import {z} from 'zod'

export type ExtractCitationsRequest = {text: string, state?: ('al' | 'ak' | 'as' | 'az' | 'ar' | 'ca' | 'co' | 'ct' | 'de' | 'dc' | 'fl' | 'ga' | 'gu' | 'hi' | 'id' | 'il' | 'in' | 'ia' | 'ks' | 'ky' | 'la' | 'me' | 'md' | 'ma' | 'mi' | 'mn' | 'ms' | 'mo' | 'mt' | 'ne' | 'nv' | 'nh' | 'nj' | 'nm' | 'ny' | 'nc' | 'nd' | 'mp' | 'oh' | 'ok' | 'or' | 'pa' | 'pr' | 'ri' | 'sc' | 'sd' | 'tn' | 'tx' | 'ut' | 'vt' | 'vi' | 'va' | 'wa' | 'wv' | 'wi' | 'wy' | null) | undefined, resolve?: boolean | undefined, includeUnresolved?: boolean | undefined};

export type CreateApiApiV1UsStatutesExtractCitationsArgs = {'Idempotency-Key'?: (string | null) | undefined, body: ExtractCitationsRequest};

export type CreateApiApiV1UsStatutesExtractCitationsOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const pinpointLeadIn = z.object({path: z.array(z.string()), label: z.string(), text: z.string()});

export const pinpointChild = z.object({path: z.array(z.string()), label: z.string(), level: z.string(), text: z.string(), inferred: z.boolean().optional()});

export const pinpointSiblings = z.object({previous: z.string().nullable().optional(), next: z.string().nullable().optional()});

export const pinpointStructure = z.object({source: z.enum(["artifact", "request_time"]), quality: z.string().nullable().optional(), builder: z.string().nullable().optional(), textSha256: z.string().nullable().optional()});

export const pinpointResult = z.object({requested: z.string(), path: z.array(z.string()).optional(), label: z.string().nullable().optional(), level: z.string().nullable().optional(), inferred: z.boolean().optional(), matched: z.boolean(), matchLevel: z.enum(["exact", "ancestor", "none"]), text: z.string().nullable().optional(), leadIn: z.array(pinpointLeadIn).optional(), fullText: z.string().nullable().optional(), children: z.array(pinpointChild).optional(), siblings: pinpointSiblings.nullable().optional(), charStart: z.number().int().nullable().optional(), charEnd: z.number().int().nullable().optional(), kind: z.enum(["range", "list"]).nullable().optional(), also: z.array(z.string()).optional(), unmatched: z.array(z.string()).optional(), available: z.array(z.string()).optional(), reason: z.string().nullable().optional(), note: z.string().nullable().optional(), structure: pinpointStructure.nullable().optional()});

export const missReasonCandidate = z.object({state: z.string(), actId: z.string(), citation: z.string().nullable().optional(), subsection: z.string().nullable().optional()});

export const extractedCitationRow = z.object({citation: z.string(), raw: z.string(), type: z.string(), subtype: z.string(), jurisdiction: z.string().nullable().optional(), jurisdictionSource: z.enum(["cite", "court"]).nullable().optional(), pinpoint: z.string().optional(), mentions: z.number().int().optional(), resolved: z.boolean(), actId: z.string().nullable().optional(), subsection: z.string().nullable().optional(), matchLevel: z.enum(["container", "multiple", "repaired", "register_reference"]).nullable().optional(), pinpointMatch: pinpointResult.nullable().optional(), pinpointNote: z.string().nullable().optional(), missReason: z.enum(["not_held", "former_law", "ambiguous_jurisdiction", "malformed", "out_of_scope_corpus", "container_not_supported", "index_warming", "lookup_failed"]).nullable().optional(), candidates: z.array(missReasonCandidate).nullable().optional(), missReasonHint: z.string().nullable().optional(), resolvedWithState: z.string().nullable().optional(), skipped: z.enum(["session_law", "error"]).nullable().optional()});

export const extractCitationsCounts = z.object({found: z.number().int(), resolved: z.number().int(), unresolved: z.number().int(), skipped: z.number().int()});

export const extractCitationsResponse = z.object({citations: z.array(extractedCitationRow).optional(), counts: extractCitationsCounts, truncated: z.boolean().optional(), textChars: z.number().int(), extractorVersion: z.string(), creditsConsumed: z.number().optional(), processingTimeMs: z.number().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
};

/**
 * Find the citations in a text and resolve each
 * 
 * POST /api/v1/us/statutes/extract-citations
 * 
 * Also accepts auth: ApiKeyHeader
 */
export const createApiApiV1UsStatutesExtractCitations = async (args: CreateApiApiV1UsStatutesExtractCitationsArgs, options?: CreateApiApiV1UsStatutesExtractCitationsOptions) => {
const {baseUrl = "https://api.vaquill.ai", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (args['Idempotency-Key'] != null) headers.set("Idempotency-Key", String(args['Idempotency-Key']))
if (ApiKeyAuth !== undefined) headers.set('authorization', `Bearer ${ApiKeyAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/us/statutes/extract-citations${query.size > 0 ? `?${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(extractCitationsResponse, await res.json())
};