import {z} from 'zod'

export type IncidentMemorySearchRequest = {q?: (string | null) | undefined, incident_id?: (string | null) | undefined, fingerprint?: (string | null) | undefined, family_id?: (string | null) | undefined, service?: (string | null) | undefined, source?: (string | null) | undefined, incident_type?: (string | null) | undefined, severity?: (string | null) | undefined, template_id?: (string | null) | undefined, role?: (string | null) | undefined, detected?: (boolean | null) | undefined, limit?: number | undefined};

export type CreateApiV1IncidentMemorySearchArgs = {body: IncidentMemorySearchRequest};

export type CreateApiV1IncidentMemorySearchOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const incidentMemorySummary = z.object({incident_id: z.string(), request_id: z.string().nullable().optional(), endpoint: z.string().nullable().optional(), family_id: z.string().nullable().optional(), fingerprint: z.string(), detected: z.boolean(), type: z.string().nullable().optional(), severity: z.string().nullable().optional(), service: z.string().nullable().optional(), source: z.string().nullable().optional(), start_ts: z.string().nullable().optional(), end_ts: z.string().nullable().optional(), line_count_in: z.number().int().optional(), token_count_in: z.number().int().optional(), token_count_out: z.number().int().optional(), compression_ratio: z.number().nullable().optional(), created_at: z.unknown(), affected_services: z.array(z.string()).optional(), root_cause_hypotheses: z.array(z.record(z.string(), z.unknown())).optional(), evidence_preview: z.array(z.record(z.string(), z.unknown())).optional()});

export const incidentMemorySearchResponse = z.object({incidents: z.array(incidentMemorySummary)});

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
};

/**
 * Incident Memory Search Endpoint
 * 
 * POST /v1/incident-memory/search
 */
export const createApiV1IncidentMemorySearch = async (args: CreateApiV1IncidentMemorySearchArgs, options: CreateApiV1IncidentMemorySearchOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/incident-memory/search${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", 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(incidentMemorySearchResponse, await res.json())
};