import {z} from 'zod'

export type GetApiV2WorkspaceTemplateTemplateSlugVariantArgs = {workspace: string, template_slug: string, include_content?: boolean | undefined};

export type GetApiV2WorkspaceTemplateTemplateSlugVariantOptions = {baseUrl?: string | undefined, ServiceTokenAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const templateVariant = z.object({$schema: z.string().optional(), channel: z.string().optional(), id: z.string().optional(), tenant_id: z.string().nullable().optional(), locale: z.string().optional(), conditions: z.array(z.object({})).optional(), hash: z.string().optional(), needs_vendor_approval: z.boolean().optional(), sysgen_template_name: z.string().nullable().optional(), approval_status: z.enum(["auto_approved", "pending", "sent_for_approval", "approved", "rejected", "discarded", "upload_failed"]).optional(), discard_comment: z.string().nullable().optional(), approval_at: z.string().nullable().optional(), has_error: z.boolean().optional(), seq_no: z.number().int().optional(), action: z.enum(["added", "updated", "unchanged", "deleted"]).nullable().optional(), created_at: z.string().optional(), content: z.object({}).optional(), vendor_approvals: z.array(z.object({})).optional()});

export const getApiV2WorkspaceTemplateTemplateSlugVariantResponse = z.object({meta: z.object({count: z.number().int().optional(), limit: z.number().int().optional(), offset: z.number().int().optional()}).optional(), results: z.array(templateVariant).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 Variants
 * 
 * GET /v2/{workspace}/template/{template_slug}/variant/
 */
export const getApiV2WorkspaceTemplateTemplateSlugVariant = async (args: GetApiV2WorkspaceTemplateTemplateSlugVariantArgs, options?: GetApiV2WorkspaceTemplateTemplateSlugVariantOptions) => {
const {baseUrl = "https://management-api.suprsend.com", fetch: fetchFn = fetch, ServiceTokenAuth} = options ?? {}

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

if (args.include_content != null) query.append("include_content", String(args.include_content))
if (ServiceTokenAuth !== undefined) headers.set("Authorization", ServiceTokenAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/${encodeURIComponent(String(args.workspace))}/template/${encodeURIComponent(String(args.template_slug))}/variant/${query.size > 0 ? `?${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(getApiV2WorkspaceTemplateTemplateSlugVariantResponse, await res.json())
};