import {z} from 'zod'

export type GetApiTokenizationTemplatesArgs = {limit?: number | undefined, offset?: number | undefined, pageCursor?: string | undefined, pageSize?: number | undefined, type?: ('FUNGIBLE_TOKEN' | 'NON_FUNGIBLE_TOKEN' | 'TOKEN_UTILITY') | undefined, initializationPhase?: ('ON_DEPLOYMENT' | 'POST_DEPLOYMENT') | undefined};

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

export const auditorData = z.object({name: z.string(), imageURL: z.string(), link: z.string()});

export const contractAttributes = z.object({useCases: z.array(z.string()).optional(), standards: z.array(z.string()).optional(), auditor: auditorData.optional()});

export const vendorDto = z.object({id: z.string(), name: z.string()});

export const leanContractDto = z.object({id: z.string(), name: z.string(), description: z.string(), attributes: contractAttributes.optional(), isPublic: z.boolean(), canDeploy: z.boolean().optional(), owner: z.string().optional(), vendor: vendorDto.optional(), type: z.enum(["FUNGIBLE_TOKEN", "NON_FUNGIBLE_TOKEN", "NON_TOKEN", "TOKEN_EXTENSION", "TOKEN_UTILITY"]).optional()});

export const templatesPaginatedResponse = z.object({data: z.array(leanContractDto), next: z.string().nullable().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
};

/**
 * List all contract templates
 * 
 * GET /tokenization/templates
 */
export const getApiTokenizationTemplates = async (args: GetApiTokenizationTemplatesArgs, options?: GetApiTokenizationTemplatesOptions) => {
const {baseUrl = "https://api.fireblocks.io/v1", fetch: fetchFn = fetch} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.pageCursor != null) query.append("pageCursor", String(args.pageCursor))
if (args.pageSize != null) query.append("pageSize", String(args.pageSize))
if (args.type != null) query.append("type", String(args.type))
if (args.initializationPhase != null) query.append("initializationPhase", String(args.initializationPhase))

const url = `${baseUrl.replace(/\/+$/, '')}/tokenization/templates${query.size > 0 ? `?${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(templatesPaginatedResponse, await res.json())
};