import {z} from 'zod'

export type GetApiDatamatesDatamateIdRulesArgs = {datamate_id: number, view?: ('pending' | 'active' | 'history') | undefined, repo_identity?: (string | null) | undefined, page?: number | undefined, size?: number | undefined};

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

export const replacedRule = z.object({public_id: z.string(), text: z.string(), applies_to: z.array(z.string()), version: z.number().int(), status: z.string()});

export const correctionOut = z.object({excerpt: z.string(), corrected_at: z.string(), corrected_by_name: z.string().nullable().optional()});

export const ruleUsageTotals = z.object({applied: z.number().int().optional(), helpful: z.number().int().optional(), harmful: z.number().int().optional(), corrected_again: z.number().int().optional()});

export const ruleDetail = z.object({public_id: z.string(), rule_key: z.string(), repo_identity: z.string().nullable().optional(), text: z.string(), applies_to: z.array(z.string()), tags: z.array(z.string()), pinned: z.boolean(), status: z.string(), change: z.string(), origin: z.string(), why: z.string().nullable().optional(), replaces: replacedRule.nullable().optional(), evidence_sessions: z.number().int(), corrections: z.array(correctionOut), weakens_verification: z.boolean(), verification_reason: z.string().nullable().optional(), proposed_by: z.number().int().nullable().optional(), proposed_by_name: z.string().nullable().optional(), proposed_at: z.string(), reviewed_by_name: z.string().nullable().optional(), reviewed_at: z.string().nullable().optional(), review_reason: z.string().nullable().optional(), usage: ruleUsageTotals, edit_pending: z.boolean().optional(), version: z.number().int(), updated_at: z.string()});

export const pageRuleDetail = z.object({items: z.array(ruleDetail), total: z.number().int().gte(0).nullable(), page: z.number().int().gte(1).nullable(), size: z.number().int().gte(1).nullable(), pages: z.number().int().gte(0).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
};

/**
 * List Rules
 * 
 * GET /datamates/{datamate_id}/rules
 * 
 * Also accepts auth: HTTPBearer
 */
export const getApiDatamatesDatamateIdRules = async (args: GetApiDatamatesDatamateIdRulesArgs, options: GetApiDatamatesDatamateIdRulesOptions) => {
const {baseUrl, fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

if (args.view != null) query.append("view", String(args.view))
if (args.repo_identity != null) query.append("repo_identity", String(args.repo_identity))
if (args.page != null) query.append("page", String(args.page))
if (args.size != null) query.append("size", String(args.size))
if (HTTPBearer !== undefined) headers.set('authorization', `Bearer ${HTTPBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/datamates/${encodeURIComponent(String(args.datamate_id))}/rules${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(pageRuleDetail, await res.json())
};