import {z} from 'zod'

export type ConditionalSplitStepParametersUpdate = {conditional_split_step?: ({condition?: ({filter_id?: string | undefined}) | undefined, branches?: (Array<{page_id?: number | undefined, page_ids?: Array<number> | undefined}>) | undefined}) | undefined};

export type PatchApiFunnelsFunnelIdConditionalSplitStepsIdArgs = {funnel_id: string, id: string, body: ConditionalSplitStepParametersUpdate};

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

export const filterResults = z.object({fields: z.array(z.string()).optional(), rows: z.array(z.array(z.unknown())).optional(), count: z.number().int().optional(), count_capped_at: z.number().int().optional(), count_unavailable_reason: z.string().optional(), truncated: z.boolean().optional(), stop_reason: z.enum(["time_budget", "row_limit", "byte_budget", "record_exceeds_budget"]).optional(), bytes: z.number().int().optional(), bytes_per_record: z.number().int().optional(), max_bytes: z.number().int().optional(), suggested_max_bytes: z.number().int().optional(), next_after: z.string().optional(), guidance: z.string().optional()});

export const refineFilterCriterion = z.object({attribute: z.string().optional(), clause: z.string().optional(), value: z.union([z.string(), z.array(z.string()), z.object({days: z.union([z.string(), z.number().int()]).optional(), modifier: z.enum(["ago", "from_now"]).optional()})]).nullable().optional(), date_refinement: z.object({clause: z.string().optional(), value: z.union([z.string(), z.array(z.string()), z.object({days: z.union([z.string(), z.number().int()]).optional(), modifier: z.enum(["ago", "from_now"]).optional()})]).nullable().optional()}).optional()});

export const refineFilterAttributes = z.object({id: z.number().int().optional(), public_id: z.string().optional(), workspace_id: z.number().int().optional(), name: z.string().nullable().optional(), filter_class: z.string().nullable().optional(), conjunction: z.enum(["and", "or"]).optional(), results: filterResults.optional(), criteria: z.array(refineFilterCriterion).optional(), mixed_conjunctions: z.boolean().optional(), created_at: z.string().optional(), updated_at: z.string().optional()});

export const conditionalSplitStepAttributes = z.object({id: z.number().int().optional(), public_id: z.string().optional(), funnel_id: z.number().int().optional(), funnel_public_id: z.string().optional(), condition: z.object({filter_id: z.string().nullable().optional(), is_setup: z.boolean().optional(), filter: refineFilterAttributes.nullable().optional()}).optional(), branches: z.array(z.object({show_page_step: z.object({id: z.number().int().optional(), public_id: z.string().optional(), name: z.string().optional(), current_path: z.string().optional()}).nullable().optional(), page: z.object({id: z.number().int().optional(), public_id: z.string().optional(), name: z.string().optional()}).nullable().optional()})).optional(), created_at: z.string().optional(), updated_at: 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
};

/**
 * Update Conditional Split Step
 * 
 * PATCH /funnels/{funnel_id}/conditional_split_steps/{id}
 * 
 * Also accepts auth: OAuth2
 */
export const patchApiFunnelsFunnelIdConditionalSplitStepsId = async (args: PatchApiFunnelsFunnelIdConditionalSplitStepsIdArgs, options?: PatchApiFunnelsFunnelIdConditionalSplitStepsIdOptions) => {
const {baseUrl = "https://myworkspace.myclickfunnels.com/api/v2", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/funnels/${encodeURIComponent(String(args.funnel_id))}/conditional_split_steps/${encodeURIComponent(String(args.id))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PATCH", 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(conditionalSplitStepAttributes, await res.json())
};