import {z} from 'zod'

export type SigningMetadata = {id?: string | undefined, slug?: string | undefined, value?: ({[key: string]: unknown} | string | number | boolean | Array<Record<string, never> | string | number | boolean>) | undefined, namespace?: string | undefined, format?: ('TEXT' | 'NUMBER' | 'DATE' | 'BOOLEAN' | 'FILE' | 'TEXTAREA' | 'SINGLE_SELECT' | 'MULTIPLE_SELECT' | 'MEASUREMENT' | 'PRICE' | 'YES_NO' | 'CURRENCY' | 'URL') | undefined, extra_data?: ({[key: string]: unknown} | string | number | boolean | Array<Record<string, never> | string | number | boolean>) | undefined};

export type PropertySigningSignatoryMetadata = Array<SigningMetadata>;

export type SigningSignatory = {id?: string | undefined, created_at?: string | undefined, updated_at?: string | undefined, document_id?: string | undefined, name?: string | undefined, email?: string | undefined, role?: ('SIGNER' | 'CC' | 'APPROVER' | 'IN_PERSON_SIGNER' | 'VIEWER') | undefined, status?: ('PENDING' | 'SENT' | 'DELIVERED' | 'SIGNED' | 'DECLINED' | 'ERROR') | undefined, order?: number | undefined, signed_at?: string | undefined, decline_reason?: string | undefined, raw?: {[key: string]: unknown} | undefined, metadata?: PropertySigningSignatoryMetadata | undefined};

export type CreateApiSigningConnectionIdSignatoryArgs = {fields?: (Array<'id' | 'created_at' | 'updated_at' | 'document_id' | 'name' | 'email' | 'role' | 'status' | 'order' | 'signed_at' | 'decline_reason' | 'raw' | 'metadata'>) | undefined, raw?: string | undefined, connection_id: string, body: SigningSignatory};

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

export const signingMetadata = z.object({id: z.string().optional(), slug: z.string().optional(), value: z.union([z.record(z.string(), z.unknown()), z.string(), z.number(), z.boolean(), z.array(z.union([z.object({}), z.string(), z.number(), z.boolean()]))]).optional(), namespace: z.string().optional(), format: z.enum(["TEXT", "NUMBER", "DATE", "BOOLEAN", "FILE", "TEXTAREA", "SINGLE_SELECT", "MULTIPLE_SELECT", "MEASUREMENT", "PRICE", "YES_NO", "CURRENCY", "URL"]).optional(), extra_data: z.union([z.record(z.string(), z.unknown()), z.string(), z.number(), z.boolean(), z.array(z.union([z.object({}), z.string(), z.number(), z.boolean()]))]).optional()});

export const propertySigningSignatoryMetadata = z.array(signingMetadata);

export const signingSignatory = z.object({id: z.string().optional(), created_at: z.string().optional(), updated_at: z.string().optional(), document_id: z.string().optional(), name: z.string().optional(), email: z.string().optional(), role: z.enum(["SIGNER", "CC", "APPROVER", "IN_PERSON_SIGNER", "VIEWER"]).optional(), status: z.enum(["PENDING", "SENT", "DELIVERED", "SIGNED", "DECLINED", "ERROR"]).optional(), order: z.number().optional(), signed_at: z.string().optional(), decline_reason: z.string().optional(), raw: z.record(z.string(), z.unknown()).optional(), metadata: propertySigningSignatoryMetadata.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 a signatory
 * 
 * POST /signing/{connection_id}/signatory
 */
export const createApiSigningConnectionIdSignatory = async (args: CreateApiSigningConnectionIdSignatoryArgs, options?: CreateApiSigningConnectionIdSignatoryOptions) => {
const {baseUrl = "https://api.unified.to", fetch: fetchFn = fetch, jwt} = options ?? {}

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

for (const item of args.fields ?? []) query.append("fields", String(item))
if (args.raw != null) query.append("raw", String(args.raw))
if (jwt !== undefined) headers.set("authorization", jwt)

const url = `${baseUrl.replace(/\/+$/, '')}/signing/${encodeURIComponent(String(args.connection_id))}/signatory${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(signingSignatory, await res.json())
};