import {z} from 'zod'

export type GetApiPurchaseOrdersNumberArgs = {number: string};

export type GetApiPurchaseOrdersNumberOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, accountToken?: string | undefined, fetch?: typeof fetch | undefined};

export const id = z.number().int().gte(1);

export const createdAt = z.string();

export const updatedAt = z.string();

export const purchaseOrderNumber = z.number().int();

export const labelList = z.array(z.string().max(255));

export const labels = z.array(z.object({id: id.optional(), name: z.string().optional()}));

export const purchaseOrderState = z.enum(["draft", "submitted_for_approval", "rejected", "approved", "purchased", "received_partial", "received_full", "closed"]).nullable();

export const customFields = z.object({}).nullable();

export const purchaseOrderLineItem = z.object({id: z.number().int().gte(1).optional(), created_at: z.string().optional(), updated_at: z.string().optional(), part_id: z.number().int().gte(1), quantity: z.string().nullable(), total_quantity_received: z.string().nullable(), part_number: z.string().nullable().optional(), unit_cost: z.number().nullable(), subtotal: z.number().nullable().optional()});

export const documentableType = z.enum(["ServiceEntry", "FuelEntry", "Issue", "WorkOrder", "ExpenseEntry", "Vehicle"]);

export const document = z.object({id: id, created_at: createdAt.optional(), updated_at: updatedAt.optional(), name: z.string(), description: z.string(), documentable_id: id, documentable_type: documentableType, file_name: z.string(), file_mime_type: z.string(), file_size: z.number(), file_url: z.string(), full_file_url: z.string()}).nullable();

export const purchaseOrder = z.object({id: id, created_at: createdAt.optional(), updated_at: updatedAt.optional(), number: purchaseOrderNumber, description: z.string().nullable(), label_list: labelList, labels: labels, state: purchaseOrderState, created_by: z.string().nullable().optional(), rejected_by: z.string().nullable().optional(), submitted_for_approval_at: z.string().nullable(), submitted_for_approval_by: z.string().nullable().optional(), rejected_at: z.string().nullable(), approved_at: z.string().nullable(), approved_by: z.string().nullable().optional(), purchased_at: z.string().nullable(), purchased_by: z.string().nullable().optional(), received_partial_at: z.string().nullable(), received_partial_by: z.string().nullable().optional(), received_full_at: z.string().nullable(), received_full_by: z.string().nullable().optional(), closed_at: z.string().nullable(), closed_by: z.string().nullable().optional(), custom_fields: customFields, part_location_id: z.number().int().gte(1).nullable(), vendor_id: z.number().int().gte(1).nullable(), part_location_name: z.string().nullable().optional(), vendor_name: z.string().nullable().optional(), purchase_order_line_items: z.array(purchaseOrderLineItem), documents_count: z.number().int().gte(0).nullable(), comments_count: z.number().int().nullable(), shipping: z.number().nullable().optional(), discount: z.number().nullable().optional(), discount_type: z.string().nullable().optional(), discount_percentage: z.number().nullable().optional(), tax_1: z.number().nullable().optional(), tax_1_type: z.string().nullable().optional(), tax_2: z.number().nullable().optional(), subtotal: z.number().nullable().optional(), total_amount: z.number().nullable().optional(), documents: z.array(document).optional()}).nullable();

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Retrieve Purchase Order
 * 
 * GET /purchase_orders/{number}
 */
export const getApiPurchaseOrdersNumber = async (args: GetApiPurchaseOrdersNumberArgs, options?: GetApiPurchaseOrdersNumberOptions) => {
const {baseUrl = "https://secure.fleetio.com/api", fetch: fetchFn = fetch, apiKey, accountToken} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

if (apiKey !== undefined) headers.set("Authorization", apiKey)
if (accountToken !== undefined) headers.set("Account-Token", accountToken)

const url = `${baseUrl.replace(/\/+$/, '')}/purchase_orders/${encodeURIComponent(String(args.number))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(purchaseOrder, await res.json())
};