import {z} from 'zod'

export type GetApiApiPublicV1IncidentsArgs = {'X-VO-Api-Id': string, 'X-VO-Api-Key': string};

export type GetApiApiPublicV1IncidentsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const escalationPolicySummary = z.object({name: z.string(), slug: z.string(), _selfUrl: z.string()});

export const team = z.object({name: z.string(), slug: z.string()});

export const escalationPolicyInfo = z.object({policy: escalationPolicySummary, team: team});

export const incidentTransition = z.object({name: z.string().optional(), at: z.string().optional(), by: z.string().optional(), message: z.string().optional(), manually: z.boolean().optional(), alertId: z.string().optional(), alertUrl: z.string().optional()});

export const incidentInfo = z.object({incidentNumber: z.string().optional(), startTime: z.string().optional(), currentPhase: z.enum(["RESOLVED", "UNACKED", "ACKED"]).optional(), alertCount: z.number().optional(), lastAlertTime: z.string().optional(), lastAlertId: z.string().optional(), entityId: z.string().optional(), host: z.string().optional(), service: z.string().optional(), pagedUsers: z.array(z.string()).optional(), pagedTeams: z.array(z.string()).optional(), pagedPolicies: z.array(escalationPolicyInfo).optional(), transitions: z.array(incidentTransition).optional(), firstAlertUuid: z.string().optional(), monitorName: z.string().optional(), monitorType: z.enum(["UNKNOWN", "PINGDOM", "NAGIOS", "HEALTHCHECKER", "API", "Cloudwatch", "NewRelic", "Zabbix", "Email", "Splunk", "ServiceNow", "Manual", "etc"]).optional()});

export const incidentList = z.object({incidents: z.array(incidentInfo).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 current incident information
 * 
 * GET /api-public/v1/incidents
 */
export const getApiApiPublicV1Incidents = async (args: GetApiApiPublicV1IncidentsArgs, options?: GetApiApiPublicV1IncidentsOptions) => {
const {baseUrl = "https://api.victorops.com", fetch: fetchFn = fetch} = options ?? {}

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

if (args['X-VO-Api-Id'] != null) headers.set("X-VO-Api-Id", String(args['X-VO-Api-Id']))
if (args['X-VO-Api-Key'] != null) headers.set("X-VO-Api-Key", String(args['X-VO-Api-Key']))

const url = `${baseUrl.replace(/\/+$/, '')}/api-public/v1/incidents${query.size > 0 ? `?${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(incidentList, await res.json())
};