import {z} from 'zod'

export type GetApiApiV2IncidentsConfigRulesRuleIdArgs = {rule_id: string};

export type GetApiApiV2IncidentsConfigRulesRuleIdOptions = {baseUrl?: string | undefined, apiKeyAuth?: string | undefined, appKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const incidentRuleQueryCondition = z.object({normalized_query: z.string().nullable().optional(), raw_query: z.string().nullable().optional()});

export const incidentRuleCondition = z.object({field: z.string(), values: z.array(z.string())});

export const incidentRuleDataAttributesResponse = z.object({condition: incidentRuleQueryCondition.optional(), condition_table_type: z.number().int().optional(), conditions: z.array(incidentRuleCondition).optional(), created: z.string().optional(), created_by_uuid: z.string().optional(), deleted: z.string().nullable().optional(), enabled: z.boolean().optional(), execution_type: z.number().int().optional(), incident_settings_association_uuid: z.string().nullable().optional(), match_any_condition: z.boolean().optional(), modified: z.string().optional(), modified_by_uuid: z.string().optional(), org_id: z.number().int().optional(), task_id: z.string().nullable().optional(), task_payload: z.string().nullable().optional(), trigger: z.string().optional()});

export const incidentRuleResponseType = z.literal("incidents_rules");

export const incidentRuleDataResponse = z.object({attributes: incidentRuleDataAttributesResponse, id: z.string(), type: incidentRuleResponseType});

export const incidentRuleResponse = z.object({data: incidentRuleDataResponse});

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 an incident rule
 * 
 * GET /api/v2/incidents/config/rules/{rule_id}
 * 
 * Also accepts auth: AuthZ
 */
export const getApiApiV2IncidentsConfigRulesRuleId = async (args: GetApiApiV2IncidentsConfigRulesRuleIdArgs, options?: GetApiApiV2IncidentsConfigRulesRuleIdOptions) => {
const {baseUrl = "https://api.datadoghq.com", fetch: fetchFn = fetch, apiKeyAuth, appKeyAuth} = options ?? {}

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

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/config/rules/${encodeURIComponent(String(args.rule_id))}${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(incidentRuleResponse, await res.json())
};