import {z} from 'zod'

export type GetApiRulesetsIdRulesArgs = {Accept: string, 'Content-Type': 'application/json', limit?: number | undefined, offset?: number | undefined, total?: boolean | undefined, id: string};

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

export const eventRule = z.object({id: z.string().optional(), self: z.string().optional(), disabled: z.boolean().optional(), conditions: z.object({operator: z.enum(["and", "or"]), subconditions: z.array(z.object({operator: z.enum(["exists", "nexists", "equals", "nequals", "contains", "ncontains", "matches", "nmatches"]), parameters: z.object({path: z.string(), value: z.string(), options: z.object({}).optional()})}))}).optional(), time_frame: z.object({active_between: z.object({start_time: z.number().int(), end_time: z.number().int()}).optional(), scheduled_weekly: z.object({start_time: z.number().int(), duration: z.number().int(), timezone: z.string(), weekdays: z.array(z.number().int())}).optional()}).optional(), variables: z.array(z.object({type: z.literal("regex"), name: z.string(), parameters: z.object({value: z.string(), path: z.string()})})).optional(), position: z.number().int().optional(), catch_all: z.boolean().optional(), actions: z.object({annotate: z.object({value: z.string()}).nullable().optional(), event_action: z.object({value: z.enum(["trigger", "resolve"])}).nullable().optional(), extractions: z.array(z.union([z.object({target: z.string(), source: z.string(), regex: z.string()}), z.object({target: z.string(), template: z.string()})])).optional(), priority: z.object({value: z.string()}).nullable().optional(), severity: z.object({value: z.enum(["info", "warning", "error", "critical"])}).nullable().optional(), suppress: z.object({value: z.boolean(), threshold_value: z.number().int().optional(), threshold_time_unit: z.enum(["seconds", "minutes", "hours"]).optional(), threshold_time_amount: z.number().int().optional()}).optional(), suspend: z.object({value: z.number().int()}).nullable().optional(), route: z.object({value: z.string()}).nullable().optional()}).optional()});

export const getApiRulesetsIdRulesResponse = z.object({offset: z.number().int().optional(), limit: z.number().int().optional(), more: z.boolean().optional(), total: z.number().int().nullable().optional(), rules: z.array(eventRule).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 Event Rules
 * 
 * GET /rulesets/{id}/rules
 */
export const getApiRulesetsIdRules = async (args: GetApiRulesetsIdRulesArgs, options?: GetApiRulesetsIdRulesOptions) => {
const {baseUrl = "https://api.pagerduty.com", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args.Accept != null) headers.set("Accept", String(args.Accept))
if (args['Content-Type'] != null) headers.set("Content-Type", String(args['Content-Type']))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.total != null) query.append("total", String(args.total))
if (apiKey !== undefined) headers.set("Authorization", apiKey)

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