import {z} from 'zod'

export type GetApiChefsRecipesRecipeIdUsageArgs = {recipe_id: number, date_since?: string | undefined, date_until?: string | undefined, clinic_id?: number | undefined, meal_name?: string | undefined};

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

export const recipeUsageResponse = z.object({chef_id: z.number().int().nullable().optional(), curation_status: z.string().nullable().optional(), favourite_count: z.number().int().optional(), featured: z.boolean().optional(), fork_count: z.number().int().optional(), label: z.string().optional(), last_logged_date: z.string().nullable().optional(), recipe_id: z.number().int().optional(), times_logged: z.number().int().optional(), unique_patients: z.number().int().optional(), visibility: z.string().nullable().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
};

/**
 * Engagement metrics for one chef-owned recipe
 * 
 * GET /chefs/recipes/{recipe_id}/usage
 */
export const getApiChefsRecipesRecipeIdUsage = async (args: GetApiChefsRecipesRecipeIdUsageArgs, options: GetApiChefsRecipesRecipeIdUsageOptions) => {
const {baseUrl, fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.date_since != null) query.append("date_since", String(args.date_since))
if (args.date_until != null) query.append("date_until", String(args.date_until))
if (args.clinic_id != null) query.append("clinic_id", String(args.clinic_id))
if (args.meal_name != null) query.append("meal_name", String(args.meal_name))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/chefs/recipes/${encodeURIComponent(String(args.recipe_id))}/usage${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(recipeUsageResponse, await res.json())
};