import {z} from 'zod'

export type PricingInspirationRequest = {description: string, country: string, currency: string, product_type: string, department: string, condition: string, brand_name: string, size_set_id?: number | undefined, size_id?: number | undefined, colour?: (Array<'black' | 'grey' | 'white' | 'brown' | 'tan' | 'cream' | 'yellow' | 'red' | 'burgundy' | 'orange' | 'pink' | 'purple' | 'blue' | 'navy' | 'green' | 'khaki' | 'multi' | 'silver' | 'gold'>) | undefined, style?: (Array<'streetwear' | 'sportswear' | 'loungewear' | 'goth' | 'retro' | 'boho' | 'western' | 'indie' | 'skater' | 'rave' | 'costume' | 'cosplay' | 'grunge' | 'emo' | 'minimalist' | 'preppy' | 'avant_garde' | 'punk' | 'glam' | 'regency' | 'casual' | 'techwear' | 'futuristic' | 'cottage' | 'fairy' | 'kidcore' | 'y2_k' | 'biker' | 'gorpcore' | 'twee' | 'coquette' | 'whimsygoth'>) | undefined, source?: (Array<'vintage' | 'preloved' | 'reworked' | 'custom' | 'handmade' | 'deadstock' | 'designer' | 'repaired'>) | undefined};

export type CreateApiApiV1PricingInspirationArgs = {body: PricingInspirationRequest};

export type CreateApiApiV1PricingInspirationOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const pricePrediction = z.object({balanced: z.string().optional(), prediction: z.string().optional(), upper_bound: z.string().optional(), lower_bound: z.string().optional()});

export const picture = z.object({url: z.string(), height: z.number(), width: z.number()});

export const similarSoldItem = z.object({picture: picture.optional(), sold_price_amount: z.string().optional(), sold_price_currency: z.string().optional(), condition: z.enum(["brand_new", "used_like_new", "used_excellent", "used_good", "used_fair"]).optional(), brand_name: z.string().optional()});

export const pricingInspirationResponse = z.object({price_prediction: pricePrediction, similar_sold_items: z.array(similarSoldItem)});

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
};

/**
 * Get pricing inspiration when given product listing details
 * 
 * POST /api/v1/pricing/inspiration/
 */
export const createApiApiV1PricingInspiration = async (args: CreateApiApiV1PricingInspirationArgs, options?: CreateApiApiV1PricingInspirationOptions) => {
const {baseUrl = "https://partnerapi-staging.depop.com", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/pricing/inspiration/${query.size > 0 ? `?${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(pricingInspirationResponse, await res.json())
};