import {z} from 'zod'

export type GetApiApiJobsArgs = {category?: string | undefined, remote?: boolean | undefined, country?: string | undefined, q?: string | undefined, company?: string | undefined, from_employer?: boolean | undefined, include_closed?: boolean | undefined, after?: string | undefined, before?: string | undefined, before_id?: string | undefined, limit?: number | undefined};

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

export const jobSalary = z.object({currency: z.string().nullable().optional(), max: z.number().int().nullable().optional(), min: z.number().int().nullable().optional()});

export const job = z.object({apply_url: z.string().optional(), categories: z.array(z.string()), company: z.string(), country: z.string().nullable(), description: z.string().optional(), employment_type: z.enum(["FULL_TIME", "PART_TIME", "CONTRACTOR", "TEMPORARY", "INTERN", "OTHER", "null"]).nullable(), expires_at: z.string(), from_employer: z.boolean(), hybrid: z.boolean(), id: z.string(), location: z.string(), noozra_url: z.string(), posted_at: z.string(), remote: z.boolean(), salary: jobSalary.optional(), source: z.string(), title: z.string(), url: z.string()});

export const jobsResponse = z.object({count: z.number().int(), jobs: z.array(job), next_before: z.string().nullable(), next_before_id: z.string().nullable()});

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
};

/**
 * List job listings
 * 
 * GET /api/jobs
 */
export const getApiApiJobs = async (args: GetApiApiJobsArgs, options?: GetApiApiJobsOptions) => {
const {baseUrl = "https://noozra.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.category != null) query.append("category", String(args.category))
if (args.remote != null) query.append("remote", String(args.remote))
if (args.country != null) query.append("country", String(args.country))
if (args.q != null) query.append("q", String(args.q))
if (args.company != null) query.append("company", String(args.company))
if (args.from_employer != null) query.append("from_employer", String(args.from_employer))
if (args.include_closed != null) query.append("include_closed", String(args.include_closed))
if (args.after != null) query.append("after", String(args.after))
if (args.before != null) query.append("before", String(args.before))
if (args.before_id != null) query.append("before_id", String(args.before_id))
if (args.limit != null) query.append("limit", String(args.limit))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

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