import {z} from 'zod'

export type GetApiSnapshotsSnapshotIdCommitsShaArgs = {snapshot_id: string, sha: string};

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

export const riskDriverEntry = z.object({feature: z.string(), value: z.number().nullable().optional(), contribution: z.number(), label: z.string()});

export const commitFileEntry = z.object({path: z.string(), lines_added: z.number().int().optional(), lines_deleted: z.number().int().optional(), prior_fixes: z.number().int().nullable().optional()});

export const commitHealthFindingEntry = z.object({change_kind: z.string(), dimension: z.string(), biomarker_type: z.string(), severity: z.string(), severity_before: z.string().nullable().optional(), path: z.string(), symbol: z.string().nullable().optional(), line_start: z.number().int().nullable().optional(), line_end: z.number().int().nullable().optional(), attribution_basis: z.string(), reason: z.string().optional()});

export const commitHealthEntry = z.object({status: z.string().optional(), introduced_count: z.number().int().optional(), worsened_count: z.number().int().optional(), resolved_count: z.number().int().optional(), files_analyzed: z.number().int().optional(), files_skipped: z.number().int().optional(), findings: z.array(commitHealthFindingEntry).optional()});

export const commitDetailEntry = z.object({sha: z.string(), short_sha: z.string(), author_name: z.string().optional(), author_email: z.string().optional(), committed_at: z.string().nullable().optional(), subject: z.string().optional(), lines_added: z.number().int().optional(), lines_deleted: z.number().int().optional(), files_changed: z.number().int().optional(), dirs_changed: z.number().int().optional(), subsystems_changed: z.number().int().optional(), entropy: z.number().optional(), is_fix: z.boolean().optional(), change_risk_score: z.number().nullable().optional(), change_risk_level: z.string().nullable().optional(), risk_percentile: z.number().optional(), review_priority: z.enum(["low", "moderate", "high"]).optional(), top_driver: z.string().nullable().optional(), author_experience: z.number().int().nullable().optional(), author_commit_count: z.number().int().nullable().optional(), agent_name: z.string().nullable().optional(), agent_autonomy_tier: z.number().int().nullable().optional(), agent_confidence: z.string().nullable().optional(), drivers: z.array(riskDriverEntry).optional(), files: z.array(commitFileEntry).optional(), health: commitHealthEntry.nullable().optional(), agent_channel: z.string().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 Commit
 * 
 * GET /snapshots/{snapshot_id}/commits/{sha}
 */
export const getApiSnapshotsSnapshotIdCommitsSha = async (args: GetApiSnapshotsSnapshotIdCommitsShaArgs, options: GetApiSnapshotsSnapshotIdCommitsShaOptions) => {
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/${encodeURIComponent(String(args.snapshot_id))}/commits/${encodeURIComponent(String(args.sha))}${query.size > 0 ? `?${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(commitDetailEntry, await res.json())
};