import {z} from 'zod'

export type Search = {fields?: (Array<string> | null) | undefined, keyword?: (string | null) | undefined};

export type Filter = {logic?: (string | null) | undefined, filters?: (Array<Filter> | null) | undefined, field?: (string | null) | undefined, operator?: (string | null) | undefined, value: unknown};

export type SearchWorkflowsRequest = {advancedSearch?: Search | undefined, keyword?: (string | null) | undefined, advancedFilter?: Filter | undefined, pageSize?: number | undefined, pageNumber?: number | undefined, orderBy?: (Array<string> | null) | undefined, expiration?: (unknown | null) | undefined};

export type CreateApiApiVVersionWorkflowsSearchArgs = {version: string, 'X-Tenant': string, body: SearchWorkflowsRequest};

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

export const actorVisibilities = z.union([z.literal(0), z.literal(1), z.literal(2), z.literal(4), z.literal(8)]);

export const transitionResponseDto = z.object({id: z.string().optional(), actionName: z.string().nullable().optional(), fromStateId: z.string().optional(), toStateId: z.string().optional()});

export const situationResponseDto = z.object({id: z.string().optional(), name: z.string().nullable().optional(), slug: z.string().nullable().optional(), description: z.string().nullable().optional(), order: z.number().int().optional(), requirements: z.array(z.string()).nullable().optional(), metadataType: z.string().nullable().optional(), metadataConfiguration: z.unknown()});

export const stateResponseDto = z.object({id: z.string().optional(), name: z.string().nullable().optional(), description: z.string().nullable().optional(), ranking: z.number().int().optional(), visibleFor: actorVisibilities.optional(), editableBy: actorVisibilities.optional(), color: z.string().nullable().optional(), requirements: z.array(z.string()).nullable().optional(), transitions: z.array(transitionResponseDto).nullable().optional(), situations: z.array(situationResponseDto).nullable().optional()});

export const workflowResponse = z.object({id: z.string().optional(), name: z.string().nullable().optional(), isDefault: z.boolean().optional(), states: z.array(stateResponseDto).nullable().optional()});

export const pagedListWorkflowResponse = z.object({items: z.array(workflowResponse).nullable().optional(), pageNumber: z.number().int().optional(), pageSize: z.number().int().optional(), totalCount: z.number().int().optional(), totalPages: z.number().int().optional(), hasPrevious: z.boolean().optional(), hasNext: z.boolean().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
};

/**
 * Gets a list of workflows
 * 
 * POST /api/v{version}/workflows/search
 */
export const createApiApiVVersionWorkflowsSearch = async (args: CreateApiApiVVersionWorkflowsSearchArgs, options?: CreateApiApiVVersionWorkflowsSearchOptions) => {
const {baseUrl = "https://api.zrexpress.app", fetch: fetchFn = fetch, bearerAuth, apiKey} = options ?? {}

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

if (args['X-Tenant'] != null) headers.set("X-Tenant", String(args['X-Tenant']))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)
if (apiKey !== undefined) headers.set("X-Api-Key", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v${encodeURIComponent(String(args.version))}/workflows/search${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(pagedListWorkflowResponse, await res.json())
};