._id,
    stripeId: product.stripeProductId ?? product._id,
    name: product.name,
    description: product.description ?? null,
    price: product.price,
    currency: product.currency,
    images: product.images ?? [],
    metadata: product.metadata,
    priceId: product.stripePriceId,
  }
}

function mapConvexManual(manual: ConvexManualDoc): Manual {
  return {
    filename: manual.filename,
    path: manual.manualUrl || manual.path,
    manufacturer: manual.manufacturer,
    category: manual.category,
    size: manual.size,
    lastModified: manual.lastModified ? new Date(manual.lastModified) : undefined,
    searchTerms: manual.searchTerms,
    commonNames: manual.commonNames,
    thumbnailUrl: manual.thumbnailUrl,
  }
}

export async function listConvexProducts(): Promise<Product[]> {
  if (!hasConvexUrl()) {
    return []
  }

  const products = await fetchQuery(api.products.listActive, {})
  return (products as ConvexProductDoc[]).map(mapConvexProduct)
}

export async function listConvexAdminProducts(search?: string): Promise<Product[]> {
  if (!hasConvexUrl()) {
    return []
  }

  const products = await fetchQuery(api.products.listAdmin, { search })
  return (products as ConvexProductDoc[]).map(mapConvexProduct)
}

export async function getConvexProduct(id: string): Promise<Product | null> {
  if (!hasConvexUrl()) {
    return null
  }

  const products = await fetchQuery(api.products.listAdmin, {})
  const match = (products as ConvexProductDoc[]).find((product) => {
    return product._id === id || product.stripeProductId === id
  })

  return match ? mapConvexProduct(match) : null
}

export async function listConvexManuals(): Promise<Manual[]> {
  if (!hasConvexUrl()) {
    return []
  }

  const manuals = await fetchQuery(api.manuals.list, {})
  return (manuals as ConvexManualDoc[]).map(mapConvexManual)
}

export async function getConvexManualDashboard() {
  if (!hasConvexUrl()) {
    return null
  }

  return await fetchQuery(api.manuals.dashboard, {})
}

export async function getConvexOrderMetrics() {
  if (!hasConvexUrl()) {
    return null
  }

  return await fetchQuery(api.orders.getMetrics, {})
}

export async function listConvexOrders(options?: {
  status?: ConvexAdminOrder["status"]
  search?: string
}): Promise<ConvexAdminOrder[]> {
  if (!hasConvexUrl()) {
    return []
  }

  return await fetchQuery(api.orders.listAdmin, {
    status: options?.status,
    search: options?.search,
  })
}