import {z} from 'zod'

export type GetApiRestServicedeskapiRequestIssueIdOrKeySlaSlaMetricIdArgs = {issueIdOrKey: string, slaMetricId: number};

export type GetApiRestServicedeskapiRequestIssueIdOrKeySlaSlaMetricIdOptions = {baseUrl?: string | undefined, OAuth2?: string | undefined, fetch?: typeof fetch | undefined};

export const selfLinkDTO = z.object({self: z.string().optional()});

export const dateDTO = z.object({epochMillis: z.number().int().optional(), friendly: z.string().optional(), iso8601: z.string().optional(), jira: z.string().optional()});

export const durationDTO = z.object({friendly: z.string().optional(), millis: z.number().int().optional()});

export const slaInformationCompletedCycleDTO = z.object({breachTime: dateDTO.optional(), breached: z.boolean().optional(), elapsedTime: durationDTO.optional(), goalDuration: durationDTO.optional(), remainingTime: durationDTO.optional(), startTime: dateDTO.optional(), stopTime: dateDTO.optional()});

export const slaInformationOngoingCycleDTO = z.object({breachTime: dateDTO.optional(), breached: z.boolean().optional(), elapsedTime: durationDTO.optional(), goalDuration: durationDTO.optional(), paused: z.boolean().optional(), remainingTime: durationDTO.optional(), startTime: dateDTO.optional(), withinCalendarHours: z.boolean().optional()});

export const slaInformationDTO = z.object({_links: selfLinkDTO.optional(), completedCycles: z.array(slaInformationCompletedCycleDTO).optional(), id: z.string().optional(), name: z.string().optional(), ongoingCycle: slaInformationOngoingCycleDTO.optional(), slaDisplayFormat: z.string().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
};

/**
 * Get sla information by id
 * 
 * GET /rest/servicedeskapi/request/{issueIdOrKey}/sla/{slaMetricId}
 */
export const getApiRestServicedeskapiRequestIssueIdOrKeySlaSlaMetricId = async (args: GetApiRestServicedeskapiRequestIssueIdOrKeySlaSlaMetricIdArgs, options?: GetApiRestServicedeskapiRequestIssueIdOrKeySlaSlaMetricIdOptions) => {
const {baseUrl = "https://your-domain.atlassian.net", fetch: fetchFn = fetch, OAuth2} = options ?? {}

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

if (OAuth2 !== undefined) headers.set('authorization', `Bearer ${OAuth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/rest/servicedeskapi/request/${encodeURIComponent(String(args.issueIdOrKey))}/sla/${encodeURIComponent(String(args.slaMetricId))}${query.size > 0 ? `?${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(slaInformationDTO, await res.json())
};