import {z} from 'zod'

export type GetApiSnapshotsSnapshotIdHealthRefactoringPlansArgs = {snapshot_id: string, type?: (string | null) | undefined, min_confidence?: (string | null) | undefined};

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

export const refactoringTypeCount = z.object({type: z.string(), count: z.number().int()});

export const refactoringSummary = z.object({total: z.number().int(), by_type: z.array(refactoringTypeCount).optional(), files_total: z.number().int().nullable().optional(), structural_total: z.number().int().nullable().optional(), performance_total: z.number().int().nullable().optional(), small_effort_total: z.number().int().nullable().optional(), health_recovery_total: z.number().int().nullable().optional(), negligible_health_total: z.number().int().nullable().optional(), best_health_gain: z.number().nullable().optional()});

export const refactoringPlan = z.object({id: z.string(), refactoring_type: z.string(), file_path: z.string(), target_symbol: z.string(), line_start: z.number().int().nullable().optional(), line_end: z.number().int().nullable().optional(), plan: z.record(z.string(), z.unknown()).optional(), evidence: z.record(z.string(), z.unknown()).optional(), impact_delta: z.number().optional(), effort_bucket: z.string().optional(), blast_radius: z.record(z.string(), z.unknown()).optional(), confidence: z.string().optional(), source_biomarker: z.string().optional(), rank_score: z.number().optional(), dependents: z.number().int().optional(), file_nloc: z.number().int().optional(), benefit: z.number().optional(), leverage: z.number().optional(), cost: z.number().optional(), risk: z.number().optional(), file_weighted_deficit: z.number().int().optional(), validation: z.record(z.string(), z.unknown()).optional()});

export const refactoringPlansResponse = z.object({summary: refactoringSummary.optional(), plans: z.array(refactoringPlan).optional(), state: z.string().optional(), reason: 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
};

/**
 * Refactoring Plans
 * 
 * GET /snapshots/{snapshot_id}/health/refactoring-plans
 */
export const getApiSnapshotsSnapshotIdHealthRefactoringPlans = async (args: GetApiSnapshotsSnapshotIdHealthRefactoringPlansArgs, options: GetApiSnapshotsSnapshotIdHealthRefactoringPlansOptions) => {
const {baseUrl, fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

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

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