import {z} from 'zod'

export type GetToolsCategoryParameterCategory = 'hris' | 'ats' | 'assessment' | 'lms';

export type GetApiToolsCategoryArgs = {category: GetToolsCategoryParameterCategory};

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

export const getToolsCategoryPositiveResponse = z.object({status: z.literal("success"), data: z.object({tools: z.array(z.object({id: z.string(), label: z.string(), internal_label: z.string().nullable(), assets: z.object({logo_url: z.string(), icon_url: z.string(), icon_black_url: z.string()}), paid_api_details_markdown: z.string().nullable(), fast_track_details_markdown: z.string().nullable(), partner_only_details_markdown: z.string().nullable(), connection_guide_url: z.string().nullable(), coverage: z.object({read_models: z.array(z.object({id: z.string(), label: z.string(), coverage_status: z.enum(["SUPPORTED", "UNSUPPORTED", "NOT_IMPLEMENTED", "UNKNOWN"]), fields: z.array(z.object({id: z.string(), coverage_status: z.enum(["SUPPORTED", "UNSUPPORTED", "NOT_IMPLEMENTED", "UNKNOWN"])}))})), write_actions: z.array(z.object({id: z.string(), label: z.string(), coverage_status: z.enum(["SUPPORTED", "UNSUPPORTED", "NOT_IMPLEMENTED", "UNKNOWN"]), fields: z.array(z.object({id: z.string(), coverage_status: z.enum(["SUPPORTED", "UNSUPPORTED", "NOT_IMPLEMENTED", "UNKNOWN"])}))})), features: z.array(z.object({id: z.string(), label: z.string(), coverage_status: z.enum(["SUPPORTED", "UNSUPPORTED", "NOT_IMPLEMENTED", "UNKNOWN"])}))})}))})});

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
};

/**
 * Get tools
 * 
 * GET /tools/{category}
 */
export const getApiToolsCategory = async (args: GetApiToolsCategoryArgs, options?: GetApiToolsCategoryOptions) => {
const {baseUrl = "https://api.kombo.dev/v1", fetch: fetchFn = fetch, ApiKey} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/tools/${encodeURIComponent(String(args.category))}${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(getToolsCategoryPositiveResponse, await res.json())
};