import {z} from 'zod'

export type WorkflowSearcherForm = {keywords?: string | undefined, assignedTo?: string | undefined, daysOld?: number | undefined, schemeId?: string | undefined, stepId?: string | undefined, open?: boolean | undefined, closed?: boolean | undefined, createdBy?: string | undefined, show4all?: boolean | undefined, orderBy?: string | undefined, count?: number | undefined, page?: number | undefined};

export type CreateApiApiV1WorkflowTasksArgs = {body: WorkflowSearcherForm};

export type CreateApiApiV1WorkflowTasksOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const errorEntity = z.object({errorCode: z.string().optional(), message: z.string().optional(), fieldName: z.string().optional()});

export const workflowTaskView = z.object({id: z.string().optional(), assignedTo: z.string().optional(), assignedUserName: z.string().optional(), createdBy: z.string().optional(), description: z.string().optional(), belongsTo: z.string().optional(), creationDate: z.string().optional(), dueDate: z.string().optional(), languageId: z.number().int().optional(), modDate: z.string().optional(), title: z.string().optional(), status: z.string().optional()});

export const workflowSearchResultsView = z.object({totalCount: z.number().int().optional(), workflowTasks: z.array(workflowTaskView).optional()});

export const messageEntity = z.object({message: z.string().optional()});

export const pagination = z.object({currentPage: z.number().int().optional(), perPage: z.number().int().optional(), totalEntries: z.number().int().optional()});

export const responseEntityWorkflowTasksView = z.object({errors: z.array(errorEntity).optional(), entity: workflowSearchResultsView.optional(), messages: z.array(messageEntity).optional(), i18nMessagesMap: z.record(z.string(), z.string()).optional(), permissions: z.array(z.string()).optional(), pagination: pagination.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
};

/**
 * Find workflow tasks based on filter parameters
 * 
 * POST /api/v1/workflow/tasks
 */
export const createApiApiV1WorkflowTasks = async (args: CreateApiApiV1WorkflowTasksArgs, options: CreateApiApiV1WorkflowTasksOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/workflow/tasks${query.size > 0 ? `?${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(responseEntityWorkflowTasksView, await res.json())
};