import {z} from 'zod'

export type IncidentImpactRelatedObject = 'incident' | 'created_by_user' | 'last_modified_by_user';

export type IncidentImpactFieldsObject = {[key: string]: unknown};

export type IncidentImpactPatchAttributes = {description?: string | undefined, end_at?: (string | null) | undefined, fields?: IncidentImpactFieldsObject | undefined, start_at?: string | undefined};

export type IncidentImpactType = 'incident_impacts';

export type IncidentImpactPatchData = {attributes?: IncidentImpactPatchAttributes | undefined, type: IncidentImpactType};

export type IncidentImpactPatchRequest = {data: IncidentImpactPatchData};

export type PatchApiApiV2IncidentsIncidentIdImpactsImpactIdArgs = {incident_id: string, impact_id: string, include?: Array<IncidentImpactRelatedObject> | undefined, body: IncidentImpactPatchRequest};

export type PatchApiApiV2IncidentsIncidentIdImpactsImpactIdOptions = {baseUrl?: string | undefined, apiKeyAuth?: string | undefined, appKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const incidentImpactFieldsObject = z.record(z.string(), z.unknown());

export const incidentImpactAttributes = z.object({created: z.string().optional(), description: z.string(), end_at: z.string().nullable().optional(), fields: incidentImpactFieldsObject.optional(), impact_type: z.string().optional(), modified: z.string().optional(), start_at: z.string()});

export const usersType = z.literal("users");

export const relationshipToUserData = z.object({id: z.string(), type: usersType});

export const relationshipToUser = z.object({data: relationshipToUserData});

export const incidentType = z.literal("incidents");

export const relationshipToIncidentData = z.object({id: z.string(), type: incidentType});

export const relationshipToIncident = z.object({data: relationshipToIncidentData});

export const incidentImpactRelationships = z.object({created_by_user: relationshipToUser.optional(), incident: relationshipToIncident.optional(), last_modified_by_user: relationshipToUser.optional()});

export const incidentImpactType = z.literal("incident_impacts");

export const incidentImpactResponseData = z.object({attributes: incidentImpactAttributes.optional(), id: z.string(), relationships: incidentImpactRelationships.optional(), type: incidentImpactType});

export const incidentUserAttributes = z.object({email: z.string().optional(), handle: z.string().optional(), icon: z.string().optional(), name: z.string().nullable().optional(), uuid: z.string().optional()});

export const incidentUserData = z.object({attributes: incidentUserAttributes.optional(), id: z.string().optional(), type: usersType.optional()});

export const incidentImpactResponse = z.object({data: incidentImpactResponseData, included: z.array(incidentUserData).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
};

/**
 * Update an incident impact
 * 
 * PATCH /api/v2/incidents/{incident_id}/impacts/{impact_id}
 * 
 * Also accepts auth: AuthZ
 */
export const patchApiApiV2IncidentsIncidentIdImpactsImpactId = async (args: PatchApiApiV2IncidentsIncidentIdImpactsImpactIdArgs, options?: PatchApiApiV2IncidentsIncidentIdImpactsImpactIdOptions) => {
const {baseUrl = "https://api.datadoghq.com", fetch: fetchFn = fetch, apiKeyAuth, appKeyAuth} = options ?? {}

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

if (args.include != null) query.append("include", args.include.join(','))
if (apiKeyAuth !== undefined) headers.set("DD-API-KEY", apiKeyAuth)
if (appKeyAuth !== undefined) headers.set("DD-APPLICATION-KEY", appKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v2/incidents/${encodeURIComponent(String(args.incident_id))}/impacts/${encodeURIComponent(String(args.impact_id))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PATCH", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(incidentImpactResponse, await res.json())
};