import {z} from 'zod'

export type WriteOffItemCreate = {product_id: number, quantity: number};

export type WriteOffLogCreate = {location_id: number, writeoff_date?: (string | null) | undefined, reason?: string | undefined, notes?: (string | null) | undefined, items: Array<WriteOffItemCreate>, photo_base64?: (string | null) | undefined};

export type CreateApiApiV1ExpeditorWriteoffsArgs = {body: WriteOffLogCreate};

export type CreateApiApiV1ExpeditorWriteoffsOptions = {baseUrl: string, OAuth2PasswordBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const writeOffItemResponse = z.object({product_id: z.number().int(), quantity: z.number().int().gt(0), id: z.number().int(), product_name: z.string(), cost_price: z.string(), total_cost: z.string()});

export const writeOffLogResponse = z.object({location_id: z.number().int(), writeoff_date: z.string().nullable().optional(), reason: z.string().optional(), notes: z.string().nullable().optional(), id: z.number().int(), expeditor_id: z.number().int().nullable(), expeditor_name: z.string().nullable(), location_name: z.string(), photo_url: z.string().nullable(), total_cost: z.string(), items: z.array(writeOffItemResponse), created_at: z.string()});

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
};

/**
 * Create Writeoff
 * 
 * POST /api/v1/expeditor/writeoffs
 */
export const createApiApiV1ExpeditorWriteoffs = async (args: CreateApiApiV1ExpeditorWriteoffsArgs, options: CreateApiApiV1ExpeditorWriteoffsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, OAuth2PasswordBearer} = options ?? {}

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

if (OAuth2PasswordBearer !== undefined) headers.set('authorization', `Bearer ${OAuth2PasswordBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/expeditor/writeoffs${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

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

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