import {z} from 'zod'

export type CreateApiLinkedinSearchJobPostingsArgs = {body: {keywords?: string | undefined, location?: string | undefined, date_posted?: ('Any time' | 'Past 24 hours' | 'Past Week' | 'Past Month') | undefined, salary?: ('$40,000+' | '$60,000+' | '$80,000+' | '$100,000+' | '$120,000+' | '$140,000+' | '$160,000+' | '$180,000+' | '$200,000+') | undefined, job_type?: ('Contract' | 'Full-time' | 'Part-time' | 'Internship') | undefined, work_type?: ('On-site' | 'Remote' | 'Hybrid') | undefined, experience_level?: ('Associate' | 'Director' | 'Entry Level' | 'Executive' | 'Internship' | 'Mid-Senior Level') | undefined, company_uids?: Array<string> | undefined, sort_by?: ('Most Recent' | 'Most Relevant') | undefined, page?: number | undefined}};

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

export const createApiLinkedinSearchJobPostingsResponse = z.object({job_postings: z.array(z.object({url: z.string().optional(), title: z.string().optional(), location: z.string().optional(), date_posted: z.string().optional(), company_name: z.string().optional(), company_url: z.string().optional()})).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
};

/**
 * Search for LinkedIn job postings
 * 
 * POST /linkedin/search-job-postings
 */
export const createApiLinkedinSearchJobPostings = async (args: CreateApiLinkedinSearchJobPostingsArgs, options?: CreateApiLinkedinSearchJobPostingsOptions) => {
const {baseUrl = "https://api.exfunc.dev", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (apiKey !== undefined) headers.set("x-api-key", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/linkedin/search-job-postings${query.size > 0 ? `?${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(createApiLinkedinSearchJobPostingsResponse, await res.json())
};