import {z} from 'zod'

export type GetApiPotsPotIdConstitutionPrecedenceRulesArgs = {pot_id: string};

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

export const sourceSelector = z.object({source_types: z.array(z.string()), tags_all: z.array(z.string()).optional()});

export const precedenceRule = z.object({over: sourceSelector, under: sourceSelector, later_only: z.boolean().optional(), tie: z.enum(["later_valid_from", "none"]).optional(), effect: z.enum(["supersede", "flag_only"]).optional(), priority: z.number().int().gte(0).lte(1000).optional(), active: z.boolean().optional(), axiom_id: z.string().max(64).nullable().optional(), id: z.string(), created_at: z.string(), created_by: z.string().nullable().optional(), updated_at: z.string(), updated_by: z.string().nullable().optional()});

export const precedenceRuleList = z.object({rules: z.array(precedenceRule), max_rules: z.number().int().optional(), max_active: z.number().int().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 Precedence Rules
 * 
 * GET /pots/{pot_id}/constitution/precedence-rules
 */
export const getApiPotsPotIdConstitutionPrecedenceRules = async (args: GetApiPotsPotIdConstitutionPrecedenceRulesArgs, options: GetApiPotsPotIdConstitutionPrecedenceRulesOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/pots/${encodeURIComponent(String(args.pot_id))}/constitution/precedence-rules${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(precedenceRuleList, await res.json())
};