import {z} from 'zod'

export type GetApiV3VariableCategoriesOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const variableCategory = z.object({appType: z.string().optional(), causeOnly: z.boolean().optional(), combinationOperation: z.string().optional(), createdTime: z.string().optional(), unitAbbreviatedName: z.string().optional(), unitId: z.number().int().optional(), durationOfAction: z.number().int().optional(), fillingValue: z.number().int().optional(), helpText: z.string().optional(), id: z.number().int().optional(), imageUrl: z.string().optional(), ionIcon: z.string().optional(), manualTracking: z.boolean().optional(), maximumAllowedValue: z.string().optional(), measurementSynonymSingularLowercase: z.string().optional(), minimumAllowedValue: z.string().optional(), moreInfo: z.string().optional(), name: z.string(), onsetDelay: z.number().int().optional(), outcome: z.boolean().optional(), pngPath: z.string().optional(), pngUrl: z.string().optional(), public: z.boolean().optional(), svgPath: z.string().optional(), svgUrl: z.string().optional(), updated: z.number().int().optional(), updatedTime: z.string().optional(), variableCategoryName: z.enum(["Activity", "Books", "Causes of Illness", "Cognitive Performance", "Conditions", "Emotions", "Environment", "Foods", "Goals", "Locations", "Miscellaneous", "Movies and TV", "Music", "Nutrients", "Payments", "Physical Activities", "Physique", "Sleep", "Social Interactions", "Software", "Symptoms", "Treatments", "Vital Signs"]).optional(), variableCategoryNameSingular: z.string().optional()});

export const getApiV3VariableCategoriesResponse = z.array(variableCategory);

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
};

/**
 * Variable categories
 * 
 * GET /v3/variableCategories
 * 
 * Also accepts auth: curedao_oauth2
 */
export const getApiV3VariableCategories = async (options?: GetApiV3VariableCategoriesOptions) => {
const {baseUrl = "https://app.quantimo.do/api", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v3/variableCategories${query.size > 0 ? `?${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(getApiV3VariableCategoriesResponse, await res.json())
};