import {z} from 'zod'

export type ColumnMetadata = {is_visible: boolean};

export type UiMetadataColumns = {columns: {[key: string]: ColumnMetadata}, column_order: Array<string>, pinned_columns?: (Array<string> | null) | undefined};

export type WorkspacePreviewRequest = {codes?: (Array<string> | null) | undefined, unique_ids?: (Array<string> | null) | undefined, name?: (string | null) | undefined, institution_types?: (Array<string> | null) | undefined, included_states?: (Array<string> | null) | undefined, excluded_states?: (Array<string> | null) | undefined, included_counties?: (Array<string> | null) | undefined, excluded_counties?: (Array<string> | null) | undefined, included_cities?: (Array<string> | null) | undefined, excluded_cities?: (Array<string> | null) | undefined, min_population?: (number | null) | undefined, max_population?: (number | null) | undefined, keywords?: (Array<string> | null) | undefined, search_query?: (string | null) | undefined, result_limit?: (number | null) | undefined, ui_metadata?: (UiMetadataColumns | null) | undefined, page?: number | undefined, list_id?: (string | null) | undefined, workspace_setup_choice?: (string | null) | undefined};

export type CreateApiApiV3WorkspacesPreviewArgs = {body: WorkspacePreviewRequest};

export type CreateApiApiV3WorkspacesPreviewOptions = {baseUrl: string, HTTPBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const institutionEnum = z.enum(["k12_districts", "cities", "counties", "higher_education", "federal_agencies", "federal_departments", "individual_units", "k12_schools", "police_agencies", "usfa_registry", "state_agencies", "states"]);

export const institution = z.object({unique_id: z.string(), source_id: z.number().int().nullable(), name: z.string().nullable(), state: z.string().nullable(), county: z.string().nullable(), city: z.string().nullable(), street: z.string().nullable(), state_county: z.string().nullable(), state_city: z.string().nullable(), population: z.number().nullable(), source_table: institutionEnum.nullable().optional(), label: z.string().nullable(), is_active: z.boolean().nullable().optional()});

export const previewInstitutionsResponse = z.object({data: z.array(institution), count: z.number().int(), page: z.number().int(), page_size: z.number().int(), total_pages: z.number().int(), should_paginate: z.boolean()});

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
};

/**
 * Preview Institutions
 * 
 * POST /api/v3/workspaces/preview
 */
export const createApiApiV3WorkspacesPreview = async (args: CreateApiApiV3WorkspacesPreviewArgs, options: CreateApiApiV3WorkspacesPreviewOptions) => {
const {baseUrl, fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/v3/workspaces/preview${query.size > 0 ? `?${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(previewInstitutionsResponse, await res.json())
};