import {z} from 'zod'

export type PricingTableRequest = {name: string, data_merge?: boolean | undefined, options?: Record<string, never> | undefined, sections: Array<{title: string, default: boolean, multichoice_enabled?: boolean | undefined, rows?: (Array<{options: {qty_editable?: boolean | undefined, optional_selected?: boolean | undefined, optional?: boolean | undefined}, data: {images?: Array<{src: string}> | undefined, pricing_method?: ('volume_based_price' | 'volume_based_discount_price') | undefined, tiers?: Array<{min_qty: number, value: number}> | undefined} | {[key: string]: unknown}, custom_fields?: Record<string, never> | undefined}>) | undefined}>};

export type TableCell = {text: string, col_span?: (number | null) | undefined, row_span?: (number | null) | undefined};

export type TableRequest = {name: string, data: {sections: Array<{header: Array<TableCell>, rows: Array<Array<TableCell>>}>}};

export type RecipientDeliveryMethods = {email?: boolean | undefined, sms?: boolean | undefined} | null;

export type RecipientRedirect = {is_enabled: boolean, url: string | null};

export type RecipientVerificationPlaceEnum = 'before_open' | 'before_sign';

export type RecipientVerificationSettings = {verification_place?: RecipientVerificationPlaceEnum | undefined, passcode_verification?: ({passcode: string} | null) | undefined, phone_verification?: ({phone_number: string} | null) | undefined, kba_verification?: ({time_limit_sec?: number | undefined, score_threshold?: number | undefined, max_attempts_count?: number | undefined} | null) | undefined, id_verification?: ({enabled?: boolean | undefined} | null) | undefined, email_otp_verification?: ({email: string} | null) | undefined};

export type CreateDocumentRecipient = {role?: (string | null) | undefined, signing_order?: (number | null) | undefined, email?: (string | null) | undefined, phone?: (string | null) | undefined, first_name?: (string | null) | undefined, last_name?: (string | null) | undefined, delivery_methods?: RecipientDeliveryMethods | undefined, redirect?: RecipientRedirect | undefined, type?: 'recipient' | undefined, verification_settings?: RecipientVerificationSettings | undefined};

export type BaseIdentity = {email?: (string | null) | undefined, phone?: (string | null) | undefined, first_name?: (string | null) | undefined, last_name?: (string | null) | undefined};

export type CreateDocumentRecipientGroup = {role?: (string | null) | undefined, signing_order?: (number | null) | undefined, name: string, type: 'recipient_group', members?: Array<BaseIdentity> | undefined};

export type CreateDocumentActor = CreateDocumentRecipient | CreateDocumentRecipientGroup;

export type DocumentCreateByTemplateRequest = {template_uuid: string, fields?: ({[key: string]: {value: boolean | string | number, role?: string | undefined}}) | undefined, images?: (Array<{urls: Array<string>, name: string} | null>) | undefined, pricing_tables?: Array<PricingTableRequest> | undefined, tables?: Array<TableRequest> | undefined, texts?: Array<{name: string, data: string}> | undefined, detect_title_variables?: boolean | undefined, content_placeholders?: (Array<{content_library_items?: (Array<{id: string, fields?: Record<string, never> | undefined, pricing_tables?: Array<PricingTableRequest> | undefined, recipients?: (Array<{email?: (string | null) | undefined, phone?: (string | null) | undefined, delivery_methods?: RecipientDeliveryMethods | undefined, first_name?: string | undefined, last_name?: string | undefined, role?: string | undefined, signing_order?: (number | null) | undefined, redirect?: RecipientRedirect | undefined}>) | undefined}>) | undefined, block_id: string}>) | undefined, name?: string | undefined, folder_uuid?: string | undefined, owner?: ({email?: string | undefined, membership_id?: string | undefined}) | undefined, recipients: Array<CreateDocumentActor>, tokens?: Array<{name: string, value: string}> | undefined, metadata?: (Record<string, never> | null) | undefined, tags?: Array<string> | undefined};

export type DocumentCreateByPdfUrlRequest = {url: string, editable?: boolean | undefined, parse_form_fields?: boolean | undefined, fields?: ({[key: string]: {value: boolean | string | number, role?: string | undefined}}) | undefined, name: string, folder_uuid?: string | undefined, owner?: ({email?: string | undefined, membership_id?: string | undefined}) | undefined, recipients?: Array<CreateDocumentActor> | undefined, tokens?: Array<{name: string, value: string}> | undefined, metadata?: (Record<string, never> | null) | undefined, tags?: Array<string> | undefined};

export type DocumentCreateRequest = DocumentCreateByTemplateRequest | DocumentCreateByPdfUrlRequest;

export type CreateApiPublicV1DocumentsArgs = {editor_ver?: string | undefined, use_form_field_properties?: string | undefined, body: DocumentCreateRequest};

export type CreateApiPublicV1DocumentsOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const documentStatusEnum = z.enum(["document.draft", "document.sent", "document.completed", "document.uploaded", "document.error", "document.viewed", "document.waiting_approval", "document.approved", "document.rejected", "document.waiting_pay", "document.paid", "document.voided", "document.declined", "document.external_review", "document.scheduled"]);

export const documentCreateResponse = z.object({id: z.string().optional(), name: z.string().optional(), status: documentStatusEnum.optional(), date_created: z.string().optional(), date_modified: z.string().optional(), expiration_date: z.string().nullable().optional(), version: z.string().nullable().optional(), uuid: z.string().optional(), links: z.array(z.object({rel: z.string().optional(), href: z.string().optional(), type: z.string().optional()})).optional(), info_message: z.string().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
};

/**
 * Create Document
 * 
 * POST /public/v1/documents
 * 
 * Also accepts auth: oauth2
 */
export const createApiPublicV1Documents = async (args: CreateApiPublicV1DocumentsArgs, options?: CreateApiPublicV1DocumentsOptions) => {
const {baseUrl = "https://api.pandadoc.com", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args.editor_ver != null) query.append("editor_ver", String(args.editor_ver))
if (args.use_form_field_properties != null) query.append("use_form_field_properties", String(args.use_form_field_properties))
if (apiKey !== undefined) headers.set("Authorization", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/public/v1/documents${query.size > 0 ? `?${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(documentCreateResponse, await res.json())
};