import {z} from 'zod'

export type MerchantId = string;

export type GetApiMerchantsMerchantIdArgs = {merchant_id: MerchantId};

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

export const fiatCurrency = z.object({symbol: z.string()});

export const evmCurrency = z.object({chain_id: z.number().int().gte(1), address: z.string(), decimals: z.number().int().gte(0).lte(255)});

export const amount = z.object({value: z.string(), currency: z.union([fiatCurrency, evmCurrency])});

export const media = z.object({type: z.enum(["image", "video", "model_3d"]), url: z.string(), alt_text: z.string().optional(), width: z.number().int().gte(1).optional(), height: z.number().int().gte(1).optional()});

export const modifierItem = z.object({id: z.string(), name: z.string(), description: z.string().optional(), price: z.object({value: z.string(), currency: z.union([fiatCurrency, evmCurrency])}), metadata: z.record(z.string(), z.unknown()).optional()});

export const modifierOption = z.object({id: z.string(), modifier_item: modifierItem, child_modifier_groups: z.array(z.lazy(() => modifierGroup)).optional(), is_default: z.boolean().optional(), metadata: z.record(z.string(), z.unknown()).optional()});

export const modifierGroup: z.ZodType<ModifierGroup> = z.object({id: z.string(), name: z.string(), description: z.string().optional(), minimum_selections: z.number().int().gte(0).optional(), maximum_selections: z.number().int().gte(0).optional(), allow_quantities: z.boolean().optional(), max_per_modifier: z.number().int().gte(0).optional(), modifier_options: z.array(modifierOption), type: z.string().optional(), metadata: z.record(z.string(), z.unknown()).optional()});

export const interval = z.object({day: z.string().optional(), date: z.string().optional(), from_hour: z.number().int().gte(0).lte(23), from_minute: z.number().int().gte(0).lte(59), to_hour: z.number().int().gte(0).lte(23), to_minute: z.number().int().gte(0).lte(59)});

export const availability = z.object({timezone: z.string().optional(), intervals: z.array(interval)});

export const catalogItem = z.object({id: z.string(), name: z.string(), description: z.string(), price: amount, media: z.array(media).optional(), modifier_groups: z.array(modifierGroup).optional(), availability: availability.optional(), metadata: z.record(z.string(), z.unknown()).optional()});

export const catalogCategory: z.ZodType<CatalogCategory> = z.object({id: z.string(), name: z.string(), description: z.string().optional(), categories: z.array(z.lazy(() => catalogCategory)).optional(), items: z.array(catalogItem), availability: availability.optional(), metadata: z.record(z.string(), z.unknown()).optional()});

export const catalog = z.object({id: z.string(), name: z.string(), description: z.string().optional(), categories: z.array(catalogCategory), items: z.array(catalogItem).optional(), availability: availability.optional(), metadata: z.record(z.string(), z.unknown()).optional()});

export const merchant = z.object({id: z.string(), name: z.string(), timezone: z.string(), last_updated: z.string().optional(), catalogs: z.array(catalog), metadata: z.record(z.string(), z.unknown()).optional()});

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 merchant
 * 
 * GET /merchants/{merchant_id}
 */
export const getApiMerchantsMerchantId = async (args: GetApiMerchantsMerchantIdArgs, options?: GetApiMerchantsMerchantIdOptions) => {
const {baseUrl = "http://localhost:8000", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/merchants/${encodeURIComponent(String(args.merchant_id))}${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(merchant, await res.json())
};