import {z} from 'zod'

export type DocumentUpdateRequest = {source_url?: (string | null) | undefined, description?: (string | null) | undefined, author?: (string | null) | undefined, tags?: (Array<string> | null) | undefined, original_date?: (string | null) | undefined, effective_from?: (string | null) | undefined, source_authority?: (string | null) | undefined, pot_id?: (string | null) | undefined};

export type PatchApiDocumentsDocumentIdArgs = {document_id: string, body: DocumentUpdateRequest};

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

export const piiRunSummary = z.object({mode: z.enum(["off", "anonymize", "block"]), provider: z.string(), provider_version: z.string().nullable().optional(), entitlement: z.enum(["premium", "floor"]), facts_scanned: z.number().int().gte(0).optional(), facts_anonymized: z.number().int().gte(0).optional(), facts_blocked: z.number().int().gte(0).optional(), by_type: z.record(z.string(), z.number().int()).optional(), coverage: z.enum(["full", "partial", "none"]).optional(), language: z.string().nullable().optional(), units: z.number().int().gte(0).optional(), free_units: z.number().int().gte(0).optional(), chars: z.number().int().gte(0).optional(), processing_ms: z.number().int().gte(0).optional()});

export const extractionRecord = z.object({pot_id: z.string(), job_id: z.string(), facts_created: z.number().int().gte(0), extracted_at: z.string(), profile_id: z.string().nullable().optional(), profile_version: z.number().int().gte(1).nullable().optional(), pii: piiRunSummary.nullable().optional()});

export const document = z.object({id: z.string(), workspace_id: z.string(), filename: z.string().min(1).max(500), content: z.string().nullable().optional(), content_hash: z.string(), size_bytes: z.number().int().gte(0), type: z.enum(["markdown", "text", "pdf", "html", "docx", "pptx", "xlsx", "image"]).optional(), mime_type: z.string().nullable().optional(), original_s3_key: z.string().nullable().optional(), markdown_s3_key: z.string().nullable().optional(), original_size_bytes: z.number().int().nullable().optional(), stored_bytes: z.number().int().gte(0).nullable().optional(), original_filename: z.string().nullable().optional(), normalized_text_hash: z.string().nullable().optional(), original_sha256: z.string().nullable().optional(), converter: z.string().nullable().optional(), conversion_status: z.enum(["not_required", "pending", "completed", "failed"]).optional(), conversion_error: z.string().nullable().optional(), converted_at: z.string().nullable().optional(), uploaded_by_contributor_id: z.string().nullable().optional(), author: z.string().nullable().optional(), tags: z.array(z.string()).optional(), source_url: z.string().nullable().optional(), description: z.string().nullable().optional(), source_authority: z.string().nullable().optional(), pot_source_authorities: z.record(z.string(), z.string()).optional(), original_date: z.string().nullable().optional(), pot_original_dates: z.record(z.string(), z.string()).optional(), effective_from: z.string().nullable().optional(), created_at: z.string(), updated_at: z.string(), extraction_history: z.array(extractionRecord).optional(), scope_summary: z.record(z.string(), z.number().int()).nullable().optional()});

export const documentSourceTypeJob = z.object({pot_id: z.string(), job_id: z.string()});

export const documentUpdateResponse = z.object({document: document, facts_revalidated: z.number().int().optional(), source_type_jobs: z.array(documentSourceTypeJob).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
};

/**
 * Update document metadata
 * 
 * PATCH /documents/{document_id}
 */
export const patchApiDocumentsDocumentId = async (args: PatchApiDocumentsDocumentIdArgs, options: PatchApiDocumentsDocumentIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/documents/${encodeURIComponent(String(args.document_id))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PATCH", 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(documentUpdateResponse, await res.json())
};