import {z} from 'zod'

export type GetApiSnapshotsSnapshotIdModulesHealthArgs = {snapshot_id: string, sort?: string | undefined, limit?: number | undefined, offset?: number | undefined};

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

export const moduleHealthSummary = z.object({module_path: z.string(), file_count: z.number().int(), symbol_count: z.number().int(), hotspot_count: z.number().int(), dead_code_count: z.number().int(), dead_code_lines: z.number().int(), avg_churn_percentile: z.number(), median_bus_factor: z.number(), min_bus_factor: z.number().int(), primary_owner: z.string().nullable(), primary_owner_pct: z.number(), is_silo: z.boolean(), decision_count: z.number().int(), doc_coverage_pct: z.number(), health_score: z.number()});

export const paginatedModuleHealthSummary = z.object({items: z.array(moduleHealthSummary), total: z.number().int(), has_more: z.boolean(), next_offset: z.number().int().nullable().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
};

/**
 * List Module Health
 * 
 * GET /snapshots/{snapshot_id}/modules/health
 */
export const getApiSnapshotsSnapshotIdModulesHealth = async (args: GetApiSnapshotsSnapshotIdModulesHealthArgs, options: GetApiSnapshotsSnapshotIdModulesHealthOptions) => {
const {baseUrl, fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

if (args.sort != null) query.append("sort", String(args.sort))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (HTTPBearer !== undefined) headers.set('authorization', `Bearer ${HTTPBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/snapshots/${encodeURIComponent(String(args.snapshot_id))}/modules/health${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(paginatedModuleHealthSummary, await res.json())
};