import {z} from 'zod'

export type GetApiSnapshotsSnapshotIdOwnersOwnerKeyArgs = {snapshot_id: string, owner_key: string};

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

export const ownerModuleRollup = z.object({module_path: z.string(), file_count: z.number().int(), hotspot_count: z.number().int(), dominant_pct: z.number()});

export const ownerFileEntry = z.object({file_path: z.string(), commit_count_90d: z.number().int(), churn_percentile: z.number(), bus_factor: z.number().int(), is_hotspot: z.boolean(), last_commit_at: z.string().nullable(), primary_owner_commit_pct: z.number().nullable()});

export const ownerCoAuthor = z.object({name: z.string(), email: z.string().nullable(), shared_files: z.number().int(), co_change_strength: z.number()});

export const ownerAgentCollab = z.object({files_with_agent_commits: z.number().int(), agent_commit_count: z.number().int(), agent_share_pct: z.number().nullable(), tier_counts: z.record(z.string(), z.unknown()).optional()});

export const ownerProfileResponse = z.object({key: z.string(), name: z.string(), email: z.string().nullable(), files_owned: z.number().int(), hotspots_owned: z.number().int(), silo_modules: z.number().int(), dead_code_files_owned: z.number().int(), dead_code_lines_owned: z.number().int(), commit_count_90d: z.number().int().nullable(), last_commit_at: z.string().nullable(), first_commit_at: z.string().nullable(), bus_factor_risk_files: z.number().int(), lines_added_90d_est: z.number().int(), lines_deleted_90d_est: z.number().int(), modules: z.array(ownerModuleRollup), top_files: z.array(ownerFileEntry), files_touched_total: z.number().int().optional(), co_authors: z.array(ownerCoAuthor), co_authors_total: z.number().int().optional(), commit_categories: z.record(z.string(), z.unknown()), agent_collab: ownerAgentCollab.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
};

/**
 * Get Owner
 * 
 * GET /snapshots/{snapshot_id}/owners/{owner_key}
 */
export const getApiSnapshotsSnapshotIdOwnersOwnerKey = async (args: GetApiSnapshotsSnapshotIdOwnersOwnerKeyArgs, options: GetApiSnapshotsSnapshotIdOwnersOwnerKeyOptions) => {
const {baseUrl, fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

if (HTTPBearer !== undefined) headers.set('authorization', `Bearer ${HTTPBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/snapshots/${encodeURIComponent(String(args.snapshot_id))}/owners/${encodeURIComponent(String(args.owner_key))}${query.size > 0 ? `?${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(ownerProfileResponse, await res.json())
};