import {z} from 'zod'

export type ComparisonCriteriaScoreRequest = {criteria: string, score: number, score_max: number, weight?: number | undefined};

export type ComparisonUpdateRequest = {criteria_scores: Array<ComparisonCriteriaScoreRequest>, duration_ms?: (number | null) | undefined};

export type UpdateApiUsersMeComparisonsPollNameUidAUidBArgs = {poll_name: string, uid_a: string, uid_b: string, body: ComparisonUpdateRequest};

export type UpdateApiUsersMeComparisonsPollNameUidAUidBOptions = {baseUrl: string, oauth2?: string | undefined, fetch?: typeof fetch | undefined};

export const comparisonCriteriaScore = z.object({criteria: z.string().max(32), score: z.number(), score_max: z.number().int().gte(1).lte(2147483647), weight: z.number().optional()});

export const typeEnum = z.enum(["video", "candidate_fr_2022"]);

export const relatedEntity = z.object({uid: z.string().max(144), type: typeEnum, metadata: z.record(z.string(), z.unknown())});

export const originEnum = z.enum(["ASSOCIATION", "CONTRIBUTORS"]);

export const entityContext = z.object({origin: originEnum.optional(), unsafe: z.boolean().optional(), text: z.string(), created_at: z.string()});

export const comparisonUpdate = z.object({criteria_scores: z.array(comparisonCriteriaScore), duration_ms: z.number().nullable().optional(), entity_a: relatedEntity, entity_b: relatedEntity, entity_a_contexts: z.array(entityContext), entity_b_contexts: z.array(entityContext)});

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
};

/**
 * Update a comparison made by the logged user, in the given poll
 * 
 * PUT /users/me/comparisons/{poll_name}/{uid_a}/{uid_b}/
 */
export const updateApiUsersMeComparisonsPollNameUidAUidB = async (args: UpdateApiUsersMeComparisonsPollNameUidAUidBArgs, options: UpdateApiUsersMeComparisonsPollNameUidAUidBOptions) => {
const {baseUrl, fetch: fetchFn = fetch, oauth2} = options ?? {}

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

if (oauth2 !== undefined) headers.set('authorization', `Bearer ${oauth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/users/me/comparisons/${encodeURIComponent(String(args.poll_name))}/${encodeURIComponent(String(args.uid_a))}/${encodeURIComponent(String(args.uid_b))}/${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PUT", 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(comparisonUpdate, await res.json())
};