import {z} from 'zod'

export type GetApiDocumentsV2ParseParseIdArgs = {parse_id: string, with_options?: boolean | undefined};

export type GetApiDocumentsV2ParseParseIdOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const parseStatus = z.enum(["pending", "processing", "successful", "failure"]);

export const pageFragmentType = z.enum(["section_header", "title", "text", "table", "figure", "formula", "form", "key_value_region", "document_index", "list_item", "table_caption", "figure_caption", "formula_caption", "page_footer", "page_header", "page_number", "signature", "strikethrough"]);

export const pageFragmentTableCell = z.object({text: z.string(), bounding_box: z.record(z.string(), z.number())});

export const pageFragmentTable = z.object({content: z.string(), summary: z.string().nullable().optional(), cells: z.array(pageFragmentTableCell), html: z.string().nullable().optional(), markdown: z.string().nullable().optional()});

export const pageFragmentFigure = z.object({content: z.string(), summary: z.string().nullable().optional()});

export const pageFragmentListItem = z.object({content: z.string()});

export const pageFragmentSignature = z.object({content: z.string()});

export const pageFragmentTypeContent = z.union([z.string(), pageFragmentTable, pageFragmentFigure, pageFragmentListItem, pageFragmentSignature]);

export const pageFragment = z.object({fragment_type: pageFragmentType, content: pageFragmentTypeContent, reading_order: z.number().int().nullable().optional(), bbox: z.record(z.string(), z.number()).nullable().optional()});

export const page = z.object({page_number: z.number().int().gte(0), page_fragments: z.array(pageFragment).nullable().optional(), dimensions: z.array(z.number().int()).nullable().optional()});

export const chunk = z.object({content: z.string(), page_number: z.number().int().gte(0)});

export const oneOrManyUsize = z.union([z.number().int().gte(0), z.array(z.number().int().gte(0))]);

export const structuredData = z.object({data: z.unknown(), page_numbers: oneOrManyUsize, schema_name: z.string().nullable().optional()});

export const mergeTableActions = z.object({pages: z.array(z.number().int()), target_columns: z.number().int().nullable().optional()});

export const mergedTable = z.object({merged_table_id: z.string(), merged_table_html: z.string(), start_page: z.number().int(), end_page: z.number().int(), pages_merged: z.number().int(), summary: z.string().nullable().optional(), merge_actions: mergeTableActions});

export const pageClass = z.object({page_class: z.string(), page_numbers: z.array(z.number().int())});

export const parseResult = z.object({parse_id: z.string().optional(), dataset_id: z.string().nullable().optional(), parsed_pages_count: z.number().int().gte(0).optional(), status: parseStatus.optional(), error: z.string().nullable().optional(), pages: z.array(page).nullable().optional(), chunks: z.array(chunk).optional(), structured_data: z.array(structuredData).nullable().optional(), merged_tables: z.array(mergedTable).optional(), page_classes: z.array(pageClass).nullable().optional(), created_at: z.string().optional(), finished_at: z.string().nullable().optional(), labels: z.record(z.string(), z.unknown()).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 /documents/v2/parse/{parse_id}
 */
export const getApiDocumentsV2ParseParseId = async (args: GetApiDocumentsV2ParseParseIdArgs, options?: GetApiDocumentsV2ParseParseIdOptions) => {
const {baseUrl = "https://api.tensorlake.ai", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/documents/v2/parse/${encodeURIComponent(String(args.parse_id))}${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(parseResult, await res.json())
};